Analysis

  • max time kernel
    84s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    08-04-2021 08:16

General

  • Target

    13db34cab435d9858269c5e823f4b575.exe

  • Size

    1.2MB

  • MD5

    13db34cab435d9858269c5e823f4b575

  • SHA1

    c6e9c301d3cfaf6671490c47c1ed4eb59f343f21

  • SHA256

    63ca5cde7141ae503639f3022f4dc4a244e8b19bf320d55a9567789aa632d036

  • SHA512

    dfd36c39b35cf1aed2b76e38d4a08c41792611cf886d337d129a19c963878cc53fb7a0d71e078d2d38e61d8341a938869686f62673f080a7182020cd08c2c6a8

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13db34cab435d9858269c5e823f4b575.exe
    "C:\Users\Admin\AppData\Local\Temp\13db34cab435d9858269c5e823f4b575.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Local\Temp\13db34cab435d9858269c5e823f4b575.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:788
      • C:\Users\Admin\AppData\Local\Temp\svclip.exe
        "C:\Users\Admin\AppData\Local\Temp\svclip.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ssWeviPUYoTiS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FB6.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:1920
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "{path}"
          4⤵
            PID:1688

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\svclip.exe
      MD5

      b43b82493284862ef7d7e7b8feaf8e4f

      SHA1

      de7ef2944d30c82b52e5e802d69c59b987483bc3

      SHA256

      88c2393e039e2a6e94bfc865b261d07e6491c9ab8114b35cb05a3a69ad2cc59c

      SHA512

      654577a704d8ffd1ccce55d2420b09ea6b639d1a66f1d1de9f3bb0bb91cae36c950065d720537137c30636257e6c7e6a6c06b9d7ff3d11f5da2283f86c5ca04f

    • C:\Users\Admin\AppData\Local\Temp\svclip.exe
      MD5

      b43b82493284862ef7d7e7b8feaf8e4f

      SHA1

      de7ef2944d30c82b52e5e802d69c59b987483bc3

      SHA256

      88c2393e039e2a6e94bfc865b261d07e6491c9ab8114b35cb05a3a69ad2cc59c

      SHA512

      654577a704d8ffd1ccce55d2420b09ea6b639d1a66f1d1de9f3bb0bb91cae36c950065d720537137c30636257e6c7e6a6c06b9d7ff3d11f5da2283f86c5ca04f

    • C:\Users\Admin\AppData\Local\Temp\tmp4FB6.tmp
      MD5

      5f7d04218e1fc858d0e8d54648a300a6

      SHA1

      e884324e76bf793de6a0bb40026b571fe38ee051

      SHA256

      b50263340d8e5745ce0e59fd8036835557e929573472434e34155326c8bb5ec4

      SHA512

      13023e5cce4311e4aa8cfbe4394290320182f6e5016692d2313d1888eaf6e1625b787fc84605648465ac1db703e77838f6d9edc1dede060f840998ef5094afcb

    • \Users\Admin\AppData\Local\Temp\svclip.exe
      MD5

      b43b82493284862ef7d7e7b8feaf8e4f

      SHA1

      de7ef2944d30c82b52e5e802d69c59b987483bc3

      SHA256

      88c2393e039e2a6e94bfc865b261d07e6491c9ab8114b35cb05a3a69ad2cc59c

      SHA512

      654577a704d8ffd1ccce55d2420b09ea6b639d1a66f1d1de9f3bb0bb91cae36c950065d720537137c30636257e6c7e6a6c06b9d7ff3d11f5da2283f86c5ca04f

    • memory/788-65-0x0000000000400000-0x000000000041C000-memory.dmp
      Filesize

      112KB

    • memory/788-66-0x000000000041654E-mapping.dmp
    • memory/788-67-0x0000000000400000-0x000000000041C000-memory.dmp
      Filesize

      112KB

    • memory/788-69-0x0000000004E50000-0x0000000004E51000-memory.dmp
      Filesize

      4KB

    • memory/1688-86-0x0000000004B00000-0x0000000004B01000-memory.dmp
      Filesize

      4KB

    • memory/1688-84-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/1688-83-0x000000000040403E-mapping.dmp
    • memory/1688-82-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/1740-71-0x0000000000000000-mapping.dmp
    • memory/1740-74-0x00000000010D0000-0x00000000010D1000-memory.dmp
      Filesize

      4KB

    • memory/1740-77-0x0000000000690000-0x0000000000691000-memory.dmp
      Filesize

      4KB

    • memory/1740-78-0x0000000004880000-0x00000000048D9000-memory.dmp
      Filesize

      356KB

    • memory/1740-79-0x0000000000430000-0x0000000000435000-memory.dmp
      Filesize

      20KB

    • memory/1904-59-0x0000000000840000-0x0000000000841000-memory.dmp
      Filesize

      4KB

    • memory/1904-64-0x0000000005120000-0x000000000517B000-memory.dmp
      Filesize

      364KB

    • memory/1904-63-0x0000000007D40000-0x0000000007DE7000-memory.dmp
      Filesize

      668KB

    • memory/1904-62-0x00000000004E0000-0x00000000004E5000-memory.dmp
      Filesize

      20KB

    • memory/1904-61-0x00000000042D0000-0x00000000042D1000-memory.dmp
      Filesize

      4KB

    • memory/1920-80-0x0000000000000000-mapping.dmp