Analysis

  • max time kernel
    149s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    15-07-2022 14:21

General

  • Target

    7533.dll

  • Size

    663KB

  • MD5

    96eb0292ad176c905613678a3125cca5

  • SHA1

    99b8f05e6a3125a2609166659178f3eda05978eb

  • SHA256

    ff155b7792c2adac10cc1e54738077b997f269be68cf25f322b115bdb8cb5e7a

  • SHA512

    73a826a4432957eb06eafb7dd7f74070cd731796d709b61fecb9bf417aa4c6471cec34a141bf2ce017c7ee1c8d6a00296b306536745c1468b7fdb5e5103891f5

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.

  • Loads dropped DLL 1 IoCs
  • 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:1364
    • 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:1300
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 16:23 /tn nqfhcejn /ET 16:34 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwANwA1ADMAMwAuAGQAbABsACIA" /SC ONCE
          4⤵
          • Creates scheduled task(s)
          PID:1628
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2F68A0F0-F3E4-41C5-A85E-6576CC698DF2} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1556
    • 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:820
      • C:\Windows\system32\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\7533.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Users\Admin\AppData\Local\Temp\7533.dll
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:1508

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

    96eb0292ad176c905613678a3125cca5

    SHA1

    99b8f05e6a3125a2609166659178f3eda05978eb

    SHA256

    ff155b7792c2adac10cc1e54738077b997f269be68cf25f322b115bdb8cb5e7a

    SHA512

    73a826a4432957eb06eafb7dd7f74070cd731796d709b61fecb9bf417aa4c6471cec34a141bf2ce017c7ee1c8d6a00296b306536745c1468b7fdb5e5103891f5

  • \Users\Admin\AppData\Local\Temp\7533.dll
    Filesize

    663KB

    MD5

    96eb0292ad176c905613678a3125cca5

    SHA1

    99b8f05e6a3125a2609166659178f3eda05978eb

    SHA256

    ff155b7792c2adac10cc1e54738077b997f269be68cf25f322b115bdb8cb5e7a

    SHA512

    73a826a4432957eb06eafb7dd7f74070cd731796d709b61fecb9bf417aa4c6471cec34a141bf2ce017c7ee1c8d6a00296b306536745c1468b7fdb5e5103891f5

  • memory/820-70-0x000007FEF3420000-0x000007FEF3E43000-memory.dmp
    Filesize

    10.1MB

  • memory/820-69-0x000007FEFB7A1000-0x000007FEFB7A3000-memory.dmp
    Filesize

    8KB

  • memory/820-68-0x0000000000000000-mapping.dmp
  • memory/820-71-0x000007FEF28C0000-0x000007FEF341D000-memory.dmp
    Filesize

    11.4MB

  • memory/820-72-0x00000000008E0000-0x0000000000960000-memory.dmp
    Filesize

    512KB

  • memory/820-73-0x00000000008E0000-0x0000000000960000-memory.dmp
    Filesize

    512KB

  • memory/1300-57-0x0000000000290000-0x00000000002B2000-memory.dmp
    Filesize

    136KB

  • memory/1300-64-0x0000000000290000-0x00000000002B2000-memory.dmp
    Filesize

    136KB

  • memory/1300-54-0x0000000000000000-mapping.dmp
  • memory/1300-60-0x0000000000290000-0x00000000002B2000-memory.dmp
    Filesize

    136KB

  • memory/1300-59-0x0000000000220000-0x0000000000249000-memory.dmp
    Filesize

    164KB

  • memory/1300-58-0x0000000000290000-0x00000000002B2000-memory.dmp
    Filesize

    136KB

  • memory/1300-56-0x0000000000290000-0x00000000002B2000-memory.dmp
    Filesize

    136KB

  • memory/1300-55-0x0000000075681000-0x0000000075683000-memory.dmp
    Filesize

    8KB

  • memory/1508-77-0x0000000000000000-mapping.dmp
  • memory/1508-80-0x0000000000B30000-0x0000000000BDC000-memory.dmp
    Filesize

    688KB

  • memory/1508-81-0x00000000003E0000-0x0000000000402000-memory.dmp
    Filesize

    136KB

  • memory/1508-82-0x00000000003E0000-0x0000000000402000-memory.dmp
    Filesize

    136KB

  • memory/1508-83-0x00000000003E0000-0x0000000000402000-memory.dmp
    Filesize

    136KB

  • memory/1508-84-0x00000000003B0000-0x00000000003D9000-memory.dmp
    Filesize

    164KB

  • memory/1508-85-0x00000000003E0000-0x0000000000402000-memory.dmp
    Filesize

    136KB

  • memory/1628-66-0x0000000000000000-mapping.dmp
  • memory/1668-67-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1668-65-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1668-63-0x00000000742C1000-0x00000000742C3000-memory.dmp
    Filesize

    8KB

  • memory/1668-61-0x0000000000000000-mapping.dmp
  • memory/1720-74-0x0000000000000000-mapping.dmp