gh0strat | a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 21:12

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General

Target

a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
Size

790KB
MD5

938f5ee5e3777f00da37c7469b97a9e7
SHA1

1cb9c94fd022a32ccfb5ae57b78f6d26ec6db754
SHA256

a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450
SHA512

ecdcdcd1606c64e45ab5501b5c17741343beae6d239bdb08761e3a8950edd3dfd59b955e3d7be7295c309796a6eaf6d54ed5c0bd91cce7511eebc4bb0d2163cd
SSDEEP

12288:iM5jZKbBL3aKHx5r+TuxX+fWbwFBfdGmZv:iM5j8Z3aKHx5r+TuxX+IwffFZv

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0002000000022e07-133.dat	family_gh0strat
behavioral2/files/0x0002000000022e07-134.dat	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

Executes dropped EXE 1 IoCs

pid	Process
4896	svchest432048043204801465662051.exe

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	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "c:\\Windows\\notepab.exe"	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File opened for modification	\??\c:\Windows\BJ.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File created	\??\c:\Windows\svchest432048043204801465662051.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File opened for modification	\??\c:\Windows\svchest432048043204801465662051.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File created	\??\c:\Windows\notepab.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 4896	4848	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe	80
PID 4848 wrote to memory of 4896	4848	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe	80
PID 4848 wrote to memory of 4896	4848	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe	80

C:\Users\Admin\AppData\Local\Temp\a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
"C:\Users\Admin\AppData\Local\Temp\a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4848
- \??\c:\Windows\svchest432048043204801465662051.exe
  c:\Windows\svchest432048043204801465662051.exe
  2⤵
  - Executes dropped EXE
  PID:4896

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

Replay Monitor

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Downloads

C:\Windows\svchest432048043204801465662051.exe

Filesize
790KB

MD5
938f5ee5e3777f00da37c7469b97a9e7

SHA1
1cb9c94fd022a32ccfb5ae57b78f6d26ec6db754

SHA256
a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450

SHA512
ecdcdcd1606c64e45ab5501b5c17741343beae6d239bdb08761e3a8950edd3dfd59b955e3d7be7295c309796a6eaf6d54ed5c0bd91cce7511eebc4bb0d2163cd

Download Submit
\??\c:\Windows\svchest432048043204801465662051.exe

Filesize
790KB

MD5
938f5ee5e3777f00da37c7469b97a9e7

SHA1
1cb9c94fd022a32ccfb5ae57b78f6d26ec6db754

SHA256
a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450

SHA512
ecdcdcd1606c64e45ab5501b5c17741343beae6d239bdb08761e3a8950edd3dfd59b955e3d7be7295c309796a6eaf6d54ed5c0bd91cce7511eebc4bb0d2163cd

Download Submit