Analysis

  • max time kernel
    121s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    13/01/2022, 12:55

General

  • Target
    54639437878-xls.exe
  • Size 85KB
  • Sample220113-p5ssfaachp
  • SHA256 53747ef56194c2d817fcc54f0c8b2df8d6a54c4eec516ff93854ab618282012b
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • 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
  • Looks up external IP address via web service 3 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). Likely ransomware behaviour.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe
    "C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1116
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4044
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:644
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:856
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3956
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4088
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1684
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1140
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1592
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3256
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3988
    • C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe
      C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe
      2⤵
        PID:544
        • C:\Users\Admin\AppData\Local\Temp\FB_5933.tmp.exe
          "C:\Users\Admin\AppData\Local\Temp\FB_5933.tmp.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          PID:2076
        • C:\Users\Admin\AppData\Local\Temp\FB_5A3E.tmp.exe
          "C:\Users\Admin\AppData\Local\Temp\FB_5A3E.tmp.exe"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2496

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/812-115-0x0000000000100000-0x000000000011A000-memory.dmp

          memory/812-116-0x0000000000100000-0x000000000011A000-memory.dmp

          memory/1116-268-0x0000000003530000-0x0000000003531000-memory.dmp

          memory/1116-282-0x0000000003530000-0x0000000003531000-memory.dmp

          memory/1116-290-0x0000000003530000-0x0000000003531000-memory.dmp

          memory/1116-267-0x0000000003530000-0x0000000003531000-memory.dmp

          memory/1292-127-0x0000000007590000-0x00000000078E0000-memory.dmp

          memory/1292-120-0x00000000044E0000-0x0000000004516000-memory.dmp

          memory/1292-125-0x00000000072B0000-0x0000000007316000-memory.dmp

          memory/1292-124-0x0000000006AD0000-0x0000000006AF2000-memory.dmp

          memory/1292-123-0x0000000006C80000-0x00000000072A8000-memory.dmp

          memory/1292-141-0x0000000004473000-0x0000000004474000-memory.dmp

          memory/1292-122-0x0000000004472000-0x0000000004473000-memory.dmp

          memory/1292-128-0x0000000007960000-0x000000000797C000-memory.dmp

          memory/1292-121-0x0000000004470000-0x0000000004471000-memory.dmp

          memory/1292-126-0x0000000007500000-0x0000000007566000-memory.dmp

          memory/1292-129-0x0000000007980000-0x00000000079CB000-memory.dmp

          memory/1292-130-0x0000000007D00000-0x0000000007D76000-memory.dmp

          memory/1292-119-0x0000000000B70000-0x0000000000B71000-memory.dmp

          memory/1292-118-0x0000000000B70000-0x0000000000B71000-memory.dmp

          memory/1292-131-0x0000000000B70000-0x0000000000B71000-memory.dmp

          memory/1292-137-0x00000000092C0000-0x0000000009938000-memory.dmp

          memory/1292-138-0x0000000008A70000-0x0000000008A8A000-memory.dmp

          memory/1292-139-0x0000000000B70000-0x0000000000B71000-memory.dmp

          memory/1304-155-0x0000000006BF2000-0x0000000006BF3000-memory.dmp

          memory/1304-156-0x00000000081D0000-0x0000000008246000-memory.dmp

          memory/1304-143-0x0000000000C80000-0x0000000000C81000-memory.dmp

          memory/1304-144-0x0000000000C80000-0x0000000000C81000-memory.dmp

          memory/1304-165-0x0000000000C80000-0x0000000000C81000-memory.dmp

          memory/1304-164-0x0000000008FA0000-0x0000000008FBA000-memory.dmp

          memory/1304-163-0x00000000099E0000-0x000000000A058000-memory.dmp

          memory/1304-157-0x0000000000C80000-0x0000000000C81000-memory.dmp

          memory/1304-147-0x00000000071E0000-0x0000000007202000-memory.dmp

          memory/1304-176-0x0000000006BF3000-0x0000000006BF4000-memory.dmp

          memory/1304-145-0x0000000004620000-0x0000000004656000-memory.dmp

          memory/1304-154-0x0000000006BF0000-0x0000000006BF1000-memory.dmp

          memory/1304-153-0x0000000007ED0000-0x0000000007F1B000-memory.dmp

          memory/1304-148-0x00000000070D0000-0x0000000007136000-memory.dmp

          memory/1304-152-0x0000000007920000-0x000000000793C000-memory.dmp

          memory/1304-150-0x0000000007AB0000-0x0000000007E00000-memory.dmp

          memory/1304-146-0x0000000007230000-0x0000000007858000-memory.dmp

          memory/1304-149-0x0000000007A40000-0x0000000007AA6000-memory.dmp

          memory/1652-198-0x0000000007B90000-0x0000000007BF6000-memory.dmp

          memory/1652-207-0x0000000000F20000-0x0000000000F21000-memory.dmp

          memory/1652-213-0x0000000009DE0000-0x000000000A458000-memory.dmp

          memory/1652-214-0x00000000093B0000-0x00000000093CA000-memory.dmp

          memory/1652-215-0x0000000000F20000-0x0000000000F21000-memory.dmp

          memory/1652-206-0x00000000085F0000-0x0000000008666000-memory.dmp

          memory/1652-205-0x00000000082F0000-0x000000000833B000-memory.dmp

          memory/1652-204-0x0000000008270000-0x000000000828C000-memory.dmp

          memory/1652-201-0x0000000004DC2000-0x0000000004DC3000-memory.dmp

          memory/1652-202-0x0000000007DA0000-0x00000000080F0000-memory.dmp

          memory/1652-199-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

          memory/1652-200-0x0000000007D30000-0x0000000007D96000-memory.dmp

          memory/1652-196-0x0000000007470000-0x0000000007492000-memory.dmp

          memory/1652-195-0x00000000074F0000-0x0000000007B18000-memory.dmp

          memory/1652-194-0x0000000004D60000-0x0000000004D96000-memory.dmp

          memory/1652-226-0x0000000004DC3000-0x0000000004DC4000-memory.dmp

          memory/1652-192-0x0000000000F20000-0x0000000000F21000-memory.dmp

          memory/1652-193-0x0000000000F20000-0x0000000000F21000-memory.dmp

          memory/3652-257-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

          memory/3652-265-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

          memory/3652-242-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

          memory/3652-243-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

          memory/3724-240-0x0000000000A10000-0x0000000000A11000-memory.dmp

          memory/3724-218-0x0000000000A10000-0x0000000000A11000-memory.dmp

          memory/3724-217-0x0000000000A10000-0x0000000000A11000-memory.dmp

          memory/3724-219-0x0000000000F10000-0x0000000000F46000-memory.dmp

          memory/3724-220-0x0000000007110000-0x0000000007738000-memory.dmp

          memory/3724-221-0x0000000007770000-0x0000000007792000-memory.dmp

          memory/3724-222-0x0000000006DF0000-0x0000000006E56000-memory.dmp

          memory/3724-223-0x0000000006E80000-0x0000000006EE6000-memory.dmp

          memory/3724-224-0x00000000077A0000-0x0000000007AF0000-memory.dmp

          memory/3724-232-0x0000000000A10000-0x0000000000A11000-memory.dmp

          memory/4044-292-0x0000000000F70000-0x0000000000F71000-memory.dmp

          memory/4084-169-0x0000000006410000-0x0000000006446000-memory.dmp

          memory/4084-170-0x0000000006A80000-0x00000000070A8000-memory.dmp

          memory/4084-180-0x0000000007EA0000-0x0000000007EEB000-memory.dmp

          memory/4084-182-0x00000000006C0000-0x00000000006C1000-memory.dmp

          memory/4084-167-0x00000000006C0000-0x00000000006C1000-memory.dmp

          memory/4084-168-0x00000000006C0000-0x00000000006C1000-memory.dmp

          memory/4084-178-0x0000000000F72000-0x0000000000F73000-memory.dmp

          memory/4084-173-0x00000000071B0000-0x0000000007216000-memory.dmp

          memory/4084-174-0x0000000007510000-0x0000000007860000-memory.dmp

          memory/4084-171-0x0000000007110000-0x0000000007132000-memory.dmp

          memory/4084-172-0x0000000007390000-0x00000000073F6000-memory.dmp

          memory/4084-188-0x0000000009480000-0x0000000009AF8000-memory.dmp

          memory/4084-181-0x0000000007C00000-0x0000000007C76000-memory.dmp

          memory/4084-177-0x0000000000F70000-0x0000000000F71000-memory.dmp

          memory/4084-179-0x0000000007900000-0x000000000791C000-memory.dmp

          memory/4084-197-0x0000000000F73000-0x0000000000F74000-memory.dmp

          memory/4084-190-0x00000000006C0000-0x00000000006C1000-memory.dmp

          memory/4084-189-0x0000000008A20000-0x0000000008A3A000-memory.dmp