gh0strat | 38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e

General

Target
38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.exe
Size 1.4MB
Sample260728-lz5chatfne
SHA256 38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e
MD5 c6802861b459fd030867e8a19b350726
SHA1 1a9e1431a2caeac1b79179daae5b4fc3e01ff34c
SHA512 2c806c3b3b6594cf42c4c6cacd8b3c2985303c5a3f969da37c20500bb6a94f283c79aab759017d20f2060bcef1c9a5488b74d8b2cf441f560ab6fc36d6d0492f
SSDEEP 24576:rYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9ryzHFWP6LBc:rYREXSVMKi37PmBc
TLSH
T127657C027A91CFB1C54F1431C8A6A7FA9677AF40CE118BC7A3D8FE2D79721819636127
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/0x000e00000001c466-6.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\\240716015.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2480	look2.exe
4636	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
2480	look2.exe
3772	svchost.exe
4636	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240716015.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	38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.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 4 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	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4600	38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.exe
4600	38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 2480	4600	38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.exe	89
PID 3772 wrote to memory of 4636	3772	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.exe
"C:\Users\Admin\AppData\Local\Temp\38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4600
- 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:2480

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:4920

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:3772
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240716015.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4636

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:4340

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

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.4MB
SHA256 38d7bb324f46056f495f4830b537c2ee97c507afb27b737e3b4632936447191e
MD5 c6802861b459fd030867e8a19b350726
SHA1 1a9e1431a2caeac1b79179daae5b4fc3e01ff34c
SHA512 2c806c3b3b6594cf42c4c6cacd8b3c2985303c5a3f969da37c20500bb6a94f283c79aab759017d20f2060bcef1c9a5488b74d8b2cf441f560ab6fc36d6d0492f
SSDEEP 24576:rYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9ryzHFWP6LBc:rYREXSVMKi37PmBc
TLSH
T127657C027A91CFB1C54F1431C8A6A7FA9677AF40CE118BC7A3D8FE2D79721819636127
MD5 SHA1 SHA512 SSDEEP TLSH

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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

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240716015.bat

Path C:\Windows\SysWOW64\240716015.bat
Size 51KB
SHA256 6776322e46cc67c83857415f97e8c0f94e428ab5daec4275af53a5e6202b1d7d
MD5 f3736b1e672089afb5851db93010f8f2
SHA1 4d301d187b47dfe0a36c85d56f120082dc77e35d
SHA512 d38a0ecbfacf4d5ad40c6894c7953b657f9be6ce172b21b8f442d743ef07866a37e8f2598faec9d7834cf6354fd37fb595448cd5df44f320d83a5054c7930c12
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLEJYH5:1dWubF3n9S91BF3fboAJYH5
TLSH
T151333A02DE8D88F5F145177038AA33B6953ABDE036996A931F53DDA9C87B370F12D242
MD5 SHA1 SHA512 SSDEEP TLSH

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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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads