Analysis

  • max time kernel
    135s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    07-10-2021 17:45

General

  • Target

    44476.6730537037.dat.dll

  • Size

    825KB

  • MD5

    9c79d024ca1aaa2fc623179164e2f241

  • SHA1

    af9fdab4ea6ac26994289dc9edadd86cb7f0aa2b

  • SHA256

    0a6cf7b738400024cf43520ef5c5e4300bceaab2d661fb23baeb6af3ecf8ba50

  • SHA512

    975fdfb8d9bc9329561b0697bebe4839ea5c61db8a6bc61a37be1f10fc5c17f40cdc6b257eef0eb92601067c9e0238e44db60eac33932c9f75f6e4d69df35500

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

obama111

Campaign

1633590450

C2

37.210.152.224:995

201.93.111.2:995

202.134.178.157:443

89.101.97.139:443

73.52.50.32:443

188.55.235.110:995

27.223.92.142:995

181.118.183.94:443

136.232.34.70:443

186.32.163.199:443

72.173.78.211:443

76.25.142.196:443

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

188.50.169.158:443

174.54.193.186:443

103.148.120.144:443

140.82.49.12:443

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\44476.6730537037.dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44476.6730537037.dat.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:576
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wfrvqsnrw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44476.6730537037.dat.dll\"" /SC ONCE /Z /ST 17:48 /ET 18:00
          4⤵
          • Creates scheduled task(s)
          PID:1636
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CAB25884-9BC2-4944-B9A4-4A7616BDA02E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44476.6730537037.dat.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\44476.6730537037.dat.dll"
        3⤵
        • Loads dropped DLL
        PID:1948

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\44476.6730537037.dat.dll
    MD5

    9c79d024ca1aaa2fc623179164e2f241

    SHA1

    af9fdab4ea6ac26994289dc9edadd86cb7f0aa2b

    SHA256

    0a6cf7b738400024cf43520ef5c5e4300bceaab2d661fb23baeb6af3ecf8ba50

    SHA512

    975fdfb8d9bc9329561b0697bebe4839ea5c61db8a6bc61a37be1f10fc5c17f40cdc6b257eef0eb92601067c9e0238e44db60eac33932c9f75f6e4d69df35500

  • \Users\Admin\AppData\Local\Temp\44476.6730537037.dat.dll
    MD5

    9c79d024ca1aaa2fc623179164e2f241

    SHA1

    af9fdab4ea6ac26994289dc9edadd86cb7f0aa2b

    SHA256

    0a6cf7b738400024cf43520ef5c5e4300bceaab2d661fb23baeb6af3ecf8ba50

    SHA512

    975fdfb8d9bc9329561b0697bebe4839ea5c61db8a6bc61a37be1f10fc5c17f40cdc6b257eef0eb92601067c9e0238e44db60eac33932c9f75f6e4d69df35500

  • memory/576-59-0x00000000000F0000-0x00000000000F2000-memory.dmp
    Filesize

    8KB

  • memory/576-64-0x00000000000C0000-0x00000000000E1000-memory.dmp
    Filesize

    132KB

  • memory/576-62-0x0000000074271000-0x0000000074273000-memory.dmp
    Filesize

    8KB

  • memory/576-60-0x0000000000000000-mapping.dmp
  • memory/1560-57-0x00000000743E0000-0x0000000074401000-memory.dmp
    Filesize

    132KB

  • memory/1560-58-0x00000000743E0000-0x0000000074550000-memory.dmp
    Filesize

    1.4MB

  • memory/1560-53-0x0000000000000000-mapping.dmp
  • memory/1560-56-0x0000000000160000-0x0000000000161000-memory.dmp
    Filesize

    4KB

  • memory/1560-55-0x00000000743E0000-0x0000000074550000-memory.dmp
    Filesize

    1.4MB

  • memory/1560-54-0x0000000074B41000-0x0000000074B43000-memory.dmp
    Filesize

    8KB

  • memory/1636-63-0x0000000000000000-mapping.dmp
  • memory/1816-65-0x0000000000000000-mapping.dmp
  • memory/1816-66-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmp
    Filesize

    8KB

  • memory/1948-68-0x0000000000000000-mapping.dmp