Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 19:20

General

  • Target

    22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09.exe

  • Size

    241KB

  • MD5

    66f4bc39e87c07681c40d0288ad92145

  • SHA1

    9802081dbed5e172a128b6135afdaf118b1768fc

  • SHA256

    22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09

  • SHA512

    dc9f4218c0464341982dde6be9a22e592aaced8cb1d98e8a9a71bcf2d7f61b8c707ce2c3bedcc61779a07ff7a2d6fc7221c36aecd10e9da2c0509546c044fdf4

  • SSDEEP

    6144:6jluQoSFIo5R4nM/40yJW4aTfLNAP2Rr7vuZI0lWOsWC6wp7W7SU8:6EQoSvqhKfBuj7WOdW7Wer

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 5 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09.exe
    "C:\Users\Admin\AppData\Local\Temp\22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09.exe
      "C:\Users\Admin\AppData\Local\Temp\22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Users\Admin\AppData\Local\Temp\22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09.exe
        "C:\Users\Admin\AppData\Local\Temp\22620887783475107184ef20a540129722ef17873f95cd99852b978dfd2a6d09.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\trambling several models (Karin).mpg.exe

    Filesize

    582KB

    MD5

    938fd0ac9acd6a43f66ec67715c2819d

    SHA1

    3bd2777c4408eb062fa7ac9e4c21265532bdda2f

    SHA256

    48c07e53ef137c257c6799e968e215928d3dee92cfac96ea82721124d982f591

    SHA512

    5d4dec0545cfc3d03a67107e89fac758405a34caa4ff5cba3ee6e752e10f01d3bc5b9bf33a24c949848af4c98adca1be446f0b79ca48395659973d2e373235d7

  • memory/1688-89-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1688-111-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2488-66-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2488-88-0x0000000004CE0000-0x0000000004D01000-memory.dmp

    Filesize

    132KB

  • memory/2488-109-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2488-110-0x0000000004CE0000-0x0000000004D01000-memory.dmp

    Filesize

    132KB

  • memory/2732-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2732-65-0x00000000051B0000-0x00000000051D1000-memory.dmp

    Filesize

    132KB

  • memory/2732-106-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2732-108-0x00000000051B0000-0x00000000051D1000-memory.dmp

    Filesize

    132KB