Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2023, 12:54

General

  • Target

    myufn.dll

  • Size

    812KB

  • MD5

    ab774bc383c2873262b3d0e7053dc464

  • SHA1

    887c14c6ea122c04bc821a727fc3c439c7b1846d

  • SHA256

    c5701af10df111f738ed461f5b071c4165ad6e26446a21daea8accb769b55f26

  • SHA512

    f5be764506ef200507e42e78bb866f3365db256fddd00bc1dcca24f663b391309561a423d8f394da6388248f952cc0fb64907f802d81040e53e4bda8d1801d8e

  • SSDEEP

    24576:sikjPg+4QceLhb6fMYaq4RPaOFmyjAjX:Bk0YBq6fjqX

Malware Config

Extracted

Family

qakbot

Version

404.432

Botnet

BB12

Campaign

1675161160

C2

114.143.176.234:443

88.126.94.4:50000

103.252.7.228:443

87.10.205.117:443

82.15.58.109:2222

72.80.7.6:995

90.162.45.154:2222

47.34.30.133:443

50.68.204.71:993

112.141.184.246:995

73.165.119.20:443

91.169.12.198:32100

173.18.126.3:443

87.56.238.53:443

85.241.180.94:443

12.172.173.82:50001

92.154.17.149:2222

103.42.86.246:995

12.172.173.82:990

91.254.132.23:443

Attributes
  • salt

    SoNuce]ugdiB3c[doMuce2s81*uXmcvP

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\myufn.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\myufn.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 624
        3⤵
        • Program crash
        PID:4960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2584 -ip 2584
    1⤵
      PID:4972
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3560
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument microsoft-edge:?launchContext1=Microsoft.Windows.Cortana_cw5n1h2txyewy&url=https%3A%2F%2Fwww.bing.com%2Fsearch%3Fq%3Dmyufn%26form%3DWNSGPH%26qs%3DSW%26cvid%3D3c89bcd9ba264ed4ba31968d9a7c8a46%26pq%3Dmyufn%26cc%3DUS%26setlang%3Den-US%26nclid%3D9C0DA10A27A69B5F4DC9FC093B60234D%26ts%3D1675432578104%26nclidts%3D1675432578%26tsms%3D104
        1⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffdf15d46f8,0x7ffdf15d4708,0x7ffdf15d4718
          2⤵
            PID:1064
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2236 /prefetch:2
            2⤵
              PID:3144
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2308 /prefetch:3
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2632
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2812 /prefetch:8
              2⤵
                PID:1208
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3796 /prefetch:1
                2⤵
                  PID:100
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3804 /prefetch:1
                  2⤵
                    PID:5032
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3548 /prefetch:8
                    2⤵
                      PID:4848
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5392 /prefetch:1
                      2⤵
                        PID:3036
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5476 /prefetch:1
                        2⤵
                          PID:3308
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3716 /prefetch:1
                          2⤵
                            PID:5276
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3688 /prefetch:8
                            2⤵
                              PID:5292
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4332 /prefetch:1
                              2⤵
                                PID:5464
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5756 /prefetch:8
                                2⤵
                                  PID:5552
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5840 /prefetch:1
                                  2⤵
                                    PID:5616
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5884 /prefetch:1
                                    2⤵
                                      PID:5632
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5644 /prefetch:8
                                      2⤵
                                        PID:5776
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                                        2⤵
                                        • Drops file in Program Files directory
                                        PID:5824
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x23c,0x240,0x244,0x218,0x248,0x7ff678205460,0x7ff678205470,0x7ff678205480
                                          3⤵
                                            PID:5872
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2184,11360349330415230897,12137279347078103570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5644 /prefetch:8
                                          2⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:5956
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:4004
                                        • C:\Windows\system32\cmd.exe
                                          "C:\Windows\system32\cmd.exe"
                                          1⤵
                                            PID:3508
                                          • C:\Windows\system32\AUDIODG.EXE
                                            C:\Windows\system32\AUDIODG.EXE 0x374 0x320
                                            1⤵
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:5348

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/2584-135-0x0000000002F50000-0x0000000002F73000-memory.dmp

                                            Filesize

                                            140KB

                                          • memory/2584-134-0x0000000002EE0000-0x0000000002F12000-memory.dmp

                                            Filesize

                                            200KB

                                          • memory/2584-133-0x0000000002F50000-0x0000000002F73000-memory.dmp

                                            Filesize

                                            140KB