Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 03:10

General

  • Target

    dhlExpressawbdocs73907708353.17.09.2024100docx.exe

  • Size

    704KB

  • MD5

    eee8b251e71cc62d8a72ea6fbc17269d

  • SHA1

    ef43ff6678751509bf935be71f843ecff14715a6

  • SHA256

    8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f

  • SHA512

    acaabc27d648751e9b08cd57d76b953a94d121b7b373453654ad342d49fc89310c8a1037d5e3624e9b80335beb1c3515fada843e60a6c50ced4d0a39d65a7528

  • SSDEEP

    12288:SeqYIb0v0oNVYQWVv5Rf1t0i6Weps5/OM9YSdZgSydoK9yIlAJx/5Vb72VSBZUHa:Seq3hosQ8vvL3Ks5/OWYSkSQ9yIgV3nT

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe
    "C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5632
    • C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe
      "C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z2scwsbt.bj3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1148-8-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/1148-3-0x0000000005580000-0x0000000005612000-memory.dmp

    Filesize

    584KB

  • memory/1148-10-0x0000000008180000-0x00000000081E8000-memory.dmp

    Filesize

    416KB

  • memory/1148-9-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/1148-5-0x0000000005640000-0x000000000564A000-memory.dmp

    Filesize

    40KB

  • memory/1148-6-0x00000000056F0000-0x000000000578C000-memory.dmp

    Filesize

    624KB

  • memory/1148-7-0x00000000057D0000-0x00000000057DE000-memory.dmp

    Filesize

    56KB

  • memory/1148-1-0x0000000000A20000-0x0000000000AD6000-memory.dmp

    Filesize

    728KB

  • memory/1148-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/1148-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1148-4-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/1148-14-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-13-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-63-0x0000000006420000-0x00000000065E2000-memory.dmp

    Filesize

    1.8MB

  • memory/3964-62-0x0000000006200000-0x0000000006250000-memory.dmp

    Filesize

    320KB

  • memory/3964-18-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-61-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-11-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5632-32-0x0000000005460000-0x00000000057B4000-memory.dmp

    Filesize

    3.3MB

  • memory/5632-50-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

    Filesize

    104KB

  • memory/5632-19-0x0000000004AD0000-0x0000000004AF2000-memory.dmp

    Filesize

    136KB

  • memory/5632-21-0x0000000005370000-0x00000000053D6000-memory.dmp

    Filesize

    408KB

  • memory/5632-31-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/5632-33-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/5632-34-0x0000000005A60000-0x0000000005A7E000-memory.dmp

    Filesize

    120KB

  • memory/5632-35-0x0000000005AA0000-0x0000000005AEC000-memory.dmp

    Filesize

    304KB

  • memory/5632-36-0x0000000006C20000-0x0000000006C52000-memory.dmp

    Filesize

    200KB

  • memory/5632-37-0x00000000706A0000-0x00000000706EC000-memory.dmp

    Filesize

    304KB

  • memory/5632-47-0x0000000006C60000-0x0000000006C7E000-memory.dmp

    Filesize

    120KB

  • memory/5632-48-0x0000000006C80000-0x0000000006D23000-memory.dmp

    Filesize

    652KB

  • memory/5632-49-0x0000000007400000-0x0000000007A7A000-memory.dmp

    Filesize

    6.5MB

  • memory/5632-20-0x0000000005300000-0x0000000005366000-memory.dmp

    Filesize

    408KB

  • memory/5632-51-0x0000000006E20000-0x0000000006E2A000-memory.dmp

    Filesize

    40KB

  • memory/5632-52-0x0000000007030000-0x00000000070C6000-memory.dmp

    Filesize

    600KB

  • memory/5632-53-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

    Filesize

    68KB

  • memory/5632-54-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

    Filesize

    56KB

  • memory/5632-55-0x0000000006FF0000-0x0000000007004000-memory.dmp

    Filesize

    80KB

  • memory/5632-56-0x00000000070F0000-0x000000000710A000-memory.dmp

    Filesize

    104KB

  • memory/5632-57-0x00000000070D0000-0x00000000070D8000-memory.dmp

    Filesize

    32KB

  • memory/5632-60-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/5632-17-0x0000000004B60000-0x0000000005188000-memory.dmp

    Filesize

    6.2MB

  • memory/5632-16-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/5632-15-0x00000000044E0000-0x0000000004516000-memory.dmp

    Filesize

    216KB