2d468975e0feb5275afdce789436b0fd240b1dedbd632193e131209911485e02

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/07/2024, 04:03

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General

Target

37a2e07f9410cbff76fdcd1ed2b965cd_JaffaCakes118.dll
Size

103KB
MD5

37a2e07f9410cbff76fdcd1ed2b965cd
SHA1

2c4eb18296da496a867938f7d08c164750dd864e
SHA256

2d468975e0feb5275afdce789436b0fd240b1dedbd632193e131209911485e02
SHA512

fe4488edb6ecd95662c8cd15cd1d12172061c33ea8ff033d807ef838c8ee2afef2c5329972f2ef3612663038b4c381a61689ed062112cb84fda2bd784c16a894
SSDEEP

1536:dxtGtFgvKCf/mqgsJTXo+iKb1lmD+7HxWKiVoKY+DSa8MZ7a04M52IwQqJ5d:rwtFgvF/mqz5baDKRWRNYISa8MgMBA5d

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2276-2-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral1/memory/2276-3-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral1/memory/2276-6-0x0000000000400000-0x0000000000437000-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\{C0369719-A191-499C-BCD1-B1817098AC2A}	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C0369719-A191-499C-BCD1-B1817098AC2A}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C0369719-A191-499C-BCD1-B1817098AC2A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\37a2e07f9410cbff76fdcd1ed2b965cd_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C0369719-A191-499C-BCD1-B1817098AC2A}\InprocServer32\ThreadingModel = "apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C0369719-A191-499C-BCD1-B1817098AC2A}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2276	2164	rundll32.exe	30
PID 2164 wrote to memory of 2276	2164	rundll32.exe	30
PID 2164 wrote to memory of 2276	2164	rundll32.exe	30
PID 2164 wrote to memory of 2276	2164	rundll32.exe	30
PID 2164 wrote to memory of 2276	2164	rundll32.exe	30
PID 2164 wrote to memory of 2276	2164	rundll32.exe	30
PID 2164 wrote to memory of 2276	2164	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37a2e07f9410cbff76fdcd1ed2b965cd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\37a2e07f9410cbff76fdcd1ed2b965cd_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2276

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/2276-0-0x00000000001E0000-0x000000000021A000-memory.dmp

Filesize
232KB

Download
memory/2276-1-0x00000000001E0000-0x000000000021A000-memory.dmp

Filesize
232KB

Download
memory/2276-2-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2276-3-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2276-5-0x00000000001E0000-0x000000000021A000-memory.dmp

Filesize
232KB

Download
memory/2276-6-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download