gh0strat | fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85

General

Target
fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85.exe
Size 1.1MB
Sample260802-j983bswthw
SHA256 fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85
MD5 2793eb504e67daafa87aa1187fd355da
SHA1 d7397d9afdf9077bf7cafaf26725167ebe24d99d
SHA512 c122b6bb4761d549ea84ed9e7bfaec1bbe219d8e88ee0e24696a50f5a36d422c63c0b44deebcb3312c1cf1dfa48f9ec7e65493894712010d93282c3ffc02156c
SSDEEP 24576:2YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnIyzNH:2YREXSVMDi3pH
TLSH
T1D535B017BE9284F2C64515308CA76B76D6759F450F12CB8BA398FE2C7D32241D63B23A
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/0x000e00000001c531-6.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\\240718906.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2112	look2.exe
4620	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
2112	look2.exe
4792	svchost.exe
4620	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\240718906.bat	look2.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	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1936	fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85.exe
1936	fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2112	1936	fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85.exe	89
PID 4792 wrote to memory of 4620	4792	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85.exe
"C:\Users\Admin\AppData\Local\Temp\fa019f1214ca21fc04629d12f6fd794ab06f360f33ff2a88421c102c8fdfef85.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936
- 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:2112

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3272

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:4792
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240718906.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4620

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:1696

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

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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240718906.bat

Path C:\Windows\SysWOW64\240718906.bat
Size 51KB
SHA256 f3ea7d891241ff1fa958af949e850f88ec9872d8413f1830ae6e3041641ddee0
MD5 ac4fd5c2f40679f4e4613bdf5e0f162b
SHA1 043ef0c074cf7452a85de9148e7a305c9350b9bb
SHA512 4921f0e6bc25f253bae7a6f02b6a62a4c8f05eccf60a866bbb0b5e7edfaf83c3cd06d820b17dd31a552ef1c6408648851eb06162f219993e098fcffcae7a63fc
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoL2JYH5:1dWubF3n9S91BF3fboKJYH5
TLSH
T1D8333A02EE8D88F5F145177038AA33B6953ABDE036996A931F53DDA5C87B370F12D242
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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