Analysis

  • max time kernel
    129s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 13:32

General

  • Target

    023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll

  • Size

    461KB

  • MD5

    6d479eb76198ae12bd76ce4173cedc52

  • SHA1

    9524e0e5c16b282a0b8e6312173efe4838d0681d

  • SHA256

    023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d

  • SHA512

    76f1e901e678565046f6034ea1845d4beaa701150dd346250374c6201c6d01f5584ba6f2e9f7a7d939cdec1308af2b669a9dd144658f5f7c18da96b403506c76

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

tr

Campaign

1618935072

C2

140.82.49.12:443

190.85.91.154:443

96.37.113.36:993

71.41.184.10:3389

186.31.46.121:443

73.25.124.140:2222

109.12.111.14:443

24.229.150.54:995

45.32.211.207:443

45.77.117.108:443

45.77.117.108:8443

149.28.98.196:443

149.28.98.196:2222

144.202.38.185:443

144.202.38.185:995

45.32.211.207:995

207.246.116.237:995

149.28.99.97:995

45.63.107.192:2222

149.28.101.90:995

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 1 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\023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mniozgveeh /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll\"" /SC ONCE /Z /ST 13:37 /ET 13:49
          4⤵
          • Creates scheduled task(s)
          PID:1336
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {C083485F-E0C9-457E-87E9-FA9E18B40154} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll"
        3⤵
        • Loads dropped DLL
        PID:1932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll

    MD5

    9aecb9c7386a446f7c0f156c45dd61bf

    SHA1

    b5588580f8e18dba7439caa2e7b36b72fa2e4b1b

    SHA256

    86350adf71c4d6887bac7641ff2b2dba9457110d46a857a20505f5d1f8b39adc

    SHA512

    01f9d817ed4d5abe1a0ca184203a7b6d2db1113395d8e61cb10ba5bbe9a0ee7aa5e9cf82e88ac106ead04d15b6c35de0fc1dcb475f72f73d735b38620e1a335b

  • \Users\Admin\AppData\Local\Temp\023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d.dll

    MD5

    9aecb9c7386a446f7c0f156c45dd61bf

    SHA1

    b5588580f8e18dba7439caa2e7b36b72fa2e4b1b

    SHA256

    86350adf71c4d6887bac7641ff2b2dba9457110d46a857a20505f5d1f8b39adc

    SHA512

    01f9d817ed4d5abe1a0ca184203a7b6d2db1113395d8e61cb10ba5bbe9a0ee7aa5e9cf82e88ac106ead04d15b6c35de0fc1dcb475f72f73d735b38620e1a335b

  • memory/1072-63-0x0000000000000000-mapping.dmp

  • memory/1072-65-0x00000000744B1000-0x00000000744B3000-memory.dmp

    Filesize

    8KB

  • memory/1072-67-0x0000000000140000-0x0000000000179000-memory.dmp

    Filesize

    228KB

  • memory/1324-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

    Filesize

    8KB

  • memory/1324-61-0x0000000000730000-0x00000000007A3000-memory.dmp

    Filesize

    460KB

  • memory/1324-62-0x0000000010000000-0x0000000010079000-memory.dmp

    Filesize

    484KB

  • memory/1324-59-0x0000000000000000-mapping.dmp

  • memory/1336-66-0x0000000000000000-mapping.dmp

  • memory/1352-69-0x000007FEFB8F1000-0x000007FEFB8F3000-memory.dmp

    Filesize

    8KB

  • memory/1352-68-0x0000000000000000-mapping.dmp

  • memory/1932-71-0x0000000000000000-mapping.dmp