2ef6917fe1b35dd3fac7047c31e8c043ce35090442ef07532d6dc71a5b33b8ee

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05/07/2024, 00:06

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General

Target

26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.dll
Size

224KB
MD5

26bda9da7a1fc2d7cc393bb2911468b8
SHA1

7d2f5e994eaab4d2b488e868782875f1cad9fe13
SHA256

2ef6917fe1b35dd3fac7047c31e8c043ce35090442ef07532d6dc71a5b33b8ee
SHA512

bc53f742861486151c631cdb900fa81639f9f79121cafb57857e584991d1dba76ee434afef1b9f9cdf38053b99ebc1f01ce51d61cbaf2e8ffccdb99f35f94cde
SSDEEP

6144:Jwx/C2G6SDG6dphYB365sryrXlsniA3Qt3:JwHG6SD/ac5sruXeiAgt

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2812-0-0x00000000001B0000-0x0000000000248000-memory.dmp	upx

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-4878-37B2-B189-684A2FBE3BB5}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}\ProgID\ = "26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4878-37B2-B189-684A2FBE3BB5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2812	2712	regsvr32.exe	30
PID 2712 wrote to memory of 2812	2712	regsvr32.exe	30
PID 2712 wrote to memory of 2812	2712	regsvr32.exe	30
PID 2712 wrote to memory of 2812	2712	regsvr32.exe	30
PID 2712 wrote to memory of 2812	2712	regsvr32.exe	30
PID 2712 wrote to memory of 2812	2712	regsvr32.exe	30
PID 2712 wrote to memory of 2812	2712	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\26bda9da7a1fc2d7cc393bb2911468b8_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2812

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/2812-0-0x00000000001B0000-0x0000000000248000-memory.dmp

Filesize
608KB

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