vidar | 08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71

Analysis

max time kernel
137s
max time network
130s
platform
windows7_x64
resource
win7v20210410
submitted
09/08/2021, 09:32

Sharing

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General

Target
d21f65241584fd09a7f08c52f4082386.exe
Size 772KB
Sample210809-ad42ej58ge
SHA256 08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71
MD5 d21f65241584fd09a7f08c52f4082386
SHA1 1eea24e7cd60eae916f6f9fc06f028c9f337786b
SHA512 d6643cbef2249dbb53558c06f4b3634335dc02d19f07b39555057603e5e6d8b39f4ed46b37f6de751e0d8d4cb6af26b47fe1404e40b094ff3f58479d504d3a1a
MD5 SHA1 SHA512

Score

10^/10

vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Path

C:\_readme.txt

Ransom Note

ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-jTbSQT8ApY Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0324gDrgofRiXRqq62TeogIfmpihYZJ6wDmuUVD07WwczX6Bm

Emails

URLs

https://we.tl/t-jTbSQT8ApY

Extracted

Family

vidar

Version

39.9

Botnet

https://prophefliloc.tumblr.com/

Attributes

profile_id
517

Signatures

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/1084-83-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1084-84-0x000000000046B77D-mapping.dmp	family_vidar
behavioral1/memory/780-87-0x0000000002CC0000-0x0000000002D5E000-memory.dmp	family_vidar
behavioral1/memory/1084-88-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 10 IoCs

pid	Process
780	build2.exe
1084	build2.exe
1696	build3.exe
1972	build3.exe
1492	mstsca.exe
1016	mstsca.exe
912	d21f65241584fd09a7f08c52f4082386.exe
300	d21f65241584fd09a7f08c52f4082386.exe
1796	mstsca.exe
1356	mstsca.exe

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\ConvertStop.tiff	d21f65241584fd09a7f08c52f4082386.exe
File renamed	C:\Users\Admin\Pictures\ConvertStop.tiff => C:\Users\Admin\Pictures\ConvertStop.tiff.reqg	d21f65241584fd09a7f08c52f4082386.exe
File renamed	C:\Users\Admin\Pictures\PingRevoke.crw => C:\Users\Admin\Pictures\PingRevoke.crw.reqg	d21f65241584fd09a7f08c52f4082386.exe
File renamed	C:\Users\Admin\Pictures\ResizeRemove.crw => C:\Users\Admin\Pictures\ResizeRemove.crw.reqg	d21f65241584fd09a7f08c52f4082386.exe
File renamed	C:\Users\Admin\Pictures\StopReset.crw => C:\Users\Admin\Pictures\StopReset.crw.reqg	d21f65241584fd09a7f08c52f4082386.exe
File opened for modification	C:\Users\Admin\Pictures\UndoUse.tiff	d21f65241584fd09a7f08c52f4082386.exe
File renamed	C:\Users\Admin\Pictures\UndoUse.tiff => C:\Users\Admin\Pictures\UndoUse.tiff.reqg	d21f65241584fd09a7f08c52f4082386.exe
File renamed	C:\Users\Admin\Pictures\ClearInstall.tif => C:\Users\Admin\Pictures\ClearInstall.tif.reqg	d21f65241584fd09a7f08c52f4082386.exe

Loads dropped DLL 8 IoCs

pid	Process
856	d21f65241584fd09a7f08c52f4082386.exe
856	d21f65241584fd09a7f08c52f4082386.exe
856	d21f65241584fd09a7f08c52f4082386.exe
856	d21f65241584fd09a7f08c52f4082386.exe
1084	build2.exe
1084	build2.exe
1084	build2.exe
1084	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1012	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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\286d535e-ce0a-4980-ac6e-4ea3296bb47d\\d21f65241584fd09a7f08c52f4082386.exe\" --AutoStart"	d21f65241584fd09a7f08c52f4082386.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 4 IoCs

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

flow	ioc
5	api.2ip.ua
6	api.2ip.ua
14	api.2ip.ua
30	api.2ip.ua

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 1072 set thread context of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1704 set thread context of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 780 set thread context of 1084	780	build2.exe	36
PID 1696 set thread context of 1972	1696	build3.exe	38
PID 1492 set thread context of 1016	1492	mstsca.exe	49
PID 912 set thread context of 300	912	d21f65241584fd09a7f08c52f4082386.exe	53
PID 1796 set thread context of 1356	1796	mstsca.exe	56

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
568	schtasks.exe
1800	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1596	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1668	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	d21f65241584fd09a7f08c52f4082386.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	d21f65241584fd09a7f08c52f4082386.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 1900000001000000100000002aa1c05e2ae606f198c2c5e937c97aa2030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e3491d00000001000000100000002e0d6875874a44c820912e85e964cfdb140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b40b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f00000053000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	d21f65241584fd09a7f08c52f4082386.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	d21f65241584fd09a7f08c52f4082386.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	d21f65241584fd09a7f08c52f4082386.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1192	d21f65241584fd09a7f08c52f4082386.exe
1192	d21f65241584fd09a7f08c52f4082386.exe
856	d21f65241584fd09a7f08c52f4082386.exe
856	d21f65241584fd09a7f08c52f4082386.exe
1084	build2.exe
1084	build2.exe
1084	build2.exe
1084	build2.exe
300	d21f65241584fd09a7f08c52f4082386.exe
300	d21f65241584fd09a7f08c52f4082386.exe
856	d21f65241584fd09a7f08c52f4082386.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1072 wrote to memory of 1192	1072	d21f65241584fd09a7f08c52f4082386.exe	26
PID 1192 wrote to memory of 1012	1192	d21f65241584fd09a7f08c52f4082386.exe	32
PID 1192 wrote to memory of 1012	1192	d21f65241584fd09a7f08c52f4082386.exe	32
PID 1192 wrote to memory of 1012	1192	d21f65241584fd09a7f08c52f4082386.exe	32
PID 1192 wrote to memory of 1012	1192	d21f65241584fd09a7f08c52f4082386.exe	32
PID 1192 wrote to memory of 1704	1192	d21f65241584fd09a7f08c52f4082386.exe	33
PID 1192 wrote to memory of 1704	1192	d21f65241584fd09a7f08c52f4082386.exe	33
PID 1192 wrote to memory of 1704	1192	d21f65241584fd09a7f08c52f4082386.exe	33
PID 1192 wrote to memory of 1704	1192	d21f65241584fd09a7f08c52f4082386.exe	33
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 1704 wrote to memory of 856	1704	d21f65241584fd09a7f08c52f4082386.exe	34
PID 856 wrote to memory of 780	856	d21f65241584fd09a7f08c52f4082386.exe	35
PID 856 wrote to memory of 780	856	d21f65241584fd09a7f08c52f4082386.exe	35
PID 856 wrote to memory of 780	856	d21f65241584fd09a7f08c52f4082386.exe	35
PID 856 wrote to memory of 780	856	d21f65241584fd09a7f08c52f4082386.exe	35
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 780 wrote to memory of 1084	780	build2.exe	36
PID 856 wrote to memory of 1696	856	d21f65241584fd09a7f08c52f4082386.exe	37
PID 856 wrote to memory of 1696	856	d21f65241584fd09a7f08c52f4082386.exe	37
PID 856 wrote to memory of 1696	856	d21f65241584fd09a7f08c52f4082386.exe	37
PID 856 wrote to memory of 1696	856	d21f65241584fd09a7f08c52f4082386.exe	37
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1696 wrote to memory of 1972	1696	build3.exe	38
PID 1972 wrote to memory of 568	1972	build3.exe	39
PID 1972 wrote to memory of 568	1972	build3.exe	39
PID 1972 wrote to memory of 568	1972	build3.exe	39
PID 1972 wrote to memory of 568	1972	build3.exe	39
PID 1084 wrote to memory of 2032	1084	build2.exe	42
PID 1084 wrote to memory of 2032	1084	build2.exe	42
PID 1084 wrote to memory of 2032	1084	build2.exe	42

C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe
"C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe
  "C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\286d535e-ce0a-4980-ac6e-4ea3296bb47d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1012
- - C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe
    "C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1704
  - - C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe
      "C:\Users\Admin\AppData\Local\Temp\d21f65241584fd09a7f08c52f4082386.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Modifies extensions of user files
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:856
    - - C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build2.exe
        
        "C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:780
      - C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build2.exe
        
        "C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1084
        
        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\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        
        PID:2032
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1668
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:1596
    - - C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build3.exe
        
        "C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1696
      - C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build3.exe
        
        "C:\Users\Admin\AppData\Local\4f40bfae-1a88-4275-8f7e-9e59eefd5fde\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1972
        
        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:568

C:\Windows\system32\taskeng.exe
taskeng.exe {1842A1B0-0415-4D50-98FB-01475F5BD842} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
PID:1776
- 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:1492
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1016
  - - 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:1800
- C:\Users\Admin\AppData\Local\286d535e-ce0a-4980-ac6e-4ea3296bb47d\d21f65241584fd09a7f08c52f4082386.exe
  C:\Users\Admin\AppData\Local\286d535e-ce0a-4980-ac6e-4ea3296bb47d\d21f65241584fd09a7f08c52f4082386.exe --Task
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:912
- - C:\Users\Admin\AppData\Local\286d535e-ce0a-4980-ac6e-4ea3296bb47d\d21f65241584fd09a7f08c52f4082386.exe
    C:\Users\Admin\AppData\Local\286d535e-ce0a-4980-ac6e-4ea3296bb47d\d21f65241584fd09a7f08c52f4082386.exe --Task
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:300
- 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:1796
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1356

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

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Downloads

memory/780-87-0x0000000002CC0000-0x0000000002D5E000-memory.dmp

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memory/856-77-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1072-63-0x0000000004640000-0x000000000475B000-memory.dmp

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memory/1084-88-0x0000000000400000-0x00000000004A1000-memory.dmp

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memory/1084-83-0x0000000000400000-0x00000000004A1000-memory.dmp

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memory/1192-64-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1192-62-0x0000000075411000-0x0000000075413000-memory.dmp

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memory/1192-60-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1696-99-0x0000000000220000-0x0000000000224000-memory.dmp

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memory/1972-100-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/1972-94-0x0000000000400000-0x0000000000406000-memory.dmp

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