gh0strat | 43731fb112bf42f9002493ea76a1e09fab70d7b99a58324a5ba97e1b39c3ff4e

Analysis

max time kernel
134s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 21:19

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General

Target

43731fb112bf42f9002493ea76a1e09fab70d7b99a58324a5ba97e1b39c3ff4e.dll
Size

114KB
MD5

568ded92a61a9e9e06ef64ae45b5aa91
SHA1

e4e6c65310a4b3a6cc0059d6f9766e6c1689d846
SHA256

43731fb112bf42f9002493ea76a1e09fab70d7b99a58324a5ba97e1b39c3ff4e
SHA512

f84d008f812c5f607022729291336d06bd01a5b89a02a8e61e7ccffa6dd116015038b6c32843326de9ca2fdd94c6d329ac3e15fe65e8ad546018abf8e3d76592
SSDEEP

1536:Vkj5Rr5V0fYzLyucPyxXbfOP52ckj5Rr5V0fYzLukj5Rr5V0fYzLj:A5RfzI+zUYf5Rfz95Rfzn

Score

10^/10

gh0strat discovery rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/3988-2-0x0000000010000000-0x0000000010011000-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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3988-0-0x0000000010000000-0x0000000010011000-memory.dmp	upx
behavioral2/memory/3988-2-0x0000000010000000-0x0000000010011000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3780	3988	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 3988	1860	rundll32.exe	84
PID 1860 wrote to memory of 3988	1860	rundll32.exe	84
PID 1860 wrote to memory of 3988	1860	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\43731fb112bf42f9002493ea76a1e09fab70d7b99a58324a5ba97e1b39c3ff4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\43731fb112bf42f9002493ea76a1e09fab70d7b99a58324a5ba97e1b39c3ff4e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 652
    3⤵
    - Program crash
    PID:3780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3988 -ip 3988
1⤵
PID:1004

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

Replay Monitor

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Downloads

memory/3988-0-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/3988-2-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download