87a3bbd5ca72346393efbb5c2a9b3800f4d38e56bb9d9c2a36edbb48f448da37

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/04/2024, 19:20

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General

Target

e836c6fb83da66b7b620cde4effdc03e_JaffaCakes118.dll
Size

93KB
MD5

e836c6fb83da66b7b620cde4effdc03e
SHA1

8a953ed4d82e4b15c023fbd3207b25060a2afd38
SHA256

87a3bbd5ca72346393efbb5c2a9b3800f4d38e56bb9d9c2a36edbb48f448da37
SHA512

9af4ff24e42521265459ff123228957edebf4bb4445eea4d79db6a10e0bbf655b1b6fb0c4cf6459d26a2e035e62f26ce4cb066d359a8fdeb85e47229df43a3f0
SSDEEP

1536:Mk23aww6z5IFHSjBENQntHfxq1AOeGFPtx0DPRssbXih3lRfDBdgalA/Xu:s3azlSFtHpq/e2n+uLh3lBj2/Xu

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jcifosaq = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\e836c6fb83da66b7b620cde4effdc03e_JaffaCakes118.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2900	2872	rundll32.exe	28
PID 2872 wrote to memory of 2900	2872	rundll32.exe	28
PID 2872 wrote to memory of 2900	2872	rundll32.exe	28
PID 2872 wrote to memory of 2900	2872	rundll32.exe	28
PID 2872 wrote to memory of 2900	2872	rundll32.exe	28
PID 2872 wrote to memory of 2900	2872	rundll32.exe	28
PID 2872 wrote to memory of 2900	2872	rundll32.exe	28
PID 2900 wrote to memory of 2884	2900	rundll32.exe	31
PID 2900 wrote to memory of 2884	2900	rundll32.exe	31
PID 2900 wrote to memory of 2884	2900	rundll32.exe	31
PID 2900 wrote to memory of 2884	2900	rundll32.exe	31
PID 2900 wrote to memory of 2884	2900	rundll32.exe	31
PID 2900 wrote to memory of 2884	2900	rundll32.exe	31
PID 2900 wrote to memory of 2884	2900	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e836c6fb83da66b7b620cde4effdc03e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e836c6fb83da66b7b620cde4effdc03e_JaffaCakes118.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\e836c6fb83da66b7b620cde4effdc03e_JaffaCakes118.dll",iep
    3⤵
    PID:2884

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/2884-8-0x0000000000900000-0x0000000000940000-memory.dmp

Filesize
256KB

Download
memory/2884-9-0x0000000000900000-0x0000000000940000-memory.dmp

Filesize
256KB

Download
memory/2884-11-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2884-14-0x0000000000900000-0x0000000000940000-memory.dmp

Filesize
256KB

Download
memory/2900-0-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2900-1-0x0000000000300000-0x0000000000340000-memory.dmp

Filesize
256KB

Download
memory/2900-2-0x0000000000300000-0x0000000000340000-memory.dmp

Filesize
256KB

Download
memory/2900-3-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2900-5-0x0000000000300000-0x0000000000340000-memory.dmp

Filesize
256KB

Download
memory/2900-7-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2900-10-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download