djvu | 76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff

Analysis

max time kernel
142s
max time network
161s
platform
windows7_x64
resource
win7-en
submitted
13/09/2021, 06:41

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
Size 840KB
Sample210913-hfsb2sgbbq
SHA256 76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff
MD5 3330f70260bab9eed19627d92f0b8bfc
SHA1 c8cf710384af8d10c4e50ca9edd5075069290381
SHA512 d809896b5f707225beeac845b6ee0aa2c0e0e44ded530781103028e0f47c9f4d6d741514e909e3fa63dcacd4a5222e4c990b450daed2447ada753bea4df6d8c5
MD5 SHA1 SHA512

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

40.5

Botnet

https://gheorghip.tumblr.com/

Attributes

profile_id
517

Signatures

Detected Djvu ransomware 6 IoCs

resource	yara_rule
behavioral1/memory/1184-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1184-54-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1184-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1984-56-0x0000000003180000-0x000000000329B000-memory.dmp	family_djvu
behavioral1/memory/1352-62-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1352-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral1/memory/268-70-0x0000000000400000-0x00000000004D5000-memory.dmp	family_vidar
behavioral1/memory/268-71-0x000000000049EC7D-mapping.dmp	family_vidar
behavioral1/memory/1132-74-0x0000000000300000-0x00000000003D2000-memory.dmp	family_vidar
behavioral1/memory/268-75-0x0000000000400000-0x00000000004D5000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 6 IoCs

pid	Process
1132	build2.exe
268	build2.exe
556	build3.exe
1348	build3.exe
1568	mstsca.exe
1656	mstsca.exe

Loads dropped DLL 8 IoCs

pid	Process
1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
268	build2.exe
268	build2.exe
268	build2.exe
268	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1020	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\d5f873f7-2c69-4b67-be99-be903f084ebf\\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe\" --AutoStart"	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 2 IoCs

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

flow	ioc
7	api.2ip.ua
10	api.2ip.ua

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 872 set thread context of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 1132 set thread context of 268	1132	build2.exe	38
PID 556 set thread context of 1348	556	build3.exe	40
PID 1568 set thread context of 1656	1568	mstsca.exe	51

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1364	schtasks.exe
1832	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
968	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1612	taskkill.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 1900000001000000100000002aa1c05e2ae606f198c2c5e937c97aa2030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e3491d00000001000000100000002e0d6875874a44c820912e85e964cfdb140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b40b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f00000053000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	build2.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
268	build2.exe
268	build2.exe
268	build2.exe
268	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1984 wrote to memory of 1184	1984	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	26
PID 1184 wrote to memory of 1020	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	33
PID 1184 wrote to memory of 1020	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	33
PID 1184 wrote to memory of 1020	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	33
PID 1184 wrote to memory of 1020	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	33
PID 1184 wrote to memory of 872	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	34
PID 1184 wrote to memory of 872	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	34
PID 1184 wrote to memory of 872	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	34
PID 1184 wrote to memory of 872	1184	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	34
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 872 wrote to memory of 1352	872	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	35
PID 1352 wrote to memory of 1132	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	37
PID 1352 wrote to memory of 1132	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	37
PID 1352 wrote to memory of 1132	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	37
PID 1352 wrote to memory of 1132	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	37
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1132 wrote to memory of 268	1132	build2.exe	38
PID 1352 wrote to memory of 556	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	39
PID 1352 wrote to memory of 556	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	39
PID 1352 wrote to memory of 556	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	39
PID 1352 wrote to memory of 556	1352	76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe	39
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 556 wrote to memory of 1348	556	build3.exe	40
PID 1348 wrote to memory of 1364	1348	build3.exe	42
PID 1348 wrote to memory of 1364	1348	build3.exe	42
PID 1348 wrote to memory of 1364	1348	build3.exe	42
PID 1348 wrote to memory of 1364	1348	build3.exe	42
PID 268 wrote to memory of 1608	268	build2.exe	44
PID 268 wrote to memory of 1608	268	build2.exe	44
PID 268 wrote to memory of 1608	268	build2.exe	44

C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
"C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
  "C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\d5f873f7-2c69-4b67-be99-be903f084ebf" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1020
- - C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
    "C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:872
  - - C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe
      "C:\Users\Admin\AppData\Local\Temp\76930f4dc516570491aaf144c1937bb3c35238ed5af78a0d31dd645d4fabb0ff.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1352
    - - C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build2.exe
        
        "C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1132
      - C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build2.exe
        
        "C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Modifies system certificate store
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:268
        
        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\e9036f70-1853-47cc-955c-c1b2ff8100ad\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        
        PID:1608
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1612
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:968
    - - C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build3.exe
        
        "C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:556
      - C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build3.exe
        
        "C:\Users\Admin\AppData\Local\e9036f70-1853-47cc-955c-c1b2ff8100ad\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1348
        
        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"
        7⤵
        Creates scheduled task(s)
        
        PID:1364

C:\Windows\system32\taskeng.exe
taskeng.exe {638FF3E2-FCF7-433C-921E-0DF4836ED808} S-1-5-21-1669990088-476967504-438132596-1000:KJUCCLUP\Admin:Interactive:[1]
1⤵
PID:1020
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1568
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1656
  - - 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"
      4⤵
      Creates scheduled task(s)
      PID:1832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/268-75-0x0000000000400000-0x00000000004D5000-memory.dmp

Download

memory/268-70-0x0000000000400000-0x00000000004D5000-memory.dmp

Download

memory/556-92-0x0000000000220000-0x0000000000224000-memory.dmp

Download

memory/1132-74-0x0000000000300000-0x00000000003D2000-memory.dmp

Download

memory/1184-57-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1184-53-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1184-55-0x00000000754C1000-0x00000000754C3000-memory.dmp

Download

memory/1348-94-0x0000000000400000-0x0000000000406000-memory.dmp

Download

memory/1348-88-0x0000000000400000-0x0000000000406000-memory.dmp

Download

memory/1352-64-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1984-56-0x0000000003180000-0x000000000329B000-memory.dmp

Download