Resubmissions

01-11-2021 12:31

211101-pp5r3ahha4 10

31-10-2021 09:03

211031-k1bwxacfaq 10

14-10-2021 01:44

211014-b6aflafeg4 10

Analysis

  • max time kernel
    3884s
  • max time network
    3900s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    31-10-2021 09:03

General

  • Target

    06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll

  • Size

    676KB

  • MD5

    dd119e4cab8169c27e5bb65f306ed792

  • SHA1

    a93b6b76b8427caa20f2c041fbf50ba27d2b6aac

  • SHA256

    06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2

  • SHA512

    74f86cab700fe211152ce8b74166156c4feebc71c9f5907fafafca531b2f47af7e9d4d52409411e488e6dd4109e4823b915ff7129d7b2f9a416dde765a3a18cb

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633597626

C2

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

86.8.177.143:443

216.201.162.158:443

174.54.193.186:443

103.148.120.144:443

188.50.169.158:443

124.123.42.115:2222

140.82.49.12:443

199.27.127.129:443

81.241.252.59:2078

209.142.97.161:995

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

103.142.10.177:443

2.222.167.138:443

41.228.22.180:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 6 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 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ndhlmcefue /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll\"" /SC ONCE /Z /ST 09:08 /ET 09:20
          4⤵
          • Creates scheduled task(s)
          PID:1828
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:1804
        • C:\Windows\system32\reg.exe
          C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Eeziicg" /d "0"
          4⤵
            PID:2056
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Afxvuazct" /d "0"
            4⤵
              PID:1972
      • \??\c:\windows\system32\regsvr32.exe
        regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:3560
        • C:\Windows\SysWOW64\regsvr32.exe
          -s "C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll"
          2⤵
            PID:3596

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Defense Evasion

        Disabling Security Tools

        1
        T1089

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll
          MD5

          dd119e4cab8169c27e5bb65f306ed792

          SHA1

          a93b6b76b8427caa20f2c041fbf50ba27d2b6aac

          SHA256

          06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2

          SHA512

          74f86cab700fe211152ce8b74166156c4feebc71c9f5907fafafca531b2f47af7e9d4d52409411e488e6dd4109e4823b915ff7129d7b2f9a416dde765a3a18cb

        • C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll
          MD5

          11da348313b0286a35949a92a50168a2

          SHA1

          2bf04b8b38eafd91ab6950ae72a41558f1d333d3

          SHA256

          69578734d0f27f00f75ef150d8aa6d90fd3472af5e29bc981cb9731f8dd02198

          SHA512

          0915acae308c54b2fca8302712a83d55b26004d1f7ee2129203159c28c3b0972d51da128322a6b8c16b4bca744729bde96642a1fbf4b1292137ea32990f2bee7

        • \Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll
          MD5

          dd119e4cab8169c27e5bb65f306ed792

          SHA1

          a93b6b76b8427caa20f2c041fbf50ba27d2b6aac

          SHA256

          06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2

          SHA512

          74f86cab700fe211152ce8b74166156c4feebc71c9f5907fafafca531b2f47af7e9d4d52409411e488e6dd4109e4823b915ff7129d7b2f9a416dde765a3a18cb

        • memory/1248-122-0x0000000000C60000-0x0000000000C61000-memory.dmp
          Filesize

          4KB

        • memory/1248-120-0x00000000735A0000-0x00000000735C1000-memory.dmp
          Filesize

          132KB

        • memory/1248-121-0x00000000735A0000-0x00000000736E0000-memory.dmp
          Filesize

          1.2MB

        • memory/1248-118-0x0000000000000000-mapping.dmp
        • memory/1248-119-0x00000000735A0000-0x00000000736E0000-memory.dmp
          Filesize

          1.2MB

        • memory/1252-131-0x0000000073300000-0x0000000073440000-memory.dmp
          Filesize

          1.2MB

        • memory/1252-129-0x0000000000000000-mapping.dmp
        • memory/1252-132-0x0000000073300000-0x0000000073321000-memory.dmp
          Filesize

          132KB

        • memory/1252-133-0x0000000073300000-0x0000000073440000-memory.dmp
          Filesize

          1.2MB

        • memory/1252-134-0x0000000000F50000-0x000000000109A000-memory.dmp
          Filesize

          1.3MB

        • memory/1804-139-0x0000000000F10000-0x0000000000F11000-memory.dmp
          Filesize

          4KB

        • memory/1804-138-0x0000000000F10000-0x0000000000F11000-memory.dmp
          Filesize

          4KB

        • memory/1804-140-0x0000000000A60000-0x0000000000A81000-memory.dmp
          Filesize

          132KB

        • memory/1804-135-0x0000000000000000-mapping.dmp
        • memory/1828-124-0x0000000000000000-mapping.dmp
        • memory/1932-127-0x0000000000550000-0x0000000000571000-memory.dmp
          Filesize

          132KB

        • memory/1932-126-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
          Filesize

          4KB

        • memory/1932-125-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
          Filesize

          4KB

        • memory/1932-123-0x0000000000000000-mapping.dmp
        • memory/1972-137-0x0000000000000000-mapping.dmp
        • memory/2056-136-0x0000000000000000-mapping.dmp
        • memory/3596-142-0x0000000000000000-mapping.dmp