Analysis

  • max time kernel
    118s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 08:46

General

  • Target

    32a7dc2a385867fa2224c6e58f8a64102e0bff1147fed2707a9c48e38e8666d2.exe

  • Size

    2.7MB

  • MD5

    908cfbc12ebc4d187f8d262b53e8ca3e

  • SHA1

    01bcf5796c5a95fd02ec237de3326f09dbd4c12b

  • SHA256

    32a7dc2a385867fa2224c6e58f8a64102e0bff1147fed2707a9c48e38e8666d2

  • SHA512

    e18aaf8bc06dc3b096963228ab7cf2ed652c30efd0d4f441607401849f171866eb59c05446835c0707226d36131ffdf8e0f9d641de8b8427393e7335b73ffdec

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32a7dc2a385867fa2224c6e58f8a64102e0bff1147fed2707a9c48e38e8666d2.exe
    "C:\Users\Admin\AppData\Local\Temp\32a7dc2a385867fa2224c6e58f8a64102e0bff1147fed2707a9c48e38e8666d2.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      PID:580

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    908cfbc12ebc4d187f8d262b53e8ca3e

    SHA1

    01bcf5796c5a95fd02ec237de3326f09dbd4c12b

    SHA256

    32a7dc2a385867fa2224c6e58f8a64102e0bff1147fed2707a9c48e38e8666d2

    SHA512

    e18aaf8bc06dc3b096963228ab7cf2ed652c30efd0d4f441607401849f171866eb59c05446835c0707226d36131ffdf8e0f9d641de8b8427393e7335b73ffdec

  • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    908cfbc12ebc4d187f8d262b53e8ca3e

    SHA1

    01bcf5796c5a95fd02ec237de3326f09dbd4c12b

    SHA256

    32a7dc2a385867fa2224c6e58f8a64102e0bff1147fed2707a9c48e38e8666d2

    SHA512

    e18aaf8bc06dc3b096963228ab7cf2ed652c30efd0d4f441607401849f171866eb59c05446835c0707226d36131ffdf8e0f9d641de8b8427393e7335b73ffdec

  • memory/580-62-0x00000000001F0000-0x00000000008E6000-memory.dmp
    Filesize

    7.0MB

  • memory/580-63-0x00000000001F0000-0x00000000008E6000-memory.dmp
    Filesize

    7.0MB

  • memory/580-64-0x00000000001F0000-0x00000000008E6000-memory.dmp
    Filesize

    7.0MB

  • memory/1532-54-0x00000000766D1000-0x00000000766D3000-memory.dmp
    Filesize

    8KB

  • memory/1532-55-0x0000000077D30000-0x0000000077D32000-memory.dmp
    Filesize

    8KB

  • memory/1532-56-0x0000000000B00000-0x00000000011F6000-memory.dmp
    Filesize

    7.0MB

  • memory/1532-57-0x0000000000B00000-0x00000000011F6000-memory.dmp
    Filesize

    7.0MB

  • memory/1532-58-0x0000000000B00000-0x00000000011F6000-memory.dmp
    Filesize

    7.0MB