gh0strat | 8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d

General

Target

8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
Size

4.6MB
MD5

26f0e9a2a8fdd3fc1427b16e56dae553
SHA1

f06a144e6a8486eb1484680c76c31eb61377527a
SHA256

8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d
SHA512

752496673e6bbe03ffe075c3497ce64f071f3c7a172a9e87cdaf94545ce53cbc06d4b77e295c89a8815d723cc96c21fc8b4fc9fa00fc2627f0d0883fbd2a273e
SSDEEP

49152:KYREXSVMKi3BsSgbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl2X:/2SVMK8BsSgbXsPN5kiQaZ56

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016d15-6.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
Gh0strat 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\\259437244.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
2548	look2.exe
852	HD_8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
2632	svchcst.exe

Loads dropped DLL 6 IoCs

pid	Process
2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
2548	look2.exe
2112	svchost.exe
2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
2112	svchost.exe
2632	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259437244.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	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.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	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2548	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	30
PID 2096 wrote to memory of 2548	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	30
PID 2096 wrote to memory of 2548	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	30
PID 2096 wrote to memory of 2548	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	30
PID 2096 wrote to memory of 852	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	33
PID 2096 wrote to memory of 852	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	33
PID 2096 wrote to memory of 852	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	33
PID 2096 wrote to memory of 852	2096	8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe	33
PID 2112 wrote to memory of 2632	2112	svchost.exe	34
PID 2112 wrote to memory of 2632	2112	svchost.exe	34
PID 2112 wrote to memory of 2632	2112	svchost.exe	34
PID 2112 wrote to memory of 2632	2112	svchost.exe	34

C:\Users\Admin\AppData\Local\Temp\8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
"C:\Users\Admin\AppData\Local\Temp\8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- 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:2548
- C:\Users\Admin\AppData\Local\Temp\HD_8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:852

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2092

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:2112
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259437244.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2632

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
1.5MB

MD5
3252d8dd08aefff371c6c41e744304ff

SHA1
1245b706b8da09e6ce97dc2d187e596ec5bf6088

SHA256
cdafa75d27565e5acba5e8d2529b117c2c727f388b94ea4ac93e24b817fa9dd7

SHA512
a1629205eb087f0a237b2c12dc4b026473baa29ce70f4ca518143436bcc978834bb6f9e8268ccd3ee515ca8239c3103dbcf3868798471cdbe7e5aecb63a0be4e

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

Filesize
337KB

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
\Users\Admin\AppData\Local\Temp\HD_8f2db3d93c15b857d319b48019a1ff269a0dfd05548d68bdeca611254626718d.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

Download Submit
\Windows\SysWOW64\259437244.bat

Filesize
51KB

MD5
b524dd50cd9247791d1ec19081f1c3ee

SHA1
3249fbf2f787bca9a93c2f57ea450708c10139cc

SHA256
c08ff3d6297cd75b8a794fae61db093ad5f34312a402556f500a2f4a6777b30f

SHA512
58ce814a38ea4a648e9871f814976459175a9fd066fd76fd8ba802a7dbf6d72701871a465268613772753add96129c3a50eba96e406c89d4c8ed399a572fb442

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

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