8f76c11fbd2f809d459a7bd4886de92b3a531137f8e8e4d39dd3f7455c9e028a

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 15:45

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General

Target

355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe
Size

29KB
MD5

355e4eb57bb01428d6f7d9dcb115bbe8
SHA1

6b9b6f8ed10676bf81af02986139f5b8ea45b023
SHA256

8f76c11fbd2f809d459a7bd4886de92b3a531137f8e8e4d39dd3f7455c9e028a
SHA512

917fa2f0ca59d879b654e7b1954f4b0f27dc739626186270634e5ae4146dff7f88ac2006c54b40e7984cdf3662d84bd9f0992a6fb4783446ef485ad1f9a2340c
SSDEEP

768:cTNMUzADPABEhEHX8SBc+Rk/e6KpQlosbd8IDcN:mNMU8DIZVRzTwo6pgN

Score

7^/10

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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3264-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3264-2-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/4632-3-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/4632-4-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/4632-7-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vA87rBi3.exe	355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vA87rBi3.exe	355e4eb57bb01428d6f7d9dcb115bbe8_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
3652	4632	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 4632	3264	355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4632	3264	355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4632	3264	355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3264
- C:\Users\Admin\AppData\Local\Temp\355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\355e4eb57bb01428d6f7d9dcb115bbe8_JaffaCakes118.exe" y
  2⤵
  - Drops file in System32 directory
  PID:4632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 404
    3⤵
    - Program crash
    PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4632 -ip 4632
1⤵
PID:2340

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3264-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3264-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4632-3-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4632-4-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4632-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download