a8e0c2f9969edc80713b16a99b96f77c45cacc11e328edcc09d3e25be299bf2c

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 11:36

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General

Target

05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe
Size

225KB
MD5

05aafca0d0c29aed67acb170f5016630
SHA1

ffb731839d082991b61f843decf74e1c80cb3f33
SHA256

a8e0c2f9969edc80713b16a99b96f77c45cacc11e328edcc09d3e25be299bf2c
SHA512

cf2f9df37ce810e35d25779c1a95a34eff0bcf37c7a610606d822b8aa6602bf3ec6217b0ce65bae70913f48cdb0e88af5d298923d0796332bbbe748a05ee5389
SSDEEP

6144:BrVQWSrCKcrQI0doFiCzx0WikxyiFo9FL76WlV+QO+:dVQd2KcrtikxNi9FL7Lr+S

Score

7^/10

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2860	SCRBuilderuninst0.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	SCRBuilderuninst0.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2488-0-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/files/0x00070000000234dd-6.dat	upx
behavioral2/memory/2860-10-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/2488-11-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/2488-14-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/2860-16-0x0000000000400000-0x00000000004A0000-memory.dmp	upx

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	05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SCRBuilderuninst0.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2860	2488	05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe	82
PID 2488 wrote to memory of 2860	2488	05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe	82
PID 2488 wrote to memory of 2860	2488	05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05aafca0d0c29aed67acb170f5016630_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\SCRBuilderuninst0.exe
  "C:\Users\Admin\AppData\Local\Temp\SCRBuilderuninst0.exe" -delfile C:\Users\Admin\AppData\Local\Temp\05AAFC~1.EXE "Screensaver Setup" "pal4-5 has been successfully removed from your computer."
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2860

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\SCRBuilderuninst0.exe

Filesize
225KB

MD5
05aafca0d0c29aed67acb170f5016630

SHA1
ffb731839d082991b61f843decf74e1c80cb3f33

SHA256
a8e0c2f9969edc80713b16a99b96f77c45cacc11e328edcc09d3e25be299bf2c

SHA512
cf2f9df37ce810e35d25779c1a95a34eff0bcf37c7a610606d822b8aa6602bf3ec6217b0ce65bae70913f48cdb0e88af5d298923d0796332bbbe748a05ee5389

Download Submit
memory/2488-0-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/2488-1-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download
memory/2488-11-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/2488-14-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/2860-10-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/2860-12-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/2860-16-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download