Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 19:38

General

  • Target

    29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d.exe

  • Size

    389KB

  • MD5

    35792de13356a17d0ef59bbbad458d51

  • SHA1

    a59a7a30124843345dbaef86410d71484ed125be

  • SHA256

    29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d

  • SHA512

    2252d3423e7b3567b66aa10124d54f302eea36bf246d075e048aa385bac2e98da5ebad2fb6125196408ad1266c5ff26e5f95b2366ee0f9e1c339aaca456d2705

  • SSDEEP

    12288:YEQoSpqhW97nvMS0jF71QieYANyxBIk/e:Yiwr0jF7WkAgP/e

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\29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d.exe
    "C:\Users\Admin\AppData\Local\Temp\29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d.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:2000
    • C:\Users\Admin\AppData\Local\Temp\29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d.exe
      "C:\Users\Admin\AppData\Local\Temp\29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Users\Admin\AppData\Local\Temp\29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d.exe
        "C:\Users\Admin\AppData\Local\Temp\29d039f1582855309902d2a3081b59ed313089d07c759ddf67e2ccd9221bb19d.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\trambling [bangbus] sweet (Sonja,Curtney).rar.exe

    Filesize

    1.7MB

    MD5

    fd8b1b7d5c4afbb241a1213f94c0ed85

    SHA1

    c79ef0f6ddca54c7abdabb73b0776afaba5b7795

    SHA256

    bc00ee832a51c57a8736b985f0ea6dbbcf1b53a59320c023240736903568c422

    SHA512

    7b6e5a89c88119e55f127849e5eed0376fb51f943fe4cf727732f536540ba444f6753407ead4f92d965d24e06f4b3410f21be6c0fc562f20c2b93759459ff5c4

  • memory/2000-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2000-53-0x00000000048D0000-0x00000000048F0000-memory.dmp

    Filesize

    128KB

  • memory/2000-108-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2000-110-0x00000000048D0000-0x00000000048F0000-memory.dmp

    Filesize

    128KB

  • memory/2436-91-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2436-113-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2928-55-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2928-90-0x0000000004CD0000-0x0000000004CF0000-memory.dmp

    Filesize

    128KB

  • memory/2928-111-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2928-112-0x0000000004CD0000-0x0000000004CF0000-memory.dmp

    Filesize

    128KB