Analysis

  • max time kernel
    600s
  • max time network
    604s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2022 14:05

General

  • Target

    019338921.dll

  • Size

    1.4MB

  • MD5

    7bbeafc1ab9f9d1a48a99338ffec561c

  • SHA1

    a4ce6de223addbdc66e747d3abd00b9f190fb5cb

  • SHA256

    fca807ab91e7328195cafebe5761402f4d7066aef4c766c78a37f2c27fcf812c

  • SHA512

    a32b34d9c03b6a1eaa1d409968d6d211a22320cc8b46955f8cda156f4956ea4a3d2e6d0a5fd8578e274e67db36e2696a7e8722647313333d3b7825d3e3a2c263

Malware Config

Extracted

Family

qakbot

Version

403.694

Botnet

obama186

Campaign

1654596660

C2

67.165.206.193:993

63.143.92.99:995

74.14.5.179:2222

182.191.92.203:995

197.89.8.51:443

89.101.97.139:443

86.97.9.190:443

124.40.244.115:2222

80.11.74.81:2222

41.215.153.104:995

179.100.20.32:32101

31.35.28.29:443

202.134.152.2:2222

109.12.111.14:443

93.48.80.198:995

120.150.218.241:995

41.38.167.179:995

177.94.57.126:32101

173.174.216.62:443

1.161.101.20:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs 4 IoCs
  • 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 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\019338921.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\019338921.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2016
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qjtjkddzd /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\019338921.dll\"" /SC ONCE /Z /ST 14:10 /ET 14:22
          4⤵
          • Creates scheduled task(s)
          PID:2040
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A79CC1B1-6761-459D-8DE0-A3D00887EA9C} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\019338921.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\019338921.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1844
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1088
          • 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\Okuwg" /d "0"
            5⤵
            • Windows security bypass
            PID:1716
          • 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\Eeuzb" /d "0"
            5⤵
            • Windows security bypass
            PID:1908

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\019338921.dll
    Filesize

    1.4MB

    MD5

    7bbeafc1ab9f9d1a48a99338ffec561c

    SHA1

    a4ce6de223addbdc66e747d3abd00b9f190fb5cb

    SHA256

    fca807ab91e7328195cafebe5761402f4d7066aef4c766c78a37f2c27fcf812c

    SHA512

    a32b34d9c03b6a1eaa1d409968d6d211a22320cc8b46955f8cda156f4956ea4a3d2e6d0a5fd8578e274e67db36e2696a7e8722647313333d3b7825d3e3a2c263

  • \??\PIPE\wkssvc
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Temp\019338921.dll
    Filesize

    1.4MB

    MD5

    7bbeafc1ab9f9d1a48a99338ffec561c

    SHA1

    a4ce6de223addbdc66e747d3abd00b9f190fb5cb

    SHA256

    fca807ab91e7328195cafebe5761402f4d7066aef4c766c78a37f2c27fcf812c

    SHA512

    a32b34d9c03b6a1eaa1d409968d6d211a22320cc8b46955f8cda156f4956ea4a3d2e6d0a5fd8578e274e67db36e2696a7e8722647313333d3b7825d3e3a2c263

  • memory/560-70-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp
    Filesize

    8KB

  • memory/560-69-0x0000000000000000-mapping.dmp
  • memory/768-58-0x0000000000340000-0x0000000000362000-memory.dmp
    Filesize

    136KB

  • memory/768-60-0x00000000001F0000-0x000000000021D000-memory.dmp
    Filesize

    180KB

  • memory/768-61-0x0000000000340000-0x0000000000362000-memory.dmp
    Filesize

    136KB

  • memory/768-65-0x0000000000340000-0x0000000000362000-memory.dmp
    Filesize

    136KB

  • memory/768-59-0x0000000000340000-0x0000000000362000-memory.dmp
    Filesize

    136KB

  • memory/768-57-0x0000000000340000-0x0000000000362000-memory.dmp
    Filesize

    136KB

  • memory/768-56-0x0000000000910000-0x0000000000A75000-memory.dmp
    Filesize

    1.4MB

  • memory/768-55-0x00000000768D1000-0x00000000768D3000-memory.dmp
    Filesize

    8KB

  • memory/768-54-0x0000000000000000-mapping.dmp
  • memory/1088-89-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1088-87-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1088-81-0x0000000000000000-mapping.dmp
  • memory/1716-86-0x0000000000000000-mapping.dmp
  • memory/1844-80-0x0000000000F40000-0x0000000000F62000-memory.dmp
    Filesize

    136KB

  • memory/1844-85-0x0000000000F40000-0x0000000000F62000-memory.dmp
    Filesize

    136KB

  • memory/1844-76-0x0000000000F40000-0x0000000000F62000-memory.dmp
    Filesize

    136KB

  • memory/1844-78-0x0000000000F40000-0x0000000000F62000-memory.dmp
    Filesize

    136KB

  • memory/1844-77-0x0000000000F40000-0x0000000000F62000-memory.dmp
    Filesize

    136KB

  • memory/1844-79-0x0000000000980000-0x00000000009AD000-memory.dmp
    Filesize

    180KB

  • memory/1844-72-0x0000000000000000-mapping.dmp
  • memory/1844-75-0x0000000000A00000-0x0000000000B65000-memory.dmp
    Filesize

    1.4MB

  • memory/1908-88-0x0000000000000000-mapping.dmp
  • memory/2016-68-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/2016-66-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/2016-64-0x0000000074DD1000-0x0000000074DD3000-memory.dmp
    Filesize

    8KB

  • memory/2016-62-0x0000000000000000-mapping.dmp
  • memory/2040-67-0x0000000000000000-mapping.dmp