619367ca7d99de1d709203ddd69680af8c0ce92d0321109be1637a582265ec24

Analysis

max time kernel
149s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 09:44

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General

Target

f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe
Size

53KB
MD5

f57da6772d9eb4ce2d0e3ce32b1f8b35
SHA1

c771fe48c73901a9f02088179e91e68a3a3feffb
SHA256

619367ca7d99de1d709203ddd69680af8c0ce92d0321109be1637a582265ec24
SHA512

5076a379f44c367749578201c0765016b80f98d0c6431ad8626924891ff1d2d7fadd82958654c8db4e128d75789903f08b9a9eb359e18da2ca72ed54e4773385
SSDEEP

1536:jWkPNwJUwe36dNrB1DgHWEyaXK5dzkoerFiXW4I:KmwOwpFkH8nzk7YXW4I

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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\braviax = "C:\\Windows\\system32\\braviax.exe"	f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\braviax.exe	f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 4764	1716	f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe	84
PID 1716 wrote to memory of 4764	1716	f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe	84
PID 1716 wrote to memory of 4764	1716	f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f57da6772d9eb4ce2d0e3ce32b1f8b35_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
  2⤵
  PID:4764

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\delself.bat

Filesize
230B

MD5
1aa4c9f6bc824ff4672ec1ac5f730498

SHA1
6fbf14f457802fd35bb3305a434a5f85beb4ab94

SHA256
590f1b79017682ab8edd02a57c44ab7715aa1272897b3a6dde79e010597b523c

SHA512
bd671cf37eabe6a0aa72dda795c77f6b067a3e7f1ac3240c26c1f6713397f0ffa711ffe24ae5b2812a92c6e57756b37be0b1361998c8a73ce829717d696abfa2

Download Submit
memory/1716-0-0x0000000000490000-0x000000000049D000-memory.dmp

Filesize
52KB

Download
memory/1716-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads