c71ac46fba2237c4a8f62a62ce687ce1

General
Target

c71ac46fba2237c4a8f62a62ce687ce1.dll

Filesize

890KB

Completed

21-10-2021 19:22

Score
10/10
MD5

c71ac46fba2237c4a8f62a62ce687ce1

SHA1

da6f18d68a8224d84491dd7ab175c8e6588c4575

SHA256

7e85568fd3f9ea14fc2a7f0f1a61499265b66001488413eaf2fd1ad86f97b05e

Malware Config

Extracted

Family qakbot
Version 402.363
Botnet biden54
Campaign 1634810637
C2

136.143.11.232:443

63.143.92.99:995

182.176.180.73:443

136.232.34.70:443

123.252.190.14:443

216.201.162.158:443

37.208.181.198:61200

140.82.49.12:443

197.89.144.102:443

89.137.52.44:443

109.12.111.14:443

78.191.24.189:995

105.198.236.99:995

196.207.140.40:995

41.235.69.115:443

2.222.167.138:443

117.198.156.56:443

24.231.209.2:6881

27.223.92.142:995

96.246.158.154:995

81.250.153.227:2222

120.150.218.241:995

76.25.142.196:443

89.101.97.139:443

81.213.59.22:443

173.21.10.71:2222

103.142.10.177:443

71.74.12.34:443

24.231.209.2:2222

75.188.35.168:443

209.210.95.228:995

73.151.236.31:443

220.255.25.187:2222

187.156.134.254:443

189.175.219.53:80

108.4.67.252:443

209.210.95.228:993

67.165.206.193:993

173.25.162.221:443

100.1.119.41:443

93.48.58.123:2222

65.100.174.110:443

201.137.10.225:443

24.229.150.54:995

146.66.238.74:443

68.204.7.158:443

37.208.181.198:443

41.86.42.158:995

189.135.16.92:443

187.75.66.160:995

Attributes
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures 6

Filter: none

Persistence
  • Qakbot/Qbot

    Description

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL
    regsvr32.exe

    Reported IOCs

    pidprocess
    1500regsvr32.exe
  • Creates scheduled task(s)
    schtasks.exe

    Description

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    TTPs

    Scheduled Task

    Reported IOCs

    pidprocess
    1808schtasks.exe
  • Suspicious behavior: EnumeratesProcesses
    rundll32.exe

    Reported IOCs

    pidprocess
    1748rundll32.exe
  • Suspicious behavior: MapViewOfSection
    rundll32.exe

    Reported IOCs

    pidprocess
    1748rundll32.exe
  • Suspicious use of WriteProcessMemory
    rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 960 wrote to memory of 1748960rundll32.exerundll32.exe
    PID 960 wrote to memory of 1748960rundll32.exerundll32.exe
    PID 960 wrote to memory of 1748960rundll32.exerundll32.exe
    PID 960 wrote to memory of 1748960rundll32.exerundll32.exe
    PID 960 wrote to memory of 1748960rundll32.exerundll32.exe
    PID 960 wrote to memory of 1748960rundll32.exerundll32.exe
    PID 960 wrote to memory of 1748960rundll32.exerundll32.exe
    PID 1748 wrote to memory of 15601748rundll32.exeexplorer.exe
    PID 1748 wrote to memory of 15601748rundll32.exeexplorer.exe
    PID 1748 wrote to memory of 15601748rundll32.exeexplorer.exe
    PID 1748 wrote to memory of 15601748rundll32.exeexplorer.exe
    PID 1748 wrote to memory of 15601748rundll32.exeexplorer.exe
    PID 1748 wrote to memory of 15601748rundll32.exeexplorer.exe
    PID 1560 wrote to memory of 18081560explorer.exeschtasks.exe
    PID 1560 wrote to memory of 18081560explorer.exeschtasks.exe
    PID 1560 wrote to memory of 18081560explorer.exeschtasks.exe
    PID 1560 wrote to memory of 18081560explorer.exeschtasks.exe
    PID 1984 wrote to memory of 18721984taskeng.exeregsvr32.exe
    PID 1984 wrote to memory of 18721984taskeng.exeregsvr32.exe
    PID 1984 wrote to memory of 18721984taskeng.exeregsvr32.exe
    PID 1984 wrote to memory of 18721984taskeng.exeregsvr32.exe
    PID 1984 wrote to memory of 18721984taskeng.exeregsvr32.exe
    PID 1872 wrote to memory of 15001872regsvr32.exeregsvr32.exe
    PID 1872 wrote to memory of 15001872regsvr32.exeregsvr32.exe
    PID 1872 wrote to memory of 15001872regsvr32.exeregsvr32.exe
    PID 1872 wrote to memory of 15001872regsvr32.exeregsvr32.exe
    PID 1872 wrote to memory of 15001872regsvr32.exeregsvr32.exe
    PID 1872 wrote to memory of 15001872regsvr32.exeregsvr32.exe
    PID 1872 wrote to memory of 15001872regsvr32.exeregsvr32.exe
Processes 7
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll,#1
    Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll,#1
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        Suspicious use of WriteProcessMemory
        PID:1560
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vbjxdeb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll\"" /SC ONCE /Z /ST 19:18 /ET 19:30
          Creates scheduled task(s)
          PID:1808
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {63A3A7EE-4743-4EE1-90B3-9295C2818EB1} S-1-5-18:NT AUTHORITY\System:Service:
    Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll"
      Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll"
        Loads dropped DLL
        PID:1500
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
          Discovery
            Execution
              Exfiltration
                Impact
                  Initial Access
                    Lateral Movement
                      Persistence
                      Privilege Escalation
                        Replay Monitor
                        00:00 00:00
                        Downloads
                        • C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll

                          MD5

                          c71ac46fba2237c4a8f62a62ce687ce1

                          SHA1

                          da6f18d68a8224d84491dd7ab175c8e6588c4575

                          SHA256

                          7e85568fd3f9ea14fc2a7f0f1a61499265b66001488413eaf2fd1ad86f97b05e

                          SHA512

                          662c833fb3220010a0b9774e31c68a48d84c68cc3d011f2e64f8afd71bd98aac4fd7afaf5620e546ca8c1b9ede4aacb8c045d0efa18e8d94851ae30a39ae2e91

                        • \Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll

                          MD5

                          c71ac46fba2237c4a8f62a62ce687ce1

                          SHA1

                          da6f18d68a8224d84491dd7ab175c8e6588c4575

                          SHA256

                          7e85568fd3f9ea14fc2a7f0f1a61499265b66001488413eaf2fd1ad86f97b05e

                          SHA512

                          662c833fb3220010a0b9774e31c68a48d84c68cc3d011f2e64f8afd71bd98aac4fd7afaf5620e546ca8c1b9ede4aacb8c045d0efa18e8d94851ae30a39ae2e91

                        • memory/1500-69-0x0000000000000000-mapping.dmp

                        • memory/1560-60-0x00000000000F0000-0x00000000000F2000-memory.dmp

                        • memory/1560-65-0x0000000000080000-0x00000000000A1000-memory.dmp

                        • memory/1560-61-0x0000000000000000-mapping.dmp

                        • memory/1560-63-0x0000000074C01000-0x0000000074C03000-memory.dmp

                        • memory/1748-59-0x0000000000170000-0x0000000000171000-memory.dmp

                        • memory/1748-58-0x0000000075080000-0x0000000075173000-memory.dmp

                        • memory/1748-54-0x0000000000000000-mapping.dmp

                        • memory/1748-57-0x0000000075080000-0x00000000750A1000-memory.dmp

                        • memory/1748-56-0x0000000075080000-0x0000000075173000-memory.dmp

                        • memory/1748-55-0x0000000076961000-0x0000000076963000-memory.dmp

                        • memory/1808-64-0x0000000000000000-mapping.dmp

                        • memory/1872-66-0x0000000000000000-mapping.dmp

                        • memory/1872-67-0x000007FEFC271000-0x000007FEFC273000-memory.dmp