Analysis

  • max time kernel
    106s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2025 15:57

General

  • Target

    Sigmanly_ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55.exe

  • Size

    532KB

  • MD5

    23ad078999fb9901917f9f7bde5fe6cd

  • SHA1

    db5dee45dc3a25091ae455a49db41cdba70dd8cc

  • SHA256

    ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55

  • SHA512

    3592957d287cb1a91ca67e53b4737559e43456bc28d09de43e5d9f61cfb96f68ceb5ab653f4e207e94fe4bddd97d0814996b6c32fc7d99b69c09f5b5c01363e2

  • SSDEEP

    12288:uYV6MorX7qzuC3QHO9FQVHPF51jgco+UAex8WzBUhe:NBXu9HGaVHJex8Sx

Malware Config

Extracted

Family

vipkeylogger

Credentials
C2

https://api.telegram.org/bot8066712820:AAEAb01u8B6eDO5xCMdAz6XCOHC_L2RpVGo/sendMessage?chat_id=7667424178

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • 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.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sigmanly_ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Users\Admin\AppData\Local\robustuous\Fonda.exe
      "C:\Users\Admin\AppData\Local\Temp\Sigmanly_ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1912
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\Sigmanly_ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\antholite

    Filesize

    58KB

    MD5

    880c8d29f78a1110cf2c4435ed0de6f7

    SHA1

    ee31c40483da866d7805042b69db0dcef433f94b

    SHA256

    ea9282a00c0f66dd8131e9152ec222a87b8de7d46757ab876dc0e1c68f77eabe

    SHA512

    b98caca8ef30da1a89ab8025839dba445a2a0d69be62fff016643d78c45c0f4743dbf8072c81f72ec86c6c00d22f3308e5d1006d18d10e687d3f4ceaf5838b4d

  • C:\Users\Admin\AppData\Local\Temp\unbarricadoed

    Filesize

    271KB

    MD5

    a6224ab22afa6fe8455d8befc2f0009c

    SHA1

    c63756ec59622be1c5fd342f7a46a6c2a7364f3c

    SHA256

    dcaface4d3808e022b79e72f355334590f4464b39a24eb7b5a165e467223f99f

    SHA512

    2eda6f32e4e77e04b34565d40df51b41809b643f7b7eca34b9fde253aa85032155c06d97131ba777c163ff7589dceef9314b42139a16c3c99966adcec2101a72

  • C:\Users\Admin\AppData\Local\robustuous\Fonda.exe

    Filesize

    532KB

    MD5

    23ad078999fb9901917f9f7bde5fe6cd

    SHA1

    db5dee45dc3a25091ae455a49db41cdba70dd8cc

    SHA256

    ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55

    SHA512

    3592957d287cb1a91ca67e53b4737559e43456bc28d09de43e5d9f61cfb96f68ceb5ab653f4e207e94fe4bddd97d0814996b6c32fc7d99b69c09f5b5c01363e2

  • memory/1912-37-0x0000000000110000-0x0000000000247000-memory.dmp

    Filesize

    1.2MB

  • memory/1912-16-0x0000000000110000-0x0000000000247000-memory.dmp

    Filesize

    1.2MB

  • memory/1912-33-0x0000000001720000-0x0000000001B20000-memory.dmp

    Filesize

    4.0MB

  • memory/3380-12-0x0000000000DF0000-0x00000000011F0000-memory.dmp

    Filesize

    4.0MB

  • memory/3380-19-0x0000000000300000-0x0000000000437000-memory.dmp

    Filesize

    1.2MB

  • memory/3380-0-0x0000000000300000-0x0000000000437000-memory.dmp

    Filesize

    1.2MB

  • memory/4064-38-0x0000000073B7E000-0x0000000073B7F000-memory.dmp

    Filesize

    4KB

  • memory/4064-35-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/4064-39-0x0000000005DD0000-0x0000000006374000-memory.dmp

    Filesize

    5.6MB

  • memory/4064-40-0x0000000005760000-0x00000000057FC000-memory.dmp

    Filesize

    624KB

  • memory/4064-41-0x0000000073B70000-0x0000000074320000-memory.dmp

    Filesize

    7.7MB

  • memory/4064-42-0x0000000006AD0000-0x0000000006C92000-memory.dmp

    Filesize

    1.8MB

  • memory/4064-43-0x0000000006960000-0x00000000069B0000-memory.dmp

    Filesize

    320KB

  • memory/4064-44-0x0000000073B7E000-0x0000000073B7F000-memory.dmp

    Filesize

    4KB

  • memory/4064-45-0x0000000073B70000-0x0000000074320000-memory.dmp

    Filesize

    7.7MB

  • memory/4064-46-0x0000000006CA0000-0x0000000006D32000-memory.dmp

    Filesize

    584KB

  • memory/4064-47-0x0000000006A70000-0x0000000006A7A000-memory.dmp

    Filesize

    40KB