Resubmissions

15-07-2022 09:28

220715-lfnkmsace9 10

14-07-2022 22:59

220714-2yhp4seff5 10

Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-07-2022 09:28

General

  • Target

    7533.dll

  • Size

    663KB

  • MD5

    a8c071f4d69627f581fa15495218bff7

  • SHA1

    25beb06d731192ea20bc7eb0c81ae952f2a0bd33

  • SHA256

    c992296a35528b12b39052e8dedc74d42c6d96e5e63c0ac0ad9a5545ce4e8d7e

  • SHA512

    6c033032c3d1747f1afd20e584f6e507bce655b86f096d05805b200c005e64dac76a9fcd4b4151c5cb332092272e95e9a1b6273ca86a537b8ae798fdde735f18

Malware Config

Extracted

Family

qakbot

Version

403.780

Botnet

obama201

Campaign

1657815129

C2

70.46.220.114:443

179.111.8.52:32101

208.107.221.224:443

176.45.218.138:995

24.158.23.166:995

24.54.48.11:443

89.101.97.139:443

24.55.67.176:443

24.139.72.117:443

120.150.218.241:995

174.69.215.101:443

38.70.253.226:2222

41.228.22.180:443

217.165.157.202:995

172.115.177.204:2222

173.21.10.71:2222

69.14.172.24:443

47.23.89.60:993

104.34.212.7:32103

66.230.104.103:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Drops file in System32 directory 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7533.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7533.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:852
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1240
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 11:31 /tn mjsbnmrl /ET 11:42 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwANwA1ADMAMwAuAGQAbABsACIA" /SC ONCE
          4⤵
          • Creates scheduled task(s)
          PID:2016
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F9B4F8D5-C256-48E3-8EA4-7C114EB7AB95} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwANwA1ADMAMwAuAGQAbABsACIA
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\system32\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\7533.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1536
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Users\Admin\AppData\Local\Temp\7533.dll
          4⤵
            PID:1816

    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\7533.dll
      Filesize

      663KB

      MD5

      a8c071f4d69627f581fa15495218bff7

      SHA1

      25beb06d731192ea20bc7eb0c81ae952f2a0bd33

      SHA256

      c992296a35528b12b39052e8dedc74d42c6d96e5e63c0ac0ad9a5545ce4e8d7e

      SHA512

      6c033032c3d1747f1afd20e584f6e507bce655b86f096d05805b200c005e64dac76a9fcd4b4151c5cb332092272e95e9a1b6273ca86a537b8ae798fdde735f18

    • memory/852-65-0x0000000000650000-0x0000000000672000-memory.dmp
      Filesize

      136KB

    • memory/852-55-0x0000000075941000-0x0000000075943000-memory.dmp
      Filesize

      8KB

    • memory/852-56-0x0000000000790000-0x000000000083C000-memory.dmp
      Filesize

      688KB

    • memory/852-57-0x0000000000650000-0x0000000000672000-memory.dmp
      Filesize

      136KB

    • memory/852-58-0x0000000000650000-0x0000000000672000-memory.dmp
      Filesize

      136KB

    • memory/852-59-0x0000000000650000-0x0000000000672000-memory.dmp
      Filesize

      136KB

    • memory/852-60-0x00000000001F0000-0x0000000000219000-memory.dmp
      Filesize

      164KB

    • memory/852-61-0x0000000000650000-0x0000000000672000-memory.dmp
      Filesize

      136KB

    • memory/852-54-0x0000000000000000-mapping.dmp
    • memory/1240-62-0x0000000000000000-mapping.dmp
    • memory/1240-66-0x0000000000080000-0x00000000000A2000-memory.dmp
      Filesize

      136KB

    • memory/1240-68-0x0000000000080000-0x00000000000A2000-memory.dmp
      Filesize

      136KB

    • memory/1240-64-0x00000000745C1000-0x00000000745C3000-memory.dmp
      Filesize

      8KB

    • memory/1536-75-0x0000000000000000-mapping.dmp
    • memory/1816-80-0x0000000000000000-mapping.dmp
    • memory/1860-72-0x000007FEF34F0000-0x000007FEF404D000-memory.dmp
      Filesize

      11.4MB

    • memory/1860-73-0x0000000001184000-0x0000000001187000-memory.dmp
      Filesize

      12KB

    • memory/1860-71-0x000007FEF4050000-0x000007FEF4A73000-memory.dmp
      Filesize

      10.1MB

    • memory/1860-74-0x000000000118B000-0x00000000011AA000-memory.dmp
      Filesize

      124KB

    • memory/1860-70-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp
      Filesize

      8KB

    • memory/1860-76-0x0000000001184000-0x0000000001187000-memory.dmp
      Filesize

      12KB

    • memory/1860-77-0x000000000118B000-0x00000000011AA000-memory.dmp
      Filesize

      124KB

    • memory/1860-69-0x0000000000000000-mapping.dmp
    • memory/2016-67-0x0000000000000000-mapping.dmp