52547ed1eb586626fb1d35d8c68a570d72cdaafa45874e93c05f455a403338aa

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 11:34

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General

Target

73e138bd0a00976073b067b5117ff80c_JaffaCakes118.dll
Size

794KB
MD5

73e138bd0a00976073b067b5117ff80c
SHA1

3522b263aafbe41024d64184720769c3147e6e3c
SHA256

52547ed1eb586626fb1d35d8c68a570d72cdaafa45874e93c05f455a403338aa
SHA512

1a9758a1e869fe778c16cb07e15e8587a32eb07dc500b179184605c37498aef5fa7779d9db29532cf0bfd85fc611d925a84a57ac81d2f0b3a114bac634c92fe0
SSDEEP

12288:AKdiQih1N5qDY9wnsg9gi+q/pNM3qdi52HYrPUVgA9mYBUo1y1c97HawXngFq:AKXaL54rfQ6JePNN2k1ch3D

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-1-5-21-3419463127-3903270268-2580331543-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4436	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3860	4436	WerFault.exe	86

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
4436	regsvr32.exe
4436	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 4436	4696	regsvr32.exe	86
PID 4696 wrote to memory of 4436	4696	regsvr32.exe	86
PID 4696 wrote to memory of 4436	4696	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\73e138bd0a00976073b067b5117ff80c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\73e138bd0a00976073b067b5117ff80c_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:4436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 828
    3⤵
    - Program crash
    PID:3860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4436 -ip 4436
1⤵
PID:3316

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/4436-0-0x0000000002B90000-0x0000000002D51000-memory.dmp

Filesize
1.8MB

Download
memory/4436-1-0x0000000002B90000-0x0000000002D51000-memory.dmp

Filesize
1.8MB

Download
memory/4436-2-0x0000000002D60000-0x0000000002DFD000-memory.dmp

Filesize
628KB

Download
memory/4436-3-0x0000000077084000-0x0000000077086000-memory.dmp

Filesize
8KB

Download
memory/4436-4-0x0000000002B91000-0x0000000002BA6000-memory.dmp

Filesize
84KB

Download
memory/4436-5-0x0000000002B90000-0x0000000002D51000-memory.dmp

Filesize
1.8MB

Download
memory/4436-6-0x0000000002B90000-0x0000000002D51000-memory.dmp

Filesize
1.8MB

Download