203e1338f6807b962bb3d8de656a28ac9e8b3282a3d15fc8eb265d57f53400a6

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2024, 13:47

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General

Target

41ede5f0da0ee294fca489a5c44775b2_JaffaCakes118.dll
Size

104KB
MD5

41ede5f0da0ee294fca489a5c44775b2
SHA1

1d6698f7c08fa37e3126122ea6e59d68a255084f
SHA256

203e1338f6807b962bb3d8de656a28ac9e8b3282a3d15fc8eb265d57f53400a6
SHA512

e18140dbd98980d29c00372f3fd894c9065b70dbb4319d58dcb016afef5215dd638ae26d1f21edcf38b14a5dd76204fd6aeb7aae12477ad5285bf990c72dc45e
SSDEEP

3072:EHRy9K9p6Xc6537+BKDF7oIqW5kwDxKPm:EIgp6/OKDJvv5rxIm

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/2188-0-0x0000000002190000-0x00000000021D2000-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\{E62BF9C0-50B5-4F79-B393-7A82E043C6E7}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E62BF9C0-50B5-4F79-B393-7A82E043C6E7}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E62BF9C0-50B5-4F79-B393-7A82E043C6E7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E62BF9C0-50B5-4F79-B393-7A82E043C6E7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\41ede5f0da0ee294fca489a5c44775b2_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E62BF9C0-50B5-4F79-B393-7A82E043C6E7}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2188	2640	regsvr32.exe	85
PID 2640 wrote to memory of 2188	2640	regsvr32.exe	85
PID 2640 wrote to memory of 2188	2640	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\41ede5f0da0ee294fca489a5c44775b2_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\41ede5f0da0ee294fca489a5c44775b2_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2188

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/2188-0-0x0000000002190000-0x00000000021D2000-memory.dmp

Filesize
264KB

Download
memory/2188-1-0x00000000021BF000-0x00000000021C0000-memory.dmp

Filesize
4KB

Download