213bf44f481f5796f3a2549132f408998efd92a051f82cd330612b59c2aa33d9

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/07/2024, 02:31

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General

Target

375e79c89b009d281e5e98e817930fa7_JaffaCakes118.dll
Size

63KB
MD5

375e79c89b009d281e5e98e817930fa7
SHA1

0f1c3ed5a3e090eb73c9ce182149dd95f7d80dcf
SHA256

213bf44f481f5796f3a2549132f408998efd92a051f82cd330612b59c2aa33d9
SHA512

685d9db6baf8b8629e347734c4e55127678bd3fa39981818e7c731622472ce9b818da3941e27b5aea87aed21960c615595dffb03bb195b5a73bbb8fb49c43902
SSDEEP

768:nHpI5EBmwLXHN6RRHHdB+BmHY97o014/89GH4X6Mgd90YQFO6ZXsSKhAUlxSoL3:nJIMlt6RRdOm214/hVh4KhHnZr

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/1640-1-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral1/memory/1640-2-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral1/memory/1640-0-0x0000000010000000-0x000000001002B000-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\{938A8A03-A938-4019-B764-03FF8D167D79}	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\375e79c89b009d281e5e98e817930fa7_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 1640	2292	rundll32.exe	30
PID 2292 wrote to memory of 1640	2292	rundll32.exe	30
PID 2292 wrote to memory of 1640	2292	rundll32.exe	30
PID 2292 wrote to memory of 1640	2292	rundll32.exe	30
PID 2292 wrote to memory of 1640	2292	rundll32.exe	30
PID 2292 wrote to memory of 1640	2292	rundll32.exe	30
PID 2292 wrote to memory of 1640	2292	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\375e79c89b009d281e5e98e817930fa7_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\375e79c89b009d281e5e98e817930fa7_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1640

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/1640-1-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/1640-2-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/1640-0-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download