779e9c7bcfc0015dc1dc4b60aa2f799581b90affef3290a4cb0b22ade5fdc1d5

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 00:21

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General

Target
82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe
Size 72KB
Sample240802-anvs5svaqp
SHA256 779e9c7bcfc0015dc1dc4b60aa2f799581b90affef3290a4cb0b22ade5fdc1d5
MD5 82500e48e093df410b2989f68fbfe241
SHA1 ff35efd8b4c72760ba4e3d636406a88ac29501b2
SHA512 5872ef0c3910b7fb9e124e71ea1228fdc271acf852ba447136b781e33c232947effe4d3dc57c7eba9ab558f7651546e21b7c9e674a0afeda0a306bccb019423c
SSDEEP 1536:T1mqlM2ioT1bNI9/RbTD35Ypn9JhXRYfNkgP6wNXconY:5mqWZoTyhVqzhBYfqgP6EXconY
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Control Panel\International\Geo\Nation	82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/896-0-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/896-1-0x0000000000400000-0x0000000000436000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
896	82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe
896	82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 4936	896	82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe	86
PID 896 wrote to memory of 4936	896	82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe	86
PID 896 wrote to memory of 4936	896	82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82500e48e093df410b2989f68fbfe241_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\82500E~1.EXE >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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

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Downloads

memory/896-0-0x0000000000400000-0x0000000000436000-memory.dmp

Download

memory/896-1-0x0000000000400000-0x0000000000436000-memory.dmp