Analysis

  • max time kernel
    128s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-11-2020 08:13

General

  • Target

    c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll

  • Size

    251KB

  • MD5

    72b04f20620bb64d6bda9c686bb40293

  • SHA1

    ef703a478a04faa9f6dcee402aafb4012570771a

  • SHA256

    c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0

  • SHA512

    29897436a59cd223c751c2b1241dd5606d7b9b6eaf92f418927ea4a722112013664dd8c787a8d93923c74903296a5839bda293dc5a7cca20e3d40169b4491ce6

Malware Config

Extracted

Family

qakbot

Botnet

abc100

Campaign

1606207839

C2

37.6.223.237:995

2.51.246.190:995

37.211.86.156:443

42.201.228.106:995

50.29.166.232:995

102.185.58.126:443

81.133.234.36:2222

2.50.89.158:995

79.166.83.103:2222

173.245.152.231:443

2.86.41.23:2222

93.151.180.170:61202

24.179.13.119:443

24.152.219.253:995

105.198.236.99:443

24.205.42.241:443

176.58.132.212:2222

151.73.126.156:443

94.52.68.72:443

47.146.169.85:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1192
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dfuaqdk /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll\"" /SC ONCE /Z /ST 08:11 /ET 08:23
          4⤵
          • Creates scheduled task(s)
          PID:1264
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5B0D82A3-702C-4B8F-979F-14B7A0360CE0} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll"
        3⤵
        • Loads dropped DLL
        PID:864

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll
    MD5

    070fffb71628a71b6096e309559a16a4

    SHA1

    be704c88af9d8715d6cd0d84a73a1c90e1b16d0b

    SHA256

    69b1dce33d1cbabd2c89c64021011b9d0715b60166b79f506677f4e5862c4d7c

    SHA512

    67484755d1c693d2927b8cc9ddace91a26f2fa0cf8e05722265eea298810321acf630f4b79079e1eeb435dcd84fda762702a52de983bd897fd76f7fedc254302

  • \Users\Admin\AppData\Local\Temp\c87c90e4ca093cb6ee55d605f08d1f679df35ebfe7943ffeef41ab1d2e7e39a0.dll
    MD5

    070fffb71628a71b6096e309559a16a4

    SHA1

    be704c88af9d8715d6cd0d84a73a1c90e1b16d0b

    SHA256

    69b1dce33d1cbabd2c89c64021011b9d0715b60166b79f506677f4e5862c4d7c

    SHA512

    67484755d1c693d2927b8cc9ddace91a26f2fa0cf8e05722265eea298810321acf630f4b79079e1eeb435dcd84fda762702a52de983bd897fd76f7fedc254302

  • memory/864-8-0x0000000000000000-mapping.dmp
  • memory/1192-1-0x00000000000A0000-0x00000000000A2000-memory.dmp
    Filesize

    8KB

  • memory/1192-3-0x0000000000000000-mapping.dmp
  • memory/1192-5-0x0000000000080000-0x00000000000A0000-memory.dmp
    Filesize

    128KB

  • memory/1264-4-0x0000000000000000-mapping.dmp
  • memory/1636-6-0x0000000000000000-mapping.dmp
  • memory/2020-0-0x0000000000000000-mapping.dmp
  • memory/2020-2-0x0000000000280000-0x00000000002A0000-memory.dmp
    Filesize

    128KB