Analysis

  • max time kernel
    110s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    20-09-2021 17:28

General

  • Target

    944db2ee2b1958a2740d0b5c0057c46f.dll

  • Size

    823KB

  • MD5

    944db2ee2b1958a2740d0b5c0057c46f

  • SHA1

    b0804ed04064aed6c9b283629b3416b5aeac84fb

  • SHA256

    095c41270ae3a26ae9efb626be12ed920c44432f3c8cc8ed8ee67d67425c1251

  • SHA512

    786273bb4be3439fdf0f79021c043b1a95afe85444c5330ead4d93b5ad6c3484f546017e564b50b64609725df7be9071cc1eee9b3817035a36229423995b1343

Malware Config

Extracted

Family

qakbot

Version

402.318

Botnet

obama100

Campaign

1632151873

C2

45.46.53.140:2222

144.139.47.206:443

189.210.115.207:443

120.150.218.241:995

47.22.148.6:443

140.82.49.12:443

24.139.72.117:443

24.229.150.54:995

24.55.112.61:443

136.232.34.70:443

95.77.223.148:443

173.21.10.71:2222

76.25.142.196:443

96.37.113.36:993

71.74.12.34:443

73.151.236.31:443

67.165.206.193:993

109.12.111.14:443

68.204.7.158:443

105.198.236.99:443

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: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\944db2ee2b1958a2740d0b5c0057c46f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\944db2ee2b1958a2740d0b5c0057c46f.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn yzfxnye /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\944db2ee2b1958a2740d0b5c0057c46f.dll\"" /SC ONCE /Z /ST 17:30 /ET 17:42
          4⤵
          • Creates scheduled task(s)
          PID:964
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D31DD0AA-199D-4F08-A0F2-66CA51D0ED38} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:888
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\944db2ee2b1958a2740d0b5c0057c46f.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\944db2ee2b1958a2740d0b5c0057c46f.dll"
        3⤵
        • Loads dropped DLL
        PID:1304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\944db2ee2b1958a2740d0b5c0057c46f.dll

    MD5

    ef3f9065a43a1ef153d8f03f76efaec4

    SHA1

    0bd35a176c971a4a0e62c365154e78d65d8097ac

    SHA256

    12aca0db4089456e7f4b15ade64a737644d41872a7e475140327299f6452b86a

    SHA512

    dcbb0499ba93c9a4e94cf46d46618d7f1836ec4edb200c221165eaabb60ea8d09297c32b15d9eb610c0152a75e8c9651b4d1e0ddf4295ad2f667b8829404f019

  • \Users\Admin\AppData\Local\Temp\944db2ee2b1958a2740d0b5c0057c46f.dll

    MD5

    ef3f9065a43a1ef153d8f03f76efaec4

    SHA1

    0bd35a176c971a4a0e62c365154e78d65d8097ac

    SHA256

    12aca0db4089456e7f4b15ade64a737644d41872a7e475140327299f6452b86a

    SHA512

    dcbb0499ba93c9a4e94cf46d46618d7f1836ec4edb200c221165eaabb60ea8d09297c32b15d9eb610c0152a75e8c9651b4d1e0ddf4295ad2f667b8829404f019

  • memory/964-62-0x0000000000000000-mapping.dmp

  • memory/1304-67-0x0000000000000000-mapping.dmp

  • memory/1356-65-0x000007FEFB541000-0x000007FEFB543000-memory.dmp

    Filesize

    8KB

  • memory/1356-64-0x0000000000000000-mapping.dmp

  • memory/1592-61-0x0000000074111000-0x0000000074113000-memory.dmp

    Filesize

    8KB

  • memory/1592-63-0x00000000000D0000-0x00000000000F1000-memory.dmp

    Filesize

    132KB

  • memory/1592-59-0x0000000000000000-mapping.dmp

  • memory/2044-54-0x0000000000000000-mapping.dmp

  • memory/2044-58-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/2044-57-0x0000000074370000-0x000000007445A000-memory.dmp

    Filesize

    936KB

  • memory/2044-56-0x0000000074370000-0x0000000074391000-memory.dmp

    Filesize

    132KB

  • memory/2044-55-0x0000000075871000-0x0000000075873000-memory.dmp

    Filesize

    8KB