gh0strat | a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:46

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General

Target

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
Size

80KB
MD5

205c8d68eead4a8c60eca61ca806029a
SHA1

e65f629b9533016321cba57d9de018df1623adcc
SHA256

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186
SHA512

2d10a6137dad1e5c7e3954b9c833d10a3a917e70b76082af46bbb258c372b93ef0a965286b5261237a56459961bf64354e020ff640f12089f507e1ec8d8fe629
SSDEEP

1536:MFz0LnC0atiq+9Cc73McaTBFb0bJ+oa/xrpnHTlyojsjxNe22JjIHMG:MFz90hq+Yc7Hf4oa5r5sojsj+oMG

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1572-134-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/1572-135-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/1572-138-0x0000000010000000-0x0000000010046000-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:

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\C740E044 = "C:\\Windows\\C740E044\\svchsot.exe"	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

Drops file in System32 directory 1 IoCs

Processes:

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Default a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
Runs net.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Default	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

pid	process
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

pid process

1572 a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

description pid process

Token: SeDebugPrivilege 1572 a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

description	pid	process
Token: SeDebugPrivilege	1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exenet.exe

description	pid	process	target process
PID 1572 wrote to memory of 4840	1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe	net.exe
PID 1572 wrote to memory of 4840	1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe	net.exe
PID 1572 wrote to memory of 4840	1572	a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe	net.exe
PID 4840 wrote to memory of 5076	4840	net.exe	net1.exe
PID 4840 wrote to memory of 5076	4840	net.exe	net1.exe
PID 4840 wrote to memory of 5076	4840	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.exe
"C:\Users\Admin\AppData\Local\Temp\a678aeed4ddd98a3beba9cfb030930d5dbc667b627e9b77c155e2bc000675186.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:1572

C:\Windows\SysWOW64\net.exe
net start "Task Scheduler"
2⤵
- Suspicious use of WriteProcessMemory
PID:4840

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start "Task Scheduler"
3⤵
PID:5076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1572-132-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1572-134-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1572-135-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1572-138-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/4840-136-0x0000000000000000-mapping.dmp

Download
memory/5076-137-0x0000000000000000-mapping.dmp

Download