Analysis

  • max time kernel
    147s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 23:31

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    d934cc66e4c61e6960972280d01016c9

  • SHA1

    f96239e0b72e5bcabf603e4bcd2757816582856c

  • SHA256

    d1dfb1e56fbfebfa503f6daa477424eae7769d29b494d1d43275a29e2095ca3f

  • SHA512

    f1756ba5e066cca81f2ba04e673a2210b503b074b0e6cd75ad7e725385bdfebb78acdc18fdf1147d5ff5dce615bd6242ea066a1e1e6d73f3098f850d868d15e3

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:1000
    • 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:4088
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1640
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn abgfxlvtaj /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:24 /ET 03:36
          4⤵
          • Creates scheduled task(s)
          PID:1472
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:1548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3908

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

    97b49e01815cd135813f9d699d252213

    SHA1

    c6ca640fa661d9a3f4c40c6dc37b9f43425c4230

    SHA256

    b7de78d4ba30aed1519a94d3131db62bac1b6d8a6c0a3dfe6585139ab0cc1d25

    SHA512

    5041049e6956e3db378fdc6ed240b97b457052087e01a378c2e3919f55002fc8b1ff3b3e8018fca98cc8e21e4d7901d03ec5bf42a6de19250d84193c191f3a43

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

    97b49e01815cd135813f9d699d252213

    SHA1

    c6ca640fa661d9a3f4c40c6dc37b9f43425c4230

    SHA256

    b7de78d4ba30aed1519a94d3131db62bac1b6d8a6c0a3dfe6585139ab0cc1d25

    SHA512

    5041049e6956e3db378fdc6ed240b97b457052087e01a378c2e3919f55002fc8b1ff3b3e8018fca98cc8e21e4d7901d03ec5bf42a6de19250d84193c191f3a43

  • memory/1472-118-0x0000000000000000-mapping.dmp
  • memory/1548-123-0x0000000000000000-mapping.dmp
  • memory/1640-117-0x0000000000000000-mapping.dmp
  • memory/1640-121-0x0000000000FA0000-0x0000000000FD5000-memory.dmp
    Filesize

    212KB

  • memory/4088-114-0x0000000000000000-mapping.dmp
  • memory/4088-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/4088-115-0x00000000007D0000-0x000000000091A000-memory.dmp
    Filesize

    1.3MB