gh0strat | 25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114

General

Target

25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe
Size

1.6MB
MD5

1fcea600b31caa6afe38f274dbc26fdd
SHA1

5f2306ae3943c7a73faef47660441d6ca071e13b
SHA256

25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114
SHA512

e29506855d461eeb3db0687862386df8eb9d2a60bd3414f1cba955a802a139254cbac4b6f275996e8e6efb4e10952192ac162d80c6da390a6c5e33eb9b007b4b
SSDEEP

24576:IYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9QyzHSy1x:IYREXSVMKi3ck

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0039000000015cc7-6.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

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\\259399460.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2420	look2.exe
2664	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
3068	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe
2420	look2.exe
2808	svchost.exe
2808	svchost.exe
2664	svchcst.exe

Drops file in System32 directory 4 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 opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259399460.bat	look2.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	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.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

pid	Process
3068	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe
3068	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2420	3068	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe	28
PID 3068 wrote to memory of 2420	3068	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe	28
PID 3068 wrote to memory of 2420	3068	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe	28
PID 3068 wrote to memory of 2420	3068	25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe	28
PID 2808 wrote to memory of 2664	2808	svchost.exe	31
PID 2808 wrote to memory of 2664	2808	svchost.exe	31
PID 2808 wrote to memory of 2664	2808	svchost.exe	31
PID 2808 wrote to memory of 2664	2808	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe
"C:\Users\Admin\AppData\Local\Temp\25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- 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
  PID:2420

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:2808
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259399460.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2664

Network

MITRE ATT&CK Enterprise v15

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.6MB

MD5
1fcea600b31caa6afe38f274dbc26fdd

SHA1
5f2306ae3943c7a73faef47660441d6ca071e13b

SHA256
25ac52feb32cb6a749e08972d5b0a686f8a1e674496c9147cb23bb6c3d095114

SHA512
e29506855d461eeb3db0687862386df8eb9d2a60bd3414f1cba955a802a139254cbac4b6f275996e8e6efb4e10952192ac162d80c6da390a6c5e33eb9b007b4b

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

Filesize
337KB

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
\Windows\SysWOW64\259399460.bat

Filesize
51KB

MD5
3a84d363f3f98d25de2e51dc7ce8cf84

SHA1
896cfc0b7c91d4a83ce713b516075f2199098f34

SHA256
f5a93cca2b5bf40f2e9ac73703d1e05a680a7823359d4e7fc986da9972a251d2

SHA512
f611a4d0338ae648ee99b1e340f431cc59571bc94bf7271e42c75159c7257329a7bf61cf21c0515044d697d1e4652d861e64e1c683b2e042716d11cb5bd181c4

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

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