be06b61506063718be82be6961cf8d7500ed58555ac8cad384434478c560332c

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20-06-2024 10:13

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General

Target

050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.dll
Size

640KB
MD5

050dfcd8b3f5043a82484908ab7b2598
SHA1

0f5ced6dd2d6b485a444f5c3f021b1077d95b6a1
SHA256

be06b61506063718be82be6961cf8d7500ed58555ac8cad384434478c560332c
SHA512

80e963a81a35b37aea6415d2e7176997c9cae471b993da61d97f37ad835d3c070e075d16451befa5a6a30cf169ce09b5bfddbfea8cd9b7bcf64372d7d509a6e8
SSDEEP

12288:W0Et9YDc5DMWfT44XUDxoyiD02sHL12x+Sh+z2tePm:mtWDc/EXouPL12x1h+zA+

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-3F62-F565-9B68-EF85BEDE1FBE}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3F62-F565-9B68-EF85BEDE1FBE}\ProgID\ = "050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 3096	232	regsvr32.exe	81
PID 232 wrote to memory of 3096	232	regsvr32.exe	81
PID 232 wrote to memory of 3096	232	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\050dfcd8b3f5043a82484908ab7b2598_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3096

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/3096-0-0x00000000007B0000-0x0000000000855000-memory.dmp

Filesize
660KB

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