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
    3816s
  • max time network
    3824s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    31-10-2021 09:03

General

  • Target

    b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll

  • Size

    448KB

  • MD5

    879628efe6fb566fc83cb019a4d90f5d

  • SHA1

    b4eb4da4ed99f50c0e02b12c23b2ea65dceed706

  • SHA256

    b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7

  • SHA512

    4c5ec0815de1112bc633afb96f50f03bc9506246ce1e4bc6aa8c5b6690941339b16a26f33f7999ba02dc5c460f846da51b4ed2a8f041a68c4bc8991fe2cd8a1c

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1632817399

C2

105.198.236.99:443

140.82.49.12:443

37.210.152.224:995

89.101.97.139:443

81.241.252.59:2078

27.223.92.142:995

81.250.153.227:2222

73.151.236.31:443

47.22.148.6:443

122.11.220.212:2222

120.151.47.189:443

199.27.127.129:443

216.201.162.158:443

136.232.34.70:443

76.25.142.196:443

181.118.183.94:443

120.150.218.241:995

185.250.148.74:443

95.77.223.148:443

75.66.88.33:443

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\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3808
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qowstpbbfc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll\"" /SC ONCE /Z /ST 09:07 /ET 09:19
          4⤵
          • Creates scheduled task(s)
          PID:3188
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1300
      • 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:1604
        • 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\Oiwnyqbp" /d "0"
          4⤵
            PID:1824
          • 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\Mcyoljovzvy" /d "0"
            4⤵
              PID:1492
      • \??\c:\windows\system32\regsvr32.exe
        regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Windows\SysWOW64\regsvr32.exe
          -s "C:\Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll"
          2⤵
            PID:4960

        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\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll
          MD5

          879628efe6fb566fc83cb019a4d90f5d

          SHA1

          b4eb4da4ed99f50c0e02b12c23b2ea65dceed706

          SHA256

          b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7

          SHA512

          4c5ec0815de1112bc633afb96f50f03bc9506246ce1e4bc6aa8c5b6690941339b16a26f33f7999ba02dc5c460f846da51b4ed2a8f041a68c4bc8991fe2cd8a1c

        • C:\Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll
          MD5

          e88ede8da1b7264dae4c24de0ca1a1f2

          SHA1

          8f05873f55112d85281c9c52f380ad7b8b63787b

          SHA256

          be40aa7e665454ff1d6c38f792df2015ed05a7899f07e3874923a7e0e15e581f

          SHA512

          3a4952082ddb34b50becd5f90935ba32d5f348883e34278e0e8bcc3b8430417ac2131b40512e3fd68fa58fc9290368ff97db938db51a902ec9604027e45976b9

        • \Users\Admin\AppData\Local\Temp\b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7.dll
          MD5

          879628efe6fb566fc83cb019a4d90f5d

          SHA1

          b4eb4da4ed99f50c0e02b12c23b2ea65dceed706

          SHA256

          b194eec1e599feeadfd463b06727e8b3c73a72a4c20017e5cfaf89fbf6d365c7

          SHA512

          4c5ec0815de1112bc633afb96f50f03bc9506246ce1e4bc6aa8c5b6690941339b16a26f33f7999ba02dc5c460f846da51b4ed2a8f041a68c4bc8991fe2cd8a1c

        • memory/1300-134-0x0000000003380000-0x0000000003381000-memory.dmp
          Filesize

          4KB

        • memory/1300-133-0x0000000010000000-0x000000001007E000-memory.dmp
          Filesize

          504KB

        • memory/1300-131-0x0000000010000000-0x000000001007E000-memory.dmp
          Filesize

          504KB

        • memory/1300-129-0x0000000000000000-mapping.dmp
        • memory/1492-137-0x0000000000000000-mapping.dmp
        • memory/1604-138-0x0000000003700000-0x0000000003701000-memory.dmp
          Filesize

          4KB

        • memory/1604-139-0x0000000003700000-0x0000000003701000-memory.dmp
          Filesize

          4KB

        • memory/1604-135-0x0000000000000000-mapping.dmp
        • memory/1604-140-0x0000000003250000-0x0000000003271000-memory.dmp
          Filesize

          132KB

        • memory/1824-136-0x0000000000000000-mapping.dmp
        • memory/3188-124-0x0000000000000000-mapping.dmp
        • memory/3808-125-0x0000000000750000-0x0000000000751000-memory.dmp
          Filesize

          4KB

        • memory/3808-127-0x0000000000400000-0x0000000000421000-memory.dmp
          Filesize

          132KB

        • memory/3808-126-0x0000000000750000-0x0000000000751000-memory.dmp
          Filesize

          4KB

        • memory/3808-123-0x0000000000000000-mapping.dmp
        • memory/4188-120-0x0000000010000000-0x0000000010021000-memory.dmp
          Filesize

          132KB

        • memory/4188-118-0x0000000000000000-mapping.dmp
        • memory/4188-121-0x0000000010000000-0x000000001007E000-memory.dmp
          Filesize

          504KB

        • memory/4188-122-0x0000000002680000-0x0000000002681000-memory.dmp
          Filesize

          4KB

        • memory/4188-119-0x0000000010000000-0x000000001007E000-memory.dmp
          Filesize

          504KB

        • memory/4960-142-0x0000000000000000-mapping.dmp