gh0strat | 3ab37222c0a5b77920c7f043a06543e7780ef2c05ed46aa5298e8112bf1f746e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 18:51

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General

Target

b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe
Size

232KB
MD5

b06b90167d120c7727035ec1add20ffd
SHA1

8e258a74441d6da7c35357dcb1a6c5731b7d222c
SHA256

3ab37222c0a5b77920c7f043a06543e7780ef2c05ed46aa5298e8112bf1f746e
SHA512

0f179371e80583a7291b10204941a2eb9410093004a609bf51fb4f1165caacc52bfb3e016ba9b24210be86594a6f176cdebbf04c164db0a1807b2af874964c25
SSDEEP

3072:sYaJKyTeTY1km5WBqwP3fspQ/Xz7iasXbyC/hX6xxv34Ut7LEwn:stJ3iTtiWB0mL7tyJ5Mp34O5n

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000018710-2.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
2056	Ywmkfd.exe

Loads dropped DLL 2 IoCs

pid	Process
1384	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe
1384	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.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\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ball = "C:\\WINDOWS\\Ball.exe"	Ywmkfd.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Ywmkfd.exe	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\Ball.exe	Ywmkfd.exe
File opened for modification	C:\WINDOWS\Ball.exe	Ywmkfd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ywmkfd.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2056	Ywmkfd.exe
2056	Ywmkfd.exe
2056	Ywmkfd.exe
2056	Ywmkfd.exe
2056	Ywmkfd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	Ywmkfd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 2056	1384	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe	31
PID 1384 wrote to memory of 2056	1384	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe	31
PID 1384 wrote to memory of 2056	1384	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe	31
PID 1384 wrote to memory of 2056	1384	b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b06b90167d120c7727035ec1add20ffd_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Windows\SysWOW64\Ywmkfd.exe
  "C:\Windows\System32\Ywmkfd.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2056

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\Ywmkfd.exe

Filesize
192KB

MD5
c2a57f4e8165aa73354fa9442ae93308

SHA1
597fcc2353cffd0e5e8275b7008ff9b0f072d25c

SHA256
44d07b4bd68e93ba085d6e3bd10488685ef8ccd25b744524a7cec123c1067279

SHA512
25816f9c3714367e206e48b44a824c93392f1b7b6f0539117acdcee8d4ce2fe3638a599e147f464388fdef449d9f00420d4fcedb82398b9947f527410fe58272

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