69519d591cae9faa7fe7c863dae2c30ad4406969042d087cb357300e494eae73

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 16:26

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General

Target

a344f8bd20aa3e670c545c13521a976b_JaffaCakes118.dll
Size

89KB
MD5

a344f8bd20aa3e670c545c13521a976b
SHA1

26e2695e59a0e10b8b32f761cee45c66979f64cb
SHA256

69519d591cae9faa7fe7c863dae2c30ad4406969042d087cb357300e494eae73
SHA512

59583b4f9550b455df0d0a8deca4edf88ac1443a6e964585d1a59f9075c66dd03ad0d61dd14ffb08b7d549a91006c41959c763b5960096595f2c676fffe87675
SSDEEP

1536:s6c2bcATlbcKNyRAObkz4ElgCXQvWxuDphlV9VHXBOUW7SoKUG1Mn3gHaxvLXNsO:skI0tvwGKCXQE4zlDVH9Eg6xzXNsO

Score

7^/10

adware discovery stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2560-0-0x0000000000190000-0x00000000001CF000-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\{DCC4FD0F-E474-4923-9697-69E1081C954C}	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 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DCC4FD0F-E474-4923-9697-69E1081C954C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a344f8bd20aa3e670c545c13521a976b_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DCC4FD0F-E474-4923-9697-69E1081C954C}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DCC4FD0F-E474-4923-9697-69E1081C954C}\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\{DCC4FD0F-E474-4923-9697-69E1081C954C}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2560	2404	regsvr32.exe	30
PID 2404 wrote to memory of 2560	2404	regsvr32.exe	30
PID 2404 wrote to memory of 2560	2404	regsvr32.exe	30
PID 2404 wrote to memory of 2560	2404	regsvr32.exe	30
PID 2404 wrote to memory of 2560	2404	regsvr32.exe	30
PID 2404 wrote to memory of 2560	2404	regsvr32.exe	30
PID 2404 wrote to memory of 2560	2404	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a344f8bd20aa3e670c545c13521a976b_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a344f8bd20aa3e670c545c13521a976b_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2560

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

Replay Monitor

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Downloads

memory/2560-0-0x0000000000190000-0x00000000001CF000-memory.dmp

Filesize
252KB

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