f6baf2cbb7e86d3c1e140b0cc62dec7de55cc5359eeee7eda6f21ce0a00c13e9

General

Target

TT-4.exe
Size

307KB
MD5

19295d360b9ca2678d757d87d9445a65
SHA1

ac9d2e9364f8914004af53406627e04fc8ce2b9d
SHA256

f6baf2cbb7e86d3c1e140b0cc62dec7de55cc5359eeee7eda6f21ce0a00c13e9
SHA512

25af690a903a1cac3716bfe347dd5ef3f68b2cf5da227603b37d003e47a0b6394a77d69b48a9b430cbbbf9f309a4c8eff3eee58d13326b99c755d399c892c156

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2096	RegAsm.exe
3288	RegAsm.exe
4032	RegAsm.exe

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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\CertEnrollCtrl = "\"C:\\Users\\Admin\\AppData\\Roaming\\CertEnrollCtrl\\CertEnrollCtrl.exe\""	TT-4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4024 set thread context of 4032	4024	TT-4.exe	80

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4032	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe
4024	TT-4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4024	TT-4.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 2096	4024	TT-4.exe	78
PID 4024 wrote to memory of 2096	4024	TT-4.exe	78
PID 4024 wrote to memory of 2096	4024	TT-4.exe	78
PID 4024 wrote to memory of 3288	4024	TT-4.exe	79
PID 4024 wrote to memory of 3288	4024	TT-4.exe	79
PID 4024 wrote to memory of 3288	4024	TT-4.exe	79
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80
PID 4024 wrote to memory of 4032	4024	TT-4.exe	80

C:\Users\Admin\AppData\Local\Temp\TT-4.exe
"C:\Users\Admin\AppData\Local\Temp\TT-4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  2⤵
  - Executes dropped EXE
  PID:2096
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  2⤵
  - Executes dropped EXE
  PID:3288
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  PID:4032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4024-125-0x0000000005360000-0x0000000005361000-memory.dmp

Filesize
4KB

Download
memory/4024-124-0x0000000005860000-0x0000000005861000-memory.dmp

Filesize
4KB

Download
memory/4024-114-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/4024-123-0x00000000052C0000-0x00000000052C1000-memory.dmp

Filesize
4KB

Download
memory/4024-122-0x0000000002DB0000-0x0000000002DC7000-memory.dmp

Filesize
92KB

Download
memory/4024-121-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/4024-116-0x0000000001230000-0x0000000001232000-memory.dmp

Filesize
8KB

Download
memory/4032-128-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4032-136-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

Filesize
4KB

Download
memory/4032-137-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download

Analysis

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