c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947

General

Target

c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe
Size

96KB
MD5

8ad8feb6996642a751dc3979c1cc527f
SHA1

838adaf728ab925d46d31b47d40aa5ea7831f5f5
SHA256

c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947
SHA512

119a205ed97161b22384168ee157a3b6eb0385e589307ae3318a63b11123cda0b957ae3001ee8130eb02dc5a7dd37bc431dccc8ff1e3a637a17dbe212bbe3503
SSDEEP

1536:Y8fGHUrKRtrhcamH7XVkEmiSngrR92SjuJ7cPcj3CnisY3A2ro4dxti/:5GH2KRXc3blXmtnitjuJG6SisYQT4b4/

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1456	taskhost.exe
4380	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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1468 set thread context of 380	1468	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	80
PID 1456 set thread context of 4380	1456	taskhost.exe	83

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4848	1468	WerFault.exe	64
4448	1456	WerFault.exe	82

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 380	1468	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	80
PID 1468 wrote to memory of 380	1468	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	80
PID 1468 wrote to memory of 380	1468	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	80
PID 1468 wrote to memory of 380	1468	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	80
PID 1468 wrote to memory of 380	1468	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	80
PID 380 wrote to memory of 1456	380	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	82
PID 380 wrote to memory of 1456	380	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	82
PID 380 wrote to memory of 1456	380	c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe	82
PID 1456 wrote to memory of 4380	1456	taskhost.exe	83
PID 1456 wrote to memory of 4380	1456	taskhost.exe	83
PID 1456 wrote to memory of 4380	1456	taskhost.exe	83
PID 1456 wrote to memory of 4380	1456	taskhost.exe	83
PID 1456 wrote to memory of 4380	1456	taskhost.exe	83

C:\Users\Admin\AppData\Local\Temp\c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe
"C:\Users\Admin\AppData\Local\Temp\c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Users\Admin\AppData\Local\Temp\c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe
  C:\Users\Admin\AppData\Local\Temp\c6bb9e82971147e80f3ecae9e3ab1281a45e79b28a1bf6989856ca0b021f4947.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:380
- - 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:1456
  - - C:\Users\Admin\AppData\Roaming\taskhost.exe
      C:\Users\Admin\AppData\Roaming\taskhost.exe
      4⤵
      Executes dropped EXE
      PID:4380
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 296
      4⤵
      Program crash
      PID:4448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 296
  2⤵
  - Program crash
  PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1468 -ip 1468
1⤵
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1456 -ip 1456
1⤵
PID:4632

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
a0679e57f476530e46168c86cbb317bc

SHA1
e199ecf323f31bf1c29afab060a64bdc275cdd25

SHA256
fc5c9f3dd84458df4618824d49ccf0aa3ac0ca3d71b5a4ee23b3d6390c7a91ac

SHA512
f0d541a8fcf86b6fb73f84c38dc695ac8571aee15891d608c3072ceb0f25f00550c857b627af24f58e8d7c628e4e6da8e72dfe4f29a16f074e519b7c2ca02d18

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

Filesize
96KB

MD5
a0679e57f476530e46168c86cbb317bc

SHA1
e199ecf323f31bf1c29afab060a64bdc275cdd25

SHA256
fc5c9f3dd84458df4618824d49ccf0aa3ac0ca3d71b5a4ee23b3d6390c7a91ac

SHA512
f0d541a8fcf86b6fb73f84c38dc695ac8571aee15891d608c3072ceb0f25f00550c857b627af24f58e8d7c628e4e6da8e72dfe4f29a16f074e519b7c2ca02d18

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

Filesize
96KB

MD5
a0679e57f476530e46168c86cbb317bc

SHA1
e199ecf323f31bf1c29afab060a64bdc275cdd25

SHA256
fc5c9f3dd84458df4618824d49ccf0aa3ac0ca3d71b5a4ee23b3d6390c7a91ac

SHA512
f0d541a8fcf86b6fb73f84c38dc695ac8571aee15891d608c3072ceb0f25f00550c857b627af24f58e8d7c628e4e6da8e72dfe4f29a16f074e519b7c2ca02d18

Download Submit
memory/380-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/380-133-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/380-134-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/380-144-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4380-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4380-143-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4380-145-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

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