gh0strat | 5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6

General

Target
5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.exe
Size 1.6MB
Sample260804-2qd2ysfl3v
SHA256 5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6
MD5 b0e9ece866707e24efdf6d141cd2bb4e
SHA1 e9c8b0620f04e6c80c53c839fc96f5112b9b2523
SHA512 fdc27d59de020971e3949a0e591b0fc9da6bc86f5ffbfb277d51512560992e51df80ef6a2f774148598ea6b2ab414172d7e1b0933beadc5bfe75dd1df801f204
SSDEEP 24576:TYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnByzEuZfjQQQQ/1A+:TYREXSVMDi3nojQQQQ/C+
TLSH
T1B675AF52BE81C4F2D305583088F6DF7685B5AF740E128647A3E9FE3D6A32351AD36236
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/0x000d00000001c5b9-6.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\\240725156.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2052	look2.exe
428	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
2052	look2.exe
4816	svchost.exe
428	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240725156.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	5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.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	5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.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	svchcst.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3352	5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.exe
3352	5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 2052	3352	5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.exe	89
PID 4816 wrote to memory of 428	4816	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.exe
"C:\Users\Admin\AppData\Local\Temp\5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3352
- 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:2052

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:4204

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:4816
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240725156.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:428

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:3440

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 1.6MB
SHA256 5833c0a856514f150e4cb0a2d271aafc95b406466c7a838d36ea4ce4490a2ed6
MD5 b0e9ece866707e24efdf6d141cd2bb4e
SHA1 e9c8b0620f04e6c80c53c839fc96f5112b9b2523
SHA512 fdc27d59de020971e3949a0e591b0fc9da6bc86f5ffbfb277d51512560992e51df80ef6a2f774148598ea6b2ab414172d7e1b0933beadc5bfe75dd1df801f204
SSDEEP 24576:TYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnByzEuZfjQQQQ/1A+:TYREXSVMDi3nojQQQQ/C+
TLSH
T1B675AF52BE81C4F2D305583088F6DF7685B5AF740E128647A3E9FE3D6A32351AD36236
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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240725156.bat

Path C:\Windows\SysWOW64\240725156.bat
Size 51KB
SHA256 22285dfafc0cd60158796a7bbc05690f63824e3d5ea4558494d31de26e2abeec
MD5 69d87f3d9a8b8efe0ec504565b45a4d7
SHA1 16b4b9b6016bd1b43f374477430d5ff99cf5a303
SHA512 c0b7a9d2917f3f6330f6145a815f9228c96f18b3f1dd7913656df8dc20f552f284772dbb3aa95c261cf0008638352c5c0f129edacef9b8d52a1e1d9df5a1aa5c
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoL7JYH5:1dWubF3n9S91BF3fboXJYH5
TLSH
T184333A02EE8D88F5F145177038AA33B6953ABDE036996A931F53DDA5C87B370F12D242
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