31fe6c1915412e5134efd501543732c5421dd089ea3e79ff2c9b19c048f38ff2

Analysis

max time kernel
12s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13-07-2024 04:22

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General

Target

402e214ea3dc0f47338297c59d27fc0e_JaffaCakes118.dll
Size

63KB
MD5

402e214ea3dc0f47338297c59d27fc0e
SHA1

afa329a29d649a07a2f24b5ff0770e4b41bd1441
SHA256

31fe6c1915412e5134efd501543732c5421dd089ea3e79ff2c9b19c048f38ff2
SHA512

5853b7e8dba0ef61374e538781197199cf86fa72bf0f3761aa2765677d9800f559e1c6f1505e8356ad951da7fdc1c168d91ee51e8763d9b0c3058ab0e93ff07e
SSDEEP

768:nHpI5EBmwLXHN6RRHHdB+BmHY97o014/89GH4X6Mgd90YQFO6ZXsSKhAUlxSoLs:nJIMlt6RRdOm214/hVh4KhHnZY

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/2968-0-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral1/memory/2968-2-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral1/memory/2968-1-0x0000000010000000-0x000000001002B000-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\\402e214ea3dc0f47338297c59d27fc0e_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 2488 wrote to memory of 2968	2488	rundll32.exe	29
PID 2488 wrote to memory of 2968	2488	rundll32.exe	29
PID 2488 wrote to memory of 2968	2488	rundll32.exe	29
PID 2488 wrote to memory of 2968	2488	rundll32.exe	29
PID 2488 wrote to memory of 2968	2488	rundll32.exe	29
PID 2488 wrote to memory of 2968	2488	rundll32.exe	29
PID 2488 wrote to memory of 2968	2488	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\402e214ea3dc0f47338297c59d27fc0e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\402e214ea3dc0f47338297c59d27fc0e_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2968

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/2968-0-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/2968-2-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/2968-1-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download