34aed7aa968333f3122a1a5dc3364f87a9b57239abc9e5c14349b1876cb22b53

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 22:05

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General

Target

e8876127ad152c0bcfb54897050c01ae_JaffaCakes118.dll
Size

22KB
MD5

e8876127ad152c0bcfb54897050c01ae
SHA1

6335ab439309da8e3526586dd26f5df2d274a3b2
SHA256

34aed7aa968333f3122a1a5dc3364f87a9b57239abc9e5c14349b1876cb22b53
SHA512

532fcf9068c360d667fc8043beba87e9c1dc21a643c7aeb6d3c03ae12559e52fd9a7a32c361f9932aa36749b7bc9e57b117d9bd72c3e3f3b34a9c3734fc32eab
SSDEEP

384:3PyZNjtU2mRURhjjC9xkWiGURRUxbGUCKrxIjeNnxzdq2lXAdo4:/yZ/P9Wi9RROGUCSIjeHdq+XA

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\{45694105-5108-9405-3695-954187462154}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{45694105-5108-9405-3695-954187462154}\ = "mpwddapi.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}\InprocServer32\ = "C:\\Windows\\SysWow64\\mpwddapi.dll"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5036	rundll32.exe
5036	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 5036	4108	rundll32.exe	85
PID 4108 wrote to memory of 5036	4108	rundll32.exe	85
PID 4108 wrote to memory of 5036	4108	rundll32.exe	85
PID 5036 wrote to memory of 1880	5036	rundll32.exe	86
PID 5036 wrote to memory of 1880	5036	rundll32.exe	86
PID 5036 wrote to memory of 1880	5036	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8876127ad152c0bcfb54897050c01ae_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8876127ad152c0bcfb54897050c01ae_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5036
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240596890.bat
    3⤵
    PID:1880

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\~DFD240596890.bat

Filesize
121B

MD5
09517fc62284f33e877a276463580bd1

SHA1
0b14fe1db4493818f9de0bf2a56ee5370b8d479a

SHA256
6cc6bbb1f3f754b6894d84130f5f2d86569ac3a603e1632d3cefa028f22b6238

SHA512
1b924dd216d0f38199cc6df215e65ff260aa48fa37aa620dabcbc616f434643bd1f2e617d66b14bd52900214148741565128ba9589782ba582fd7308369f4a4d

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