Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 22:09

General

  • Target

    9cb805b6b3ac0831a36f89a745d1215a8e29c5113daaf5213ab9d1733d8278c2.exe

  • Size

    2.7MB

  • MD5

    5d1bd24c0db63dcfb5e3c3e883e43a7c

  • SHA1

    1b15c35a884603ad6ec27bcba3f40a63964b5c75

  • SHA256

    9cb805b6b3ac0831a36f89a745d1215a8e29c5113daaf5213ab9d1733d8278c2

  • SHA512

    fec59f8703399fde2a57b3b955f36ab98383a856280f229cd058fa8d4b7bb20df8cd4a85fdfa7502a27a0d7b83a203e4e2335fab0f8c23dcf08547ef5a5f6c44

  • SSDEEP

    49152:Cfleq3epnQU8HBTrRD+s8KuqGaX0ToIBAUZLYI:y0ppQUayJBAUZLP

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 37 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cb805b6b3ac0831a36f89a745d1215a8e29c5113daaf5213ab9d1733d8278c2.exe
    "C:\Users\Admin\AppData\Local\Temp\9cb805b6b3ac0831a36f89a745d1215a8e29c5113daaf5213ab9d1733d8278c2.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\services_c_3003.exe
      C:\Users\Admin\AppData\Local\Temp\services_c_3003.exe
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4716

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\services_c_3003.exe
    Filesize

    248KB

    MD5

    a53ab32dc79d4cf6ee4392e8687d0029

    SHA1

    a80da7b53d1e29cb3f4005cd72699e23bebdf4ae

    SHA256

    355f405f84858049601a2245ced390405773240d70ec7216573b24c122a1850d

    SHA512

    0bd8d95992b0a3100400c0d7af75729c4ed8b823cc4fc7d2f83736a34f47c898b230ed66531e2cd4825d11f332e677281d077e2bb75d0c0cdf663d358a626244

  • C:\Users\Admin\AppData\Local\Temp\services_c_3003.exe
    Filesize

    248KB

    MD5

    a53ab32dc79d4cf6ee4392e8687d0029

    SHA1

    a80da7b53d1e29cb3f4005cd72699e23bebdf4ae

    SHA256

    355f405f84858049601a2245ced390405773240d70ec7216573b24c122a1850d

    SHA512

    0bd8d95992b0a3100400c0d7af75729c4ed8b823cc4fc7d2f83736a34f47c898b230ed66531e2cd4825d11f332e677281d077e2bb75d0c0cdf663d358a626244

  • memory/2324-171-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-134-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-138-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-140-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-142-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-144-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-146-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-148-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-133-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-152-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-156-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-154-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-158-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-161-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-163-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-165-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-167-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-169-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-150-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-136-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-184-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-176-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-178-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-177-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-180-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-175-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-182-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-186-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-188-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-190-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-192-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-194-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-196-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-219-0x00000000026F0000-0x000000000272E000-memory.dmp
    Filesize

    248KB

  • memory/2324-220-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-132-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2324-173-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/4716-221-0x0000000000000000-mapping.dmp