70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381

General

Target

70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe
Size

96KB
MD5

e5be71577d84bbffa67d2c3017afdf54
SHA1

9af1344ecb4c5f1d47804f229b5a06d32017361f
SHA256

70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381
SHA512

2597aeb09949afbc3e141df0dd751cc40a9d43159c9a5c734938be77b844fb984b8bfac04517c20dd817e7b47df09a9f61be8255082ef3fbb8a22dadcc764171
SSDEEP

1536:rY7PlAy7rMg9QletltwACUlC1YSZh70MKjHnKlH:r+NN7r5tjdG70MDH

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2224	taskhost.exe
316	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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3292 set thread context of 4648	3292	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	82
PID 2224 set thread context of 316	2224	taskhost.exe	85

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1344	3292	WerFault.exe	81
2772	2224	WerFault.exe	84

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 4648	3292	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	82
PID 3292 wrote to memory of 4648	3292	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	82
PID 3292 wrote to memory of 4648	3292	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	82
PID 3292 wrote to memory of 4648	3292	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	82
PID 3292 wrote to memory of 4648	3292	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	82
PID 4648 wrote to memory of 2224	4648	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	84
PID 4648 wrote to memory of 2224	4648	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	84
PID 4648 wrote to memory of 2224	4648	70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe	84
PID 2224 wrote to memory of 316	2224	taskhost.exe	85
PID 2224 wrote to memory of 316	2224	taskhost.exe	85
PID 2224 wrote to memory of 316	2224	taskhost.exe	85
PID 2224 wrote to memory of 316	2224	taskhost.exe	85
PID 2224 wrote to memory of 316	2224	taskhost.exe	85

C:\Users\Admin\AppData\Local\Temp\70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe
"C:\Users\Admin\AppData\Local\Temp\70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Users\Admin\AppData\Local\Temp\70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe
  C:\Users\Admin\AppData\Local\Temp\70ef86554b0c0d5e033c90ffc7a9b9cc226a7b04cc48f592e9497c2e21ffd381.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4648
- - 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:2224
  - - C:\Users\Admin\AppData\Roaming\taskhost.exe
      C:\Users\Admin\AppData\Roaming\taskhost.exe
      4⤵
      Executes dropped EXE
      PID:316
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 224
      4⤵
      Program crash
      PID:2772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 304
  2⤵
  - Program crash
  PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3292 -ip 3292
1⤵
PID:2088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2224 -ip 2224
1⤵
PID:220

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
cf05028a1012b78b4eb99e6fa4470a14

SHA1
bf18129e78fd49814e1f131d6b1a9e8789244fc0

SHA256
faa38f7493a65bd8f926a1bc12051d116c943279c364c2d69399e3fe2bbba185

SHA512
662e4fee6e59a97589b606de2583c780936905d75f8c17ff428325e33922a05baa0f11ef46d4d5084ca930552f23e7c8f00b10a9594f4d2ffe6a8e0b4254b829

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

Filesize
96KB

MD5
cf05028a1012b78b4eb99e6fa4470a14

SHA1
bf18129e78fd49814e1f131d6b1a9e8789244fc0

SHA256
faa38f7493a65bd8f926a1bc12051d116c943279c364c2d69399e3fe2bbba185

SHA512
662e4fee6e59a97589b606de2583c780936905d75f8c17ff428325e33922a05baa0f11ef46d4d5084ca930552f23e7c8f00b10a9594f4d2ffe6a8e0b4254b829

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

Filesize
96KB

MD5
cf05028a1012b78b4eb99e6fa4470a14

SHA1
bf18129e78fd49814e1f131d6b1a9e8789244fc0

SHA256
faa38f7493a65bd8f926a1bc12051d116c943279c364c2d69399e3fe2bbba185

SHA512
662e4fee6e59a97589b606de2583c780936905d75f8c17ff428325e33922a05baa0f11ef46d4d5084ca930552f23e7c8f00b10a9594f4d2ffe6a8e0b4254b829

Download Submit
memory/316-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/316-143-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/316-145-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4648-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4648-134-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4648-133-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4648-144-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

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