b73cb99fd3fd45c0648dce3b2c454068829ec30ac939934adffddeb096f551cf

Analysis

max time kernel
129s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2024, 21:59

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General

Target
00bee224890bfb42f8f422d648761bff_JaffaCakes118.dll
Size 87KB
Sample240619-1wkw1stdmh
SHA256 b73cb99fd3fd45c0648dce3b2c454068829ec30ac939934adffddeb096f551cf
MD5 00bee224890bfb42f8f422d648761bff
SHA1 7e68b0423804369f04e45aa7795271bfcfb9cf51
SHA512 2019409cdd885686d49ac310fbc882e7155d321d92b83087e2554bec0b038b75027a077f0d5e027ddc2d9aef46019b30ef8ae644de5fa824afaaf7f1065afe46
SSDEEP 1536:c2wUkc2miwvgfF1C5unaYQ7MLahclotNItOV5P4kEl9Yv:jjgw490h3MocVtOH3YS
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3644-1-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/3644-2-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/3644-4-0x0000000000400000-0x0000000000436000-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\{034DF861-1924-47BC-ADE9-153EB4C0CB80}	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{034DF861-1924-47BC-ADE9-153EB4C0CB80}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{034DF861-1924-47BC-ADE9-153EB4C0CB80}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\00bee224890bfb42f8f422d648761bff_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{034DF861-1924-47BC-ADE9-153EB4C0CB80}\InprocServer32\ThreadingModel = "apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{034DF861-1924-47BC-ADE9-153EB4C0CB80}\InprocServer32	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 3644	1088	rundll32.exe	89
PID 1088 wrote to memory of 3644	1088	rundll32.exe	89
PID 1088 wrote to memory of 3644	1088	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\00bee224890bfb42f8f422d648761bff_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\00bee224890bfb42f8f422d648761bff_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3644

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 --field-trial-handle=4316,i,15721081447618313297,6839074028983272033,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
1⤵
PID:4784

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

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Downloads

memory/3644-0-0x0000000000540000-0x0000000000579000-memory.dmp

Download

memory/3644-1-0x0000000000400000-0x0000000000436000-memory.dmp

Download

memory/3644-2-0x0000000000400000-0x0000000000436000-memory.dmp

Download

memory/3644-3-0x0000000000540000-0x0000000000579000-memory.dmp

Download

memory/3644-4-0x0000000000400000-0x0000000000436000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads