Analysis

  • max time kernel
    152s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    14-07-2022 23:28

General

  • Target

    main.dll

  • Size

    777KB

  • MD5

    926382093a313282f4a1639944f3fb0c

  • SHA1

    851380d94deeb031aad806795d760f3982399850

  • SHA256

    1ce7c87d8dc79ace14eb2a1be829f2d3b321b70717f723a61998ab3b9112eec8

  • SHA512

    f315d01e8475c4bc73a9c2e18c17c462b826dec66d9900534f0ccddd08f782642828fe1c2b3a04049f82c38f24cd48f419c7d1c91200ca1de32f27642ac145d3

Malware Config

Extracted

Family

qakbot

Version

403.780

Botnet

vip01

Campaign

1657631718

C2

47.23.89.60:993

37.34.253.233:443

196.203.37.215:80

89.211.209.234:2222

81.158.239.251:2078

179.111.8.52:32101

208.107.221.224:443

24.158.23.166:995

66.230.104.103:443

92.132.132.81:2222

24.139.72.117:443

174.80.15.101:2083

24.178.196.158:2222

100.38.242.113:995

37.186.58.99:995

24.55.67.176:443

74.14.5.179:2222

172.114.160.81:443

40.134.246.185:995

63.143.92.99:995

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1936
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 01:31 /tn lvyzihh /ET 01:42 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAbQBhAGkAbgAuAGQAbABsACIA" /SC ONCE
          4⤵
          • Creates scheduled task(s)
          PID:1944
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D66D6B2B-63D3-4226-BC47-EF103435F9FB} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAbQBhAGkAbgAuAGQAbABsACIA
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\system32\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\main.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1916
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Users\Admin\AppData\Local\Temp\main.dll
          4⤵
          • Loads dropped DLL
          PID:1928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\main.dll

    Filesize

    777KB

    MD5

    926382093a313282f4a1639944f3fb0c

    SHA1

    851380d94deeb031aad806795d760f3982399850

    SHA256

    1ce7c87d8dc79ace14eb2a1be829f2d3b321b70717f723a61998ab3b9112eec8

    SHA512

    f315d01e8475c4bc73a9c2e18c17c462b826dec66d9900534f0ccddd08f782642828fe1c2b3a04049f82c38f24cd48f419c7d1c91200ca1de32f27642ac145d3

  • \Users\Admin\AppData\Local\Temp\main.dll

    Filesize

    777KB

    MD5

    926382093a313282f4a1639944f3fb0c

    SHA1

    851380d94deeb031aad806795d760f3982399850

    SHA256

    1ce7c87d8dc79ace14eb2a1be829f2d3b321b70717f723a61998ab3b9112eec8

    SHA512

    f315d01e8475c4bc73a9c2e18c17c462b826dec66d9900534f0ccddd08f782642828fe1c2b3a04049f82c38f24cd48f419c7d1c91200ca1de32f27642ac145d3

  • memory/1148-65-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB

  • memory/1148-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

    Filesize

    8KB

  • memory/1148-59-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB

  • memory/1148-58-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB

  • memory/1148-60-0x0000000000370000-0x0000000000392000-memory.dmp

    Filesize

    136KB

  • memory/1148-61-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB

  • memory/1148-56-0x0000000000810000-0x00000000008D6000-memory.dmp

    Filesize

    792KB

  • memory/1148-54-0x0000000000000000-mapping.dmp

  • memory/1148-57-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB

  • memory/1688-78-0x000000000133B000-0x000000000135A000-memory.dmp

    Filesize

    124KB

  • memory/1688-77-0x0000000001334000-0x0000000001337000-memory.dmp

    Filesize

    12KB

  • memory/1688-69-0x0000000000000000-mapping.dmp

  • memory/1688-70-0x000007FEFBCD1000-0x000007FEFBCD3000-memory.dmp

    Filesize

    8KB

  • memory/1688-71-0x000007FEF4150000-0x000007FEF4B73000-memory.dmp

    Filesize

    10.1MB

  • memory/1688-72-0x000007FEF35F0000-0x000007FEF414D000-memory.dmp

    Filesize

    11.4MB

  • memory/1688-73-0x0000000001334000-0x0000000001337000-memory.dmp

    Filesize

    12KB

  • memory/1688-74-0x000000000133B000-0x000000000135A000-memory.dmp

    Filesize

    124KB

  • memory/1916-75-0x0000000000000000-mapping.dmp

  • memory/1928-80-0x0000000000000000-mapping.dmp

  • memory/1928-83-0x0000000000680000-0x0000000000746000-memory.dmp

    Filesize

    792KB

  • memory/1928-84-0x0000000000220000-0x0000000000242000-memory.dmp

    Filesize

    136KB

  • memory/1928-85-0x0000000000220000-0x0000000000242000-memory.dmp

    Filesize

    136KB

  • memory/1928-86-0x0000000000220000-0x0000000000242000-memory.dmp

    Filesize

    136KB

  • memory/1928-87-0x00000000001C0000-0x00000000001E2000-memory.dmp

    Filesize

    136KB

  • memory/1928-88-0x0000000000220000-0x0000000000242000-memory.dmp

    Filesize

    136KB

  • memory/1936-68-0x0000000000310000-0x0000000000332000-memory.dmp

    Filesize

    136KB

  • memory/1936-66-0x0000000000310000-0x0000000000332000-memory.dmp

    Filesize

    136KB

  • memory/1936-64-0x0000000074621000-0x0000000074623000-memory.dmp

    Filesize

    8KB

  • memory/1936-62-0x0000000000000000-mapping.dmp

  • memory/1944-67-0x0000000000000000-mapping.dmp