Overview

overview

8

Static

static

8

3b86f3f5f1...5a.exe

windows7_x64

8

3b86f3f5f1...5a.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    207s
  • max time network
    213s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 16:10

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General

  • Target

    3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a.exe

  • Size

    1.1MB

  • MD5

    93f64149d23368873b4348a6ab133579

  • SHA1

    5ae0bb0fb40e3e0a1179ce19e28763a7f7dd6488

  • SHA256

    3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a

  • SHA512

    bbe3b12056c986e0c48a53b4d284f3c6e3c0afb641bf5bac3a4ab79e93c867d7fcd6a96260e4b16c3fd350dbe9a92ffcf8555c21ff7b877d3c0bd7495db477c5

Score
8/10
aspackv2

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a.exe
    "C:\Users\Admin\AppData\Local\Temp\3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\restartok3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a.exe
      "C:\Users\Admin\AppData\Local\Temp\restartok3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a.exe" ad
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1188

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\restartok3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a.exe
    Filesize

    1.1MB

    MD5

    93f64149d23368873b4348a6ab133579

    SHA1

    5ae0bb0fb40e3e0a1179ce19e28763a7f7dd6488

    SHA256

    3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a

    SHA512

    bbe3b12056c986e0c48a53b4d284f3c6e3c0afb641bf5bac3a4ab79e93c867d7fcd6a96260e4b16c3fd350dbe9a92ffcf8555c21ff7b877d3c0bd7495db477c5

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\restartok3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a.exe
    Filesize

    1.1MB

    MD5

    93f64149d23368873b4348a6ab133579

    SHA1

    5ae0bb0fb40e3e0a1179ce19e28763a7f7dd6488

    SHA256

    3b86f3f5f166277d119867360fddd7b05c09c0a359dc467ac435163a305d4c5a

    SHA512

    bbe3b12056c986e0c48a53b4d284f3c6e3c0afb641bf5bac3a4ab79e93c867d7fcd6a96260e4b16c3fd350dbe9a92ffcf8555c21ff7b877d3c0bd7495db477c5

    Download Submit
  • memory/1188-131-0x0000000000000000-mapping.dmp
    Download
  • memory/1188-134-0x0000000000400000-0x00000000007A5000-memory.dmp
    Filesize

    3.6MB

    Download
  • memory/1188-136-0x0000000000400000-0x00000000007A5000-memory.dmp
    Filesize

    3.6MB

    Download
  • memory/4928-130-0x0000000000400000-0x00000000007A5000-memory.dmp
    Filesize

    3.6MB

    Download
  • memory/4928-135-0x0000000000400000-0x00000000007A5000-memory.dmp
    Filesize

    3.6MB

    Download