5b5f798779023d7c751fd5339720c2ae9578b081775b1a1110423537f3e0d598

Analysis

max time kernel
141s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 18:42

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General

Target

ff2586683a26e994af935d4af9c8a755_JaffaCakes118.dll
Size

5.4MB
MD5

ff2586683a26e994af935d4af9c8a755
SHA1

9e47dc9d1e3c993887282702126c8936dfa59f78
SHA256

5b5f798779023d7c751fd5339720c2ae9578b081775b1a1110423537f3e0d598
SHA512

177ab8c81934b5cc5644cb2671acee562a59a644e0e5f07d67147bb5618ec72a617b81957541f7974f0dabcce85c37acc7d3e54aa46d25fe20bc0410d0dd5a2f
SSDEEP

49152:sCjVgO9riKQHyBTd/L5fn1666LHHHO666VhhhVJJJ:nOOsk/l1666LHHHO666Vhhh

Score

6^/10

adware discovery stealer

Malware Config

Signatures

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A6F3F61E-A8E6-400C-B813-C1767C68F1B6}\ = "DXImageTransform.Microsoft.CrSpiral.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{A6F3F61E-A8E6-400C-B813-C1767C68F1B6}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6F3F61E-A8E6-400C-B813-C1767C68F1B6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ff2586683a26e994af935d4af9c8a755_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6F3F61E-A8E6-400C-B813-C1767C68F1B6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6F3F61E-A8E6-400C-B813-C1767C68F1B6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6F3F61E-A8E6-400C-B813-C1767C68F1B6}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6F3F61E-A8E6-400C-B813-C1767C68F1B6}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5560 wrote to memory of 4604	5560	regsvr32.exe	89
PID 5560 wrote to memory of 4604	5560	regsvr32.exe	89
PID 5560 wrote to memory of 4604	5560	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff2586683a26e994af935d4af9c8a755_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5560
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ff2586683a26e994af935d4af9c8a755_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4604

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 --field-trial-handle=3880,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:8
1⤵
PID:5164

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4604-0-0x0000000002850000-0x0000000003757000-memory.dmp

Filesize
15.0MB

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memory/4604-1-0x0000000002850000-0x0000000003757000-memory.dmp

Filesize
15.0MB

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