Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:38

General

  • Target

    file.dll

  • Size

    402KB

  • MD5

    12f8f3f9c2a3c34d608500107b9574e5

  • SHA1

    35fd5954f26d36f7ea7607ef090c292164a3d54a

  • SHA256

    f6868f2744ecc988b4efa9c53498df383fc4dc8f84e67db74b4b6a21827c1698

  • SHA512

    96958fe182cde4366df9a76fbff7aae1223ab84145efc369a16a188ceae1d2637700ca37b16805289af830edb8da11c87ea26eead3c228d183d543252d9b563f

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

obama06

Campaign

1614154599

C2

98.173.34.213:995

160.3.187.114:443

73.25.124.140:2222

24.50.118.93:443

82.127.125.209:990

83.110.109.106:2222

79.129.121.81:995

189.223.234.23:995

125.63.101.62:443

113.22.175.141:443

172.78.30.215:443

47.146.169.85:443

47.22.148.6:443

76.25.142.196:443

78.63.226.32:443

105.198.236.101:443

75.67.192.125:443

176.181.247.197:443

105.96.8.96:443

108.31.15.10:995

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

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1516
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn buobctm /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:29 /ET 01:41
          4⤵
          • Creates scheduled task(s)
          PID:4064
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:3872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1104

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\file.dll
    MD5

    92afd861fb71245a8a9608a35f070928

    SHA1

    52a092fd619f902aaa7459a4d57fbf2f366e4abb

    SHA256

    8e24cc96560a0b68f4a5e85411c8cb8912da597253bedb9807dc5c7711bf8d56

    SHA512

    ed9fbc1198cc4eea3213493a4d9f683962c6d0051799d801deb52b9bc26d2637636e67448ad563660e8fe197e124ffc882aaca67341f68dfe15ca2a66299198c

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

    92afd861fb71245a8a9608a35f070928

    SHA1

    52a092fd619f902aaa7459a4d57fbf2f366e4abb

    SHA256

    8e24cc96560a0b68f4a5e85411c8cb8912da597253bedb9807dc5c7711bf8d56

    SHA512

    ed9fbc1198cc4eea3213493a4d9f683962c6d0051799d801deb52b9bc26d2637636e67448ad563660e8fe197e124ffc882aaca67341f68dfe15ca2a66299198c

  • memory/1516-117-0x0000000000000000-mapping.dmp
  • memory/1516-121-0x00000000008F0000-0x0000000000925000-memory.dmp
    Filesize

    212KB

  • memory/1828-114-0x0000000000000000-mapping.dmp
  • memory/1828-115-0x0000000002D20000-0x0000000002DCE000-memory.dmp
    Filesize

    696KB

  • memory/1828-116-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/3872-123-0x0000000000000000-mapping.dmp
  • memory/4064-118-0x0000000000000000-mapping.dmp