db86e9678618bb83bf136de53ee4b1345b8899f5556fadd0b59e7fa4cf43989b

Analysis

max time kernel
95s
max time network
96s
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, 05:57

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General

Target

83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe
Size

29KB
MD5

83473fa5fb3a1fb7ec92c50ae38f6808
SHA1

0b4b0de4d716a1d4f89d86dc2563a57fd78cff46
SHA256

db86e9678618bb83bf136de53ee4b1345b8899f5556fadd0b59e7fa4cf43989b
SHA512

aafe4f56180f0e337ffb6d5abd2dc406809c87ca5ff10ac61ed868b2716d86622f74bb596c68d459b8d31da8d04ba3ef3ae9dc36971b43787f4b23b6de32855c
SSDEEP

768:TieFOGaEYFJ3FKMNQzI9v65He/v2i0ctJkM4cr:TXOGaEyhLN88i9en2J0r

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-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation	83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2116-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2116-2-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2672-3-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2672-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MW6K73g7.exe	83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\MW6K73g7.exe	83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1688	2672	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	83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2672	2116	83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe	86
PID 2116 wrote to memory of 2672	2116	83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe	86
PID 2116 wrote to memory of 2672	2116	83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\83473fa5fb3a1fb7ec92c50ae38f6808_JaffaCakes118.exe" y
  2⤵
  - Drops file in System32 directory
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 404
    3⤵
    - Program crash
    PID:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2672 -ip 2672
1⤵
PID:2612

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

memory/2116-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2116-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2672-3-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2672-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download