aad1ed0eb938d99220a9ceb07730fd09afa396d4bd6bedec912db397516e4542

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22/06/2024, 04:37

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General

Target
014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll
Size 224KB
Sample240622-e85ajaycje
SHA256 aad1ed0eb938d99220a9ceb07730fd09afa396d4bd6bedec912db397516e4542
MD5 014ac2f3ed968aabdf1279018fd4bd02
SHA1 6120a315d88af4ffb7ce4fdc0bc8f570284408e3
SHA512 525adaf2c3d7f95deace0dac652fb9e6eb810d62043579ca00104dc7919f7a73b16d15c243cac630fb6c8709f9ff511b215b408e6fc259feb841cfc96cce0100
SSDEEP 6144:Ewx/C2G6SDG6dphYB365sryrXlsnCXAk:EwHG6SD/ac5sruXeOA
MD5 SHA1 SHA512 SSDEEP

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/920-0-0x0000000000400000-0x0000000000498000-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\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ProgID\ = "014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 920	2544	regsvr32.exe	80
PID 2544 wrote to memory of 920	2544	regsvr32.exe	80
PID 2544 wrote to memory of 920	2544	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:920

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/920-0-0x0000000000400000-0x0000000000498000-memory.dmp

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