gh0strat | b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de

General

Target

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
Size

87KB
MD5

09680e8bd72737570d988c0bd416f62e
SHA1

e2cc81d9ddb663057aed8176c452ff01e4f6be9f
SHA256

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de
SHA512

33d53e84bcc38f42e928dc715b720f927e6366f80fe711abd8a47eb1558df06fab317b4217a721943192f09e5a272727fa30c3fa8bb5b2cfa481921b218a0cb0
SSDEEP

1536:jDIMiE5fnRXNuYxUrPpH8bT4+foao4t+p4UT4jfpNJEUb2thHxc9a:j0UTShcb7opsMnTWfH23xoa

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1236-136-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/1236-138-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/1236-137-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/1236-143-0x0000000010000000-0x0000000010046000-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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7B673E53 = "C:\\Windows\\7B673E53\\svchsot.exe"	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

Drops file in System32 directory 1 IoCs

Processes:

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Default b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
Runs net.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Default	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

pid	process
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

pid process

1236 b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

description pid process

Token: SeDebugPrivilege 1236 b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

description	pid	process
Token: SeDebugPrivilege	1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exenet.exe

description	pid	process	target process
PID 1236 wrote to memory of 3092	1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe	net.exe
PID 1236 wrote to memory of 3092	1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe	net.exe
PID 1236 wrote to memory of 3092	1236	b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe	net.exe
PID 3092 wrote to memory of 4924	3092	net.exe	net1.exe
PID 3092 wrote to memory of 4924	3092	net.exe	net1.exe
PID 3092 wrote to memory of 4924	3092	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe
"C:\Users\Admin\AppData\Local\Temp\b6b1a3da7e02d46483fa7db81258c82a8ebf9d32e20d89df02d9a7e49b7b08de.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\net.exe
  net start "Task Scheduler"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3092
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start "Task Scheduler"
    3⤵
    PID:4924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1236-132-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1236-133-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/1236-134-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1236-136-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1236-138-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1236-137-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1236-141-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1236-142-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/1236-143-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/3092-139-0x0000000000000000-mapping.dmp

Download
memory/4924-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads