1dc84ace0b8c01de6422df830d758fc02a1c36970d4dd23bb6e744ebc8aced05

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 10:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe
Size

17KB
MD5

398b1b1bdcfd378635811a7f9f676875
SHA1

a7db3079966a281bdb3bd4e7a5e3e12023d32f59
SHA256

1dc84ace0b8c01de6422df830d758fc02a1c36970d4dd23bb6e744ebc8aced05
SHA512

5c0fc8619b124474876b053e13cd0f7f8811881b1bbbed928922a61254b335c49fdcc58815a402420083e4ce9d3e5c0eeb0abe1dc3b139d0126e3b8b302c1677
SSDEEP

384:mjWSFaWrGkbGOu1Yaj1hFzivYwS8laU29v9QopRP:EPJb25hFzipS8dgv9nP

Score

8^/10

discovery persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\8B58A615\ImagePath = "C:\\Windows\\system32\\8B58A615.EXE -service"	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2400	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1732	8B58A615.EXE

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\8B58A615.EXE	8B58A615.EXE
File opened for modification	C:\Windows\SysWOW64\8B58A615T.EXE	8B58A615.EXE
File created	C:\Windows\SysWOW64\8B58A615.DLL	8B58A615.EXE
File created	C:\Windows\SysWOW64\delme.bat	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\8B58A615.EXE	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\8B58A615.EXE	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\8B58A615T.EXE	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe

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	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8B58A615.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2360	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe
1732	8B58A615.EXE
1732	8B58A615.EXE
1732	8B58A615.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2400	2360	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2400	2360	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2400	2360	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2400	2360	398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\398b1b1bdcfd378635811a7f9f676875_JaffaCakes118.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\delme.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2400

C:\Windows\SysWOW64\8B58A615.EXE
C:\Windows\SysWOW64\8B58A615.EXE -service
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1732

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\8B58A615.EXE

Filesize
17KB

MD5
398b1b1bdcfd378635811a7f9f676875

SHA1
a7db3079966a281bdb3bd4e7a5e3e12023d32f59

SHA256
1dc84ace0b8c01de6422df830d758fc02a1c36970d4dd23bb6e744ebc8aced05

SHA512
5c0fc8619b124474876b053e13cd0f7f8811881b1bbbed928922a61254b335c49fdcc58815a402420083e4ce9d3e5c0eeb0abe1dc3b139d0126e3b8b302c1677

Download Submit
C:\Windows\SysWOW64\delme.bat

Filesize
239B

MD5
0396233d2f2090aaf3563dc00d4cf8df

SHA1
e5c56b6dbac49e0de8a0b9f69cce2efbc499538e

SHA256
9feedeaeef490bd955e23cba0c6e2401654fd36d0d9bb53bec86bc8ba0216acd

SHA512
49d370814a201da5b1469b2052c85ce95ed405559b65e7c3033313f5e6c2dfde924ffa148928ada7744a132c199c0957a79b8d123685f13b9a5d4d36cb788396

Download Submit
memory/1732-18-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2360-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2360-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2360-16-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download