Analysis

  • max time kernel
    132s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:37

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    c2127fb8de616324463923aa8391a6af

  • SHA1

    0eff568a5739d3bad2d898b72639dc64a74b24d9

  • SHA256

    ea0bb405c1452a59990c41df7bda5758f4655988df03de659f666267858b72f8

  • SHA512

    87620e2c661153b817cd81fee5324194d963afb462fcf7a24b62789ec416782c9becc4bba725ab71eb08ae2be4002bf083839542b7eef168065b975234e0c0a8

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

obama05

Campaign

1613729859

C2

86.160.137.132:443

172.87.157.235:3389

106.51.85.162:443

108.31.15.10:995

38.92.225.121:443

173.184.119.153:995

81.150.181.168:2222

71.187.170.235:443

188.25.63.105:443

71.117.132.169:443

193.248.221.184:2222

85.52.72.32:2222

87.202.87.210:2222

78.185.59.190:443

2.7.116.188:2222

81.97.154.100:443

24.50.118.93:443

98.121.187.78:443

108.29.32.251:443

24.152.219.253:995

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 18 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:2204
    • 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:2696
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mppgjympfw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:27 /ET 01:39
          4⤵
          • Creates scheduled task(s)
          PID:2784
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:1184
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 192
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2180

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

    5d106661baa2297a1e2bdfa4a2a82675

    SHA1

    28801eff6c1e7e96b67d830d7eac7091b8a912f5

    SHA256

    a4435a5b16af9efe95df75f3983584cf5c92e2e4998a553be293d06251f5a9ee

    SHA512

    8fce1e09242750bc9b3e16eda29bcdf71e58785bcc6f2ad90c29bb408f6d895681f1cfa358efb187376810c2335e71b90e1c83bfd32d87b85a98391774e9b7e7

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

    5d106661baa2297a1e2bdfa4a2a82675

    SHA1

    28801eff6c1e7e96b67d830d7eac7091b8a912f5

    SHA256

    a4435a5b16af9efe95df75f3983584cf5c92e2e4998a553be293d06251f5a9ee

    SHA512

    8fce1e09242750bc9b3e16eda29bcdf71e58785bcc6f2ad90c29bb408f6d895681f1cfa358efb187376810c2335e71b90e1c83bfd32d87b85a98391774e9b7e7

  • memory/1184-123-0x0000000000000000-mapping.dmp
  • memory/2696-114-0x0000000000000000-mapping.dmp
  • memory/2696-115-0x00000000044C0000-0x0000000004527000-memory.dmp
    Filesize

    412KB

  • memory/2696-116-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/2732-117-0x0000000000000000-mapping.dmp
  • memory/2732-121-0x0000000002BB0000-0x0000000002BE5000-memory.dmp
    Filesize

    212KB

  • memory/2784-118-0x0000000000000000-mapping.dmp