2c59179ff4390cbd7e9c99a080113274f247fea1a5a1cd9fa5e40dd087c0149a

Analysis

max time kernel
79s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 03:34

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General

Target

0c51e206703115bdc163352608577b45_JaffaCakes118.dll
Size

457KB
MD5

0c51e206703115bdc163352608577b45
SHA1

cbf78760a3711c9717e59e7407cf1259c1c7625f
SHA256

2c59179ff4390cbd7e9c99a080113274f247fea1a5a1cd9fa5e40dd087c0149a
SHA512

c1f51f501ff840e2da3e8fa1c3a9077b6133d5d16275a07cc9a8f20480a032df6d6a808b3ff3450f02e2a1223b1d9da2d6be7f578615cb8c208504e6833d08f3
SSDEEP

12288:5et3xsAC+ew80fmjqOxqAIHXzTziJu1MpLv28MtYcr:4t3+AC10fPyMv83cr

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
behavioral2/memory/3180-0-0x0000000000400000-0x0000000000551000-memory.dmp	upx

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\{9B9D5B4E-4679-43C1-818C-F1CFEDF83CEF}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9B9D5B4E-4679-43C1-818C-F1CFEDF83CEF}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B9D5B4E-4679-43C1-818C-F1CFEDF83CEF}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B9D5B4E-4679-43C1-818C-F1CFEDF83CEF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B9D5B4E-4679-43C1-818C-F1CFEDF83CEF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0c51e206703115bdc163352608577b45_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B9D5B4E-4679-43C1-818C-F1CFEDF83CEF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B9D5B4E-4679-43C1-818C-F1CFEDF83CEF}	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3180	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 3180	4892	regsvr32.exe	81
PID 4892 wrote to memory of 3180	4892	regsvr32.exe	81
PID 4892 wrote to memory of 3180	4892	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0c51e206703115bdc163352608577b45_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0c51e206703115bdc163352608577b45_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:3180

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/3180-0-0x0000000000400000-0x0000000000551000-memory.dmp

Filesize
1.3MB

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