b1a105887048eacbe0c3b322b11aa58413997007538fc63ce67e27b9f7fd5557

Analysis

max time kernel
139s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 17:11

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General

Target

4347cf92efc622884f479f7fac421d3f_JaffaCakes118.dll
Size

732KB
MD5

4347cf92efc622884f479f7fac421d3f
SHA1

4abc4cc25d0b51c180de8049a8eb421d8c92efb9
SHA256

b1a105887048eacbe0c3b322b11aa58413997007538fc63ce67e27b9f7fd5557
SHA512

d6cfb7d744ced8a2baa92981a997e95b9d23b0a5d801527873f33fbca796b562164ec4459235dccfd20e0f7c265f445cb70f7661a4b459fe9ff4604d12f7721a
SSDEEP

12288:dSJWL+tfdTB4zb89B3JASb9+vAzwBKBfuureDsSYzVNyCBmCD0vZNEgqrkCcvEw:dSJWAfXosb9+ocBKcswsSQVNjBExzSkO

Score

9^/10

discovery evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	regsvr32.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4472	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4472	regsvr32.exe
4472	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 4472	2884	regsvr32.exe	84
PID 2884 wrote to memory of 4472	2884	regsvr32.exe	84
PID 2884 wrote to memory of 4472	2884	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4347cf92efc622884f479f7fac421d3f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4347cf92efc622884f479f7fac421d3f_JaffaCakes118.dll
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4472-0-0x0000000000400000-0x0000000000588000-memory.dmp

Filesize
1.5MB

Download
memory/4472-1-0x0000000001450000-0x00000000014ED000-memory.dmp

Filesize
628KB

Download
memory/4472-2-0x00000000774E4000-0x00000000774E6000-memory.dmp

Filesize
8KB

Download
memory/4472-3-0x0000000000401000-0x0000000000418000-memory.dmp

Filesize
92KB

Download
memory/4472-4-0x00000000040F0000-0x00000000040F1000-memory.dmp

Filesize
4KB

Download
memory/4472-7-0x00000000040C0000-0x00000000040C1000-memory.dmp

Filesize
4KB

Download
memory/4472-6-0x0000000004100000-0x0000000004101000-memory.dmp

Filesize
4KB

Download
memory/4472-5-0x0000000004110000-0x0000000004111000-memory.dmp

Filesize
4KB

Download