Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-05-2023 02:11

General

  • Target

    9c4bed3e367c58faa476e1f02c6f3270daba50527eee5a20d4f25a4610cd56e2.exe

  • Size

    6KB

  • MD5

    c77154b7b463d59152d2ed3c8dd92ef5

  • SHA1

    2a856b03e0e67084c48a95e2d97a1b4bd27698ed

  • SHA256

    9c4bed3e367c58faa476e1f02c6f3270daba50527eee5a20d4f25a4610cd56e2

  • SHA512

    fb8376c39b31f67915488664e3c2c69e4a6ca36692bcdbfc9b1e12a500cf81e196967d386ef6a3184ed59a6f86555eda6a9b93bb0eb71a79d354b498319d56db

  • SSDEEP

    96:aAlyWIK4Sfxi04wgazMEiwr0a9OXOhdtbzNt:adKP4FwMEocOXON9

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c4bed3e367c58faa476e1f02c6f3270daba50527eee5a20d4f25a4610cd56e2.exe
    "C:\Users\Admin\AppData\Local\Temp\9c4bed3e367c58faa476e1f02c6f3270daba50527eee5a20d4f25a4610cd56e2.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1028
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i0yvosar.pnk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1028-168-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-167-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-134-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-170-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-133-0x00000133A1BD0000-0x00000133A1BD6000-memory.dmp

    Filesize

    24KB

  • memory/1028-169-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-135-0x00000133BCA70000-0x00000133BCA92000-memory.dmp

    Filesize

    136KB

  • memory/1028-159-0x00000133BED50000-0x00000133BEDA0000-memory.dmp

    Filesize

    320KB

  • memory/1028-148-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-160-0x00000133BF000000-0x00000133BF1C2000-memory.dmp

    Filesize

    1.8MB

  • memory/1028-155-0x00000133BD8F0000-0x00000133BD924000-memory.dmp

    Filesize

    208KB

  • memory/1028-154-0x00000133BD8E0000-0x00000133BD8E1000-memory.dmp

    Filesize

    4KB

  • memory/1028-156-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-157-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/1028-158-0x00000133BCAC0000-0x00000133BCAD0000-memory.dmp

    Filesize

    64KB

  • memory/3940-146-0x000002DC00130000-0x000002DC00140000-memory.dmp

    Filesize

    64KB

  • memory/3940-151-0x000002DC00130000-0x000002DC00140000-memory.dmp

    Filesize

    64KB

  • memory/3940-150-0x000002DC00130000-0x000002DC00140000-memory.dmp

    Filesize

    64KB

  • memory/3940-149-0x000002DC00130000-0x000002DC00140000-memory.dmp

    Filesize

    64KB

  • memory/3940-147-0x000002DC00130000-0x000002DC00140000-memory.dmp

    Filesize

    64KB

  • memory/3940-145-0x000002DC00130000-0x000002DC00140000-memory.dmp

    Filesize

    64KB