c5ff906420d158ad7565618818958430d730e6dfa0b302f7321b4465eb0243d4

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-06-2024 23:20

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General

Target

03fbe66a4ad02d4c8e6aa95085bd9fd7_JaffaCakes118.dll
Size

25KB
MD5

03fbe66a4ad02d4c8e6aa95085bd9fd7
SHA1

d6988ebad84dbdcc708a57133d8c0e2d1fe50b61
SHA256

c5ff906420d158ad7565618818958430d730e6dfa0b302f7321b4465eb0243d4
SHA512

3815d241a4f4ed9d9223ff2687ea62ee3288d7da2a21b08aae8e52444629a8054dd0484c05934b362adcc909fe9d47e4996ea6d0cd5db2dc97eb31b18965b313
SSDEEP

384:PM72XoSNd3BLWGZcjAzvZNeDEkVUZeT5cFUIFMC/4M+Idvb7nMcxyWxA8EAQLM:YaLBouZNeDweT5crqC/TD7oM

Score

5^/10

defense_evasion privilege_escalation

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\msvcr.dll	rundll32.exe
File opened for modification	C:\Windows\msvcr.dll	rundll32.exe

Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs

defense_evasion privilege_escalation

Create Process with Token

T1134.002

pid	Process
2836	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "03fbe66a4ad02d4c8e6aa95085bd9fd7_JaffaCakes118.dll,1284106453,-1411280774,-1814625877"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe
2836	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 1744	1952	rundll32.exe	28
PID 1952 wrote to memory of 1744	1952	rundll32.exe	28
PID 1952 wrote to memory of 1744	1952	rundll32.exe	28
PID 1952 wrote to memory of 1744	1952	rundll32.exe	28
PID 1952 wrote to memory of 1744	1952	rundll32.exe	28
PID 1952 wrote to memory of 1744	1952	rundll32.exe	28
PID 1952 wrote to memory of 1744	1952	rundll32.exe	28
PID 1744 wrote to memory of 2836	1744	rundll32.exe	29
PID 1744 wrote to memory of 2836	1744	rundll32.exe	29
PID 1744 wrote to memory of 2836	1744	rundll32.exe	29
PID 1744 wrote to memory of 2836	1744	rundll32.exe	29
PID 1744 wrote to memory of 2836	1744	rundll32.exe	29
PID 1744 wrote to memory of 2836	1744	rundll32.exe	29
PID 1744 wrote to memory of 2836	1744	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03fbe66a4ad02d4c8e6aa95085bd9fd7_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\03fbe66a4ad02d4c8e6aa95085bd9fd7_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Windows\msvcr.dll",_RunAs@0
    3⤵
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Access Token Manipulation: Create Process with Token
    - Suspicious behavior: EnumeratesProcesses
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Defense Evasion

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\msvcr.dll

Filesize
25KB

MD5
03fbe66a4ad02d4c8e6aa95085bd9fd7

SHA1
d6988ebad84dbdcc708a57133d8c0e2d1fe50b61

SHA256
c5ff906420d158ad7565618818958430d730e6dfa0b302f7321b4465eb0243d4

SHA512
3815d241a4f4ed9d9223ff2687ea62ee3288d7da2a21b08aae8e52444629a8054dd0484c05934b362adcc909fe9d47e4996ea6d0cd5db2dc97eb31b18965b313

Download Submit
memory/1744-12-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1744-2-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1744-1-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1744-0-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1744-3-0x000000001001A000-0x000000001001B000-memory.dmp

Filesize
4KB

Download
memory/1744-4-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2836-11-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2836-10-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2836-9-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2836-8-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2836-13-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2836-14-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download