Analysis

  • max time kernel
    151s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-06-2022 21:54

General

  • Target

    local.dll

  • Size

    843KB

  • MD5

    3fb78f4c9c7393ac16f242d32c554f54

  • SHA1

    e72c5ecaa6e5b7a0084accf1c18118a1851fc8ee

  • SHA256

    e8d0bfcbdfb86ee8c3a2e1db06ade10715e5fdc7acef1fca18e1021b335f9f78

  • SHA512

    d5cdd5b7b7277d56ffacc831ac78ca2684551f0c8b6b58debca688b13c50212facaa3c7a05518bc724180bb14ba4ebb00e910179f25205d4e5a80205d837826f

Malware Config

Extracted

Family

qakbot

Version

403.688

Botnet

obama187

Campaign

1654695312

C2

197.164.182.46:993

70.51.135.90:2222

187.251.132.144:22

37.186.54.254:995

80.11.74.81:2222

41.84.236.245:995

24.139.72.117:443

177.94.57.126:32101

37.34.253.233:443

186.90.153.162:2222

32.221.224.140:995

208.107.221.224:443

67.165.206.193:993

63.143.92.99:995

88.232.220.207:443

189.78.107.163:32101

74.14.5.179:2222

148.0.56.63:443

40.134.246.185:995

173.21.10.71:2222

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs 4 IoCs
  • 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.

  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\local.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\local.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1060
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lczhpackl /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\local.dll\"" /SC ONCE /Z /ST 00:03 /ET 00:15
          4⤵
          • Creates scheduled task(s)
          PID:1136
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {AA33897C-B966-466F-92B7-3CA6276D42B5} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\local.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\local.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:336
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1944
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Qprxa" /d "0"
            5⤵
            • Windows security bypass
            PID:2024
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Ryudqgufcdl" /d "0"
            5⤵
            • Windows security bypass
            PID:864

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

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

    843KB

    MD5

    3fb78f4c9c7393ac16f242d32c554f54

    SHA1

    e72c5ecaa6e5b7a0084accf1c18118a1851fc8ee

    SHA256

    e8d0bfcbdfb86ee8c3a2e1db06ade10715e5fdc7acef1fca18e1021b335f9f78

    SHA512

    d5cdd5b7b7277d56ffacc831ac78ca2684551f0c8b6b58debca688b13c50212facaa3c7a05518bc724180bb14ba4ebb00e910179f25205d4e5a80205d837826f

  • \Users\Admin\AppData\Local\Temp\local.dll
    Filesize

    843KB

    MD5

    3fb78f4c9c7393ac16f242d32c554f54

    SHA1

    e72c5ecaa6e5b7a0084accf1c18118a1851fc8ee

    SHA256

    e8d0bfcbdfb86ee8c3a2e1db06ade10715e5fdc7acef1fca18e1021b335f9f78

    SHA512

    d5cdd5b7b7277d56ffacc831ac78ca2684551f0c8b6b58debca688b13c50212facaa3c7a05518bc724180bb14ba4ebb00e910179f25205d4e5a80205d837826f

  • memory/336-84-0x0000000000B00000-0x0000000000B22000-memory.dmp
    Filesize

    136KB

  • memory/336-80-0x0000000000B00000-0x0000000000B22000-memory.dmp
    Filesize

    136KB

  • memory/336-79-0x0000000000AC0000-0x0000000000AF2000-memory.dmp
    Filesize

    200KB

  • memory/336-77-0x0000000000B00000-0x0000000000B22000-memory.dmp
    Filesize

    136KB

  • memory/336-78-0x0000000000B00000-0x0000000000B22000-memory.dmp
    Filesize

    136KB

  • memory/336-76-0x0000000000B00000-0x0000000000B22000-memory.dmp
    Filesize

    136KB

  • memory/336-72-0x0000000000000000-mapping.dmp
  • memory/336-75-0x0000000000760000-0x0000000000837000-memory.dmp
    Filesize

    860KB

  • memory/864-87-0x0000000000000000-mapping.dmp
  • memory/1060-62-0x0000000000000000-mapping.dmp
  • memory/1060-68-0x00000000000C0000-0x00000000000E2000-memory.dmp
    Filesize

    136KB

  • memory/1060-66-0x00000000000C0000-0x00000000000E2000-memory.dmp
    Filesize

    136KB

  • memory/1060-64-0x0000000074861000-0x0000000074863000-memory.dmp
    Filesize

    8KB

  • memory/1136-67-0x0000000000000000-mapping.dmp
  • memory/1448-69-0x0000000000000000-mapping.dmp
  • memory/1448-70-0x000007FEFBD41000-0x000007FEFBD43000-memory.dmp
    Filesize

    8KB

  • memory/1668-58-0x0000000000240000-0x0000000000262000-memory.dmp
    Filesize

    136KB

  • memory/1668-65-0x0000000000240000-0x0000000000262000-memory.dmp
    Filesize

    136KB

  • memory/1668-61-0x0000000000240000-0x0000000000262000-memory.dmp
    Filesize

    136KB

  • memory/1668-60-0x0000000000AE0000-0x0000000000B12000-memory.dmp
    Filesize

    200KB

  • memory/1668-59-0x0000000000240000-0x0000000000262000-memory.dmp
    Filesize

    136KB

  • memory/1668-54-0x0000000000000000-mapping.dmp
  • memory/1668-57-0x0000000000240000-0x0000000000262000-memory.dmp
    Filesize

    136KB

  • memory/1668-56-0x00000000002B0000-0x0000000000387000-memory.dmp
    Filesize

    860KB

  • memory/1668-55-0x00000000764C1000-0x00000000764C3000-memory.dmp
    Filesize

    8KB

  • memory/1944-81-0x0000000000000000-mapping.dmp
  • memory/1944-86-0x00000000000C0000-0x00000000000E2000-memory.dmp
    Filesize

    136KB

  • memory/2024-85-0x0000000000000000-mapping.dmp