ca0907ced08755806dc9716e02ec965b1e18525ad3ffa8ba639fc0f0940a279e

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 06:09

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General

Target

190fbe209dac658e0560d6e9917d38fa_JaffaCakes118.dll
Size

214KB
MD5

190fbe209dac658e0560d6e9917d38fa
SHA1

ce2206a19206464e7d0a6dbad1b082de7b88beae
SHA256

ca0907ced08755806dc9716e02ec965b1e18525ad3ffa8ba639fc0f0940a279e
SHA512

aab84c32989da516dabda96569e63fc98c9768886c33cc6b9fe203a0d9c4dfc9a8a355e85950d4f609182c03465cfbd032fd0e988f1d91b43449b8756a1f5b62
SSDEEP

768:Jr5Mqw5LibRRTL58mPN4pf6bH49CWUWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWn:JrVTL5e96MY

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1A095412-A568-B258-C587-D148E148F0A1}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1A095412-A568-B258-C587-D148E148F0A1}\ = "cdwsakop.dll"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\verclsid.exe	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A095412-A568-B258-C587-D148E148F0A1}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A095412-A568-B258-C587-D148E148F0A1}\InprocServer32\ = "C:\\Windows\\SysWow64\\cdwsakop.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A095412-A568-B258-C587-D148E148F0A1}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A095412-A568-B258-C587-D148E148F0A1}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3580	rundll32.exe
3580	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 3580	532	rundll32.exe	82
PID 532 wrote to memory of 3580	532	rundll32.exe	82
PID 532 wrote to memory of 3580	532	rundll32.exe	82
PID 3580 wrote to memory of 2388	3580	rundll32.exe	83
PID 3580 wrote to memory of 2388	3580	rundll32.exe	83
PID 3580 wrote to memory of 2388	3580	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\190fbe209dac658e0560d6e9917d38fa_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\190fbe209dac658e0560d6e9917d38fa_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3580
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240596125.bat
    3⤵
    PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~DFD240596125.bat

Filesize
121B

MD5
09517fc62284f33e877a276463580bd1

SHA1
0b14fe1db4493818f9de0bf2a56ee5370b8d479a

SHA256
6cc6bbb1f3f754b6894d84130f5f2d86569ac3a603e1632d3cefa028f22b6238

SHA512
1b924dd216d0f38199cc6df215e65ff260aa48fa37aa620dabcbc616f434643bd1f2e617d66b14bd52900214148741565128ba9589782ba582fd7308369f4a4d

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