gh0strat | 659d646e41969c9875112e1454f2215989418e0586ccb19c7a7798b28b97a0e3

Analysis

max time kernel
151s
max time network
132s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 05:54

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General

Target

107890e6e27ae341ee36d8ec579093af.exe
Size

496KB
MD5

107890e6e27ae341ee36d8ec579093af
SHA1

246e40b90a30be736730c32ec27962454d8aad19
SHA256

659d646e41969c9875112e1454f2215989418e0586ccb19c7a7798b28b97a0e3
SHA512

8dbe5a6e477df35e1101aa218e2665dbc1f985c139063bdae0e6fe2f27ba5b4a9c688c349c7fde382a29abf0b76bd342a0fc51f4204541a0de576accbeac1b77
SSDEEP

12288:g08PKZVQQxfnr+TK7r79/J0NWNf37JcAayM5ahHjX:b8AVQQxfnr+TK7r79/J0ofrJEyM5ahDX

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000152bc-4.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
2292	(null)0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\107890e6e27ae341ee36d8ec579093af.exe"	107890e6e27ae341ee36d8ec579093af.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	107890e6e27ae341ee36d8ec579093af.exe
File opened for modification	\??\c:\Windows\BJ.exe	107890e6e27ae341ee36d8ec579093af.exe
File created	\??\c:\Windows\(null)0.exe	107890e6e27ae341ee36d8ec579093af.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2292	2504	107890e6e27ae341ee36d8ec579093af.exe	28
PID 2504 wrote to memory of 2292	2504	107890e6e27ae341ee36d8ec579093af.exe	28
PID 2504 wrote to memory of 2292	2504	107890e6e27ae341ee36d8ec579093af.exe	28
PID 2504 wrote to memory of 2292	2504	107890e6e27ae341ee36d8ec579093af.exe	28

C:\Users\Admin\AppData\Local\Temp\107890e6e27ae341ee36d8ec579093af.exe
"C:\Users\Admin\AppData\Local\Temp\107890e6e27ae341ee36d8ec579093af.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2504
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\(null)0.exe

Filesize
496KB

MD5
107890e6e27ae341ee36d8ec579093af

SHA1
246e40b90a30be736730c32ec27962454d8aad19

SHA256
659d646e41969c9875112e1454f2215989418e0586ccb19c7a7798b28b97a0e3

SHA512
8dbe5a6e477df35e1101aa218e2665dbc1f985c139063bdae0e6fe2f27ba5b4a9c688c349c7fde382a29abf0b76bd342a0fc51f4204541a0de576accbeac1b77

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads