gh0strat | c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1

General

Target
c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
Size 4.4MB
Sample260803-qk2ehsab23
SHA256 c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1
MD5 2b5c96526e56f6f0f3bf6fbd5a53c7de
SHA1 92854aaefa5ac214eabd5e733996a5e074fa9d5a
SHA512 16014dbe0fbbe93bec91e24b41d4a6deeabb58ef56ba2894b7b88ed1ec62a311043f5b7bc0107434d24203c977cda351079e0b4ac070735ccadabba02a7434a9
SSDEEP 49152:XYREXSVMDi3BxsbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27z:I2SVMD8jsbXsPN5kiQaZ56
TLSH
T12826D32166D5CFE1D46F1070DC66BAF6812BAD20CF564FCB6E807E1A35305D2AA31A1F
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/0x000d00000001c498-6.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\\240703375.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
4940	look2.exe
1060	HD_c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
2544	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
4940	look2.exe
1496	svchost.exe
2544	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240703375.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	c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.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_c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1272	c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
1272	c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1272	c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
1272	c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 4940	1272	c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe	89
PID 1272 wrote to memory of 1060	1272	c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe	93
PID 1496 wrote to memory of 2544	1496	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
"C:\Users\Admin\AppData\Local\Temp\c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1272
- 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:4940
- C:\Users\Admin\AppData\Local\Temp\HD_c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1060

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2852

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:1496
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240703375.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2544

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:1752

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_c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_c1d7d0817e4e0afd26f5b5e9f4bde39958756f19f785d6c44215a82a180794b1.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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240703375.bat

Path C:\Windows\SysWOW64\240703375.bat
Size 51KB
SHA256 ca99c552ac98ec8a084650a61c05e9a22505b718a91fc475d2ea4bc14a5bbea4
MD5 ed1cebfdb435beeb95598f3cbc8fefe6
SHA1 86af2c9059e5861f0988628a0c6292793bf9dada
SHA512 bd6f2751a4307763d313dde71c568e201707f76e0633433363b0d2d1744a0d13d9a192ffd3b3a7326667b7b5e1ebc0aa3408be46f727990f3ab3d8a00cdb3e07
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLjJYH5:1dWubF3n9S91BF3fbo3JYH5
TLSH
T1B2333A02DE8D88F5F145177038AA33B6953ABDE036996A931F53DDA5C87B370F12D242
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