b12f2000d3f1dfaa1f0372ab36ac1edf7743fe879c82f9009f5821225ee4897d

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 00:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
Size

55KB
MD5

b9a81478c33603bd3b8154ace1dec634
SHA1

3a1409a7ceca2c69fd7a356728d10817ed23245f
SHA256

b12f2000d3f1dfaa1f0372ab36ac1edf7743fe879c82f9009f5821225ee4897d
SHA512

8b7d9bae301cce42b34cdfc677934b43c6f93717b3a6770d4a07bc9d2bc7e775f1bf2cfe78e1d3b36bef05690fb35039da63312210ca24e4d96a5842fd6843b0
SSDEEP

768:Wc648rcDTCuajJ366d1S+lQFvv1YoOMNgbZpuNMrY7JsaeIwDJ8UJJk:WHuajJ366fcYoEtObeaIU

Score

7^/10

discovery

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4676	B9A814~1.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\w32_systm.exe	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
File created	C:\Windows\w32_sysbm.bat	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.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 3 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	B9A814~1.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4676	B9A814~1.EXE
4676	B9A814~1.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1924	1120	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe	84
PID 1120 wrote to memory of 1924	1120	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe	84
PID 1120 wrote to memory of 1924	1120	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe	84
PID 1924 wrote to memory of 4676	1924	cmd.exe	86
PID 1924 wrote to memory of 4676	1924	cmd.exe	86
PID 1924 wrote to memory of 4676	1924	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\w32_sysbm.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Users\Admin\AppData\Local\Temp\B9A814~1.EXE
    C:\Users\Admin\AppData\Local\Temp\B9A814~1.EXE
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\w32_sysbm.bat

Filesize
2KB

MD5
fb2c65a9bf6dfc2255229aa5aa2e8995

SHA1
11d09bff6fba5537e7e7fb575a33544aadfa2cb8

SHA256
2ca7d85d41ae077a36533c0498c9a7a167c5bba5f167bb95d847803e2ad0efd7

SHA512
237d63684d08709911b64b20cffb38cd56c7c7c14fc497341b96fe9e647ffdf9d1124a78f2f3423dd4ec5b8adf8b40240fc65b2397efafde79333777724515b0

Download Submit
C:\Windows\w32_systm.exe

Filesize
52KB

MD5
b010589209f3ac3e9f907ae492cd4974

SHA1
804ddd8c7a940b602b9b616ee85e0796c4cbb098

SHA256
a94cbb3cf46ed985a6de6c5705b9dd8365bd1969bc8c8605617d38ccdfe56c94

SHA512
9b011437889fd6c489d62ae0483eca56646b112cf86232294ed9f5bf90910b47dc1efe5fb7867c7ddaa53820bb194d47a61faf89f1e69fad4d576da944a613b6

Download Submit
memory/1120-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1120-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4676-13-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download