gh0strat | 98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01

General

Target
98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
Size 4.5MB
Sample260710-l9rt6aat31
SHA256 98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01
MD5 868eccd334862933e9707929a3872055
SHA1 329744f153587d2ea4d86cf55868b306dd11f4b5
SHA512 4127a57c6f24cf4656eea9cad7d8589137c6693ae134dc37ac4254d56156d127b5b63590001c326c7ca936f47c71bee6e78f9e0e4f87e3bcab7ca95e48ea8d1f
SSDEEP 49152:fYREXSVMKi3ibXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:g2SVMK8ibXsPN5kiQaZ56
TLSH
T17A26C22166D4CFE1D46F1070DC66BAF6912BAE20CF554FCB6E807E1A39305D2AA3161F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery gh0strat persistence rat

Malware Config

Signatures

Family: 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

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c484-6.dat	family_gh0strat

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240725843.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
1708	look2.exe
6044	HD_98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
6192	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
1708	look2.exe
5920	svchost.exe
6192	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240725843.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5656	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
5656	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5656	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
5656	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5656 wrote to memory of 1708	5656	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe	88
PID 5656 wrote to memory of 6044	5656	98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe	91
PID 5920 wrote to memory of 6192	5920	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
"C:\Users\Admin\AppData\Local\Temp\98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5656
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\HD_98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
  C:\Users\Admin\AppData\Local\Temp\HD_98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:6044

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:6080

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5920
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240725843.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:6192

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:6512

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

HD_98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_98025b761660c1e20a660f3232640f9faa6fbe1f6f86d125b666ce66d81e2d01.exe
Size 3.1MB
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
SSDEEP 49152:0bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLhp:0bXsPN5kiQaZ56
TLSH
T14BE5802126D4CFE1D46F20B0DD66BAF6512BAD24CF564FCB6D803E1A35305D2AA31A1F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.5MB
SHA256 fce4a7149a80009d49e4e7bce18dbe972868f29891833d669a197296c94b25d6
MD5 42a213b233c37ce8da77dee8e52e5ba2
SHA1 42b3f32abe174fe48e78038bb16c17a95de63d12
SHA512 82dd25e04e3f2b873879476cb89506092cfc41e058fc97d772eccd7ac39e3d0611e4b09c2a93918399250902abf2b0abfb7dedc3ee17ad4d6124d13388b96bdd
SSDEEP 24576:fYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9+yzHM:fYREXSVMKi3g
TLSH
T1C2658C167A81CFB1C51F1530C8A797F59677AF40CE118BCB6398FE2C7972181AA36227
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

look2.exe

Path C:\Users\Admin\AppData\Local\Temp\look2.exe
Size 337KB
SHA256 5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa
MD5 fb66e1e31fa1e6dfb21a50ccd11e0409
SHA1 6c45a0a115ec896eb14a531a44809b2a22cf8934
SHA512 58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b
SSDEEP 6144:8IXwWcHnNmZEvB7csAPRZyfQjCfA3lMXm4Y+5bFnWBFopJO+:8IXwDNmZEvJcscRZzjCI1O5W
TLSH
T1B674BF137FE4C8B6C59351324EE25F7AA1F6FE902E224A4333956F0CDD32691963A316
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

240725843.bat

Path C:\Windows\SysWOW64\240725843.bat
Size 51KB
SHA256 0ed0bf9b4a28959b8a5619add3c3ad34992514cfca679725971d294cde06a65a
MD5 48bb14e9ccca0ac7233087ce27d15eeb
SHA1 5dc09911de3864c3b3d1b37ce45c422efbbeea83
SHA512 10ca89e8141306f998ca4134331c5de953821fe454d1e8c796d47c6a6f396ef4dcbf605111f7c992558ad7a29cdcd76fa822ba7bde0abfee203042d97ac4df6f
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLLJYH5:1dWubF3n9S91BF3fbofJYH5
TLSH
T145333A02DE8D88F5F145177038AA33B6953ABDE036996A931F53DDA9C87B370F12D242
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

svchcst.exe

Path C:\Windows\SysWOW64\svchcst.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads