Analysis

  • max time kernel
    129s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 19:19

General

  • Target

    c71ac46fba2237c4a8f62a62ce687ce1.dll

  • Size

    890KB

  • MD5

    c71ac46fba2237c4a8f62a62ce687ce1

  • SHA1

    da6f18d68a8224d84491dd7ab175c8e6588c4575

  • SHA256

    7e85568fd3f9ea14fc2a7f0f1a61499265b66001488413eaf2fd1ad86f97b05e

  • SHA512

    662c833fb3220010a0b9774e31c68a48d84c68cc3d011f2e64f8afd71bd98aac4fd7afaf5620e546ca8c1b9ede4aacb8c045d0efa18e8d94851ae30a39ae2e91

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

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

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\c71ac46fba2237c4a8f62a62ce687ce1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • 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
          4⤵
          • 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:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\c71ac46fba2237c4a8f62a62ce687ce1.dll"
        3⤵
        • Loads dropped DLL
        PID:1500

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\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/1560-61-0x0000000000000000-mapping.dmp
  • memory/1560-65-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

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

    8KB

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

    8KB

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

    972KB

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

    4KB

  • memory/1748-54-0x0000000000000000-mapping.dmp
  • memory/1748-57-0x0000000075080000-0x00000000750A1000-memory.dmp
    Filesize

    132KB

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

    972KB

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

    8KB

  • memory/1808-64-0x0000000000000000-mapping.dmp
  • memory/1872-66-0x0000000000000000-mapping.dmp
  • memory/1872-67-0x000007FEFC271000-0x000007FEFC273000-memory.dmp
    Filesize

    8KB