gh0strat | c858e10e29b769ca86445ba1bebdf708e88245da4e96c4afc967818e8293e099

Resubmissions

02-01-2025 21:33

250102-1ejbvswpcv 10

08-12-2024 01:12

241208-bkq68azkep 10

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 21:33

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General

Target

bj.exe
Size

378KB
MD5

a770ebf2e59e29c7460a01241a0a493f
SHA1

97e59e483e1fa524a305828157a50203e918ada9
SHA256

ca89debe5dff34c2e2f56875d7dcde5e47565329d3aeb2f2f4a6a3e2248fe664
SHA512

4cf99a862fc6e2299e33113bb757dd31a0543c5b5716146de2051fbabe86a122e895a8ced9d4f2290ae82dd9f6093dc883abcb2a6747caa90e8fd46e061f6140
SSDEEP

6144:WsItKnWUQpBTyPRqyhYPbncTBlhHrbndnkv0oX90wRudOl1YTSgux1p2iPtGZ5da:btWUzJq8YPbncT3+bRHfYTSgS21NPE+S

Score

10^/10

gh0strat discovery rat

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral8/memory/2140-0-0x0000000000400000-0x0000000000432800-memory.dmp	family_gh0strat
behavioral8/files/0x0008000000023c5c-11.dat	family_gh0strat
behavioral8/memory/540-14-0x0000000000400000-0x0000000000432800-memory.dmp	family_gh0strat
behavioral8/memory/2140-17-0x0000000000400000-0x0000000000432800-memory.dmp	family_gh0strat
behavioral8/memory/540-24-0x0000000000400000-0x0000000000432800-memory.dmp	family_gh0strat
behavioral8/files/0x0009000000023c5d-27.dat	family_gh0strat
behavioral8/memory/540-31-0x0000000000400000-0x0000000000432800-memory.dmp	family_gh0strat
behavioral8/memory/1752-34-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral8/memory/1084-39-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral8/memory/1928-44-0x0000000020000000-0x0000000020027000-memory.dmp	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

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral8/files/0x000400000001e432-4.dat	acprotect

Deletes itself 1 IoCs

pid	Process
540	buoxjyikjk

Executes dropped EXE 1 IoCs

pid	Process
540	buoxjyikjk

Loads dropped DLL 7 IoCs

pid	Process
2140	bj.exe
2140	bj.exe
540	buoxjyikjk
540	buoxjyikjk
1752	svchost.exe
1084	svchost.exe
1928	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchost.exe.txt	svchost.exe
File created	C:\Windows\SysWOW64\xnuefwloye	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchost.exe.txt	svchost.exe
File created	C:\Windows\SysWOW64\xvixnaommy	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchost.exe.txt	svchost.exe
File created	C:\Windows\SysWOW64\xfglwtjrmi	svchost.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4840	1752	WerFault.exe	83
1028	1084	WerFault.exe	87
2928	1928	WerFault.exe	90

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	buoxjyikjk
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bj.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
540	buoxjyikjk
540	buoxjyikjk

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeRestorePrivilege	540	buoxjyikjk
Token: SeBackupPrivilege	540	buoxjyikjk
Token: SeBackupPrivilege	540	buoxjyikjk
Token: SeRestorePrivilege	540	buoxjyikjk
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeRestorePrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeSecurityPrivilege	1752	svchost.exe
Token: SeSecurityPrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeSecurityPrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeSecurityPrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1752	svchost.exe
Token: SeRestorePrivilege	1752	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeRestorePrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeSecurityPrivilege	1084	svchost.exe
Token: SeSecurityPrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeSecurityPrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeSecurityPrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1084	svchost.exe
Token: SeRestorePrivilege	1084	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeRestorePrivilege	1928	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeSecurityPrivilege	1928	svchost.exe
Token: SeSecurityPrivilege	1928	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeSecurityPrivilege	1928	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeSecurityPrivilege	1928	svchost.exe
Token: SeBackupPrivilege	1928	svchost.exe
Token: SeRestorePrivilege	1928	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2140	bj.exe
540	buoxjyikjk

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 540	2140	bj.exe	82
PID 2140 wrote to memory of 540	2140	bj.exe	82
PID 2140 wrote to memory of 540	2140	bj.exe	82

C:\Users\Admin\AppData\Local\Temp\bj.exe
"C:\Users\Admin\AppData\Local\Temp\bj.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140
- \??\c:\users\admin\appdata\local\buoxjyikjk
  "C:\Users\Admin\AppData\Local\Temp\bj.exe" a -sc:\users\admin\appdata\local\temp\bj.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:540

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 1084
  2⤵
  - Program crash
  PID:4840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1752 -ip 1752
1⤵
PID:2204

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 944
  2⤵
  - Program crash
  PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1084 -ip 1084
1⤵
PID:4144

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 1084
  2⤵
  - Program crash
  PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1928 -ip 1928
1⤵
PID:2072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\zni8AFA.tmp

Filesize
172KB

MD5
4f407b29d53e9eb54e22d096fce82aa7

SHA1
a4ee25b066cac19ff679dd491f5791652bb71185

SHA256
cf0ecf30fc95800a34105acb9bcb484bb594a35b3ef26ace8f122af4f9f888dc

SHA512
325f7b599455195101e4c0dafd3654906d20ed2c1ce2a5f38784635e16ab545df6ee44a83bed6128239be2dee5be110552c7b246b7f52482ab31552e14b54183

Download Submit
C:\Users\Admin\AppData\Local\buoxjyikjk

Filesize
21.4MB

MD5
2f04122dd214ddff23e5cbe76ba0186d

SHA1
266970c9170cecc9d623e441eacfc7612e5f99eb

SHA256
7706db21b382c8c4756f80bcf5e010fc158601a27cdd179602772165b39f78c5

SHA512
ef464b9613ee6e36457bded4e11fd88c73701937ce4a27f0e09c41d941ed578342e9d22a3b39453f7c4eae2783f1ecadf3010f97076f6c85a2b8f41736feda45

Download Submit
C:\Windows\SysWOW64\svchost.exe.txt

Filesize
202B

MD5
1917c8e9feff36637b1546a5f10b1517

SHA1
5bba1fee0270550adff86225c8c8fc4114029e13

SHA256
083b7025a40bfcfa9262bb2618c373fbd0fbfc8cf762ae52b671db5fcc0c1ffd

SHA512
a25ffab385c3ea416524df36b4cf476882cf30a53e388f670879989c32fc7d2d118d9f1fba9d183a5e89f76838da492fdd064bf22f3f8d2f43b44f7522b92d2f

Download Submit
C:\Windows\SysWOW64\svchost.exe.txt

Filesize
303B

MD5
8aa78d2f994811b49745f56f3b3c0044

SHA1
3cbe74b997e35d09393501bffafc1933c5f41b38

SHA256
9c93243e7c17c074e9d576755fa6fdce4176fdacca1c92cfc7730558d049627c

SHA512
893aa75dbc69cb33aaab2742ec6019caba4dde3df2811eebf42e62080a656df9e909e1b94b1fcb88e0423f760457e21018cfb27b03e64fec74719ee0ad48bbae

Download Submit
\??\c:\programdata\drm\%sessionname%\trddq.cc3

Filesize
24.0MB

MD5
50ad15c03e0627042ef410ae87cd4b4c

SHA1
40ba9eaa7b1f251188ee1604a29b5dfc6efca27a

SHA256
47299aefeea3dd6b3354cca2e108b573dc9f4e5b1baedcbe4e8680bbb9eb143a

SHA512
4e89ac250b7b243145452b10e9eda4b84198cab2f61bd385db6790c6153751efdd7396eecc65be510e0a8ae20187e41dbad8efeb8885990fad86ecd9f86d6d84

Download Submit
memory/540-14-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download
memory/540-30-0x0000000002050000-0x00000000020C4000-memory.dmp

Filesize
464KB

Download
memory/540-23-0x0000000002050000-0x00000000020C4000-memory.dmp

Filesize
464KB

Download
memory/540-31-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download
memory/540-24-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download
memory/1084-36-0x0000000001DF0000-0x0000000001DF1000-memory.dmp

Filesize
4KB

Download
memory/1084-39-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/1752-32-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/1752-34-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/1928-41-0x0000000001D90000-0x0000000001D91000-memory.dmp

Filesize
4KB

Download
memory/1928-44-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2140-0-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download
memory/2140-16-0x00000000004B0000-0x0000000000524000-memory.dmp

Filesize
464KB

Download
memory/2140-17-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download
memory/2140-8-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2140-6-0x00000000004B0000-0x0000000000524000-memory.dmp

Filesize
464KB

Download