gh0strat | e4b91fde036b5c2efb76ea32daedfb1b75121f742f6dc03487ac28c660703d95

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 23:40

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General

Target

JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe
Size

211KB
MD5

57ee6a1629af99a8dae4bea592922daa
SHA1

6c3cdb5de8ef2b7b9d1fc5f5b29264bed63495fb
SHA256

e4b91fde036b5c2efb76ea32daedfb1b75121f742f6dc03487ac28c660703d95
SHA512

c3b9f0208b28d0cb56d1ac9da717fbc9b14e3896b778e5dd07516e01cd80e99d4c42913f2ae1392a5b58012e71daecb5a2673dcd7bc40756755cae7da650175a
SSDEEP

6144:nGzRxSVtp0l6whGfsKR+zkBpTaa5tJHaiX:Gt0VPFfsKAkrbPljX

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2404-12-0x0000000000400000-0x00000000004F0000-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
Gh0strat family
gh0strat

Executes dropped EXE 1 IoCs

pid	Process
2404	(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\\JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe"	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1676-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x0008000000016de8-5.dat	upx
behavioral1/memory/1676-8-0x0000000002800000-0x00000000028F0000-memory.dmp	upx
behavioral1/memory/2404-12-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe
File created	\??\c:\Windows\BJ.exe	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe
File created	\??\c:\Windows\(null)0.exe	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	(null)0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2404	1676	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe	30
PID 1676 wrote to memory of 2404	1676	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe	30
PID 1676 wrote to memory of 2404	1676	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe	30
PID 1676 wrote to memory of 2404	1676	JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57ee6a1629af99a8dae4bea592922daa.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2404

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\(null)0.exe

Filesize
211KB

MD5
57ee6a1629af99a8dae4bea592922daa

SHA1
6c3cdb5de8ef2b7b9d1fc5f5b29264bed63495fb

SHA256
e4b91fde036b5c2efb76ea32daedfb1b75121f742f6dc03487ac28c660703d95

SHA512
c3b9f0208b28d0cb56d1ac9da717fbc9b14e3896b778e5dd07516e01cd80e99d4c42913f2ae1392a5b58012e71daecb5a2673dcd7bc40756755cae7da650175a

Download Submit
memory/1676-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1676-8-0x0000000002800000-0x00000000028F0000-memory.dmp

Filesize
960KB

Download
memory/1676-9-0x0000000002800000-0x00000000028F0000-memory.dmp

Filesize
960KB

Download
memory/2404-12-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads