Resubmissions

14/02/2025, 03:19

250214-dt85hazpgj 8

15/07/2024, 12:22

240715-pj7dpszhrl 8

14/07/2024, 17:11

240714-vqpp5asckh 8

14/07/2024, 17:07

240714-vmz2pasbjb 10

14/07/2024, 16:55

240714-ve3gvaygnq 8

01/05/2024, 09:05

240501-k2a11abe8v 10

24/03/2023, 19:33

230324-x9t53aba7y 10

Analysis

  • max time kernel
    93s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2025, 03:19

General

  • Target

    Replace.exe

  • Size

    34.8MB

  • MD5

    fd5cd14325c51ecab6a57d1d665f8852

  • SHA1

    ea16aa0f197210437733c63a42a8f1dd6442d753

  • SHA256

    d433cd0ba6b6850a9f616b3b89754a005699547d4e04fadb75cade770156cfd1

  • SHA512

    9a2e4c8baa01fbafe6968905daeb8d3b7eb62c09d1d7584e973ad1c23d964093e161a51a7390dfaa598d2657f45ca17bf00b5055aeaf0441f875ddb364741d71

  • SSDEEP

    786432:i9hj60qHOBbQcVM3sct6C2ubdsUeGXV4yQnb+LQgRkrm12PYfrB:i9kH+o5sG2ysbhrmka

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 55 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Replace.exe
    "C:\Users\Admin\AppData\Local\Temp\Replace.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 "C:\Users\Admin\AppData\Local\Temp\wsc780E.tmp",Start verpostfix=bt
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1836
    • C:\Users\Admin\AppData\Local\Temp\7zS49BE7F67\run.exe
      .\run.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1072
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTgyMDk1MTc5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:3620
  • 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 use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1188
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefaultc742b29eh91b4h49f0ha5c0h7839496b0850
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3476
    • 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=0x120,0x124,0x128,0xfc,0x12c,0x7ff94ebb46f8,0x7ff94ebb4708,0x7ff94ebb4718
      2⤵
        PID:4280
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1428,5574325215235682494,15917700911847559905,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2200 /prefetch:2
        2⤵
          PID:1408
        • 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=1428,5574325215235682494,15917700911847559905,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2280 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1188
        • 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=1428,5574325215235682494,15917700911847559905,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2868 /prefetch:8
          2⤵
            PID:736
        • C:\Windows\System32\CompPkgSrv.exe
          C:\Windows\System32\CompPkgSrv.exe -Embedding
          1⤵
            PID:3232
          • C:\Windows\System32\CompPkgSrv.exe
            C:\Windows\System32\CompPkgSrv.exe -Embedding
            1⤵
              PID:2672

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              152B

              MD5

              c1e280cf422534c1043e1aafe76fd2a4

              SHA1

              e9ef1c4c4d7ede09e9887f41776a5350dc8fcd48

              SHA256

              e4b0b0e8d8b8c5c687a7706a9fa65abee299f38b34a655cafc144f61acc68053

              SHA512

              54a3787e15b5bdf5267997febbadaeb0f30402dd56f2b766f94203026e13d0f391a991f580edf97d65e614339ce5a1cc52bd2744a43a96741681567358f9a138

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

              Filesize

              6KB

              MD5

              0d90d284a4437aaf800507d8212e4432

              SHA1

              1b46b63151779dd29f4ad695fc24d8a6439ec929

              SHA256

              9b182eabfa71ecb125706afec1cfc33c515a3e000b1165b0d49bd6f29b103070

              SHA512

              b649e6591abc18ea453fbd779bf20603cc1e2fb975593ad76b2a5b074b01a6be372740611f0afa4f9311df62330b1fa1d053f93b7b23fb2b8c7efb88de00cccc

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

              Filesize

              8KB

              MD5

              ae1ea4010ed56ab5c34b9024f57b10cc

              SHA1

              877f9b66343a4a116768c0fd4a03b6c9ed29b279

              SHA256

              278e4265811f028a42d8fc4c7457be655d1c56f863fac18611d8cb1ca81e3174

              SHA512

              6d41e882b401160f674aa98c4a1d4f920f2bf6c4abb72d913483aa0149316cafd361fd887e50f950e6e7f6ca54cbd5a106eb459d33e250f0c01fccb7bfaa5847

            • C:\Users\Admin\AppData\Local\Temp\7zS49BE7F67\run.exe

              Filesize

              34.8MB

              MD5

              d77c3ef3efa7e38ef91137466eee801b

              SHA1

              0b6ce4b03f43c2a7290f95bfbbe9107298efeaef

              SHA256

              91c2295f354b0616aa6481708248f6ce35dbe9292901464fc6bf3a22522ccb2f

              SHA512

              7c0171509814f7e5f24b2a9d53a10ab282586ec56bcdedc2deb2ba1aa2b4d9edade6d6d753ca80fb65d147597bfd4ac9f30e330e88c695e72c913ff3ab224750

            • C:\Users\Admin\AppData\Local\Temp\wsc780E.tmp

              Filesize

              6KB

              MD5

              41e689a7859429d628c34a82bcbb1187

              SHA1

              f435c4225fc00b3ce4543b812731a65d3722bdc3

              SHA256

              252dd587c652e9939432bd8b5574590c4a8db64660bc753f5490a472703f5c3a

              SHA512

              6a8f76f4d2eeb78df1c48f43c8d31f4510f2ba8da71fbb93d88627eba5f4cc74eb9aa12b7688d7fb62ed938fe2ac15bd2c060d6ad90e5b2c61114f74fcecec85

            • memory/1188-15-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-23-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-20-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-22-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-21-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-19-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-25-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-24-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-14-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB

            • memory/1188-13-0x000001A3876D0000-0x000001A3876D1000-memory.dmp

              Filesize

              4KB