ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d

General
Target

ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe

Filesize

851KB

Completed

20-10-2021 14:34

Score
10/10
MD5

a8e7d4fa0654318f38d94f7bdb3b2636

SHA1

3eb6adfb1a82a454460df843e36b6d0f42de6add

SHA256

ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d

Malware Config

Extracted

Family vidar
Version 41.5
Botnet 517
C2

https://mas.to/@xeroxxx

Attributes
profile_id
517

Extracted

Family djvu
C2

http://rlrz.org/fhsgtsspen6

Signatures 28

Filter: none

Collection
Credential Access
Defense Evasion
Discovery
Persistence
  • Detected Djvu ransomware

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/3724-116-0x0000000000400000-0x0000000000537000-memory.dmpfamily_djvu
    behavioral1/memory/3724-117-0x0000000000424141-mapping.dmpfamily_djvu
    behavioral1/memory/2056-118-0x00000000030E0000-0x00000000031FB000-memory.dmpfamily_djvu
    behavioral1/memory/3724-119-0x0000000000400000-0x0000000000537000-memory.dmpfamily_djvu
    behavioral1/memory/4040-125-0x0000000000424141-mapping.dmpfamily_djvu
    behavioral1/memory/4040-130-0x0000000000400000-0x0000000000537000-memory.dmpfamily_djvu
  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Description

    suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Tags

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    Description

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    Tags

  • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Description

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Tags

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    Description

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    Tags

  • Vidar Stealer

    Tags

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/3500-146-0x00000000004A18CD-mapping.dmpfamily_vidar
    behavioral1/memory/3500-145-0x0000000000400000-0x00000000004D9000-memory.dmpfamily_vidar
    behavioral1/memory/1196-148-0x0000000004CD0000-0x0000000004DA6000-memory.dmpfamily_vidar
    behavioral1/memory/3500-149-0x0000000000400000-0x00000000004D9000-memory.dmpfamily_vidar
  • Downloads MZ/PE file
  • Executes dropped EXE
    build2.exebuild3.exebuild3.exebuild2.exemstsca.exemstsca.exe

    Reported IOCs

    pidprocess
    1196build2.exe
    2724build3.exe
    1268build3.exe
    3500build2.exe
    3852mstsca.exe
    3452mstsca.exe
  • Loads dropped DLL
    build2.exe

    Reported IOCs

    pidprocess
    3500build2.exe
    3500build2.exe
  • Modifies file permissions
    icacls.exe

    Tags

    TTPs

    File Permissions Modification

    Reported IOCs

    pidprocess
    532icacls.exe
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application
    ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe

    TTPs

    Registry Run Keys / Startup FolderModify Registry

    Reported IOCs

    descriptioniocprocess
    Set value (str)\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8a5ce04d-9c85-451e-b823-ab77a5f74b23\\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe\" --AutoStart"ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Looks up external IP address via web service

    Description

    Uses a legitimate IP lookup service to find the infected system's external IP.

    Reported IOCs

    flowioc
    8api.2ip.ua
    9api.2ip.ua
    18api.2ip.ua
  • Suspicious use of SetThreadContext
    ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild3.exebuild2.exemstsca.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 2056 set thread context of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 set thread context of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2724 set thread context of 12682724build3.exebuild3.exe
    PID 1196 set thread context of 35001196build2.exebuild2.exe
    PID 3852 set thread context of 34523852mstsca.exemstsca.exe
  • Enumerates physical storage devices

    Description

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    TTPs

    System Information Discovery
  • Checks processor information in registry
    build2.exe

    Description

    Processor information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0build2.exe
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameStringbuild2.exe
  • Creates scheduled task(s)
    schtasks.exeschtasks.exe

    Description

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    TTPs

    Scheduled Task

    Reported IOCs

    pidprocess
    448schtasks.exe
    988schtasks.exe
  • Delays execution with timeout.exe
    timeout.exe

    Tags

    Reported IOCs

    pidprocess
    2080timeout.exe
  • Kills process with taskkill
    taskkill.exe

    Tags

    Reported IOCs

    pidprocess
    1292taskkill.exe
  • Modifies system certificate store
    ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe

    TTPs

    Install Root CertificateModify Registry

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 5c000000010000000400000000080000090000000100000054000000305206082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050507030606082b0601050507030706082b0601050507030106082b0601050507030853000000010000004300000030413022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0620000000100000020000000d7a7a0fb5d7e2731d771e9484ebcdef71d5f0c3e0a2948782bc83ee0ea699ef40b000000010000001c0000005300650063007400690067006f002000280041004100410029000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986eab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
  • Suspicious behavior: EnumeratesProcesses
    ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild2.exe

    Reported IOCs

    pidprocess
    3724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    3724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    4040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    4040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    3500build2.exe
    3500build2.exe
    3500build2.exe
    3500build2.exe
    3500build2.exe
    3500build2.exe
    3500build2.exe
    3500build2.exe
  • Suspicious use of AdjustPrivilegeToken
    taskkill.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege1292taskkill.exe
  • Suspicious use of WriteProcessMemory
    ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild3.exebuild3.exebuild2.exebuild2.execmd.exemstsca.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 2056 wrote to memory of 37242056ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 3724 wrote to memory of 5323724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeicacls.exe
    PID 3724 wrote to memory of 5323724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeicacls.exe
    PID 3724 wrote to memory of 5323724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeicacls.exe
    PID 3724 wrote to memory of 3883724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 3724 wrote to memory of 3883724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 3724 wrote to memory of 3883724ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 388 wrote to memory of 4040388ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exeab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    PID 4040 wrote to memory of 11964040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild2.exe
    PID 4040 wrote to memory of 11964040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild2.exe
    PID 4040 wrote to memory of 11964040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild2.exe
    PID 4040 wrote to memory of 27244040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild3.exe
    PID 4040 wrote to memory of 27244040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild3.exe
    PID 4040 wrote to memory of 27244040ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 2724 wrote to memory of 12682724build3.exebuild3.exe
    PID 1268 wrote to memory of 4481268build3.exeschtasks.exe
    PID 1268 wrote to memory of 4481268build3.exeschtasks.exe
    PID 1268 wrote to memory of 4481268build3.exeschtasks.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 1196 wrote to memory of 35001196build2.exebuild2.exe
    PID 3500 wrote to memory of 4283500build2.execmd.exe
    PID 3500 wrote to memory of 4283500build2.execmd.exe
    PID 3500 wrote to memory of 4283500build2.execmd.exe
    PID 428 wrote to memory of 1292428cmd.exetaskkill.exe
    PID 428 wrote to memory of 1292428cmd.exetaskkill.exe
    PID 428 wrote to memory of 1292428cmd.exetaskkill.exe
    PID 428 wrote to memory of 2080428cmd.exetimeout.exe
    PID 428 wrote to memory of 2080428cmd.exetimeout.exe
    PID 428 wrote to memory of 2080428cmd.exetimeout.exe
    PID 3852 wrote to memory of 34523852mstsca.exemstsca.exe
    PID 3852 wrote to memory of 34523852mstsca.exemstsca.exe
    PID 3852 wrote to memory of 34523852mstsca.exemstsca.exe
Processes 16
  • C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
    "C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe"
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
      "C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe"
      Adds Run key to start application
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3724
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\8a5ce04d-9c85-451e-b823-ab77a5f74b23" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        Modifies file permissions
        PID:532
      • C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
        "C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe" --Admin IsNotAutoStart IsNotTask
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        PID:388
        • C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe
          "C:\Users\Admin\AppData\Local\Temp\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe" --Admin IsNotAutoStart IsNotTask
          Suspicious behavior: EnumeratesProcesses
          Suspicious use of WriteProcessMemory
          PID:4040
          • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe
            "C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe"
            Executes dropped EXE
            Suspicious use of SetThreadContext
            Suspicious use of WriteProcessMemory
            PID:1196
            • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe
              "C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe"
              Executes dropped EXE
              Loads dropped DLL
              Checks processor information in registry
              Suspicious behavior: EnumeratesProcesses
              Suspicious use of WriteProcessMemory
              PID:3500
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe" & del C:\ProgramData\*.dll & exit
                Suspicious use of WriteProcessMemory
                PID:428
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /im build2.exe /f
                  Kills process with taskkill
                  Suspicious use of AdjustPrivilegeToken
                  PID:1292
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  Delays execution with timeout.exe
                  PID:2080
          • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build3.exe
            "C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build3.exe"
            Executes dropped EXE
            Suspicious use of SetThreadContext
            Suspicious use of WriteProcessMemory
            PID:2724
            • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build3.exe
              "C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build3.exe"
              Executes dropped EXE
              Suspicious use of WriteProcessMemory
              PID:1268
              • C:\Windows\SysWOW64\schtasks.exe
                /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
                Creates scheduled task(s)
                PID:448
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    Executes dropped EXE
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:3852
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      Executes dropped EXE
      PID:3452
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        Creates scheduled task(s)
        PID:988
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation
                Replay Monitor
                00:00 00:00
                Downloads
                • C:\ProgramData\freebl3.dll

                  MD5

                  ef2834ac4ee7d6724f255beaf527e635

                  SHA1

                  5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

                  SHA256

                  a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

                  SHA512

                  c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

                • C:\ProgramData\mozglue.dll

                  MD5

                  8f73c08a9660691143661bf7332c3c27

                  SHA1

                  37fa65dd737c50fda710fdbde89e51374d0c204a

                  SHA256

                  3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

                  SHA512

                  0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

                • C:\ProgramData\msvcp140.dll

                  MD5

                  109f0f02fd37c84bfc7508d4227d7ed5

                  SHA1

                  ef7420141bb15ac334d3964082361a460bfdb975

                  SHA256

                  334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

                  SHA512

                  46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

                • C:\ProgramData\nss3.dll

                  MD5

                  bfac4e3c5908856ba17d41edcd455a51

                  SHA1

                  8eec7e888767aa9e4cca8ff246eb2aacb9170428

                  SHA256

                  e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

                  SHA512

                  2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

                • C:\ProgramData\softokn3.dll

                  MD5

                  a2ee53de9167bf0d6c019303b7ca84e5

                  SHA1

                  2a3c737fa1157e8483815e98b666408a18c0db42

                  SHA256

                  43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

                  SHA512

                  45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

                • C:\ProgramData\vcruntime140.dll

                  MD5

                  7587bf9cb4147022cd5681b015183046

                  SHA1

                  f2106306a8f6f0da5afb7fc765cfa0757ad5a628

                  SHA256

                  c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

                  SHA512

                  0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

                  MD5

                  3183751859498c44f6d0ee8e2aab2c17

                  SHA1

                  3948927d001256209b5e4b25003c3c4ccb9ad6bc

                  SHA256

                  fd7b40ffbaccd347c4daa2d0530a3b74114fcb55c78423d67750a8be92c70a28

                  SHA512

                  88de4b4c2818650f7080a9afdcbe8764f1604bbf77f08f2ce286beb5a00e6cb30352f6180f64e7b5d9790a1e5ebefde6e62d8221e55228942d5652a1e0cd4fa6

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                  MD5

                  98a2414b3a6062f69b5e91e8ef853e60

                  SHA1

                  a7c76d8cc77cc535d73bc6b0ee4f64527572145d

                  SHA256

                  cea0b3398c3a6ac31f4582a21afb131878dfd3e489d101af94fd3d682000dba3

                  SHA512

                  d186ac4f87a04cc56d2a120d1aa7d96f1574ac7353a7d8b237452260f11a3ebfadb556eb46ee894c75ae1bdc6dae480599c6109eb25873074546847d158dddda

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

                  MD5

                  b262f2b3befd3c517b431ec3ea99bff9

                  SHA1

                  92dbcb36ad0c85c1ec1534b0d74ab3cb68ae7f51

                  SHA256

                  1c7a313883c58a3b06bbe9ee309dc4b4e8413c4c7afb4ffb49411d33605f76da

                  SHA512

                  db5d0cf1574f3d946442f39cff2eea30cdfefb472063a1abdb30be4a9d5c09a4e19bcaa2a25765d8d548121e20cbb4ed6eead0df9ccbddba62b6c16d31de0e7e

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                  MD5

                  35a2546613a1d661302e52cd68a89d1b

                  SHA1

                  75f2b0ed8348bfc28955f9767b481d71021e7d64

                  SHA256

                  30ae6e8c906d9c5c7842ac67323bd01cffee8ac32245d051aa194d6e207eb743

                  SHA512

                  aa5c6cd2eca02c4f1b22f04c4ab1b421bd80fa772496209276487abe194092aea65bbf0ec7aece28a23f580a20e6dc7696c4fffc7b8f1ce32908114d70e962bf

                • C:\Users\Admin\AppData\Local\8a5ce04d-9c85-451e-b823-ab77a5f74b23\ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d.exe

                  MD5

                  a8e7d4fa0654318f38d94f7bdb3b2636

                  SHA1

                  3eb6adfb1a82a454460df843e36b6d0f42de6add

                  SHA256

                  ab279cfb5f6340d71aca6fd7cb5d66844be83ebb582b93a7b93230f598fc6b5d

                  SHA512

                  728e901fd09f14336c7aafad371e752c91bb277667457e624d0a8e8d019beb47481d343707b1a7a4b450185659388548b19768496853507345c78ddef2325fa5

                • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe

                  MD5

                  a2ef57bbe3a8af95196a419a7962bfaa

                  SHA1

                  1a0c42723cd1e2e947f904619de7fcea5ca4a183

                  SHA256

                  4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

                  SHA512

                  ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

                • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe

                  MD5

                  a2ef57bbe3a8af95196a419a7962bfaa

                  SHA1

                  1a0c42723cd1e2e947f904619de7fcea5ca4a183

                  SHA256

                  4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

                  SHA512

                  ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

                • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build2.exe

                  MD5

                  a2ef57bbe3a8af95196a419a7962bfaa

                  SHA1

                  1a0c42723cd1e2e947f904619de7fcea5ca4a183

                  SHA256

                  4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

                  SHA512

                  ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

                • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build3.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build3.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Local\b34ed25c-b679-42b0-966f-b162e8466ca1\build3.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • \ProgramData\mozglue.dll

                  MD5

                  8f73c08a9660691143661bf7332c3c27

                  SHA1

                  37fa65dd737c50fda710fdbde89e51374d0c204a

                  SHA256

                  3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

                  SHA512

                  0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

                • \ProgramData\nss3.dll

                  MD5

                  bfac4e3c5908856ba17d41edcd455a51

                  SHA1

                  8eec7e888767aa9e4cca8ff246eb2aacb9170428

                  SHA256

                  e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

                  SHA512

                  2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

                • memory/388-122-0x0000000000000000-mapping.dmp

                • memory/388-123-0x00000000030D4000-0x0000000003165000-memory.dmp

                • memory/428-152-0x0000000000000000-mapping.dmp

                • memory/448-142-0x0000000000000000-mapping.dmp

                • memory/532-120-0x0000000000000000-mapping.dmp

                • memory/988-167-0x0000000000000000-mapping.dmp

                • memory/1196-148-0x0000000004CD0000-0x0000000004DA6000-memory.dmp

                • memory/1196-131-0x0000000000000000-mapping.dmp

                • memory/1196-134-0x0000000003289000-0x0000000003305000-memory.dmp

                • memory/1268-139-0x0000000000400000-0x0000000000406000-memory.dmp

                • memory/1268-144-0x0000000000400000-0x0000000000406000-memory.dmp

                • memory/1268-140-0x0000000000401AFA-mapping.dmp

                • memory/1292-153-0x0000000000000000-mapping.dmp

                • memory/2056-118-0x00000000030E0000-0x00000000031FB000-memory.dmp

                • memory/2080-154-0x0000000000000000-mapping.dmp

                • memory/2724-138-0x0000000003529000-0x0000000003539000-memory.dmp

                • memory/2724-135-0x0000000000000000-mapping.dmp

                • memory/2724-143-0x0000000003480000-0x0000000003484000-memory.dmp

                • memory/3452-165-0x0000000000401AFA-mapping.dmp

                • memory/3500-146-0x00000000004A18CD-mapping.dmp

                • memory/3500-145-0x0000000000400000-0x00000000004D9000-memory.dmp

                • memory/3500-149-0x0000000000400000-0x00000000004D9000-memory.dmp

                • memory/3724-117-0x0000000000424141-mapping.dmp

                • memory/3724-119-0x0000000000400000-0x0000000000537000-memory.dmp

                • memory/3724-116-0x0000000000400000-0x0000000000537000-memory.dmp

                • memory/3852-163-0x0000000003428000-0x0000000003439000-memory.dmp

                • memory/4040-125-0x0000000000424141-mapping.dmp

                • memory/4040-130-0x0000000000400000-0x0000000000537000-memory.dmp