Analysis

  • max time kernel
    120s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/03/2023, 14:47

General

  • Target

    1704307c4598fa8ec273bacaaaa2dfb24ac7e89dde8fd02a3e87b9f55fcdf9b6.exe

  • Size

    2.8MB

  • MD5

    c8d0a1683a5446ccde142003418289ac

  • SHA1

    0c23236f995015e153efec0b02fb8c3e777f3088

  • SHA256

    1704307c4598fa8ec273bacaaaa2dfb24ac7e89dde8fd02a3e87b9f55fcdf9b6

  • SHA512

    c691ec211fe2e557a087f02ffe592509f53e31520599b5d596c019cff1d76745e3fd0d84b3025e04beed99642fab069d38d8047ae4ab32ebcf99c35b79afdd54

  • SSDEEP

    49152:mxQxMl2s1gZg+gh9bOpmfCoXEpOFlTJ8I37p8Okt9S:

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 42 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1704307c4598fa8ec273bacaaaa2dfb24ac7e89dde8fd02a3e87b9f55fcdf9b6.exe
    "C:\Users\Admin\AppData\Local\Temp\1704307c4598fa8ec273bacaaaa2dfb24ac7e89dde8fd02a3e87b9f55fcdf9b6.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3436
    • 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:1400
    • C:\Users\Admin\AppData\Local\Temp\1704307c4598fa8ec273bacaaaa2dfb24ac7e89dde8fd02a3e87b9f55fcdf9b6.exe
      C:\Users\Admin\AppData\Local\Temp\1704307c4598fa8ec273bacaaaa2dfb24ac7e89dde8fd02a3e87b9f55fcdf9b6.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\1704307c4598fa8ec273bacaaaa2dfb24ac7e89dde8fd02a3e87b9f55fcdf9b6.exe.log

    Filesize

    1KB

    MD5

    483d1848396b6fe1cf55d14d1042287a

    SHA1

    351c74ead9a5d85faa7ab68eec5614a4d37f4837

    SHA256

    a86ef1d4dfca8c2e257c70cede2dd1a06e7cba237cf412d6380159f868d75d96

    SHA512

    a024c1bd8e4e915493611986eb50b94ee0b185fc3cb0453310d4b9cbed4c522767f1a5defed1a80b1651a4c6e762d05155eb36a4212685617bce7bbd1c407327

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cfsce1h2.lfn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1400-145-0x0000015A363B0000-0x0000015A363C0000-memory.dmp

    Filesize

    64KB

  • memory/1400-146-0x0000015A363B0000-0x0000015A363C0000-memory.dmp

    Filesize

    64KB

  • memory/1400-147-0x0000015A363B0000-0x0000015A363C0000-memory.dmp

    Filesize

    64KB

  • memory/1400-149-0x0000015A363B0000-0x0000015A363C0000-memory.dmp

    Filesize

    64KB

  • memory/1400-150-0x0000015A363B0000-0x0000015A363C0000-memory.dmp

    Filesize

    64KB

  • memory/1400-151-0x0000015A363B0000-0x0000015A363C0000-memory.dmp

    Filesize

    64KB

  • memory/3436-133-0x0000013937DA0000-0x000001393806A000-memory.dmp

    Filesize

    2.8MB

  • memory/3436-134-0x0000013953AD0000-0x0000013953AE0000-memory.dmp

    Filesize

    64KB

  • memory/3436-135-0x0000013939BD0000-0x0000013939BF2000-memory.dmp

    Filesize

    136KB

  • memory/3436-148-0x0000013953AD0000-0x0000013953AE0000-memory.dmp

    Filesize

    64KB

  • memory/3584-183-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-193-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-160-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-162-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-164-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-166-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-168-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-170-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-171-0x000002B987270000-0x000002B987280000-memory.dmp

    Filesize

    64KB

  • memory/3584-173-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-175-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-177-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-179-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-181-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-157-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-185-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-187-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-189-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-191-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-158-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-195-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-197-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-199-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-201-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-203-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-205-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-207-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-209-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-211-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-213-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-215-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-217-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-219-0x000002B9A1180000-0x000002B9A1278000-memory.dmp

    Filesize

    992KB

  • memory/3584-1894-0x000002B987270000-0x000002B987280000-memory.dmp

    Filesize

    64KB

  • memory/3584-2493-0x000002B987270000-0x000002B987280000-memory.dmp

    Filesize

    64KB

  • memory/3584-2494-0x000002B987270000-0x000002B987280000-memory.dmp

    Filesize

    64KB

  • memory/3584-2495-0x000002B987270000-0x000002B987280000-memory.dmp

    Filesize

    64KB

  • memory/3584-2537-0x000002B987270000-0x000002B987280000-memory.dmp

    Filesize

    64KB

  • memory/3584-2538-0x000002B987270000-0x000002B987280000-memory.dmp

    Filesize

    64KB

  • memory/3584-155-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB