Analysis

  • max time kernel
    128s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-04-2021 23:28

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    74dfd5f9b8cb030eb409af0865c5c8f7

  • SHA1

    53d1d4fa4753250c5329b68fd6dea6ae31a05d17

  • SHA256

    c2c1b4a71e990dcf700629872b5f8918316a2a990f9c8c4f2c51a75e66d7a29e

  • SHA512

    366010b5e003d174e6e2b71f2d27554e553abfee9e9b3fbb8a15b2731cb412824f079559beb4f5e1f88668f70d4e14eb357cc87cba7a25a0643b36b43d69b7b9

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

biden02

Campaign

1614154620

C2

98.173.34.213:995

160.3.187.114:443

73.25.124.140:2222

24.50.118.93:443

82.127.125.209:990

83.110.109.106:2222

79.129.121.81:995

189.223.234.23:995

125.63.101.62:443

113.22.175.141:443

172.78.30.215:443

47.146.169.85:443

47.22.148.6:443

76.25.142.196:443

78.63.226.32:443

105.198.236.101:443

75.67.192.125:443

176.181.247.197:443

105.96.8.96:443

108.31.15.10:995

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

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ywsxkbuymd /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:21 /ET 01:33
          4⤵
          • Creates scheduled task(s)
          PID:800
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1F51777D-C8EF-4D02-B87F-2F87200574BE} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:920
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:340
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
        3⤵
        • Loads dropped DLL
        PID:1172

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

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Downloads

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

    572ecfb33da05497254cf75db0190d30

    SHA1

    a48f3361f7de09dfafd14d1cb66b28fbbf216abf

    SHA256

    e021fd71a61ec91af65e710ce17f8038326a648c1ed2eac3f3699b551eb91fab

    SHA512

    71394c96ad7d57daefc893777ee4777995038343afa8aec22b3ca7945851fa4322a47143424b8ac1e8cf667df5255aee997eb456ea8de6f6eb6ec7d9a1e913a7

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

    572ecfb33da05497254cf75db0190d30

    SHA1

    a48f3361f7de09dfafd14d1cb66b28fbbf216abf

    SHA256

    e021fd71a61ec91af65e710ce17f8038326a648c1ed2eac3f3699b551eb91fab

    SHA512

    71394c96ad7d57daefc893777ee4777995038343afa8aec22b3ca7945851fa4322a47143424b8ac1e8cf667df5255aee997eb456ea8de6f6eb6ec7d9a1e913a7

  • memory/340-70-0x0000000000000000-mapping.dmp
  • memory/800-68-0x0000000000000000-mapping.dmp
  • memory/1172-73-0x0000000000000000-mapping.dmp
  • memory/1208-63-0x0000000000530000-0x00000000005B0000-memory.dmp
    Filesize

    512KB

  • memory/1208-64-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/1208-62-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
    Filesize

    8KB

  • memory/1208-61-0x0000000000000000-mapping.dmp
  • memory/1420-60-0x000007FEFB741000-0x000007FEFB743000-memory.dmp
    Filesize

    8KB

  • memory/1724-67-0x0000000073F61000-0x0000000073F63000-memory.dmp
    Filesize

    8KB

  • memory/1724-65-0x0000000000000000-mapping.dmp
  • memory/1724-69-0x00000000000C0000-0x00000000000F5000-memory.dmp
    Filesize

    212KB