Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 09:20

General

  • Target

    634018560be5b0fac84c62913ea23622.exe

  • Size

    532KB

  • MD5

    634018560be5b0fac84c62913ea23622

  • SHA1

    0d832a3c20361d2fc25a82fa66ce8f34557bd637

  • SHA256

    15cca721b69b79636fae45ba77bade65b243edd1325a7509492dd446c7db42f3

  • SHA512

    a283106812956359b586227f91dc31dece48abe569ac4c96042388d77f8c4fab32c901140fa7530082941e1be94f4d3520d1e9b592d160805f13bd1148a99d16

  • SSDEEP

    12288:tXf2DMo6GCfdog22HXrFy+344+E9OsDYMbWMKyH/rexOww9I:tv2DBCVx5y+3RxDYv9UCxOwwa

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\634018560be5b0fac84c62913ea23622.exe
    "C:\Users\Admin\AppData\Local\Temp\634018560be5b0fac84c62913ea23622.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Users\Admin\AppData\Local\Temp\n7813\s7813.exe
      "C:\Users\Admin\AppData\Local\Temp\n7813\s7813.exe" 0ed4e99a7251afbe0eb662f6mRlcRJgf7xEOZQ4hrpPn1PDirID3Qj2mkCGEcjqIJXgp0Y4ZgWwR1JhlU/JLQKeTOB5LqGyFVlNwtVcmPTKjoysilGikcJ5t7YxXgvQ5pxHO74jFXepTcMbqmbhbSWPCZKahfD3m5F8EOHL+Sy+r8QI= /v "C:\Users\Admin\AppData\Local\Temp\634018560be5b0fac84c62913ea23622.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7813\s7813.exe

    Filesize

    85KB

    MD5

    a61f32a5d6381728df0d37653c24bef9

    SHA1

    b71c5359f963f8e6acedcc32aceca963898c837b

    SHA256

    4a279cb61dd62fa077fbe119fe840003d280e5f9d6ea09fd69bdbf770aa6162e

    SHA512

    5dfc3b28c85e91b57b1326753559889c7b2596eaae03b91d9a04bab8efd58b79cc17e6a30067cf28ebf43ccd88caccb13952881dff1bc74f1aa1dd8f6bbd0b28

  • C:\Users\Admin\AppData\Local\Temp\n7813\s7813.exe

    Filesize

    149KB

    MD5

    06dc579a660d3f699edd289c0bfca24b

    SHA1

    fa74291d2d90de11618b8bbd6e228f88f8082a85

    SHA256

    cfa1859d5c8907787b37905f9a579bbf203804def0b69e8ca90a488581aa86d2

    SHA512

    564ba7c21915a70d786144fc924ac7110e3900c880ffaf55aa0514e4d7a7ece614bfbae5ffbe5c03616b77091aca6ab859ff7e9592587a98bafb69f41d65d640

  • C:\Users\Admin\AppData\Local\Temp\n7813\s7813.exe

    Filesize

    219KB

    MD5

    94a69394c365d4216dc0a267d585d13f

    SHA1

    f832d782b12836fe6ad436dfac3d97f91b1c5ebc

    SHA256

    8dafaae263c44624342156f43df4bbe158702ac7bc750c4089838f45f75829a5

    SHA512

    5daafac615d6a3b269717459524c70634976f310ca6c2d1f7f16040fa9948b7abec7f781330b9794c1f888eea4f609c4a50ec8f0987feddca2865796d2ea6ca2

  • memory/4916-33-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4916-35-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4916-27-0x000000001C020000-0x000000001C4EE000-memory.dmp

    Filesize

    4.8MB

  • memory/4916-28-0x000000001C590000-0x000000001C62C000-memory.dmp

    Filesize

    624KB

  • memory/4916-29-0x000000001C6E0000-0x000000001C742000-memory.dmp

    Filesize

    392KB

  • memory/4916-30-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4916-31-0x000000001B2A0000-0x000000001B2A8000-memory.dmp

    Filesize

    32KB

  • memory/4916-12-0x00007FFB925B0000-0x00007FFB92F51000-memory.dmp

    Filesize

    9.6MB

  • memory/4916-32-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4916-13-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4916-38-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4916-37-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4916-36-0x00007FFB925B0000-0x00007FFB92F51000-memory.dmp

    Filesize

    9.6MB

  • memory/4916-34-0x00007FFB925B0000-0x00007FFB92F51000-memory.dmp

    Filesize

    9.6MB

  • memory/4916-39-0x00000000201E0000-0x00000000206EE000-memory.dmp

    Filesize

    5.1MB

  • memory/4916-40-0x0000000020930000-0x0000000020A6C000-memory.dmp

    Filesize

    1.2MB

  • memory/4916-42-0x00007FFB925B0000-0x00007FFB92F51000-memory.dmp

    Filesize

    9.6MB