5d19a30ce8b8d203ae19081d40e483d5765db52f723d3530e978f7684e0b825d

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 03:39

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General

Target

a11188d4739c45fc192072457c5febca_JaffaCakes118.dll
Size

86KB
MD5

a11188d4739c45fc192072457c5febca
SHA1

cd65d46255f46a9a1806238ecea17130db55c935
SHA256

5d19a30ce8b8d203ae19081d40e483d5765db52f723d3530e978f7684e0b825d
SHA512

a80d8f0663eed3b9cddb2692e058a1b1057e60c75a8445e6cf6582266a38725d8ca27e4b09e7f13576085c29b1623c47951dafacb78610875779e50f6cc2a23c
SSDEEP

1536:BYvynn+A2VjSCRZO0kmFrEqZRnsYHTgSJguw3CXCZA+UPIE4d3SQAdsku6h2tE:6v4+Ay00Hp5Rnshd2L0E4d3vj42

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/2456-0-0x0000000000230000-0x000000000026C000-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\{92AD684F-663E-46F5-AB5B-B7CD41676857}	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92AD684F-663E-46F5-AB5B-B7CD41676857}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92AD684F-663E-46F5-AB5B-B7CD41676857}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a11188d4739c45fc192072457c5febca_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92AD684F-663E-46F5-AB5B-B7CD41676857}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92AD684F-663E-46F5-AB5B-B7CD41676857}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2456	1316	regsvr32.exe	30
PID 1316 wrote to memory of 2456	1316	regsvr32.exe	30
PID 1316 wrote to memory of 2456	1316	regsvr32.exe	30
PID 1316 wrote to memory of 2456	1316	regsvr32.exe	30
PID 1316 wrote to memory of 2456	1316	regsvr32.exe	30
PID 1316 wrote to memory of 2456	1316	regsvr32.exe	30
PID 1316 wrote to memory of 2456	1316	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a11188d4739c45fc192072457c5febca_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a11188d4739c45fc192072457c5febca_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2456

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/2456-0-0x0000000000230000-0x000000000026C000-memory.dmp

Filesize
240KB

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