51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb

General

Target

51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe
Size

96KB
MD5

38d3d60dd60f03bf35c59ae266b60000
SHA1

9a18b3d2cae630ff28759f68904b3ed21bf7312e
SHA256

51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb
SHA512

46783358d8ec77ddea3e50cf489b7ec85aceb7f30c2cb1587d1ebf87a65be7737181e9cbeff0e018ec4e5d18e95f7783b7095c84f93b33743d686fdaf71225f1
SSDEEP

1536:y8fGHUrKRtrhcamH7XVkEmiSngrR92SjuJ7cPcj3CnisY3A2ro4dxti/:jGH2KRXc3blXmtnitjuJG6SisYQT4b4/

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3400	taskhost.exe
3688	taskhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4124 set thread context of 3880	4124	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	82
PID 3400 set thread context of 3688	3400	taskhost.exe	86

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3164	3400	WerFault.exe	85
1652	4124	WerFault.exe	81

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 3880	4124	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	82
PID 4124 wrote to memory of 3880	4124	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	82
PID 4124 wrote to memory of 3880	4124	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	82
PID 4124 wrote to memory of 3880	4124	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	82
PID 4124 wrote to memory of 3880	4124	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	82
PID 3880 wrote to memory of 3400	3880	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	85
PID 3880 wrote to memory of 3400	3880	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	85
PID 3880 wrote to memory of 3400	3880	51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe	85
PID 3400 wrote to memory of 3688	3400	taskhost.exe	86
PID 3400 wrote to memory of 3688	3400	taskhost.exe	86
PID 3400 wrote to memory of 3688	3400	taskhost.exe	86
PID 3400 wrote to memory of 3688	3400	taskhost.exe	86
PID 3400 wrote to memory of 3688	3400	taskhost.exe	86

C:\Users\Admin\AppData\Local\Temp\51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe
"C:\Users\Admin\AppData\Local\Temp\51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe
  C:\Users\Admin\AppData\Local\Temp\51e3964a256a56b3bde6d1089d23e64da698dece292d18f007cb9c840b6f57fb.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Users\Admin\AppData\Roaming\taskhost.exe
    C:\Users\Admin\AppData\Roaming\taskhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3400
  - - C:\Users\Admin\AppData\Roaming\taskhost.exe
      C:\Users\Admin\AppData\Roaming\taskhost.exe
      4⤵
      Executes dropped EXE
      PID:3688
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 296
      4⤵
      Program crash
      PID:3164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 308
  2⤵
  - Program crash
  PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4124 -ip 4124
1⤵
PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3400 -ip 3400
1⤵
PID:3716

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

C:\Users\Admin\AppData\Roaming\taskhost.exe

Filesize
96KB

MD5
5ab354760105e5cb6f192f3096b4e204

SHA1
3b9e57bfe2d9306f08fce510cd65b464fcf0a98e

SHA256
37edd34c48f796540d10f55ad757ad89286d6263a87397c4ddd088eb4fe4eda8

SHA512
a1b0529633f2ec6a35ee0e18b5502f5c61f834b8fa9c19fcaee37f4689202556523e984e325128e5927c87170053eb1afb4352902d53cc9297c63da2c57d19b8

Download Submit
C:\Users\Admin\AppData\Roaming\taskhost.exe

Filesize
96KB

MD5
5ab354760105e5cb6f192f3096b4e204

SHA1
3b9e57bfe2d9306f08fce510cd65b464fcf0a98e

SHA256
37edd34c48f796540d10f55ad757ad89286d6263a87397c4ddd088eb4fe4eda8

SHA512
a1b0529633f2ec6a35ee0e18b5502f5c61f834b8fa9c19fcaee37f4689202556523e984e325128e5927c87170053eb1afb4352902d53cc9297c63da2c57d19b8

Download Submit
C:\Users\Admin\AppData\Roaming\taskhost.exe

Filesize
96KB

MD5
5ab354760105e5cb6f192f3096b4e204

SHA1
3b9e57bfe2d9306f08fce510cd65b464fcf0a98e

SHA256
37edd34c48f796540d10f55ad757ad89286d6263a87397c4ddd088eb4fe4eda8

SHA512
a1b0529633f2ec6a35ee0e18b5502f5c61f834b8fa9c19fcaee37f4689202556523e984e325128e5927c87170053eb1afb4352902d53cc9297c63da2c57d19b8

Download Submit
memory/3688-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3688-143-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3688-145-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3880-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3880-134-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3880-133-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3880-144-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

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