968d076e47ac371098381008d149187ad5556d91f523f057bfa0779b85be6034

Analysis

max time kernel
10s
max time network
15s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 13:23

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General

Target

34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.dll
Size

233KB
MD5

34e4ff82bd89e5acf623e737873343f6
SHA1

b922371b63c89ae44ad66b4d92ae61f5ac8e60ec
SHA256

968d076e47ac371098381008d149187ad5556d91f523f057bfa0779b85be6034
SHA512

a6627906ff4b043464a2cdf0ea887b871767acc2115ae000b922a98d7766c1419ed6396f2117ce9eff597ac5653e610d2e01ffbe9893d28dda1f5bfff5958c87
SSDEEP

6144:BqWGMxiZ6FvRAuvAdt7JABguGZkdD5G13u4a4xg4WP:ZGMS6FZk7JAhg1e4a4tm

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1792-0-0x0000000000A30000-0x0000000000AD3000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 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\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}\ProgID\ = "34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.b1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}\ = "b1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.b1\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.b1\ = "b1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.b1\Clsid\ = "{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-13F7-5487-CC18-8E7F7E81CCAF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.b1	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 1792	2796	regsvr32.exe	29
PID 2796 wrote to memory of 1792	2796	regsvr32.exe	29
PID 2796 wrote to memory of 1792	2796	regsvr32.exe	29
PID 2796 wrote to memory of 1792	2796	regsvr32.exe	29
PID 2796 wrote to memory of 1792	2796	regsvr32.exe	29
PID 2796 wrote to memory of 1792	2796	regsvr32.exe	29
PID 2796 wrote to memory of 1792	2796	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\34e4ff82bd89e5acf623e737873343f6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1792

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

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Downloads

memory/1792-0-0x0000000000A30000-0x0000000000AD3000-memory.dmp

Filesize
652KB

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