Analysis

  • max time kernel
    98s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    01/12/2021, 10:31

General

  • Target
    besta.ocx.dll
  • Size 809KB
  • Sample211201-mkfahaeeb4
  • SHA256 a2a676d3c97975edce1e09d9f777287bc953b382962005030f7627d6da08b00a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Version
  • 403.2

Botnet
  • tr

Campaign
  • 1638169179

C2
  • 136.232.34.70:443

  • 117.248.109.38:21

  • 218.101.110.3:995

  • 140.82.49.12:443

  • 102.65.38.57:443

  • 136.143.11.232:443

  • 39.33.188.131:995

  • 76.25.142.196:443

  • 120.150.218.241:995

  • 189.252.156.7:32101

  • 185.53.147.51:443

  • 103.142.10.177:443

  • 117.198.159.148:443

  • 217.165.237.42:443

  • 216.238.71.31:443

  • 207.246.112.221:995

  • 207.246.112.221:443

  • 45.46.53.140:2222

  • 173.21.10.71:2222

  • 67.165.206.193:993

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\besta.ocx.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\besta.ocx.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 752
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3496

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4324-116-0x0000000002DC0000-0x0000000002F0A000-memory.dmp

        memory/4324-118-0x0000000004900000-0x0000000004921000-memory.dmp

        memory/4324-117-0x0000000004900000-0x0000000004921000-memory.dmp

        memory/4324-119-0x00000000031B0000-0x00000000031DE000-memory.dmp

        memory/4324-120-0x0000000004900000-0x0000000004921000-memory.dmp