Analysis

  • max time kernel
    136s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 16:27

General

  • Target

    497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll

  • Size

    2.3MB

  • MD5

    87855c528aedbc7253d4b60010015b0c

  • SHA1

    e1d333aa6d1b905ffa92feff0e96ea41ea330ba9

  • SHA256

    497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a

  • SHA512

    753cd2c0b762a45ba0c05639e82914350ed4444f619b8454ab6aaaaaad69515b05dfebe07223c7ebc39db7e8a7bbd2197df85161cceb689b8eb24c3848a49f20

Malware Config

Extracted

Family

qakbot

Version

401.157

Botnet

abc117

Campaign

1608747966

C2

67.6.54.180:443

187.250.170.34:995

67.141.11.98:443

109.154.79.222:2222

2.88.184.160:443

85.52.72.32:2222

86.98.21.234:443

73.166.10.38:50003

90.61.30.155:2222

71.182.142.63:443

178.223.22.192:995

184.189.122.72:443

181.39.236.199:443

72.240.200.181:2222

154.238.45.174:995

47.22.148.6:443

2.51.251.47:995

199.19.117.131:443

200.76.215.87:443

37.104.39.32:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • 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 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1360
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dvecvjiv /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll\"" /SC ONCE /Z /ST 22:06 /ET 22:18
          4⤵
          • Creates scheduled task(s)
          PID:556
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {238E771A-D739-47C8-8147-973BD62A1CFA} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll"
        3⤵
        • Loads dropped DLL
        PID:1084

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll
    Filesize

    2.3MB

    MD5

    3a79ce1f7909eb4c83a44bd36994a647

    SHA1

    4aa2817aaccdc63a3c266d626d3531acbd2847f9

    SHA256

    d9f212efa3fca374b986063a76054b69cba520f5bff856bd5f5be60f589c5a94

    SHA512

    4025456a39d45fc17d9d901f3d88d3bbf421011e6baebcf8a94eabfcbd38340eaa9565dc813cd83bb275b98f25bb30d11a3108e259951f3d3cddf089aac0cf2f

  • \Users\Admin\AppData\Local\Temp\497915c375e4647d82e089e288cadc1cd681f068b8a2dc1d3bea0994c8dfef8a.dll
    Filesize

    2.3MB

    MD5

    3a79ce1f7909eb4c83a44bd36994a647

    SHA1

    4aa2817aaccdc63a3c266d626d3531acbd2847f9

    SHA256

    d9f212efa3fca374b986063a76054b69cba520f5bff856bd5f5be60f589c5a94

    SHA512

    4025456a39d45fc17d9d901f3d88d3bbf421011e6baebcf8a94eabfcbd38340eaa9565dc813cd83bb275b98f25bb30d11a3108e259951f3d3cddf089aac0cf2f

  • memory/556-63-0x0000000000000000-mapping.dmp
  • memory/1084-68-0x0000000000000000-mapping.dmp
  • memory/1360-58-0x0000000000000000-mapping.dmp
  • memory/1360-60-0x0000000074A01000-0x0000000074A03000-memory.dmp
    Filesize

    8KB

  • memory/1360-64-0x00000000000C0000-0x00000000000F4000-memory.dmp
    Filesize

    208KB

  • memory/1360-62-0x00000000000C0000-0x00000000000F4000-memory.dmp
    Filesize

    208KB

  • memory/1532-57-0x0000000010000000-0x0000000010249000-memory.dmp
    Filesize

    2.3MB

  • memory/1532-61-0x0000000010000000-0x0000000010034000-memory.dmp
    Filesize

    208KB

  • memory/1532-54-0x0000000000000000-mapping.dmp
  • memory/1532-56-0x0000000001FF0000-0x00000000021DA000-memory.dmp
    Filesize

    1.9MB

  • memory/1532-55-0x0000000076241000-0x0000000076243000-memory.dmp
    Filesize

    8KB

  • memory/1792-65-0x0000000000000000-mapping.dmp
  • memory/1792-66-0x000007FEFBCF1000-0x000007FEFBCF3000-memory.dmp
    Filesize

    8KB