eff96cbd7311f20cf51f9aa4b68a28c4a74d633c18dd54dd11ee99a41bab924c

Analysis

max time kernel
92s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 22:13

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General

Target

f6f53e3e1752027ec2fdf342cfcf96cc_JaffaCakes118.dll
Size

805KB
MD5

f6f53e3e1752027ec2fdf342cfcf96cc
SHA1

9143be73004afd9a0b16c8b8a08797b462a18f38
SHA256

eff96cbd7311f20cf51f9aa4b68a28c4a74d633c18dd54dd11ee99a41bab924c
SHA512

d82c10bafb8a3066f7208c9bdcbd047c04cb1b1ae1a0b8b6678491d6d50bbe4ab56fd3609e81356347c67e4c3d3eef486409db5573b0aebaba0ea4946cd3f08f
SSDEEP

12288:us7PZMQhtCUyK2TK7kYFm3Z6xBRQeyyGC14yYm48t8rcYhI/JPK9JKOqLBZ9:ZPZFtCUaTU1OQ5y21xAccI/ecOe

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

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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-1-5-21-656926755-4116854191-210765258-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2328	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
2328	regsvr32.exe
2328	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 2328	4152	regsvr32.exe	82
PID 4152 wrote to memory of 2328	4152	regsvr32.exe	82
PID 4152 wrote to memory of 2328	4152	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f6f53e3e1752027ec2fdf342cfcf96cc_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f6f53e3e1752027ec2fdf342cfcf96cc_JaffaCakes118.dll
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2328

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 Information Discovery

T1082

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/2328-0-0x0000000000CE0000-0x0000000000EA6000-memory.dmp

Filesize
1.8MB

Download
memory/2328-1-0x0000000000CE0000-0x0000000000EA6000-memory.dmp

Filesize
1.8MB

Download
memory/2328-2-0x00000000022E0000-0x000000000237D000-memory.dmp

Filesize
628KB

Download
memory/2328-3-0x0000000077B94000-0x0000000077B96000-memory.dmp

Filesize
8KB

Download
memory/2328-5-0x0000000000CE0000-0x0000000000EA6000-memory.dmp

Filesize
1.8MB

Download
memory/2328-4-0x0000000000CE1000-0x0000000000CF4000-memory.dmp

Filesize
76KB

Download
memory/2328-11-0x0000000003720000-0x0000000003722000-memory.dmp

Filesize
8KB

Download
memory/2328-10-0x0000000003690000-0x0000000003691000-memory.dmp

Filesize
4KB

Download
memory/2328-9-0x00000000036C0000-0x00000000036C1000-memory.dmp

Filesize
4KB

Download
memory/2328-8-0x00000000036B0000-0x00000000036B1000-memory.dmp

Filesize
4KB

Download
memory/2328-7-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/2328-6-0x0000000000CE0000-0x0000000000EA6000-memory.dmp

Filesize
1.8MB

Download