Analysis

  • max time kernel
    38s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-06-2022 03:24

General

  • Target

    308c02df24ac0d5cf1ae21bff85ab88df85397bdfb5c041d0dbedcfc57143305.exe

  • Size

    5.4MB

  • MD5

    f352e78be2638e2a09c21a277d0e3a08

  • SHA1

    9b971cbc10640f4c3df9349d066ca4ee39883ea3

  • SHA256

    308c02df24ac0d5cf1ae21bff85ab88df85397bdfb5c041d0dbedcfc57143305

  • SHA512

    388ef9ea7b79456cb0dcb511ba2afae5583dee9b2e4267e2ddc35a0f5f55345e0ffa4e8ad44de152421c496ab7aae5ba7073f5811fb759394ebeb58015d256e5

Malware Config

Signatures

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

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

  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\308c02df24ac0d5cf1ae21bff85ab88df85397bdfb5c041d0dbedcfc57143305.exe
    "C:\Users\Admin\AppData\Local\Temp\308c02df24ac0d5cf1ae21bff85ab88df85397bdfb5c041d0dbedcfc57143305.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1260 -s 196
      2⤵
      • Program crash
      PID:872

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

  • memory/872-61-0x0000000000000000-mapping.dmp
  • memory/1260-54-0x000000013F560000-0x00000001403E9000-memory.dmp
    Filesize

    14.5MB

  • memory/1260-55-0x000000013F560000-0x00000001403E9000-memory.dmp
    Filesize

    14.5MB

  • memory/1260-56-0x000000013F560000-0x00000001403E9000-memory.dmp
    Filesize

    14.5MB

  • memory/1260-57-0x000000013F560000-0x00000001403E9000-memory.dmp
    Filesize

    14.5MB

  • memory/1260-59-0x00000000772C0000-0x0000000077469000-memory.dmp
    Filesize

    1.7MB

  • memory/1260-58-0x000000013F560000-0x00000001403E9000-memory.dmp
    Filesize

    14.5MB

  • memory/1260-60-0x000000013F560000-0x00000001403E9000-memory.dmp
    Filesize

    14.5MB

  • memory/1260-62-0x000000013F560000-0x00000001403E9000-memory.dmp
    Filesize

    14.5MB

  • memory/1260-63-0x00000000772C0000-0x0000000077469000-memory.dmp
    Filesize

    1.7MB