Analysis

  • max time kernel
    152s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 08:35

General

  • Target

    DHL AWB TRACKING DETAILS.exe

  • Size

    248KB

  • MD5

    4e358b432ba956c13627beee054d68e5

  • SHA1

    8791318da047e93f2a16cc6535eba5159228f832

  • SHA256

    836696cddebff5d522acb2c105a404ceeb635df69b3c9544b5bebcef13bc3e86

  • SHA512

    a251f2f3e4fe9b0b44b3537983b406e9eb2d5e22298129ba9548f626c3657410adf23b50d0dd69f4601d7c873056e545ca7be0d808f8f0db3f9a38609b82dcff

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a34b

Decoy

mesonarte.com

eksiwakun9.xyz

dustcollectionconsultant.com

heliosarchitecture.com

chinaanalysisgroup.com

nimbinhillshemp.com

ychain.biz

mountshastaart.com

monstermangoloco.com

bodhiandbear.com

rootednft.xyz

metayema.com

zw21.xyz

criccketworld.com

segurobarato.net

ananyacap.com

momo-momo.xyz

ezrealestatedeals.com

ghrde.xyz

idimol.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2840
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:424
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.exe"
        3⤵
          PID:3376

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsfAB27.tmp\vzhghptrhu.dll
      MD5

      d2b96d84df88876d02820ca05c8254e2

      SHA1

      66c575874197ace26e2d77c408154891c1c2a464

      SHA256

      ac4f4fc273432d090b87cc740b2668bb105aea12d35b9f48be82885607172708

      SHA512

      123b2255f5598bc7d51872cb2e0cba58367b22ad638df786aaefa4cfddda11a0daec36002559cd9a2bdcd74cc78f903642595e0438fdd82681a938b9cb1b97f1

    • memory/424-125-0x0000000000150000-0x000000000015B000-memory.dmp
      Filesize

      44KB

    • memory/424-126-0x0000000003280000-0x00000000032AF000-memory.dmp
      Filesize

      188KB

    • memory/424-127-0x0000000003430000-0x0000000003750000-memory.dmp
      Filesize

      3.1MB

    • memory/424-128-0x00000000037F0000-0x0000000003883000-memory.dmp
      Filesize

      588KB

    • memory/2504-119-0x0000000000660000-0x0000000000662000-memory.dmp
      Filesize

      8KB

    • memory/2840-120-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/2840-122-0x0000000000A40000-0x0000000000D60000-memory.dmp
      Filesize

      3.1MB

    • memory/2840-123-0x0000000000480000-0x000000000052E000-memory.dmp
      Filesize

      696KB

    • memory/2892-124-0x0000000005430000-0x0000000005575000-memory.dmp
      Filesize

      1.3MB

    • memory/2892-129-0x0000000005580000-0x0000000005707000-memory.dmp
      Filesize

      1.5MB