1bd56b73f3b4b5a0622b0e7fa27da6e08f42aaac69d6f93f05f72dfc9a103bcf

Analysis

max time kernel
1s
max time network
6s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2024, 21:55

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Reason

Machine shutdown

Report Analysis Logs

General

Target

81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe
Size

640KB
MD5

81dfb104612725a6baa459ef1a91cf69
SHA1

4432f6ca8a429a9fd07271b8c542cf8922c990d4
SHA256

1bd56b73f3b4b5a0622b0e7fa27da6e08f42aaac69d6f93f05f72dfc9a103bcf
SHA512

051f4601f397e1c6e817c413dba88c3d337ed60d0d5148e76b2ca95dfdbd02021ca8b3ad891a3bb483c093477bb9888b0ad8c7076470a0e3e66d6bf4038e2d4c
SSDEEP

12288:MBEaqSPegLFiOixZDolLKpzQWvhNNuzkPBDwKYbcyJuRLb3gp9bX6:ajHma/Cb8zkPRxzywAvbK

Score

7^/10

discovery

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 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\SystemBiosDate	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CD7E19B0-FB16-32A0-5CCD-68B7990466A5}	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 3964	4536	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe	84
PID 4536 wrote to memory of 3964	4536	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe	84
PID 4536 wrote to memory of 3964	4536	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe	84
PID 4536 wrote to memory of 3964	4536	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe	84
PID 4536 wrote to memory of 3964	4536	81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Users\Admin\AppData\Local\Temp\81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\81dfb104612725a6baa459ef1a91cf69_JaffaCakes118.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3964-2-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/3964-4-0x0000000000630000-0x0000000000696000-memory.dmp

Filesize
408KB

Download
memory/3964-9-0x0000000000630000-0x0000000000696000-memory.dmp

Filesize
408KB

Download
memory/3964-10-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/3964-11-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/3964-14-0x0000000000630000-0x0000000000696000-memory.dmp

Filesize
408KB

Download
memory/3964-13-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/3964-12-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/3964-15-0x0000000000630000-0x0000000000696000-memory.dmp

Filesize
408KB

Download
memory/4536-0-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/4536-16-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download