gh0strat | 9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3

General

Target

9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe
Size

1.2MB
MD5

e6a4db504d48c2299997d668751caac3
SHA1

dc60b83d12e40941d0c97dc4047326fcdc1d7494
SHA256

9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3
SHA512

b942195ebc39dc112fbecd5680d4b44d1e6e865a03fb1f9ed70feae88adcb2a80ac16e2cec9ae6ea2fb946dbfca113f38240e97e522d5ae454fa2d8bdc4b49cb
SSDEEP

24576:JYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnFyzywTtf5Q:JYREXSVMDi3hwTtf5Q

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259398680.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\\259398680.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2320 look2.exe
2836 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exelook2.exesvchost.exesvchcst.exe

pid process

2128 9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe
2320 look2.exe
2056 svchost.exe
2056 svchost.exe
2836 svchcst.exe

pid	process
2320	look2.exe
2836	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259398680.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

Processes:

9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.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:

9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe

pid	process
2128	9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe
2128	9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exesvchost.exe

description	pid	process	target process
PID 2128 wrote to memory of 2320	2128	9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe	look2.exe
PID 2128 wrote to memory of 2320	2128	9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe	look2.exe
PID 2128 wrote to memory of 2320	2128	9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe	look2.exe
PID 2128 wrote to memory of 2320	2128	9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe	look2.exe
PID 2056 wrote to memory of 2836	2056	svchost.exe	svchcst.exe
PID 2056 wrote to memory of 2836	2056	svchost.exe	svchcst.exe
PID 2056 wrote to memory of 2836	2056	svchost.exe	svchcst.exe
PID 2056 wrote to memory of 2836	2056	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe
"C:\Users\Admin\AppData\Local\Temp\9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- 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:2320

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2488

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:2056
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259398680.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2836

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
1.2MB

MD5
e6a4db504d48c2299997d668751caac3

SHA1
dc60b83d12e40941d0c97dc4047326fcdc1d7494

SHA256
9ab254376616341171a9e16bdd9542816ba4ce219d491659f1183ff0ba894de3

SHA512
b942195ebc39dc112fbecd5680d4b44d1e6e865a03fb1f9ed70feae88adcb2a80ac16e2cec9ae6ea2fb946dbfca113f38240e97e522d5ae454fa2d8bdc4b49cb

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259398680.bat

Filesize
51KB

MD5
20a8800500cbfeb5fdd590375e0ce7ef

SHA1
fded891a2395a940fdb41ac292f4e6b641fc3770

SHA256
dcf5fb9d9cb0c603a7eadbda13d9e4dfebe571d4ea4eee1aad6704039aff1bb5

SHA512
26febe79bcdc87eeb3e8fb5b4b441b6a6e3539635ebf7b97e83e8ca658364d7fee3138eb60460e6799381aed2fd480a2cc953cd1fa439db3fb808d5e77723ff7

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