Overview

overview

10

Static

static

10

b4836d0aed...bb.exe

windows7-x64

9

b4836d0aed...bb.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-03-2024 20:48

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General

  • Target

    b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe

  • Size

    751KB

  • MD5

    a0bcca04cd59999f8b1771b5af53250b

  • SHA1

    bd724992fc66399123bdefee89bf37522b697e4a

  • SHA256

    b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb

  • SHA512

    b77d79a2403bf4d473d5f0ab15c5ee1e5857bd5f5839b85d77d0e1916f6996d02166f9628cac43f7f15adc9052731ae296a34f158234c688a7b4add9a61f180c

  • SSDEEP

    12288:sPKLXqKLdJpkfBSw9Jc325TIR8FJG/kK8LfaAh/haraj/bkU9fw70vDcMGutkUPs:sSL7yBrU3eTICFgz8Fhlw70v4vSdPSqC

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 6 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe
    "C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.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:1928
    • C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe
      "C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe
        "C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2616
    • C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe
      "C:\Users\Admin\AppData\Local\Temp\b4836d0aedbeeb6d70edffd6cdfbfad0064c02013a0a24c142c721973845a3bb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Common Files\microsoft shared\tyrkish nude trambling catfight (Tatjana).rar.exe
    Filesize

    1.9MB

    MD5

    ae6efeadd641b9420b04247616113364

    SHA1

    faf9b74fc0286dafd84638d24f8985a71b2eb34f

    SHA256

    ca407347d7f938a60eb6bc14ab9036484ae21ea12a0dc55934bf7a2897f2feaf

    SHA512

    18c4501e5f60aca27b450f21368a49ac461a5654acb1de610838f900cbb97d678b0c8b5ee9ff79d0ea1be4c588bc69de67a1f91d3d4497499d31ab6d56434f3a

    Download Submit

  • C:\debug.txt
    Filesize

    183B

    MD5

    e11c4967c3eeb6faa2dd60bc30d46fbd

    SHA1

    92e84bcbb6148dc2339e7432ddf051967f8c2ceb

    SHA256

    0976af4ff2987d8d931708a9f62c34dfe07afaef12e7abdab12a1445a3e2b352

    SHA512

    fbb3fbdfb3515512b620a4a2ea4752f4c00635bac73f9cf303095c23bbefd615df3ac853a9e586f238147454c664225d12087f259046c87f47e422a11693b07a

    Download Submit

  • memory/1928-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1928-26-0x00000000045B0000-0x00000000045CC000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1928-58-0x0000000004D40000-0x0000000004D5C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1928-93-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1928-95-0x00000000045B0000-0x00000000045CC000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2392-59-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2916-28-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2916-96-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download