Analysis

  • max time kernel
    161s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    01/02/2022, 05:09

General

  • Target
    8deba9fb53096d6ea5e2090b662244293829096eee03d06108deb15e496a807e.exe
  • Size 624KB
  • Sample220201-fs5rsshbcl
  • SHA256 8deba9fb53096d6ea5e2090b662244293829096eee03d06108deb15e496a807e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 1000503

Botnet
  • qw8

C2
  • 5.182.210.226:443

  • 192.210.226.106:443

  • 51.254.164.244:443

  • 45.148.120.153:443

  • 195.123.239.67:443

  • 194.5.250.150:443

  • 217.12.209.200:443

  • 185.99.2.221:443

  • 51.254.164.245:443

  • 185.62.188.159:443

  • 46.17.107.65:443

  • 185.20.185.76:443

  • 185.203.118.37:443

  • 146.185.253.178:443

  • 185.14.31.252:443

  • 185.99.2.115:443

  • 172.245.156.138:443

  • 51.89.73.158:443

  • 190.214.13.2:449

  • 181.140.173.186:449

Attributes
  • autorun

ecc_pubkey.base64

Signatures

  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Dave packer 3 IoCs

    Detects executable using a packer named 'Dave' by the community, based on a string at the end.

  • Executes dropped EXE 1 IoCs
  • Sets service image path in registry 2 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8deba9fb53096d6ea5e2090b662244293829096eee03d06108deb15e496a807e.exe
    "C:\Users\Admin\AppData\Local\Temp\8deba9fb53096d6ea5e2090b662244293829096eee03d06108deb15e496a807e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\ProgramData\ΔευτέραວັນຈັນأخসোমবারباCC;ↈↈↈ;;راПонедељакلإثنين.exe
      "C:\ProgramData\ΔευτέραວັນຈັນأخসোমবারباCC;ↈↈↈ;;راПонедељакلإثنين.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:672
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe dd97d4ff421c194ebc735dbcac415be5 3k6yEJCihUig5Pa+DIBTnQ.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:3584

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/672-343-0x0000026372B40000-0x0000026372B64000-memory.dmp

        memory/2260-161-0x0000000002300000-0x0000000002336000-memory.dmp

        memory/2260-164-0x0000000002440000-0x0000000002483000-memory.dmp

        memory/2392-333-0x0000000000570000-0x00000000005A6000-memory.dmp

        memory/2392-336-0x0000000000640000-0x0000000000672000-memory.dmp

        memory/2392-337-0x0000000000600000-0x0000000000632000-memory.dmp

        memory/2392-340-0x00000000006C0000-0x00000000006C1000-memory.dmp