Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 21:10

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    eecc51a3e43a909aa63a2eda4f4203e4

  • SHA1

    5a20675d76a4afcef6d7bb7eb6e67677e0f9277f

  • SHA256

    17faa98b7ddd4cceabd1c925c6f35e36e5ff053e307349563f49beb477c428fe

  • SHA512

    cc1547659c333bdd291cf28d12e53cc304e8aa52755eb6770ef3994402fd68f084aa19a870c42ee7bf4f306ca67b3bc586c5d82a253161ea441c5b3df8e5fcc2

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

biden02

Campaign

1614154620

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:3260
    • 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:2996
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2056
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rbjnuqeu /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 23:10 /ET 23:22
          4⤵
          • Creates scheduled task(s)
          PID:3676
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:928
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:3772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3356

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

    a01fd4a6f01b4fca388ff64ac5c4631d

    SHA1

    faa38e78eb767c60035396a16254a4eeb53f52bd

    SHA256

    4586adfdb76f6d63478d992a02ce5de6d9c0e93c7723b8ad80581aa32fcee18d

    SHA512

    e294c5731e27e25c8f0039b14a3fbc06747bed9601d5c4cf1bf83c971250af1b099f300b4d433ca8d41c9edebdb2eb0ab3bf32a2465992263fe3cfa58e1e567e

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

    a01fd4a6f01b4fca388ff64ac5c4631d

    SHA1

    faa38e78eb767c60035396a16254a4eeb53f52bd

    SHA256

    4586adfdb76f6d63478d992a02ce5de6d9c0e93c7723b8ad80581aa32fcee18d

    SHA512

    e294c5731e27e25c8f0039b14a3fbc06747bed9601d5c4cf1bf83c971250af1b099f300b4d433ca8d41c9edebdb2eb0ab3bf32a2465992263fe3cfa58e1e567e

  • memory/2056-117-0x0000000000000000-mapping.dmp
  • memory/2056-121-0x00000000008F0000-0x0000000000925000-memory.dmp
    Filesize

    212KB

  • memory/2996-114-0x0000000000000000-mapping.dmp
  • memory/2996-115-0x00000000042F0000-0x0000000004356000-memory.dmp
    Filesize

    408KB

  • memory/2996-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/3676-118-0x0000000000000000-mapping.dmp
  • memory/3772-123-0x0000000000000000-mapping.dmp