Overview

overview

10

Static

static

10

63e39d1624...9d.exe

windows7-x64

10

63e39d1624...9d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 23:33

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General

  • Target

    63e39d16245e776d15a48a23e20ecd21f758ed482965c549463ec5417562979d.exe

  • Size

    72KB

  • MD5

    bcec7faeb8082a9519433044e2e2d75d

  • SHA1

    66a7b76862878df7fe5007413d164e6e9161f723

  • SHA256

    63e39d16245e776d15a48a23e20ecd21f758ed482965c549463ec5417562979d

  • SHA512

    4cfaeabcd161a6982ecc1aa3a9f048527fdb0780ce5ebdca9d6edc7bc44f2ca1f65374e781df0652c73bbbad81c4f6d339b268d83a6848a5c347620bbe2e3e7b

  • SSDEEP

    768:EoB7Mxx0Fs4G7WHNwwYGsNmCx2jbogr3ieBr3LOtCoP0w4ClZJ2tYcFmVc6K:EoB7MxmPIN/6b/rSGLcC2VrJKmVcl

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

Default

C2

seznam.zapto.org:6606

seznam.zapto.org:7707

seznam.zapto.org:8808

milla.publicvm.com:6606

milla.publicvm.com:7707

milla.publicvm.com:8808
Mutex

tibhzadmqmdah

Attributes
  • delay

    4

  • install

    true

  • install_file

    sezneml.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Asyncrat family
    asyncrat
  • Async RAT payload 1 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\63e39d16245e776d15a48a23e20ecd21f758ed482965c549463ec5417562979d.exe
    "C:\Users\Admin\AppData\Local\Temp\63e39d16245e776d15a48a23e20ecd21f758ed482965c549463ec5417562979d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /ru system /rl highest /tn 63e39d16245e776d15a48a23e20ecd21f758ed482965c549463ec5417562979d /tr '"C:\Users\Admin\AppData\Roaming\sezneml.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /ru system /rl highest /tn 63e39d16245e776d15a48a23e20ecd21f758ed482965c549463ec5417562979d /tr '"C:\Users\Admin\AppData\Roaming\sezneml.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4016
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9FBA.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4028
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:8
      • C:\Users\Admin\AppData\Roaming\sezneml.exe
        "C:\Users\Admin\AppData\Roaming\sezneml.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9FBA.tmp.bat
    Filesize

    151B

    MD5

    99e518f54ae03e4ff5f51a112d611dd4

    SHA1

    e25bc94fe507cafc607ac7feff816d3ec76d8694

    SHA256

    904d29adf36c0763f74aa0b88395cd341c921f43d5d63a6a12049aa655f3a71a

    SHA512

    d7e79d3fe71e0257eb810d0911ec490155a2a970488697b6721303ffcec44ebc17c425bdc25e754cf421934125a231d5353ea8c0be8c9d38613ec35b6b82cbc9

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  • C:\Users\Admin\AppData\Roaming\sezneml.exe
    Filesize

    72KB

    MD5

    bcec7faeb8082a9519433044e2e2d75d

    SHA1

    66a7b76862878df7fe5007413d164e6e9161f723

    SHA256

    63e39d16245e776d15a48a23e20ecd21f758ed482965c549463ec5417562979d

    SHA512

    4cfaeabcd161a6982ecc1aa3a9f048527fdb0780ce5ebdca9d6edc7bc44f2ca1f65374e781df0652c73bbbad81c4f6d339b268d83a6848a5c347620bbe2e3e7b

    Download Submit

  • memory/3472-0-0x00007FFC5A983000-0x00007FFC5A985000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3472-1-0x00000000009A0000-0x00000000009B2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3472-2-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3472-7-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

    Filesize

    10.8MB

    Download