gh0strat | 119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a

General

Target

119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe
Size

180KB
MD5

be8e13e10a6c253e6f5248118dd58a4f
SHA1

2de75e27d01154c1400e134f4d5438aa4941bf39
SHA256

119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a
SHA512

6f20348c4ccae1b820ff9bf5b0a95831fb435489c737005e9d93a125a6c2eb7026708098d4ae2362a5002294a4c72fe31858eb97c98329987105a8a48ee4d4e1
SSDEEP

3072:VmtqxrrQEjmD2e8eo8imNNMiePZ3EiN8Xi5:vrr3Kl838jNMjZ3/NB

Score

10^/10

gh0strat rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/1156-132-0x0000000010000000-0x0000000010023000-memory.dmp	family_gh0strat
behavioral2/memory/4904-138-0x0000000010000000-0x0000000010023000-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 3 IoCs

pid	Process
4904	svchost.exe
2500	svchost.exe
1180	svchost.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\StormII\svchost.exe	119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe
File created	C:\Program Files (x86)\StormII\svchost.exe	119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3004	4904	WerFault.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1156	119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 2500	4904	svchost.exe	84
PID 4904 wrote to memory of 2500	4904	svchost.exe	84
PID 4904 wrote to memory of 2500	4904	svchost.exe	84
PID 4904 wrote to memory of 1180	4904	svchost.exe	85
PID 4904 wrote to memory of 1180	4904	svchost.exe	85
PID 4904 wrote to memory of 1180	4904	svchost.exe	85
PID 1156 wrote to memory of 2424	1156	119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe	89
PID 1156 wrote to memory of 2424	1156	119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe	89
PID 1156 wrote to memory of 2424	1156	119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe	89

C:\Users\Admin\AppData\Local\Temp\119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe
"C:\Users\Admin\AppData\Local\Temp\119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\119C0A~1.EXE > nul
  2⤵
  PID:2424

C:\Program Files (x86)\StormII\svchost.exe
"C:\Program Files (x86)\StormII\svchost.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Program Files (x86)\StormII\svchost.exe
  "C:\Program Files (x86)\StormII\svchost.exe" Win7
  2⤵
  - Executes dropped EXE
  PID:2500
- C:\Program Files (x86)\StormII\svchost.exe
  "C:\Program Files (x86)\StormII\svchost.exe" Win7
  2⤵
  - Executes dropped EXE
  PID:1180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 616
  2⤵
  - Program crash
  PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4904 -ip 4904
1⤵
PID:1388

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

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Downloads

C:\Program Files (x86)\StormII\svchost.exe

Filesize
180KB

MD5
be8e13e10a6c253e6f5248118dd58a4f

SHA1
2de75e27d01154c1400e134f4d5438aa4941bf39

SHA256
119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a

SHA512
6f20348c4ccae1b820ff9bf5b0a95831fb435489c737005e9d93a125a6c2eb7026708098d4ae2362a5002294a4c72fe31858eb97c98329987105a8a48ee4d4e1

Download Submit
C:\Program Files (x86)\StormII\svchost.exe

Filesize
180KB

MD5
be8e13e10a6c253e6f5248118dd58a4f

SHA1
2de75e27d01154c1400e134f4d5438aa4941bf39

SHA256
119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a

SHA512
6f20348c4ccae1b820ff9bf5b0a95831fb435489c737005e9d93a125a6c2eb7026708098d4ae2362a5002294a4c72fe31858eb97c98329987105a8a48ee4d4e1

Download Submit
C:\Program Files (x86)\StormII\svchost.exe

Filesize
180KB

MD5
be8e13e10a6c253e6f5248118dd58a4f

SHA1
2de75e27d01154c1400e134f4d5438aa4941bf39

SHA256
119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a

SHA512
6f20348c4ccae1b820ff9bf5b0a95831fb435489c737005e9d93a125a6c2eb7026708098d4ae2362a5002294a4c72fe31858eb97c98329987105a8a48ee4d4e1

Download Submit
C:\Program Files (x86)\StormII\svchost.exe

Filesize
180KB

MD5
be8e13e10a6c253e6f5248118dd58a4f

SHA1
2de75e27d01154c1400e134f4d5438aa4941bf39

SHA256
119c0a8258cc1ff958e6ec9ec8eae9d8e73a50833e01aa6565395464b8e33f7a

SHA512
6f20348c4ccae1b820ff9bf5b0a95831fb435489c737005e9d93a125a6c2eb7026708098d4ae2362a5002294a4c72fe31858eb97c98329987105a8a48ee4d4e1

Download Submit
memory/1156-132-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download
memory/4904-138-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download

Analysis

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