Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 23:11

General

  • Target

    8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe

  • Size

    595KB

  • MD5

    9084a911d55c10be0a70173ff30513e0

  • SHA1

    4c147f645052b595d6e251abb51cf8d0b72f2be0

  • SHA256

    8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224

  • SHA512

    da9150e2cbf395594edecc284efca5adcb2f8e981b91ff2e7e056e899cd75c5f252c9e00d9a631b293592c51c1ae4c37ce8366fd9cdf2b392a38aeec7502774d

  • SSDEEP

    12288:A8EQoSMKgZfSCeLnU/I31AcWKsiLBK7+n7/rC9FeUSg+/kOtJpGu:A872011A1Kvsw7e9FeNg4rGu

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 16 IoCs
  • UPX dump on OEP (original entry point) 19 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 19 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\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe
    "C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.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:2316
    • C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe
      "C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe
        "C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\black horse blowjob girls blondie (Kathrin,Curtney).rar.exe

    Filesize

    1.8MB

    MD5

    a736b53d93408140432a1ae0cf2128c3

    SHA1

    7fa3bce2ab8675278f06561e0795f8e3094ae15e

    SHA256

    d449e1c5cdb9f0c2b08dd2403e508ab161b1eaf9517185c08c618d87df926e4c

    SHA512

    50d1262f7a920623f55dc05611232184174ad8693fd3681a79ad4cba9f97d62b2f36945320fcfcf6a1a99bbf0f2af9658b8557a727cb445ea4ad012b1db15648

  • memory/1956-88-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1956-102-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-122-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-111-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-143-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-90-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-63-0x0000000004DC0000-0x0000000004DDC000-memory.dmp

    Filesize

    112KB

  • memory/2316-103-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-106-0x0000000004DC0000-0x0000000004DDC000-memory.dmp

    Filesize

    112KB

  • memory/2316-140-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-108-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-137-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-114-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-119-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-125-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-128-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-131-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2316-134-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2760-87-0x0000000004540000-0x000000000455C000-memory.dmp

    Filesize

    112KB

  • memory/2760-107-0x0000000004540000-0x000000000455C000-memory.dmp

    Filesize

    112KB

  • memory/2760-64-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB