Analysis

  • max time kernel
    150s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2023 08:02

General

  • Target

    modest-menu_v0.9.10/modest-menu.exe

  • Size

    14.3MB

  • MD5

    f0851119cec15d35a8f206f1ba446f86

  • SHA1

    5ff263672af7e81a344846b3bce1ff4e59f8b6cd

  • SHA256

    19a82f12d86829e768d226c0ec5e20a664f349d1bbabd3aaeade3ff3d7237282

  • SHA512

    2ccbe9d55b59bc22ce615f23a09baa66d15e88f7c44e8f5561c54b410d02cb309d40865fd22694470fc9cfbda69ad12fb699427778347e49db63d60a341cf5ea

  • SSDEEP

    393216:rO4LKZjqtG+kh/JUwReHLsLjbeeE8KohlBM2Dd1rzO:rrKZjLhDUHimEJhD

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\modest-menu_v0.9.10\modest-menu.exe
    "C:\Users\Admin\AppData\Local\Temp\modest-menu_v0.9.10\modest-menu.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3268
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4124
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k SDRSVC
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:224
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" "https://www.bing.com/search?q=wjmc8h.exe wjmc8h.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3532
    • 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,0x120,0x124,0xf8,0x128,0x7ff9f3b346f8,0x7ff9f3b34708,0x7ff9f3b34718
      2⤵
        PID:4620
      • 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=2160,4977133901673207691,5455532475658407933,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2256 /prefetch:3
        2⤵
          PID:3068
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2160,4977133901673207691,5455532475658407933,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
          2⤵
            PID:4636
          • 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=2160,4977133901673207691,5455532475658407933,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2776 /prefetch:8
            2⤵
              PID:5112
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2160,4977133901673207691,5455532475658407933,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3448 /prefetch:1
              2⤵
                PID:628
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2160,4977133901673207691,5455532475658407933,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3432 /prefetch:1
                2⤵
                  PID:1128
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2160,4977133901673207691,5455532475658407933,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4976 /prefetch:1
                  2⤵
                    PID:4356
                • C:\Windows\System32\CompPkgSrv.exe
                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                  1⤵
                    PID:5020
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:4044

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                      Filesize

                      152B

                      MD5

                      184c5c7572a6b42b329aae4e94e9b801

                      SHA1

                      adc61339fa23296b5271ac2b7e0de1d7390c4e12

                      SHA256

                      ce44f115c3b1677a95d69195266225da59f4dd8cd9d57fd713df35b91cc564b1

                      SHA512

                      692f524f7b95da9ef6e247772dc5e949fa3aa34a61675fa5c59698583c1708f0aecf454a06f8deb8bdd7690fce5bc9c76bd2a544ea6354fda15a924480eee820

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                      Filesize

                      5KB

                      MD5

                      f132effa02ee97594b38968825d5612a

                      SHA1

                      d9ea91f8b5ed9c19bb10b6a3df55668a27f92b5e

                      SHA256

                      c851b798af2dc8aedc2ed45dab653888cf545422e88228213ecde21d0611b13f

                      SHA512

                      45084fb218637dd498174eec9821548202be63c4b49929897ec82fb2418a2705dd5ed8d7d0a15d8d8bcefc39abf2b7c7162f5c45cdf4fff34e5737c9c93de1f0

                    • \??\pipe\LOCAL\crashpad_3532_VUWQQFITBJWSIZIX

                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • memory/3268-6-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-4-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-5-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-3-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-7-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-8-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-9-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-11-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-12-0x00007FFA10A90000-0x00007FFA10C85000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/3268-0-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-2-0x00007FF7E81C0000-0x00007FF7EA5EF000-memory.dmp

                      Filesize

                      36.2MB

                    • memory/3268-1-0x00007FFA10A90000-0x00007FFA10C85000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/4124-15-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-25-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-24-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-23-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-22-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-21-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-19-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-26-0x000001A6380C0000-0x000001A6380D0000-memory.dmp

                      Filesize

                      64KB

                    • memory/4124-32-0x000001A638120000-0x000001A638130000-memory.dmp

                      Filesize

                      64KB

                    • memory/4124-20-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-13-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4124-14-0x000001A6387D0000-0x000001A6387D1000-memory.dmp

                      Filesize

                      4KB