gh0strat | fb05c7f91b54006325fda6f073f8b5d4f69eee1132f0c79b199318095cd271f2

Analysis

max time kernel
150s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 12:22

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General

Target

0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe
Size

537KB
MD5

0aa31d7f907b2524142f82786a0a0171
SHA1

47ffca837967d597104b11782723d1477b2056bf
SHA256

fb05c7f91b54006325fda6f073f8b5d4f69eee1132f0c79b199318095cd271f2
SHA512

910b9464d537403a5b62efd9f0271bc15da7a9192c02f799019ec2e3c90b060b27ab5bfc83510ddfc1041fd6229c9f8cfa517a79e58c6cf82d24aae54edf436f
SSDEEP

6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJH5WVVHANUTNNnJl3/B:jt0VPFfsKAkrbPl5uVHANUTNr

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1928-12-0x0000000000400000-0x00000000004F1000-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

Executes dropped EXE 1 IoCs

pid	Process
1928	(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\\0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe"	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1040-0-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/files/0x0008000000018dea-5.dat	upx
behavioral1/memory/1928-10-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/memory/1928-12-0x0000000000400000-0x00000000004F1000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe
File created	\??\c:\Windows\(null)0.exe	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.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	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.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 1040 wrote to memory of 1928	1040	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe	30
PID 1040 wrote to memory of 1928	1040	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe	30
PID 1040 wrote to memory of 1928	1040	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe	30
PID 1040 wrote to memory of 1928	1040	0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0aa31d7f907b2524142f82786a0a0171_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1928

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
537KB

MD5
0aa31d7f907b2524142f82786a0a0171

SHA1
47ffca837967d597104b11782723d1477b2056bf

SHA256
fb05c7f91b54006325fda6f073f8b5d4f69eee1132f0c79b199318095cd271f2

SHA512
910b9464d537403a5b62efd9f0271bc15da7a9192c02f799019ec2e3c90b060b27ab5bfc83510ddfc1041fd6229c9f8cfa517a79e58c6cf82d24aae54edf436f

Download Submit
memory/1040-0-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1040-8-0x00000000026F0000-0x00000000027E1000-memory.dmp

Filesize
964KB

Download
memory/1928-10-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1928-12-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads