60bb18a9aedd7684e990cb6337c718f0acbef87e1855e3fcf9d42809ceced7b4

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 02:06

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General

Target

f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.dll
Size

640KB
MD5

f70cea103d28beba02521d5d7ba76aea
SHA1

b4f40f100a9d7042012dca1833e4982c87f80c21
SHA256

60bb18a9aedd7684e990cb6337c718f0acbef87e1855e3fcf9d42809ceced7b4
SHA512

12d14a7240d5aa35fdf055c05332c589ea793bbbdcbb2cc3d2ecf5f7e6af236a4d746255c7b1aac1b8107c40c3d94115825f70b83855c215594967b974e1a780
SSDEEP

12288:3kdtYzsZDM2fjYiV/UzxoyS7nUmsn7l86kh+v2tePm:0dGzs/0kwolUf7l8vh+vA+

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-7E81-E91F-91D8-C17169B6E649}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7E81-E91F-91D8-C17169B6E649}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7E81-E91F-91D8-C17169B6E649}\ProgID\ = "f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7E81-E91F-91D8-C17169B6E649}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7E81-E91F-91D8-C17169B6E649}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-7E81-E91F-91D8-C17169B6E649}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7E81-E91F-91D8-C17169B6E649}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7E81-E91F-91D8-C17169B6E649}\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7E81-E91F-91D8-C17169B6E649}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f70cea103d28beba02521d5d7ba76aea_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1052

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

Replay Monitor

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Downloads

memory/1052-0-0x0000000000920000-0x00000000009C4000-memory.dmp

Filesize
656KB

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