gh0strat | 8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b

General

Target
8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
Size 4.8MB
Sample261007-e67b4sssfy
SHA256 8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b
MD5 0c045964c8ff04cd314a136baaf68649
SHA1 bbaddbf013af3312910983ba31dbc47161c013f6
SHA512 f2a1c40d4c001f4f9c223b33e7b09f1da7b58362b97a00e9d96624869b5d60863706bb43615aa0ecc0e0328303b58e0b3ca12e15f73e3514c92d136abd21b348
SSDEEP 49152:XYREXSVMKi3A4bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:I2SVMK8A4bXsPN5kiQaZ56
TLSH
T15F367E2166D4CFE1D06F1070DC66BAF5912BAD20CF654FCBAA807F1BB530592AA3161F
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/0x000e00000001c490-6.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\\240739062.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
1776	look2.exe
2944	HD_8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
2536	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
1776	look2.exe
264	svchost.exe
2536	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240739062.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	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe

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

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	svchcst.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	svchcst.exe

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	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5028	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
5028	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5028	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
5028	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 1776	5028	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe	88
PID 5028 wrote to memory of 2944	5028	8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe	92
PID 264 wrote to memory of 2536	264	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
"C:\Users\Admin\AppData\Local\Temp\8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.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:5028
- 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:1776
- C:\Users\Admin\AppData\Local\Temp\HD_8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
  C:\Users\Admin\AppData\Local\Temp\HD_8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2944

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3708

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:264
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240739062.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  PID:2536

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:4500

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

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

HD_8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_8b94ad8fe11b5413ab623594fdc5555a801ce49e3b414acbf2098fed4f479b0b.exe
Size 3.1MB
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
SSDEEP 49152:0bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLhp:0bXsPN5kiQaZ56
TLSH
T14BE5802126D4CFE1D46F20B0DD66BAF6512BAD24CF564FCB6D803E1A35305D2AA31A1F
MD5 SHA1 SHA512 SSDEEP TLSH

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RCX6548.tmp

Path C:\Users\Admin\AppData\Local\Temp\RCX6548.tmp
Size 1.7MB
SHA256 8e09d76f82d73d9473f24d9ac0d283123182a7ba96a220e0f910ef89bf102f65
MD5 ea6681885fe1f3862b1620c7ffa7477c
SHA1 e8a93cd9cca6bc702ca6c98da12b2c3775c73889
SHA512 002bd622f4ef067705caf49d2df79aeb1af62b2806c2f6c5948de3efa8bce883cbca44093e29fb3b470206363e2d6bbca563afb57d0eebd196acd424600b6853
SSDEEP 24576:XYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9OyzoQGG:XYREXSVMKi30G
TLSH
T1AA85C34A674044BBD5602571849E7B7541AC2EBC2E32CBA7FA54BF07F9327C2A13353A
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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240739062.bat

Path C:\Windows\SysWOW64\240739062.bat
Size 51KB
SHA256 dde1cc1a6697c8dabf340c92db53976f31475435aa9b6d04e19caa103cb18038
MD5 590d9ac3059a8f0d4549290680d0cc44
SHA1 685d3ad417cb079d912bb4d64cabc733a2a8acf2
SHA512 c332a5f898f376a56bba28a82327335912fb538129e0a4a98b5ab8c886c86a72925482152b10361691dc04a44ef70dc07cb92bbdd4c8b62ad6df8a10e7cb4da7
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLMJYH5:1dWubF3n9S91BF3fbogJYH5
TLSH
T136333A02DE8D88F5F145177038AA33B6953ABDE036996A931F53DDA9C87B370F12D242
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

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads