Analysis

  • max time kernel
    128s
  • max time network
    99s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-11-2020 08:14

General

  • Target

    f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll

  • Size

    251KB

  • MD5

    a710a42b010bc82a53107a73f6e0d0ef

  • SHA1

    5f0f2c19bb57f164c49b02c6bb066b1e27779c6c

  • SHA256

    f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a

  • SHA512

    6e7f5de74a2fed73cae068c3e8a196630d2257c5b213d6f3ba6887bffc0ee829c34fae2061d8bf89594ee5f8da88645bba24cf8301cc271757b68344882b18dc

Malware Config

Extracted

Family

qakbot

Botnet

abc100

Campaign

1606207839

C2

37.6.223.237:995

2.51.246.190:995

37.211.86.156:443

42.201.228.106:995

50.29.166.232:995

102.185.58.126:443

81.133.234.36:2222

2.50.89.158:995

79.166.83.103:2222

173.245.152.231:443

2.86.41.23:2222

93.151.180.170:61202

24.179.13.119:443

24.152.219.253:995

105.198.236.99:443

24.205.42.241:443

176.58.132.212:2222

151.73.126.156:443

94.52.68.72:443

47.146.169.85:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll,#1
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cbaqagkipp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll\"" /SC ONCE /Z /ST 08:12 /ET 08:24
          4⤵
          • Creates scheduled task(s)
          PID:1120
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll"
      2⤵
      • Loads dropped DLL
      PID:976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3960

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll
    MD5

    c5d62b9c725935cf258eb5c6cf12745e

    SHA1

    2d3e791e7ec411ddd656541a3bd0b98fae2b9779

    SHA256

    f108e9ff5de349f23c54b7186612c24c4224ca172571184a594227c61f87138f

    SHA512

    e8fc22d4e5461d765bc07bc5433cd90db5463a36e5aa83ec2189479b726c213aa56c2be424b39fb6e0c96fc30e0e9ba0a33a21a9ffe5c50a1d907c40671361e9

  • \Users\Admin\AppData\Local\Temp\f2ec4d6a4cf9e3a9ffd51292ca722f8e4cb860e047bea963e5d76f94221e184a.dll
    MD5

    c5d62b9c725935cf258eb5c6cf12745e

    SHA1

    2d3e791e7ec411ddd656541a3bd0b98fae2b9779

    SHA256

    f108e9ff5de349f23c54b7186612c24c4224ca172571184a594227c61f87138f

    SHA512

    e8fc22d4e5461d765bc07bc5433cd90db5463a36e5aa83ec2189479b726c213aa56c2be424b39fb6e0c96fc30e0e9ba0a33a21a9ffe5c50a1d907c40671361e9

  • memory/908-2-0x0000000000000000-mapping.dmp
  • memory/908-4-0x0000000000BB0000-0x0000000000BD0000-memory.dmp
    Filesize

    128KB

  • memory/976-6-0x0000000000000000-mapping.dmp
  • memory/976-9-0x0000000000000000-mapping.dmp
  • memory/1120-3-0x0000000000000000-mapping.dmp
  • memory/2516-0-0x0000000000000000-mapping.dmp
  • memory/2516-1-0x00000000034F0000-0x0000000003510000-memory.dmp
    Filesize

    128KB

  • memory/3960-8-0x00000000034F0000-0x00000000034F1000-memory.dmp
    Filesize

    4KB

  • memory/3960-10-0x0000000003F60000-0x0000000003F61000-memory.dmp
    Filesize

    4KB