Analysis

  • max time kernel
    122s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 18:08

General

  • Target

    335b01a38b8f5f557094dd9cfe1d748c.exe

  • Size

    1002KB

  • MD5

    335b01a38b8f5f557094dd9cfe1d748c

  • SHA1

    d43ff241b2dded8db09f959f2e29ba0226412e08

  • SHA256

    3e6d98dfa9e0f27421888a5356e598bdfe72c317b3fad2be2a3d912be12e22e0

  • SHA512

    8a17306b99af61e1909b9066db18aabc6de52d935b4a7d27ffa1f34b388619428cfdf8b23d8437da313d7df6b2c6503556c5f5e52c360d61512e446b6bbb4520

  • SSDEEP

    24576:LzsjkZczo63M87odbJd5A8uvKXtvKouHPf4xVvCI:PsloTY4bSDvKXtvKDvgxVvr

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 46 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\335b01a38b8f5f557094dd9cfe1d748c.exe
    "C:\Users\Admin\AppData\Local\Temp\335b01a38b8f5f557094dd9cfe1d748c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\nsj74C4.tmp\dlhelpdl.exe
      C:\Users\Admin\AppData\Local\Temp\nsj74C4.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~4633~4639~~URL Parts Error~~SendRequest Error~5E-68-8C-03-EF-37~#~~SendRequest Error~~IE~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2128
    • C:\Users\Admin\AppData\Local\Temp\nsj74C4.tmp\215AppsChecker.exe
      C:\Users\Admin\AppData\Local\Temp\nsj74C4.tmp\215AppsChecker.exe /checkispublisherinstalled
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2300-197-0x00000000003F0000-0x00000000003F3000-memory.dmp

    Filesize

    12KB

  • memory/2300-196-0x00000000003F0000-0x00000000003F3000-memory.dmp

    Filesize

    12KB

  • memory/2300-176-0x00000000003F0000-0x00000000003F3000-memory.dmp

    Filesize

    12KB

  • memory/2300-66-0x0000000000B60000-0x0000000000B7A000-memory.dmp

    Filesize

    104KB