f6a0f55938b82aaf5663c0b8f5c79c2be2768fcb55f5b24f2f100d2105bbddb2

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12-07-2024 07:04

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General

Target

3c68167929b7f159ac35d48354d0ba00_JaffaCakes118.dll
Size

178KB
MD5

3c68167929b7f159ac35d48354d0ba00
SHA1

338400f321f111657373972b891ec5a16f249003
SHA256

f6a0f55938b82aaf5663c0b8f5c79c2be2768fcb55f5b24f2f100d2105bbddb2
SHA512

6715fd4b23b13237c5cde9bd78624f0a6a524f3d20f47da400c7a4e98845ccb17cbb516480583b141e7a5f585f182fd361ca3f0a3f4aa60b9aca4de414fc82d2
SSDEEP

3072:h101sna7MYqowXVD9sVukjg7GkyOAFSTJAzoKtSxhAkR7S73Rb8sZdYeHlktkw:fjAMjXR9sVPjg7d+S9AJwG7Pl

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	1636	rundll32.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\Bkiyi = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\3c68167929b7f159ac35d48354d0ba00_JaffaCakes118.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1636	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1636	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 1636	2680	rundll32.exe	30
PID 2680 wrote to memory of 1636	2680	rundll32.exe	30
PID 2680 wrote to memory of 1636	2680	rundll32.exe	30
PID 2680 wrote to memory of 1636	2680	rundll32.exe	30
PID 2680 wrote to memory of 1636	2680	rundll32.exe	30
PID 2680 wrote to memory of 1636	2680	rundll32.exe	30
PID 2680 wrote to memory of 1636	2680	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c68167929b7f159ac35d48354d0ba00_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c68167929b7f159ac35d48354d0ba00_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1636

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-0-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1636-3-0x00000000001D0000-0x0000000000210000-memory.dmp

Filesize
256KB

Download
memory/1636-11-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download