1d0def3f66660bd14611bce47aebe37371e766045e19f07b186800e3a58f254e

Analysis

max time kernel
51s
max time network
52s
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, 18:24

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General

Target

0f14ce87481fed608542773200ed1873_JaffaCakes118.dll
Size

70KB
MD5

0f14ce87481fed608542773200ed1873
SHA1

8bd4b26a29966dbdc3f6d77a3677866899559d2c
SHA256

1d0def3f66660bd14611bce47aebe37371e766045e19f07b186800e3a58f254e
SHA512

5714bba64e9a0f7ad37de107d0516c8cd18fa2b51cd154b6d0439746cc3ab47c2df935af73181136b42d8a2433242d686bea0d237ff08f476def96f84c2b59ff
SSDEEP

1536:ChtPJ3RnQBCOKKiOs/T0uu9aQTmULihRgwM9meiKCrdRX/:O15QBXKKin1uD9CrdRX/

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/4700-0-0x0000000010000000-0x0000000010031000-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\{89AD4D75-2429-462e-BD4E-443F233F6033}	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f14ce87481fed608542773200ed1873_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033}\InprocServer32\ThreadingModel = "Both"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033}	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 4700	3624	rundll32.exe	81
PID 3624 wrote to memory of 4700	3624	rundll32.exe	81
PID 3624 wrote to memory of 4700	3624	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f14ce87481fed608542773200ed1873_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f14ce87481fed608542773200ed1873_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4700

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/4700-0-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

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