Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:20

General

  • Target

    c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe

  • Size

    395KB

  • MD5

    c80ff23194e04bab4f4745a8d7370f67

  • SHA1

    fad8a0cc13cf3cb7dfef6b83afe9a257ca2e9588

  • SHA256

    c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac

  • SHA512

    42ede1ed76c0de03b4c8481f0ac938490b4f2982982b5162c0c7c29b150ba5ed7f63094c3829ad8ee6af348f8d3d6a704e395e6dd4b6bd639bd16b4f09b5d8ed

  • SSDEEP

    12288:JEyDMhqhDtvOS1aeC8arI2BYC+N6kJU5TGADxxLf1:JBD0S1akadYC+Uky5Tx3L9

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 21 IoCs
  • UPX dump on OEP (original entry point) 23 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 23 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe
    "C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.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:1460
    • C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe
      "C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe
        "C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2784
    • C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe
      "C:\Users\Admin\AppData\Local\Temp\c771f41c037acef1afa0d88479474f76c51fe61a1593807ea54c0c5a11af06ac.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\blowjob big (Tatjana).avi.exe

    Filesize

    522KB

    MD5

    f94a8de47fb16915655fa7471ec594b7

    SHA1

    701e59e8b6a1db75c5cae8b5092d84b9ae48f8c6

    SHA256

    b2a27f4ce87adbd876cedd47d2926f8193575185bcd1393f027c26a2c1c08e52

    SHA512

    111c40f708e87e13b857fdf72da5636a81d1462a1f59e4fe3747229588426d7970344ca4341e041d4c9db311b8975f3ad0bc099875dab9d7c855a0bbabf3fbd9

  • memory/1460-130-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-152-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-96-0x0000000004EC0000-0x0000000004EDE000-memory.dmp

    Filesize

    120KB

  • memory/1460-156-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-62-0x0000000005230000-0x000000000524E000-memory.dmp

    Filesize

    120KB

  • memory/1460-97-0x0000000005230000-0x000000000524E000-memory.dmp

    Filesize

    120KB

  • memory/1460-148-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-91-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-144-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-140-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-134-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-95-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-160-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-22-0x0000000004EC0000-0x0000000004EDE000-memory.dmp

    Filesize

    120KB

  • memory/1460-122-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-106-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-118-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-99-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1460-126-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2400-93-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2400-63-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2624-101-0x0000000001E20000-0x0000000001E3E000-memory.dmp

    Filesize

    120KB

  • memory/2624-92-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2624-64-0x0000000001E20000-0x0000000001E3E000-memory.dmp

    Filesize

    120KB

  • memory/2624-23-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2784-94-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2784-65-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB