gh0strat | 48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a

General

Target

48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe
Size

1.5MB
MD5

f0a033681b84753391f9bba21207b711
SHA1

12486c0480db64cc6eefd4bd278a4f57ae401721
SHA256

48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a
SHA512

056d666aa75313af3c5ed1f26423c4816ee5489a556e786eda29499021c712b961cc614d2e37e4af16f9e80fc6661bf6a0975c32061a0a5fb19c2db318e89de9
SSDEEP

24576:5YFbkIsaPiXSVnC7Yp9zkNmZG8RRln6yzX:5YREXSVMDi3x

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259393938.bat	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

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259393938.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

3024 look2.exe
2720 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exelook2.exesvchost.exesvchcst.exe

pid process

2456 48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe
3024 look2.exe
2144 svchost.exe
2144 svchost.exe
2720 svchcst.exe

pid	process
3024	look2.exe
2720	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259393938.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

Processes:

48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe

pid	process
2456	48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe
2456	48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exesvchost.exe

description	pid	process	target process
PID 2456 wrote to memory of 3024	2456	48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe	look2.exe
PID 2456 wrote to memory of 3024	2456	48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe	look2.exe
PID 2456 wrote to memory of 3024	2456	48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe	look2.exe
PID 2456 wrote to memory of 3024	2456	48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe	look2.exe
PID 2144 wrote to memory of 2720	2144	svchost.exe	svchcst.exe
PID 2144 wrote to memory of 2720	2144	svchost.exe	svchcst.exe
PID 2144 wrote to memory of 2720	2144	svchost.exe	svchcst.exe
PID 2144 wrote to memory of 2720	2144	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe
"C:\Users\Admin\AppData\Local\Temp\48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2456

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:3024

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:800

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:2144

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259393938.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2720

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
1.5MB

MD5
f0a033681b84753391f9bba21207b711

SHA1
12486c0480db64cc6eefd4bd278a4f57ae401721

SHA256
48b2bfd8538de2136e7c93ad10a9532f0f81530f2230ba58aca8f714b721932a

SHA512
056d666aa75313af3c5ed1f26423c4816ee5489a556e786eda29499021c712b961cc614d2e37e4af16f9e80fc6661bf6a0975c32061a0a5fb19c2db318e89de9

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259393938.bat

Filesize
51KB

MD5
2b3c4f584dd9f6cc4d81fc74a472d9de

SHA1
180a8017d34d7aec9492484b9b3a84e53751ed24

SHA256
ba1c3aeafcdd4ff2945adee4ec50c4666d0d618de6bf0a5f64539ea55299e06f

SHA512
aa108dbe4fc8e7ebc70e21b4788aa33ea04d35eb813309284ad1ae62079a59a4aabd678ecde3e7c88cae3c1dae416f3dc5cf11469546810a8f54eeea4662a460

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