68e272e40da3acbe763374b71fbbf375aaa1ead475ebedfebe699c5f18d2df9f

Analysis

max time kernel
131s
max time network
135s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/10/2022, 09:34

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General

Target
27a9d1df485ef6104e9567911e420934.exe
Size 2.2MB
Sample221006-ljtk3aghb7
SHA256 68e272e40da3acbe763374b71fbbf375aaa1ead475ebedfebe699c5f18d2df9f
MD5 27a9d1df485ef6104e9567911e420934
SHA1 7ac40785cc0743178cf9835af6ebbe509e4b6e67
SHA512 b8169287d67763fe8fab7b1f73b11f78200af9223e35be4613f894f02f1b177d5d9d9dc12f37d2fd5541d7a55076fd6840d415dab9f124bb1ab68f9dc6558043
SSDEEP 24576:lJ2oCmUBD74FYRr4mccN+BoCIFDnYQb6VOIMhFDId:
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1800	27a9d1df485ef6104e9567911e420934.exe
1552	27a9d1df485ef6104e9567911e420934.exe

Loads dropped DLL 1 IoCs

pid	Process
776	taskeng.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ivrmwfo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Yjjkzozonxb\\Ivrmwfo.exe\""	27a9d1df485ef6104e9567911e420934.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ivrmwfo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Yjjkzozonxb\\Ivrmwfo.exe\""	27a9d1df485ef6104e9567911e420934.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 1800 set thread context of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1504	27a9d1df485ef6104e9567911e420934.exe
1504	27a9d1df485ef6104e9567911e420934.exe
1504	27a9d1df485ef6104e9567911e420934.exe
1504	27a9d1df485ef6104e9567911e420934.exe
1504	27a9d1df485ef6104e9567911e420934.exe
1800	27a9d1df485ef6104e9567911e420934.exe
1800	27a9d1df485ef6104e9567911e420934.exe
1552	27a9d1df485ef6104e9567911e420934.exe
1552	27a9d1df485ef6104e9567911e420934.exe
1552	27a9d1df485ef6104e9567911e420934.exe
1552	27a9d1df485ef6104e9567911e420934.exe
1552	27a9d1df485ef6104e9567911e420934.exe
1552	27a9d1df485ef6104e9567911e420934.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	27a9d1df485ef6104e9567911e420934.exe
Token: SeDebugPrivilege	1936	27a9d1df485ef6104e9567911e420934.exe
Token: SeDebugPrivilege	1800	27a9d1df485ef6104e9567911e420934.exe
Token: SeDebugPrivilege	1552	27a9d1df485ef6104e9567911e420934.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 968	1504	27a9d1df485ef6104e9567911e420934.exe	26
PID 1504 wrote to memory of 968	1504	27a9d1df485ef6104e9567911e420934.exe	26
PID 1504 wrote to memory of 968	1504	27a9d1df485ef6104e9567911e420934.exe	26
PID 1504 wrote to memory of 1108	1504	27a9d1df485ef6104e9567911e420934.exe	27
PID 1504 wrote to memory of 1108	1504	27a9d1df485ef6104e9567911e420934.exe	27
PID 1504 wrote to memory of 1108	1504	27a9d1df485ef6104e9567911e420934.exe	27
PID 1504 wrote to memory of 1112	1504	27a9d1df485ef6104e9567911e420934.exe	28
PID 1504 wrote to memory of 1112	1504	27a9d1df485ef6104e9567911e420934.exe	28
PID 1504 wrote to memory of 1112	1504	27a9d1df485ef6104e9567911e420934.exe	28
PID 1504 wrote to memory of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 1504 wrote to memory of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 1504 wrote to memory of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 1504 wrote to memory of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 1504 wrote to memory of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 1504 wrote to memory of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 1504 wrote to memory of 1936	1504	27a9d1df485ef6104e9567911e420934.exe	29
PID 776 wrote to memory of 1800	776	taskeng.exe	32
PID 776 wrote to memory of 1800	776	taskeng.exe	32
PID 776 wrote to memory of 1800	776	taskeng.exe	32
PID 1800 wrote to memory of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33
PID 1800 wrote to memory of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33
PID 1800 wrote to memory of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33
PID 1800 wrote to memory of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33
PID 1800 wrote to memory of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33
PID 1800 wrote to memory of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33
PID 1800 wrote to memory of 1552	1800	27a9d1df485ef6104e9567911e420934.exe	33

C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
"C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  2⤵
  PID:968
- C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  2⤵
  PID:1108
- C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  2⤵
  PID:1112
- C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  C:\Users\Admin\AppData\Local\Temp\27a9d1df485ef6104e9567911e420934.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1936

C:\Windows\system32\taskeng.exe
taskeng.exe {917F788B-BB1C-4126-B2F3-7331783604B9} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:776
- C:\Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
  C:\Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
    C:\Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

27a9d1df485ef6104e9567911e420934.exe

Path C:\Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
Size 2.2MB
SHA256 68e272e40da3acbe763374b71fbbf375aaa1ead475ebedfebe699c5f18d2df9f
MD5 27a9d1df485ef6104e9567911e420934
SHA1 7ac40785cc0743178cf9835af6ebbe509e4b6e67
SHA512 b8169287d67763fe8fab7b1f73b11f78200af9223e35be4613f894f02f1b177d5d9d9dc12f37d2fd5541d7a55076fd6840d415dab9f124bb1ab68f9dc6558043
SSDEEP 24576:lJ2oCmUBD74FYRr4mccN+BoCIFDnYQb6VOIMhFDId:
MD5 SHA1 SHA512 SSDEEP

Submit Download

27a9d1df485ef6104e9567911e420934.exe

Path C:\Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
Size 2.2MB
SHA256 68e272e40da3acbe763374b71fbbf375aaa1ead475ebedfebe699c5f18d2df9f
MD5 27a9d1df485ef6104e9567911e420934
SHA1 7ac40785cc0743178cf9835af6ebbe509e4b6e67
SHA512 b8169287d67763fe8fab7b1f73b11f78200af9223e35be4613f894f02f1b177d5d9d9dc12f37d2fd5541d7a55076fd6840d415dab9f124bb1ab68f9dc6558043
SSDEEP 24576:lJ2oCmUBD74FYRr4mccN+BoCIFDnYQb6VOIMhFDId:
MD5 SHA1 SHA512 SSDEEP

Submit Download

27a9d1df485ef6104e9567911e420934.exe

Path C:\Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
Size 2.2MB
SHA256 68e272e40da3acbe763374b71fbbf375aaa1ead475ebedfebe699c5f18d2df9f
MD5 27a9d1df485ef6104e9567911e420934
SHA1 7ac40785cc0743178cf9835af6ebbe509e4b6e67
SHA512 b8169287d67763fe8fab7b1f73b11f78200af9223e35be4613f894f02f1b177d5d9d9dc12f37d2fd5541d7a55076fd6840d415dab9f124bb1ab68f9dc6558043
SSDEEP 24576:lJ2oCmUBD74FYRr4mccN+BoCIFDnYQb6VOIMhFDId:
MD5 SHA1 SHA512 SSDEEP

Submit Download

27a9d1df485ef6104e9567911e420934.exe

Path \Users\Admin\AppData\Roaming\27a9d1df485ef6104e9567911e420934.exe
Size 2.2MB
SHA256 68e272e40da3acbe763374b71fbbf375aaa1ead475ebedfebe699c5f18d2df9f
MD5 27a9d1df485ef6104e9567911e420934
SHA1 7ac40785cc0743178cf9835af6ebbe509e4b6e67
SHA512 b8169287d67763fe8fab7b1f73b11f78200af9223e35be4613f894f02f1b177d5d9d9dc12f37d2fd5541d7a55076fd6840d415dab9f124bb1ab68f9dc6558043
SSDEEP 24576:lJ2oCmUBD74FYRr4mccN+BoCIFDnYQb6VOIMhFDId:
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1504-55-0x00000000027A0000-0x00000000028C2000-memory.dmp

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memory/1504-56-0x0000000002470000-0x0000000002502000-memory.dmp

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memory/1504-54-0x0000000000140000-0x000000000037E000-memory.dmp

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memory/1552-88-0x00000000025A6000-0x00000000025C5000-memory.dmp

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memory/1552-87-0x00000000025A6000-0x00000000025C5000-memory.dmp

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memory/1800-75-0x0000000000190000-0x00000000003CE000-memory.dmp

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memory/1936-60-0x0000000000400000-0x000000000048C000-memory.dmp

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memory/1936-70-0x000000001C266000-0x000000001C285000-memory.dmp

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memory/1936-69-0x0000000000B10000-0x0000000000B64000-memory.dmp

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memory/1936-68-0x0000000000AC0000-0x0000000000B0C000-memory.dmp

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memory/1936-67-0x0000000000490000-0x00000000004DE000-memory.dmp

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memory/1936-66-0x0000000000900000-0x00000000009A4000-memory.dmp

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memory/1936-62-0x0000000000400000-0x000000000048C000-memory.dmp

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memory/1936-57-0x0000000000400000-0x000000000048C000-memory.dmp

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memory/1936-58-0x0000000000400000-0x000000000048C000-memory.dmp

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