8c5ba3ab9096a1e97cedff0a4dfa4f7e2847cf9c375e152244f0be3e8546cd26

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 07:55

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General

Target

c2945691b70ded809a6ce2d282ce5377_JaffaCakes118.dll
Size

86KB
MD5

c2945691b70ded809a6ce2d282ce5377
SHA1

ed448faf240f943c7980448fe13ad80b47127a4d
SHA256

8c5ba3ab9096a1e97cedff0a4dfa4f7e2847cf9c375e152244f0be3e8546cd26
SHA512

4c11890b9514f28b7225f61c21a2015410890769c0cb5d762e6c52c57dcd1366832dd8b9fded01607c08761701eebdddf6993381b9a0e86b4eac905ed5622fa7
SSDEEP

1536:JYvynn+A2Vd66v0uB5HrvumuVoF4ajU1ddFTpwbdiRumZE0v+ibYI8w1Qx:iv4+AY6S0cFvucF4eAddZpydi002mc7x

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/2912-0-0x0000000000300000-0x000000000033C000-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\{D5336777-3EA4-45E1-AE07-A185F22A5007}	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\{D5336777-3EA4-45E1-AE07-A185F22A5007}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D5336777-3EA4-45E1-AE07-A185F22A5007}\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\{D5336777-3EA4-45E1-AE07-A185F22A5007}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D5336777-3EA4-45E1-AE07-A185F22A5007}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c2945691b70ded809a6ce2d282ce5377_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2912	2516	regsvr32.exe	30
PID 2516 wrote to memory of 2912	2516	regsvr32.exe	30
PID 2516 wrote to memory of 2912	2516	regsvr32.exe	30
PID 2516 wrote to memory of 2912	2516	regsvr32.exe	30
PID 2516 wrote to memory of 2912	2516	regsvr32.exe	30
PID 2516 wrote to memory of 2912	2516	regsvr32.exe	30
PID 2516 wrote to memory of 2912	2516	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c2945691b70ded809a6ce2d282ce5377_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c2945691b70ded809a6ce2d282ce5377_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2912

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/2912-0-0x0000000000300000-0x000000000033C000-memory.dmp

Filesize
240KB

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memory/2912-1-0x0000000000300000-0x000000000033C000-memory.dmp

Filesize
240KB

Download