gh0strat | 18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029

Analysis

max time kernel
245s
max time network
336s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 11:12

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General

Target

18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
Size

80KB
MD5

1e127144782bdc5dc35b52d8bc1f0662
SHA1

d30a1e183e02d1927de38e313dc67a82201e05a8
SHA256

18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029
SHA512

454c48cd2375132a742936428c02ed362dcfe981da5eaabd449fa1635bbe49b3717e6cb64d631bffe4657813e06b44af6473def01bee8bba74a9e37d617a10ee
SSDEEP

1536:sFz0LnC0atiq+9Cc73McaTBFb0bJ+oa/xrpnHTlyojsjxNe22JjIHM:sFz90hq+Yc7Hf4oa5r5sojsj+oM

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/540-57-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/540-61-0x0000000010000000-0x0000000010046000-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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\26178598 = "C:\\Windows\\26178598\\svchsot.exe"	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\26178598\svchsot.exe	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
File opened for modification	C:\Windows\26178598\svchsot.exe	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
Token: SeDebugPrivilege	540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1480	540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe	28
PID 540 wrote to memory of 1480	540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe	28
PID 540 wrote to memory of 1480	540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe	28
PID 540 wrote to memory of 1480	540	18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe	28
PID 1480 wrote to memory of 1304	1480	net.exe	30
PID 1480 wrote to memory of 1304	1480	net.exe	30
PID 1480 wrote to memory of 1304	1480	net.exe	30
PID 1480 wrote to memory of 1304	1480	net.exe	30

C:\Users\Admin\AppData\Local\Temp\18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe
"C:\Users\Admin\AppData\Local\Temp\18d7921b96a2a301b2a7be56ed9d8a46eebe26efb808211592f208c512c3e029.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\net.exe
  net start "Task Scheduler"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start "Task Scheduler"
    3⤵
    PID:1304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/540-54-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/540-55-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/540-57-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/540-61-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download