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Resubmissions

11/05/2023, 15:59

230511-te7wwsgh51 10

11/05/2023, 15:55

230511-tc28mafc9s 7

Analysis

  • max time kernel
    142s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2023, 15:55

General

  • Target

    Chase_Bank_Statement0143121402341.exe

  • Size

    46.4MB

  • MD5

    3b5b953161b67511571722028157e57b

  • SHA1

    1850bc9b1e5b15318c248f12c8e306a304971c10

  • SHA256

    b5d9d38d8285c25ea78f51e8ca4f733a32288304877008200f4fe387d6f274c9

  • SHA512

    08a9fca3864faba290998d700fe29ed2adbe55e7418d605fb017ea030b476b88429a0c5f77867b7504cc0e7f51af9538112e98796c7033fd96a63aaa41946d35

  • SSDEEP

    786432:7ZHQRRSZ5s9OYQ9huQDAwpu4MGxoxgoACrN4CDKsI9b:7ZHX69WhuQDAwsGKGc+CDPOb

Score
7/10

Malware Config

Signatures

  • 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).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Chase_Bank_Statement0143121402341.exe
    "C:\Users\Admin\AppData\Local\Temp\Chase_Bank_Statement0143121402341.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1068 -s 1360
      2⤵
      • Program crash
      PID:1296
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 436 -p 1068 -ip 1068
    1⤵
      PID:3264

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_konm5gxv.buy.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1068-139-0x00007FFC355F0000-0x00007FFC355F2000-memory.dmp

      Filesize

      8KB

    • memory/1068-142-0x000001F800070000-0x000001F8000F3000-memory.dmp

      Filesize

      524KB

    • memory/1068-136-0x00007FFC375B0000-0x00007FFC375B2000-memory.dmp

      Filesize

      8KB

    • memory/1068-137-0x00007FFC375C0000-0x00007FFC375C2000-memory.dmp

      Filesize

      8KB

    • memory/1068-138-0x00007FFC355E0000-0x00007FFC355E2000-memory.dmp

      Filesize

      8KB

    • memory/1068-133-0x00007FFC37850000-0x00007FFC37852000-memory.dmp

      Filesize

      8KB

    • memory/1068-140-0x00007FF79F650000-0x00007FF7A24C5000-memory.dmp

      Filesize

      46.5MB

    • memory/1068-135-0x00007FFC37870000-0x00007FFC37872000-memory.dmp

      Filesize

      8KB

    • memory/1068-158-0x000001F800070000-0x000001F8000F3000-memory.dmp

      Filesize

      524KB

    • memory/1068-134-0x00007FFC37860000-0x00007FFC37862000-memory.dmp

      Filesize

      8KB

    • memory/1728-153-0x0000024AA2540000-0x0000024AA2550000-memory.dmp

      Filesize

      64KB

    • memory/1728-154-0x0000024AA2540000-0x0000024AA2550000-memory.dmp

      Filesize

      64KB

    • memory/1728-155-0x0000024AA2540000-0x0000024AA2550000-memory.dmp

      Filesize

      64KB

    • memory/1728-143-0x0000024AA2490000-0x0000024AA24B2000-memory.dmp

      Filesize

      136KB