Analysis

  • max time kernel
    150s
  • max time network
    103s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 15:38

General

  • Target

    ab3aa6f41e5056db625a0bbe3df17cb045e676a40a4cec53847a97ce903c423b.exe

  • Size

    583KB

  • MD5

    7ec9800e97ecb6f8b8590cf7c06da578

  • SHA1

    b5a5fb4aa3588cb4ed3b0be5f9985a3810d32114

  • SHA256

    ab3aa6f41e5056db625a0bbe3df17cb045e676a40a4cec53847a97ce903c423b

  • SHA512

    95ec1c77dbf961ceb8183b0ceeb0be67ef01444f9e525ab26a0f3d8e1623efb195e71e9cd911aca84cf4fa28469a32356a399ba75d75c3268211c955cd9367c1

  • SSDEEP

    12288:x2dcc3zvSUGljdYqvUkKr06SaGLB88B0oOR4xcOx:IN6UivvUkKA6SfLBPB0oOix

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab3aa6f41e5056db625a0bbe3df17cb045e676a40a4cec53847a97ce903c423b.exe
    "C:\Users\Admin\AppData\Local\Temp\ab3aa6f41e5056db625a0bbe3df17cb045e676a40a4cec53847a97ce903c423b.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\lv-LV6.exe
      C:\Windows\SysWOW64\lv-LV6.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1236
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins1302.bat "C:\Users\Admin\AppData\Local\Temp\ab3aa6f41e5056db625a0bbe3df17cb045e676a40a4cec53847a97ce903c423b.exe"
      2⤵
      • Deletes itself
      PID:1984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~unins1302.bat

    Filesize

    49B

    MD5

    9e0a2f5ab30517809b95a1ff1dd98c53

    SHA1

    5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

    SHA256

    97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

    SHA512

    e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

  • C:\Windows\SysWOW64\lv-LV6.exe

    Filesize

    158KB

    MD5

    05b2e342f1d92b93c2e3bc60c5e801b0

    SHA1

    c8c83ceebcfd17d397d842ef6206c0c72b237d4e

    SHA256

    2bac89d8ffe57ccbfb6a9be9c061791bdf8fa00cb58c0154c26ccd34bbfd659e

    SHA512

    206ce74d2087c7b612dda060e0b1c4a3084e86b0cc5bcce21f3552e07ab2a0860bfd3f1be5ffc63aad26c89c7faf8960dd7216b768d412eb7fce565492ac6594

  • C:\Windows\SysWOW64\lv-LV6.exe

    Filesize

    158KB

    MD5

    05b2e342f1d92b93c2e3bc60c5e801b0

    SHA1

    c8c83ceebcfd17d397d842ef6206c0c72b237d4e

    SHA256

    2bac89d8ffe57ccbfb6a9be9c061791bdf8fa00cb58c0154c26ccd34bbfd659e

    SHA512

    206ce74d2087c7b612dda060e0b1c4a3084e86b0cc5bcce21f3552e07ab2a0860bfd3f1be5ffc63aad26c89c7faf8960dd7216b768d412eb7fce565492ac6594

  • \Windows\SysWOW64\lv-LV6.exe

    Filesize

    158KB

    MD5

    05b2e342f1d92b93c2e3bc60c5e801b0

    SHA1

    c8c83ceebcfd17d397d842ef6206c0c72b237d4e

    SHA256

    2bac89d8ffe57ccbfb6a9be9c061791bdf8fa00cb58c0154c26ccd34bbfd659e

    SHA512

    206ce74d2087c7b612dda060e0b1c4a3084e86b0cc5bcce21f3552e07ab2a0860bfd3f1be5ffc63aad26c89c7faf8960dd7216b768d412eb7fce565492ac6594

  • memory/1236-72-0x0000000074860000-0x0000000074E0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1236-71-0x0000000074860000-0x0000000074E0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1628-61-0x000000000037C000-0x00000000003BD000-memory.dmp

    Filesize

    260KB

  • memory/1628-63-0x0000000000311000-0x000000000037C000-memory.dmp

    Filesize

    428KB

  • memory/1628-62-0x0000000000311000-0x000000000037C000-memory.dmp

    Filesize

    428KB

  • memory/1628-60-0x00000000002C0000-0x0000000000304000-memory.dmp

    Filesize

    272KB

  • memory/1628-54-0x0000000075831000-0x0000000075833000-memory.dmp

    Filesize

    8KB

  • memory/1628-59-0x0000000000310000-0x00000000003BE000-memory.dmp

    Filesize

    696KB

  • memory/1628-58-0x0000000000310000-0x00000000003BE000-memory.dmp

    Filesize

    696KB

  • memory/1628-55-0x0000000000310000-0x00000000003BE000-memory.dmp

    Filesize

    696KB

  • memory/1628-73-0x0000000000311000-0x000000000037C000-memory.dmp

    Filesize

    428KB