Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 02:49

General

  • Target

    e1f2542f3101147997bf37471bb1615d758dae834d354496463e69c60f8ea371.exe

  • Size

    1.1MB

  • MD5

    c6405da7bf6402e89bdbbd7e53f8a3ee

  • SHA1

    442c0c100d9f8e635e9b6e9db07878903103054a

  • SHA256

    e1f2542f3101147997bf37471bb1615d758dae834d354496463e69c60f8ea371

  • SHA512

    a20ba8aad10e53d791f0811f06453518d8971a02329f00e0d61537c3a78519fdbe02bc463395ba44bce1893987414647ff7063df4815ff232bb3dd9d2bb3e018

  • SSDEEP

    24576:lp7xzos/n1G9l+O/KE8hJKpJzeDgWTvdpomEygOXjM:zxzog1Gph8hazvwUmEygn

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 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 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1f2542f3101147997bf37471bb1615d758dae834d354496463e69c60f8ea371.exe
    "C:\Users\Admin\AppData\Local\Temp\e1f2542f3101147997bf37471bb1615d758dae834d354496463e69c60f8ea371.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\e1f2542f3101147997bf37471bb1615d758dae834d354496463e69c60f8ea371.exe
      "C:\Users\Admin\AppData\Local\Temp\e1f2542f3101147997bf37471bb1615d758dae834d354496463e69c60f8ea371.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nso3C86.tmp\System.dll

    Filesize

    11KB

    MD5

    17ed1c86bd67e78ade4712be48a7d2bd

    SHA1

    1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    SHA256

    bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    SHA512

    0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

  • memory/1552-21-0x0000000077940000-0x0000000077AE9000-memory.dmp

    Filesize

    1.7MB

  • memory/1552-43-0x00000000004C0000-0x0000000001522000-memory.dmp

    Filesize

    16.4MB

  • memory/1552-44-0x00000000004C0000-0x00000000004DE000-memory.dmp

    Filesize

    120KB

  • memory/2612-17-0x00000000035B0000-0x0000000005D1F000-memory.dmp

    Filesize

    39.4MB

  • memory/2612-18-0x0000000077941000-0x0000000077A42000-memory.dmp

    Filesize

    1.0MB

  • memory/2612-19-0x0000000077940000-0x0000000077AE9000-memory.dmp

    Filesize

    1.7MB

  • memory/2612-20-0x00000000035B0000-0x0000000005D1F000-memory.dmp

    Filesize

    39.4MB