Analysis

  • max time kernel
    99s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2023 01:20

General

  • Target

    0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe

  • Size

    1.6MB

  • MD5

    58f5d3f738283351db8a2dbafb50be24

  • SHA1

    9c18d5b5957ecf187fb5a2e68a6868a8cd719265

  • SHA256

    0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba

  • SHA512

    80bbf70fc808c593f1b9c58d11d2d32624040917ae54d0c0eb577bde522a1bb1b914c8578a811743bcbc2dbe62a0b8609cc65093d81ca296662e33c71913e3d0

  • SSDEEP

    24576:Di2Q9NXw2/wPOjdGxY2rqkqjVnlqud+/2P+A+ZecdyFoBkkAnexMrdgL/:mTq24GjdGSiqkqXfd+/9AqYanieKd

Score
10/10

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1122279032260665414/W-unCHniD2YI670Bytn7FIpY-nux43_owoRzlVZOux3NvAnntnyH_9eSHWkJsi-nQBDo

Signatures

  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe
    "C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpF11B.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
          PID:4620
        • C:\Windows\SysWOW64\taskkill.exe
          TaskKill /F /IM 4868
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3720
        • C:\Windows\SysWOW64\timeout.exe
          Timeout /T 2 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:4564

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF11B.tmp.bat

      Filesize

      57B

      MD5

      1843d50c5dc55202874452f47ad02aff

      SHA1

      74ae96b9ce71a26476f1068b54b84fbbe964580d

      SHA256

      0d4982123354fc6aa61af59c337f128759739ce2e0c15fdc592a8b18839d7ebb

      SHA512

      635b0dffbfd81f6dd4969145b1846a584dc42f21c2a08c0a4b9789f20ef8fff2847dc74799aafcb8264642b9a97d976e59c2af6c73a09d2393244f8f45836207

    • memory/4868-133-0x00000000008A0000-0x0000000000A32000-memory.dmp

      Filesize

      1.6MB

    • memory/4868-134-0x0000000005250000-0x00000000052B6000-memory.dmp

      Filesize

      408KB

    • memory/4868-135-0x00000000052D0000-0x00000000052E0000-memory.dmp

      Filesize

      64KB

    • memory/4868-136-0x00000000052D0000-0x00000000052E0000-memory.dmp

      Filesize

      64KB