gh0strat | 44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708

General

Target

44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe
Size

206KB
MD5

e22ee64b67113f960e3e359bdbf533bc
SHA1

0b24aeaa8212d86149cb51ffd9ca0f9053a3460b
SHA256

44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708
SHA512

6aa088fcb3661cd45fd07ccabd6ceba561d550030597ce25b89604d3bd7c5d5ee4a277450506a3a655d89246ba571db7de12626d1844c90bd225d24baaaf2083
SSDEEP

6144:h52aToNFKmgkr/6b5dzV2fea+PTBjAVjRBmsIvMOFYPvZX:h5jTaFKNkr/6bXzV2fd8cAMd

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/4760-134-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat
behavioral2/memory/4760-136-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat
behavioral2/memory/4760-135-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat
behavioral2/memory/3948-141-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat
behavioral2/memory/3948-142-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat
behavioral2/memory/3948-143-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat
behavioral2/memory/4760-145-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat
behavioral2/memory/3948-146-0x0000000010000000-0x0000000010112000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Executes dropped EXE 1 IoCs

pid	Process
3948	rwnlws.pif

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4760-132-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/4760-134-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/4760-136-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/4760-135-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/3948-139-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/3948-141-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/3948-142-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/3948-143-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/4760-145-0x0000000010000000-0x0000000010112000-memory.dmp	upx
behavioral2/memory/3948-146-0x0000000010000000-0x0000000010112000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rwnlws.pif	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe
File opened for modification	C:\Windows\rwnlws.pif	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4760	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe
4760	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe
3948	rwnlws.pif
3948	rwnlws.pif

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4760	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 1716	4760	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe	82
PID 4760 wrote to memory of 1716	4760	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe	82
PID 4760 wrote to memory of 1716	4760	44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe	82

C:\Users\Admin\AppData\Local\Temp\44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe
"C:\Users\Admin\AppData\Local\Temp\44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\44E0A6~1.EXE > nul
  2⤵
  PID:1716

C:\Windows\rwnlws.pif
C:\Windows\rwnlws.pif
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\rwnlws.pif

Filesize
206KB

MD5
e22ee64b67113f960e3e359bdbf533bc

SHA1
0b24aeaa8212d86149cb51ffd9ca0f9053a3460b

SHA256
44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708

SHA512
6aa088fcb3661cd45fd07ccabd6ceba561d550030597ce25b89604d3bd7c5d5ee4a277450506a3a655d89246ba571db7de12626d1844c90bd225d24baaaf2083

Download Submit
C:\Windows\rwnlws.pif

Filesize
206KB

MD5
e22ee64b67113f960e3e359bdbf533bc

SHA1
0b24aeaa8212d86149cb51ffd9ca0f9053a3460b

SHA256
44e0a6a5b22ec20b1a1d5482ceea7b10fe0667257cab7e36fe8287d389691708

SHA512
6aa088fcb3661cd45fd07ccabd6ceba561d550030597ce25b89604d3bd7c5d5ee4a277450506a3a655d89246ba571db7de12626d1844c90bd225d24baaaf2083

Download Submit
memory/3948-143-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/3948-139-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/3948-141-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/3948-142-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/3948-146-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/4760-135-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/4760-136-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/4760-132-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/4760-134-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download
memory/4760-145-0x0000000010000000-0x0000000010112000-memory.dmp

Filesize
1.1MB

Download

Analysis

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