d561990033e12cb7d4c9103bb350bbea4c876075c008fab36b26430900de40b9

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 01:48

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General

Target

f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.dll
Size

563KB
MD5

f4e87a55c0e9664833f6e86b1a0af4e6
SHA1

8b68c37740f1feb41c6c6a4dfda5899df3366523
SHA256

d561990033e12cb7d4c9103bb350bbea4c876075c008fab36b26430900de40b9
SHA512

996fca45d327866f8916317669fd18e75ce417a076f4b4dec343ab39c79abdceb9409ea3de3cb53bef12ffd7f765146286ce8e08ea6632aec7af655e9ee93c70
SSDEEP

12288:k0Et9YDc/Tk4Po4wSSqodPF9C2vTgYnTleHvRg:stWDcw4o4Ts/9CknBePR

Score

6^/10

adware discovery stealer

Malware Config

Signatures

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-1148-E8AC-A696-3DF9878418F6}	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 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.sh	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.sh\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-1148-E8AC-A696-3DF9878418F6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-1148-E8AC-A696-3DF9878418F6}\ProgID\ = "f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-1148-E8AC-A696-3DF9878418F6}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-1148-E8AC-A696-3DF9878418F6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-1148-E8AC-A696-3DF9878418F6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-1148-E8AC-A696-3DF9878418F6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-1148-E8AC-A696-3DF9878418F6}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-1148-E8AC-A696-3DF9878418F6}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 3064	2960	regsvr32.exe	30
PID 2960 wrote to memory of 3064	2960	regsvr32.exe	30
PID 2960 wrote to memory of 3064	2960	regsvr32.exe	30
PID 2960 wrote to memory of 3064	2960	regsvr32.exe	30
PID 2960 wrote to memory of 3064	2960	regsvr32.exe	30
PID 2960 wrote to memory of 3064	2960	regsvr32.exe	30
PID 2960 wrote to memory of 3064	2960	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f4e87a55c0e9664833f6e86b1a0af4e6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3064

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/3064-0-0x00000000021D0000-0x0000000002262000-memory.dmp

Filesize
584KB

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