gh0strat | 41b695cdfa808a9e8f3ce312eb052f37b2f74309ede9f1a7aa24d0358c3997ee

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 00:43

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General

Target

41b695cdfa808a9e8f3ce312eb052f37b2f74309ede9f1a7aa24d0358c3997eeN.dll
Size

9.6MB
MD5

f9f71970809d08a12fa75e7b1d2e4170
SHA1

f43e3edf21203a711c81c4552db5ab4b2ca4ab74
SHA256

41b695cdfa808a9e8f3ce312eb052f37b2f74309ede9f1a7aa24d0358c3997ee
SHA512

df8c329ba0d48f464115a992838516d3d7b6cec71dc5f0ad9d07793044130944c960dd09fbc44dc09531e30375e91f362910efa4d5bd65bc475d5b4d8e5e903e
SSDEEP

24576:WsfcvEIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIQ:ow

Score

10^/10

gh0strat discovery rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
\??\c:\windows\filename.jpg	family_gh0strat
behavioral1/memory/2316-4-0x0000000010000000-0x000000001001F000-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
Drops file in Windows directory 2 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\FileName.jpg rundll32.exe
File created C:\Windows\FileName.jpg rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\FileName.jpg	rundll32.exe
File created	C:\Windows\FileName.jpg	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

rundll32.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

rundll32.exe

description	pid	process
Token: SeBackupPrivilege	2300	rundll32.exe
Token: SeRestorePrivilege	2300	rundll32.exe
Token: SeBackupPrivilege	2300	rundll32.exe
Token: SeRestorePrivilege	2300	rundll32.exe
Token: SeBackupPrivilege	2300	rundll32.exe
Token: SeRestorePrivilege	2300	rundll32.exe
Token: SeBackupPrivilege	2300	rundll32.exe
Token: SeRestorePrivilege	2300	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2096 wrote to memory of 2300	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2300	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2300	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2300	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2300	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2300	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2300	2096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41b695cdfa808a9e8f3ce312eb052f37b2f74309ede9f1a7aa24d0358c3997eeN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\41b695cdfa808a9e8f3ce312eb052f37b2f74309ede9f1a7aa24d0358c3997eeN.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2300

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k imgsvc
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2316

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

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Downloads

\??\c:\windows\filename.jpg

Filesize
19.4MB

MD5
b8be072a79e31187f5babfa52e07ca51

SHA1
e30d3997efaf59c2542e89360342f409f1b08957

SHA256
771a5b519915c197d4bcfea352446ac244371e59664e713215be6b55a4fd1cb4

SHA512
3df77a7a4aa2c30fe37cc76edfbc007a716b272412a039915862bd0c0e548869b96285847abafe2957965d061924f28484ab11ce633da7b5a2d4e84fbd84c5ab

Download Submit
memory/2316-4-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

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