gh0strat | 1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb

General

Target

1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
Size

4.2MB
MD5

6e440bb3cee5b332c2f90ecd33ade1b1
SHA1

e55a94ea07a3ed3ff8d799434bed799712b23003
SHA256

1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb
SHA512

21c6f3c7d04c67f943216079e1065a0902c984de39f7ddb4028eb4ffd7c325ae7fad9f2287a63ce3e052fb4a06f3641136d39cf269ee77e9d987e4efa80a449a
SSDEEP

49152:fYREXSVMDi3zbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:g2SVMD8zbXsPN5kiQaZ56

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225d-6.dat	family_gh0strat

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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259401660.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
2096	look2.exe
2544	HD_1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
2568	svchcst.exe

Loads dropped DLL 6 IoCs

pid	Process
2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
2096	look2.exe
2896	svchost.exe
2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
2896	svchost.exe
2568	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259401660.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	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\Reader 9.0\Reader\AcroRd32.exe	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2096	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	28
PID 2064 wrote to memory of 2096	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	28
PID 2064 wrote to memory of 2096	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	28
PID 2064 wrote to memory of 2096	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	28
PID 2064 wrote to memory of 2544	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	31
PID 2064 wrote to memory of 2544	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	31
PID 2064 wrote to memory of 2544	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	31
PID 2064 wrote to memory of 2544	2064	1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe	31
PID 2896 wrote to memory of 2568	2896	svchost.exe	32
PID 2896 wrote to memory of 2568	2896	svchost.exe	32
PID 2896 wrote to memory of 2568	2896	svchost.exe	32
PID 2896 wrote to memory of 2568	2896	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
"C:\Users\Admin\AppData\Local\Temp\1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2096
- C:\Users\Admin\AppData\Local\Temp\HD_1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
  C:\Users\Admin\AppData\Local\Temp\HD_1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe
  2⤵
  - Executes dropped EXE
  PID:2544

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2900

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259401660.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.1MB

MD5
48defcde41a9c7cd2a2d13edbbf28ae0

SHA1
2d40ee439ad27e3f40e871848066e95758cd2ab3

SHA256
4b6ee6e6d98c82a93a6a49faffe0dce2aa066fa6b4e393dcad4a80989e4734c0

SHA512
39964fb03006fcedf5a73af40d297e6af82a0d1218dd21ac8b162d48af11f5bee146a352dad9b86a2fd6b9fb33a7db4842ec424074f965e0b91528e4ec468a37

Download Submit
\Users\Admin\AppData\Local\Temp\HD_1b8db4bff25dd1ee2ef9a4549fd3a3e37a70699637b9bdb6c3f022d43086eabb.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259401660.bat

Filesize
51KB

MD5
16d84e9c02a1cf1c35ab2f8da9eb72b4

SHA1
9fe2feb7ad4f785e07624efa4a2025c6bf4d0037

SHA256
89213b93a099e070ec05712c55f890e1d869dc2efed2dd961731282873fe5dbf

SHA512
85d3c5b4b1d1a4909294bb6d338d7184079b40f94c9fb184b4617d56458b1a140ad8012fc0c0bd7ec28eee38071b68d0fd668caaf291fc2e592579ae653f271d

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads