1c391b1002e4b5cba682abdd6f810fb68226a4aa4c9ac33e406fc5119499ea92

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 13:32

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General

Target

a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.dll
Size

669KB
MD5

a2ba2882ed8cb2b9767eaaa9c0a4ceda
SHA1

b8ac4fed9fd34469439ac6ca85e8272317cb3f54
SHA256

1c391b1002e4b5cba682abdd6f810fb68226a4aa4c9ac33e406fc5119499ea92
SHA512

155ac50db19cb3509eba23c6f3fad21156d81245bc8f10d1a73b135bd67a0c3ac32d988b5c72582ded51c68577bda93d40da7a01cf5eb99bb4b0bb5c2f56376c
SSDEEP

12288:4IukUn4HHRaIsGyLmOtEAtk/1+JsHgWl9/XHYmBh9C9gNSgX/fO79s:4rkM4nAJDL/yLHgw/XHYmBrC9g8gH

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-3AFE-DAE8-271C-A8D4D3BE56F1}	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}\ProgID\ = "a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.axc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3AFE-DAE8-271C-A8D4D3BE56F1}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 4580	3568	regsvr32.exe	85
PID 3568 wrote to memory of 4580	3568	regsvr32.exe	85
PID 3568 wrote to memory of 4580	3568	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a2ba2882ed8cb2b9767eaaa9c0a4ceda_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4580

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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