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Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2023, 06:22

General

  • Target

    Shipping Documents.pdf.exe

  • Size

    955KB

  • MD5

    942bae42d55b0f96f3b71d4615ceade1

  • SHA1

    ab228e994517f9172791fc811af5c7d97feeb62b

  • SHA256

    7f01e18e55c703b1a21ec0f57483da3de9d5565ce3e440028d40cf553977a101

  • SHA512

    f0ff10f52c474157bf5d53673ec929d67aee9cf325e97cc53800e2cd0ec2e2fabe7662c9d8b5d86f08bb4444d201e5ea0e45a79946faa0c28b05703d96beb205

  • SSDEEP

    12288:hxBk76hehkkhj63DlY7E3RbHN1Hn9+xUkU07O8R:hxuvXj6h3RN1HfkF7n

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5869504375:AAFm1Z7IkZTyjASpoFpmokA0jISwF8dTPE0/sendMessage?chat_id=6033043077

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 2 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:376
    • 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\Shipping Documents.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1192
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QTgIqHSWvlZhX.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QTgIqHSWvlZhX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D69.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2816
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"
      2⤵
        PID:2244
      • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4540

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jm50ecva.3xy.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp2D69.tmp

      Filesize

      1KB

      MD5

      18b003142bcaf07326f133356453d610

      SHA1

      b391595be9e4d2a2da3f3265d47dd832ee05f934

      SHA256

      caac6732ee8007503905c3f6a4bb6794f8bdc27fc30f4e796dfbb798dfdf91dd

      SHA512

      d4d0c3116c39b46555c084cb783a681f8ada3153069c0f994684c07f1a1b2ddb5a3b5c3f17bafc155da6f6fdceaa12818e5762986671c04b80273dcaa5f16a99

    • memory/376-134-0x0000000005C50000-0x00000000061F4000-memory.dmp

      Filesize

      5.6MB

    • memory/376-135-0x00000000056A0000-0x0000000005732000-memory.dmp

      Filesize

      584KB

    • memory/376-136-0x0000000005740000-0x000000000574A000-memory.dmp

      Filesize

      40KB

    • memory/376-137-0x00000000058A0000-0x000000000593C000-memory.dmp

      Filesize

      624KB

    • memory/376-138-0x0000000005890000-0x00000000058A0000-memory.dmp

      Filesize

      64KB

    • memory/376-139-0x0000000005890000-0x00000000058A0000-memory.dmp

      Filesize

      64KB

    • memory/376-133-0x0000000000C50000-0x0000000000D46000-memory.dmp

      Filesize

      984KB

    • memory/1192-148-0x00000000058A0000-0x0000000005906000-memory.dmp

      Filesize

      408KB

    • memory/1192-178-0x0000000070C90000-0x0000000070CDC000-memory.dmp

      Filesize

      304KB

    • memory/1192-203-0x000000007F880000-0x000000007F890000-memory.dmp

      Filesize

      64KB

    • memory/1192-205-0x0000000007580000-0x0000000007616000-memory.dmp

      Filesize

      600KB

    • memory/1192-201-0x0000000004A80000-0x0000000004A90000-memory.dmp

      Filesize

      64KB

    • memory/1192-198-0x0000000007940000-0x0000000007FBA000-memory.dmp

      Filesize

      6.5MB

    • memory/1192-171-0x0000000004A80000-0x0000000004A90000-memory.dmp

      Filesize

      64KB

    • memory/1192-172-0x0000000004A80000-0x0000000004A90000-memory.dmp

      Filesize

      64KB

    • memory/1192-145-0x00000000050C0000-0x00000000056E8000-memory.dmp

      Filesize

      6.2MB

    • memory/1192-144-0x0000000004A20000-0x0000000004A56000-memory.dmp

      Filesize

      216KB

    • memory/1192-207-0x0000000007640000-0x000000000765A000-memory.dmp

      Filesize

      104KB

    • memory/1192-176-0x0000000007190000-0x00000000071C2000-memory.dmp

      Filesize

      200KB

    • memory/1192-206-0x0000000007530000-0x000000000753E000-memory.dmp

      Filesize

      56KB

    • memory/1192-197-0x00000000065B0000-0x00000000065CE000-memory.dmp

      Filesize

      120KB

    • memory/4540-149-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4540-170-0x00000000054E0000-0x00000000054F0000-memory.dmp

      Filesize

      64KB

    • memory/4540-212-0x0000000006860000-0x0000000006A22000-memory.dmp

      Filesize

      1.8MB

    • memory/4540-213-0x00000000054E0000-0x00000000054F0000-memory.dmp

      Filesize

      64KB

    • memory/4592-173-0x00000000028E0000-0x00000000028F0000-memory.dmp

      Filesize

      64KB

    • memory/4592-200-0x00000000074E0000-0x00000000074EA000-memory.dmp

      Filesize

      40KB

    • memory/4592-204-0x000000007FB00000-0x000000007FB10000-memory.dmp

      Filesize

      64KB

    • memory/4592-202-0x00000000028E0000-0x00000000028F0000-memory.dmp

      Filesize

      64KB

    • memory/4592-199-0x0000000007470000-0x000000000748A000-memory.dmp

      Filesize

      104KB

    • memory/4592-177-0x0000000070C90000-0x0000000070CDC000-memory.dmp

      Filesize

      304KB

    • memory/4592-175-0x0000000006170000-0x000000000618E000-memory.dmp

      Filesize

      120KB

    • memory/4592-208-0x0000000007790000-0x0000000007798000-memory.dmp

      Filesize

      32KB

    • memory/4592-174-0x00000000028E0000-0x00000000028F0000-memory.dmp

      Filesize

      64KB

    • memory/4592-150-0x0000000005B00000-0x0000000005B66000-memory.dmp

      Filesize

      408KB

    • memory/4592-147-0x00000000051B0000-0x00000000051D2000-memory.dmp

      Filesize

      136KB