Analysis

  • max time kernel
    88s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 20:43

General

  • Target

    7df351dc2b8469bf30c4b2925548383b.exe

  • Size

    512KB

  • MD5

    7df351dc2b8469bf30c4b2925548383b

  • SHA1

    c281ab44a77a6ecd6fb64cf41553209d531b54ce

  • SHA256

    06a3233d93205f26a8bc70bfdf701ca57a2313446ed5fe7d6636c8134c63913f

  • SHA512

    22100d4950644adc7aed9587155572583df142564f16de267e1114ac7ba9393dcf94412f8fd0c6141e06a090e926ec45003f476217c2c90f0f264e8b0ea02422

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4a:0+h9OY70z+warul3E4a

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
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 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 3 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\7df351dc2b8469bf30c4b2925548383b.exe
    "C:\Users\Admin\AppData\Local\Temp\7df351dc2b8469bf30c4b2925548383b.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:5112
    • C:\Users\Admin\AppData\Local\Temp\n3738\s3738.exe
      "C:\Users\Admin\AppData\Local\Temp\n3738\s3738.exe" 1966230418948df047789192nh7aEOVoqloOol2XIDqE0KUReCwEvz2EcEPIK/70sc7j0PtS5yX/wFMj+aE3Ulg7Gx5Iyz6ZWq6v3qhRc9lN4CJjWwmvx/PPC13YRletkvFcM5kf/WZSgELm7EGJXfIWCihgpEOYWOlBR6R40GpfWacf /v "C:\Users\Admin\AppData\Local\Temp\7df351dc2b8469bf30c4b2925548383b.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3738\s3738.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1548-12-0x00007FF9863E0000-0x00007FF986D81000-memory.dmp

    Filesize

    9.6MB

  • memory/1548-13-0x00000000012B0000-0x00000000012C0000-memory.dmp

    Filesize

    64KB

  • memory/1548-27-0x0000000001280000-0x0000000001292000-memory.dmp

    Filesize

    72KB

  • memory/1548-30-0x000000001C440000-0x000000001C90E000-memory.dmp

    Filesize

    4.8MB

  • memory/1548-31-0x000000001C9B0000-0x000000001CA4C000-memory.dmp

    Filesize

    624KB

  • memory/1548-32-0x000000001CB60000-0x000000001CBC2000-memory.dmp

    Filesize

    392KB

  • memory/1548-33-0x00000000012B0000-0x00000000012C0000-memory.dmp

    Filesize

    64KB

  • memory/1548-34-0x000000001BE10000-0x000000001BE18000-memory.dmp

    Filesize

    32KB

  • memory/1548-35-0x00000000012B0000-0x00000000012C0000-memory.dmp

    Filesize

    64KB

  • memory/1548-36-0x00000000012B0000-0x00000000012C0000-memory.dmp

    Filesize

    64KB

  • memory/1548-37-0x00000000012B0000-0x00000000012C0000-memory.dmp

    Filesize

    64KB

  • memory/1548-38-0x00000000012B0000-0x00000000012C0000-memory.dmp

    Filesize

    64KB

  • memory/1548-39-0x0000000020610000-0x0000000020B1E000-memory.dmp

    Filesize

    5.1MB

  • memory/1548-40-0x0000000020D60000-0x0000000020E9C000-memory.dmp

    Filesize

    1.2MB

  • memory/1548-42-0x00007FF9863E0000-0x00007FF986D81000-memory.dmp

    Filesize

    9.6MB