337941284dec6d55649910fc24cead0602e5f29ab026d99a12153ad09f876146

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 11:24

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General

Target

5bbc6f6bec3e14b3d9514d5e6820f941_JaffaCakes118.dll
Size

2.4MB
MD5

5bbc6f6bec3e14b3d9514d5e6820f941
SHA1

1f5db3f8cbd1ed8f44c12f2a3201dab059447fef
SHA256

337941284dec6d55649910fc24cead0602e5f29ab026d99a12153ad09f876146
SHA512

187818ac311ce22e3f5ddb92d9086da13091f0c4412ed90a5d45615f85adb880eab6b4bf6b0564cb94c79560dcf5a12ed90e934564fa968f4b1241be3f69384a
SSDEEP

49152:Z5IOvwJ5SK3AGMhJt2bKc4wYRhp26hbKD0QbtoyRt7KF:ZSOYvSK3TMhJOKyYRe0QJo4eF

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{C2B5AAB8-2183-4be7-81A6-F11493C45872}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\ = "Antivirus Plus BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 2876	3604	regsvr32.exe	86
PID 3604 wrote to memory of 2876	3604	regsvr32.exe	86
PID 3604 wrote to memory of 2876	3604	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5bbc6f6bec3e14b3d9514d5e6820f941_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5bbc6f6bec3e14b3d9514d5e6820f941_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2876

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/2876-0-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

Filesize
72KB

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memory/2876-5-0x00000000028A0000-0x0000000002AE2000-memory.dmp

Filesize
2.3MB

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