gh0strat | fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302

General

Target
fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
Size 4.5MB
Sample260731-14nymshd49
SHA256 fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302
MD5 c2d5d73432f02e53bf86cc666b68b4af
SHA1 6f2c387838c39248f545abfc54f233b3e2b355ef
SHA512 6341e8f92fffb5909bfc8745cfaefe256b8323c386153aabc9c5aceb7de2678976783da4a9b891038ed50db15bb1284977d45efc23a50c9bc6b81747e07b0d4b
SSDEEP 49152:ZYREXSVMDi3PAbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:G2SVMD84bXsPN5kiQaZ56
TLSH
T1FB26C22166D4CFE1D46F1070DC66BAF6912BAE20CF554FCB6E80BE1A35305D2AA3161F
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/0x000e00000001c516-6.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\\240717078.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
8	look2.exe
1356	HD_fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
4644	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
8	look2.exe
1840	svchost.exe
4644	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240717078.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.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	fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.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_fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2160	fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
2160	fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2160	fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
2160	fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 8	2160	fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe	89
PID 2160 wrote to memory of 1356	2160	fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe	92
PID 1840 wrote to memory of 4644	1840	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
"C:\Users\Admin\AppData\Local\Temp\fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160
- 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:8
- C:\Users\Admin\AppData\Local\Temp\HD_fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1356

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:5980

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:1840
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240717078.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4644

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:760

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_fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_fa584028666c1ab0fd4c3fe7adf7ea8755cef37e17384fdc440a4634ca988302.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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look2.exe

Path C:\Users\Admin\AppData\Local\Temp\look2.exe
Size 337KB
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
SSDEEP 6144:8IXwWcHnNmZEvB7csAPRZyfQjCfA3lMXm4Y+5bFnWBFopJOU:8IXwDNmZEvJcscRZzjCI1O5W
TLSH
T1B474BF137FE4C8B6C59351324EE25F7AA1F6FE902E224A4333956F0CDD32691963A316
MD5 SHA1 SHA512 SSDEEP TLSH

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240717078.bat

Path C:\Windows\SysWOW64\240717078.bat
Size 51KB
SHA256 4661f7b088966014ae4e3980c26f1074f3fd0ad4ac8780311c300aabc04b846f
MD5 8edf2ee86b12305eab709181bbfb7a16
SHA1 23f6734a933cccc82e87d8bfbe8bee463865df36
SHA512 8197af4ee76f1c752d5ffec6892d29cda18dce6fd1f451b05a8ed066a1ea60e0e4842f7c00170007e3f93cef8b94c4baaec79753a6664c78e36538fb3b619e24
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLoJYH5:1dWubF3n9S91BF3fboEJYH5
TLSH
T190333A02DE8D88F5F145177038AA33B6953ABDE036996A931F53DDA5C87B370F12D242
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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads