Resubmissions

12/04/2024, 15:32

240412-sys2eabf5910

21/02/2024, 03:49

240221-edjeksba2x10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2024, 15:32

General

  • Target
    9b95dc37744055c1d9cec9f4383ddb52bf0436a3ae88112b782211a02533fa88.exe
  • Size 1.0MB
  • Sample240412-sys2eabf59
  • SHA256 9b95dc37744055c1d9cec9f4383ddb52bf0436a3ae88112b782211a02533fa88
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • BunnyLoader

    BunnyLoader is a loader family written in C++.

  • Detect BunnyLoader 5 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\9b95dc37744055c1d9cec9f4383ddb52bf0436a3ae88112b782211a02533fa88.exe
        "C:\Users\Admin\AppData\Local\Temp\9b95dc37744055c1d9cec9f4383ddb52bf0436a3ae88112b782211a02533fa88.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4360
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Azerbaijan Azerbaijan.bat & Azerbaijan.bat & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3096
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4028
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
            4⤵
              PID:2296
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:4892
            • C:\Windows\SysWOW64\findstr.exe
              findstr /I "wrsa.exe opssvc.exe"
              4⤵
                PID:1796
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c md 1131
                4⤵
                  PID:696
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c copy /b Ap + Friend + County + Laws + Plant 1131\Memo.pif
                  4⤵
                    PID:928
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c copy /b Bring 1131\g
                    4⤵
                      PID:3812
                    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\1131\Memo.pif
                      1131\Memo.pif 1131\g
                      4⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      • Suspicious use of WriteProcessMemory
                      PID:2216
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c wmic /namespace:\\root\SecurityCenter2 path AntiVirusProduct get displayName /value
                        5⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1660
                        • C:\Windows\SysWOW64\Wbem\WMIC.exe
                          wmic /namespace:\\root\SecurityCenter2 path AntiVirusProduct get displayName /value
                          6⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:652
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 localhost
                      4⤵
                      • Runs ping.exe
                      PID:1740
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZenPulse.url" & echo URL="C:\Users\Admin\AppData\Local\MindWave Technologies LLC\ZenPulse.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZenPulse.url" & exit
                  2⤵
                  • Drops startup file
                  PID:2312
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c schtasks.exe /create /tn "Hotmail" /tr "wscript 'C:\Users\Admin\AppData\Local\MindWave Technologies LLC\ZenPulse.js'" /sc minute /mo 3 /F
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1672
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks.exe /create /tn "Hotmail" /tr "wscript 'C:\Users\Admin\AppData\Local\MindWave Technologies LLC\ZenPulse.js'" /sc minute /mo 3 /F
                    3⤵
                    • Creates scheduled task(s)
                    PID:1540
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3836,i,7064649017625232947,17746804975634116675,262144 --variations-seed-version --mojo-platform-channel-handle=3376 /prefetch:8
                1⤵
                  PID:4620
                • C:\Windows\system32\wscript.EXE
                  C:\Windows\system32\wscript.EXE "C:\Users\Admin\AppData\Local\MindWave Technologies LLC\ZenPulse.js"
                  1⤵
                  • Checks computer location settings
                  • Suspicious use of WriteProcessMemory
                  PID:1216
                  • C:\Users\Admin\AppData\Local\MindWave Technologies LLC\ZenPulse.pif
                    "C:\Users\Admin\AppData\Local\MindWave Technologies LLC\ZenPulse.pif" "C:\Users\Admin\AppData\Local\MindWave Technologies LLC\Y"
                    2⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    PID:5076

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      ZenPulse.js

                      • Path C:\Users\Admin\AppData\Local\MindWave Technologies LLC\ZenPulse.js
                      • Size 186B
                      • SHA256 585d69bad9df943444bc2b787af11a0d4641a6a9a50bc08d937eebad986498c3
                      • MD5 SHA1 SHA512

                      Memo.pif

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\1131\Memo.pif
                      • Size 924KB
                      • SHA256 f58d3a4b2f3f7f10815c24586fae91964eeed830369e7e0701b43895b0cefbd3
                      • MD5 SHA1 SHA512 SSDEEP

                      Ap

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Ap
                      • Size 259KB
                      • SHA256 61e6fb53b7c6b26fdfbee29d63bb36c8dd33ed7fb8ed97ca488d107fbc1ba3c3
                      • MD5 SHA1 SHA512 SSDEEP

                      Azerbaijan

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Azerbaijan
                      • Size 10KB
                      • SHA256 75978ba45715cad18f1dc9acc0eec4a1e6194cda6cfcb44daaeb851be665f52e
                      • MD5 SHA1 SHA512 SSDEEP

                      Bring

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Bring
                      • Size 878KB
                      • SHA256 cd82e9442c7643b70b267a68f2bbe271298e7474b8310cd50e4b6e586b7d9f44
                      • MD5 SHA1 SHA512 SSDEEP

                      County

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\County
                      • Size 206KB
                      • SHA256 70c40c9ca3ccfe1176875a073e911e8deb3e015b6ef2fd0051223a335dd76033
                      • MD5 SHA1 SHA512 SSDEEP

                      Friend

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Friend
                      • Size 156KB
                      • SHA256 f70978891348d7b742c8012d05be109c5d93e05207dd0ac4d16484e496973552
                      • MD5 SHA1 SHA512 SSDEEP

                      Laws

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Laws
                      • Size 284KB
                      • SHA256 c522ac485cfbdb75bb3f35bfe62263fb17cb64464e111d2e287b9084a85ff670
                      • MD5 SHA1 SHA512 SSDEEP

                      Plant

                      • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Plant
                      • Size 19KB
                      • SHA256 7d270a6900ef6385133b30e462bd157aa925543abaaf248cffe263fae0c33f4b
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/2216-27-0x0000000077401000-0x0000000077521000-memory.dmp

                      memory/2216-35-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-36-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-37-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-38-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-39-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-40-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-41-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-43-0x0000000004B40000-0x0000000004B9D000-memory.dmp

                      memory/2216-34-0x0000000001FA0000-0x0000000001FA1000-memory.dmp