27ae0b6cef8eeeb659ca75f1690f35caa3506955228d2c7e4ec35749274357e0

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 12:12

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General

Target
e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.dll
Size 562KB
Sample240409-pdcxxaef32
SHA256 27ae0b6cef8eeeb659ca75f1690f35caa3506955228d2c7e4ec35749274357e0
MD5 e9f68974aa9a98d5be3f1f025c5184af
SHA1 bc33ed75bc675b1c70b85d8d9eb7bf6015bf4408
SHA512 5530d03219239dcc53bc56f6e87e2a01db894135d11937e2403a7645eff987e28c07b6daaee5eebc175e3da5c42f1f70cbe09bc2c8ab05c0436117ca492c647e
SSDEEP 12288:G0Et9YDc/Tk4Po4wSSqodPF9C2vTgYnTZvpRs:WtWDcw4o4Ts/9CkndRR
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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-56E8-7374-A1FF-5BEEFFB11571}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}\ProgID\ = "e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.sh	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.sh\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-56E8-7374-A1FF-5BEEFFB11571}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 3652	1444	regsvr32.exe	86
PID 1444 wrote to memory of 3652	1444	regsvr32.exe	86
PID 1444 wrote to memory of 3652	1444	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e9f68974aa9a98d5be3f1f025c5184af_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3652

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

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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