Resubmissions

01-11-2021 12:31

211101-pp5r3ahha4 10

31-10-2021 09:03

211031-k1bwxacfaq 10

14-10-2021 01:44

211014-b6aflafeg4 10

Analysis

  • max time kernel
    605s
  • max time network
    617s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    01-11-2021 12:31

General

  • Target

    06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll

  • Size

    676KB

  • MD5

    dd119e4cab8169c27e5bb65f306ed792

  • SHA1

    a93b6b76b8427caa20f2c041fbf50ba27d2b6aac

  • SHA256

    06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2

  • SHA512

    74f86cab700fe211152ce8b74166156c4feebc71c9f5907fafafca531b2f47af7e9d4d52409411e488e6dd4109e4823b915ff7129d7b2f9a416dde765a3a18cb

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633597626

C2

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

86.8.177.143:443

216.201.162.158:443

174.54.193.186:443

103.148.120.144:443

188.50.169.158:443

124.123.42.115:2222

140.82.49.12:443

199.27.127.129:443

81.241.252.59:2078

209.142.97.161:995

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

103.142.10.177:443

2.222.167.138:443

41.228.22.180:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 8 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4844
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn indljei /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\06d55f75d7c76d6924c0b8439fa3cda28b89284204a6db982e4baf3a37fb35d2.dll\"" /SC ONCE /Z /ST 07:54 /ET 08:06
          4⤵
          • Creates scheduled task(s)
          PID:3692
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 9fd7d31006759699601951749cec7079 T+Ns3F9DZUeXtdCLe6ovAA.0.1.0.3.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:860
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1476
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      2⤵
        PID:2544
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2032
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 9fd7d31006759699601951749cec7079 T+Ns3F9DZUeXtdCLe6ovAA.0.1.0.3.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:2744
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 9fd7d31006759699601951749cec7079 T+Ns3F9DZUeXtdCLe6ovAA.0.1.0.3.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:3112

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1476-147-0x00000205E4F60000-0x00000205E4F70000-memory.dmp
      Filesize

      64KB

    • memory/1476-148-0x00000205E5520000-0x00000205E5530000-memory.dmp
      Filesize

      64KB

    • memory/1476-149-0x00000205E7C00000-0x00000205E7C04000-memory.dmp
      Filesize

      16KB

    • memory/2544-150-0x0000000000000000-mapping.dmp
    • memory/3692-156-0x0000000000000000-mapping.dmp
    • memory/3708-152-0x0000000074FA0000-0x0000000074FC1000-memory.dmp
      Filesize

      132KB

    • memory/3708-146-0x0000000000000000-mapping.dmp
    • memory/3708-153-0x0000000074FA0000-0x00000000750E0000-memory.dmp
      Filesize

      1.2MB

    • memory/3708-154-0x0000000002940000-0x0000000002941000-memory.dmp
      Filesize

      4KB

    • memory/3708-151-0x0000000074FA0000-0x00000000750E0000-memory.dmp
      Filesize

      1.2MB

    • memory/4844-155-0x0000000000000000-mapping.dmp
    • memory/4844-157-0x00000000035D0000-0x00000000035D1000-memory.dmp
      Filesize

      4KB

    • memory/4844-158-0x00000000035D0000-0x00000000035D1000-memory.dmp
      Filesize

      4KB

    • memory/4844-159-0x0000000003060000-0x0000000003081000-memory.dmp
      Filesize

      132KB