9d9259e092e2c0d04668acff35f7dba53ced1037e3389fb457967f50454e85dc

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 08:30

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General

Target

1976187ba49108669682ffff927e417a_JaffaCakes118.dll
Size

3.7MB
MD5

1976187ba49108669682ffff927e417a
SHA1

e75394263922f301ffb9f95621343877258771e1
SHA256

9d9259e092e2c0d04668acff35f7dba53ced1037e3389fb457967f50454e85dc
SHA512

0a270686db1897d8cb82dcb5eb824162264f5298cd6eb0fc386593566a206f9bc882d5a42efe27910b097735ff9dbf16a63eb6746d4795cf6566cc493c674275
SSDEEP

6144:CWqcbsqA/Yiaf9qRGDfTJd9WYXmHPocXz2v/64UgP1toJI:pbsqA/zc4RG5aYIFK64UgPvoS

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\WebCheck = "{E6FB5E20-DE35-11CF-9C87-00AA005127ED}"	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
4604	rundll32.exe
4604	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\exwinnig.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\exwinnig.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4680	4604	WerFault.exe	81

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InProcServer32\ = "C:\\Windows\\SysWow64\\exwinnig.dll"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InProcServer32	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 4604	4464	rundll32.exe	81
PID 4464 wrote to memory of 4604	4464	rundll32.exe	81
PID 4464 wrote to memory of 4604	4464	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1976187ba49108669682ffff927e417a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1976187ba49108669682ffff927e417a_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  PID:4604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 572
    3⤵
    - Program crash
    PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4604 -ip 4604
1⤵
PID:3732

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

C:\Windows\SysWOW64\exwinnig.dll

Filesize
5.0MB

MD5
27ceae9650286f1ca255294d3375fb0d

SHA1
47b9be1c038f67f8b60c740e84c1a28bafb1d6c5

SHA256
6d298933f5823d00f4632359a008ad0e718fe3040c82dceb1670c826d7eb78aa

SHA512
ca31fc2af124b9b06c2b4db7959ab81b00e305d22d4b9f13e82f4f11836c9aeb601f347cce826a7a8e4a35133b984fd38e542a3a85954ba2f8021431153b78d8

Download Submit
memory/4604-0-0x0000000001F70000-0x0000000001FBE000-memory.dmp

Filesize
312KB

Download
memory/4604-2-0x0000000002140000-0x0000000002195000-memory.dmp

Filesize
340KB

Download
memory/4604-8-0x0000000000620000-0x0000000000628000-memory.dmp

Filesize
32KB

Download
memory/4604-9-0x0000000000620000-0x0000000000628000-memory.dmp

Filesize
32KB

Download
memory/4604-22-0x0000000002650000-0x000000000269E000-memory.dmp

Filesize
312KB

Download
memory/4604-26-0x00000000027A0000-0x00000000027F5000-memory.dmp

Filesize
340KB

Download
memory/4604-25-0x00000000027A0000-0x00000000027F5000-memory.dmp

Filesize
340KB

Download
memory/4604-32-0x0000000000630000-0x0000000000638000-memory.dmp

Filesize
32KB

Download
memory/4604-40-0x0000000002650000-0x000000000269E000-memory.dmp

Filesize
312KB

Download
memory/4604-39-0x0000000001F70000-0x0000000001FBE000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads