Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    12-05-2021 20:10

General

  • Target

    qakbot.dll

  • Size

    959KB

  • MD5

    2dc87224ef9349f4b281f11fb43ed3f4

  • SHA1

    e19c8174793560817c522e3f206f6434ebf4b342

  • SHA256

    31c42d854a77c7673a3438df6501c3a09ee530f6f4f23cc7bea891cec7bc096b

  • SHA512

    1d492db541796480d4f4c987f4ab7abd49ba6caf6da8bed419893d658ce5325e3cd672d9fef7a58986f2262ef18775ad1e435358a1b797cf271cea99474f0874

Malware Config

Extracted

Family

qakbot

Version

402.68

Botnet

tr

Campaign

1619706851

C2

24.117.107.120:443

190.85.91.154:443

72.252.201.69:443

189.210.115.207:443

71.41.184.10:3389

81.97.154.100:443

50.29.166.232:995

140.82.49.12:443

75.137.47.174:443

71.74.12.34:443

73.25.124.140:2222

149.28.99.97:2222

45.77.115.208:2222

45.32.211.207:995

207.246.116.237:443

149.28.99.97:443

207.246.77.75:443

149.28.98.196:995

207.246.116.237:2222

45.77.115.208:8443

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\qakbot.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\qakbot.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:324
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dfiizrbdi /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\qakbot.dll\"" /SC ONCE /Z /ST 20:09 /ET 20:21
          4⤵
          • Creates scheduled task(s)
          PID:1440
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {39F9EB69-F303-4862-9649-2AF163BBF3F1} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\qakbot.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:520
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\qakbot.dll"
        3⤵
        • Loads dropped DLL
        PID:544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    66da15ed5409af572e74d10ae8d07985

    SHA1

    27f973e0797c9a3d7ccf19c1426adacf7d0f347e

    SHA256

    417176b526ba27bb7a1f92e3bd12d23c27b4b4617d9efb8332c65d926babd2d3

    SHA512

    c62b66e344eb618661950bf8e07b9cbf9cf43f51a01acf317a93844c711668423c67671e234e00a678a9a849b888b05a2b14bac5cf7160677ed2b4cdda958dba

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

    66da15ed5409af572e74d10ae8d07985

    SHA1

    27f973e0797c9a3d7ccf19c1426adacf7d0f347e

    SHA256

    417176b526ba27bb7a1f92e3bd12d23c27b4b4617d9efb8332c65d926babd2d3

    SHA512

    c62b66e344eb618661950bf8e07b9cbf9cf43f51a01acf317a93844c711668423c67671e234e00a678a9a849b888b05a2b14bac5cf7160677ed2b4cdda958dba

  • memory/324-59-0x0000000000000000-mapping.dmp
  • memory/324-60-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB

  • memory/324-61-0x0000000000900000-0x00000000009EE000-memory.dmp
    Filesize

    952KB

  • memory/324-62-0x00000000001D0000-0x0000000000210000-memory.dmp
    Filesize

    256KB

  • memory/324-63-0x00000000002C0000-0x00000000002FD000-memory.dmp
    Filesize

    244KB

  • memory/520-69-0x0000000000000000-mapping.dmp
  • memory/520-70-0x000007FEFB8F1000-0x000007FEFB8F3000-memory.dmp
    Filesize

    8KB

  • memory/544-72-0x0000000000000000-mapping.dmp
  • memory/1308-68-0x00000000000D0000-0x000000000010D000-memory.dmp
    Filesize

    244KB

  • memory/1308-66-0x00000000743E1000-0x00000000743E3000-memory.dmp
    Filesize

    8KB

  • memory/1308-64-0x0000000000000000-mapping.dmp
  • memory/1440-67-0x0000000000000000-mapping.dmp