6e89ce25f919edf5adde1b5e3e85d395047f9263b74365014c69cb0028efbdc1

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 23:28

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General

Target

d54895676397789a3a934d329459d7a1_JaffaCakes118.dll
Size

641KB
MD5

d54895676397789a3a934d329459d7a1
SHA1

585a3307f6e14d2caae16578745903456b35273a
SHA256

6e89ce25f919edf5adde1b5e3e85d395047f9263b74365014c69cb0028efbdc1
SHA512

f8dfbf8b74214f83114557e5b03f5d4753dd3b9ec31937584c965bd082d1f9f735e3c52ef8f45a61b3574b80c15c9ede9117c384b59fb5a64bc4ba2f9d08cfe6
SSDEEP

12288:g0Et9YDc5DMWfT44XUDxoyiD02sHta9kgAD8ghcv2tePm:ItWDc/EXouPt+fah6A+

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-5E84-58EC-E421-3688D3A88577}	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\Wow6432Node\CLSID\{CC01FC6C-5E84-58EC-E421-3688D3A88577}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E84-58EC-E421-3688D3A88577}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d54895676397789a3a934d329459d7a1_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\d54895676397789a3a934d329459d7a1_JaffaCakes118.brm inc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\d54895676397789a3a934d329459d7a1_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\d54895676397789a3a934d329459d7a1_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-5E84-58EC-E421-3688D3A88577}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E84-58EC-E421-3688D3A88577}\ProgID\ = "d54895676397789a3a934d329459d7a1_JaffaCakes118.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E84-58EC-E421-3688D3A88577}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E84-58EC-E421-3688D3A88577}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E84-58EC-E421-3688D3A88577}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E84-58EC-E421-3688D3A88577}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\d54895676397789a3a934d329459d7a1_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2188	3020	regsvr32.exe	30
PID 3020 wrote to memory of 2188	3020	regsvr32.exe	30
PID 3020 wrote to memory of 2188	3020	regsvr32.exe	30
PID 3020 wrote to memory of 2188	3020	regsvr32.exe	30
PID 3020 wrote to memory of 2188	3020	regsvr32.exe	30
PID 3020 wrote to memory of 2188	3020	regsvr32.exe	30
PID 3020 wrote to memory of 2188	3020	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d54895676397789a3a934d329459d7a1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d54895676397789a3a934d329459d7a1_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2188

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/2188-0-0x00000000001B0000-0x0000000000255000-memory.dmp

Filesize
660KB

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