61d633317d389c3e82f639b4a826056bfc7bf256c372394fdb9e660019aa0706

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11-07-2024 23:19

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General

Target

3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll
Size

568KB
MD5

3b1d17ae1c7701ce278c1dd04b24bf9d
SHA1

e2da7a529c8668556ee35f959e3717c3347d8f28
SHA256

61d633317d389c3e82f639b4a826056bfc7bf256c372394fdb9e660019aa0706
SHA512

0d239bb2203bae1b0b58e6561f5819d7329628cd78c4ecaf4787f879e2b68595b951a71d10eacc2994dc7ae3e4caa5f0293181f476f7e4b3ff02d6d07ea87230
SSDEEP

12288:lHCqAM6vj9ASYe9dPSQBN9KtJ6IMLxaoSDVjEty7gRvjm:liqTyp3PSQNKP9MLxaoS2ty7gRr

Score

6^/10

adware stealer

Malware Config

Signatures

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-BBD8-16FF-B28C-AEB1785B4454}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\ProgID\ = "3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2564	2324	regsvr32.exe	31
PID 2324 wrote to memory of 2564	2324	regsvr32.exe	31
PID 2324 wrote to memory of 2564	2324	regsvr32.exe	31
PID 2324 wrote to memory of 2564	2324	regsvr32.exe	31
PID 2324 wrote to memory of 2564	2324	regsvr32.exe	31
PID 2324 wrote to memory of 2564	2324	regsvr32.exe	31
PID 2324 wrote to memory of 2564	2324	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2564

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

memory/2564-0-0x0000000001CB0000-0x0000000001D42000-memory.dmp

Filesize
584KB

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