42d60ba9c224f75cc7bb0da9d2a8f55d80e71514553c3902de070d53067c2a31

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 03:10

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General

Target

024fec3160957086108ccc537d1f8d6f_JaffaCakes118.dll
Size

8KB
MD5

024fec3160957086108ccc537d1f8d6f
SHA1

a727f0b62c2ff00d101bf8983d91a4e7a9ca3a1a
SHA256

42d60ba9c224f75cc7bb0da9d2a8f55d80e71514553c3902de070d53067c2a31
SHA512

ad218a0351837f4650def8d318a6d3768a13411999be9573a4b7fba2bb87ed81d65495e8d69d80518ecf31608afccad0d65a09174c45f35dc3472d6c42154fe6
SSDEEP

192:t5xFHFY2P1mEi4XiJMSGe3yusvcLPZMFojJ6sPtJZU:nHa2P1mYeXyusUiFodPlJ

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/2348-0-0x0000000010000000-0x000000001000A000-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\{B8301AF7-D00E-4EA4-87C1-5FF4644FBBA1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B8301AF7-D00E-4EA4-87C1-5FF4644FBBA1}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8301AF7-D00E-4EA4-87C1-5FF4644FBBA1}\ddd = "ddd"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{B8301AF7-D00E-4EA4-87C1-5FF4644FBBA1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8301AF7-D00E-4EA4-87C1-5FF4644FBBA1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\024fec3160957086108ccc537d1f8d6f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8301AF7-D00E-4EA4-87C1-5FF4644FBBA1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{B8301AF7-D00E-4EA4-87C1-5FF4644FBBA1}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 2348	648	regsvr32.exe	90
PID 648 wrote to memory of 2348	648	regsvr32.exe	90
PID 648 wrote to memory of 2348	648	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\024fec3160957086108ccc537d1f8d6f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\024fec3160957086108ccc537d1f8d6f_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2348

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:3356

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/2348-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

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