Resubmissions

26-05-2024 17:06

240526-vmg6wade6v 10

26-05-2024 12:49

240526-p2q5faeh27 10

26-05-2024 12:43

240526-pyanaadf3s 10

Analysis

  • max time kernel
    118s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 12:43

General

  • Target

    XClient.exe

  • Size

    32KB

  • MD5

    53d9b475ab5b6a31e7b89c28d49b2196

  • SHA1

    118000b987a127ae6065f9739b583038e0f1780b

  • SHA256

    5b64cc2c1a7d550a5fb1d344d373be0cf9a8a5041f5e7b33534a9aaee06a9073

  • SHA512

    302b7e312298445df0fbecd5d8fa54086eefa85b2b3ed238481a385a5fa2a148c11b681c1a5a57dd20e5602f2430185738ab5ac134f3d2d965760ff84ec7f949

  • SSDEEP

    768:+RPD9OQhx/BV3Tw4e1dVFE9jiOjhfbhO:+d9OW/V3U4epFE9jiOjJFO

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

0.tcp.eu.ngrok.io:10897

Mutex

QUjY5ulhX0UCX61h

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Deletes itself 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1488
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp5D0E.tmp.bat""
      2⤵
      • Deletes itself
      PID:1304
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2244
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef1999758,0x7fef1999768,0x7fef1999778
      2⤵
        PID:2568
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1140 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:2
        2⤵
          PID:2476
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1492 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:8
          2⤵
            PID:2496
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1588 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:8
            2⤵
              PID:2628
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2248 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:1
              2⤵
                PID:1420
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2256 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:1
                2⤵
                  PID:2524
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1448 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:2
                  2⤵
                    PID:2776
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3336 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:1
                    2⤵
                      PID:1112
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3452 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:8
                      2⤵
                        PID:836
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3560 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:8
                        2⤵
                          PID:828
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3568 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:8
                          2⤵
                            PID:952
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3748 --field-trial-handle=1256,i,6256524557159492725,7568659419103562039,131072 /prefetch:1
                            2⤵
                              PID:560
                          • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                            "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                            1⤵
                              PID:2700
                            • C:\Program Files\Internet Explorer\iexplore.exe
                              "C:\Program Files\Internet Explorer\iexplore.exe"
                              1⤵
                              • Modifies Internet Explorer settings
                              • Suspicious use of FindShellTrayWindow
                              • Suspicious use of SetWindowsHookEx
                              PID:2248
                              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2248 CREDAT:275457 /prefetch:2
                                2⤵
                                • Modifies Internet Explorer settings
                                • Suspicious use of SetWindowsHookEx
                                PID:2956
                            • C:\Windows\SysWOW64\DllHost.exe
                              C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
                              1⤵
                                PID:2664

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                                Filesize

                                16B

                                MD5

                                aefd77f47fb84fae5ea194496b44c67a

                                SHA1

                                dcfbb6a5b8d05662c4858664f81693bb7f803b82

                                SHA256

                                4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                                SHA512

                                b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                                Filesize

                                264KB

                                MD5

                                f50f89a0a91564d0b8a211f8921aa7de

                                SHA1

                                112403a17dd69d5b9018b8cede023cb3b54eab7d

                                SHA256

                                b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                SHA512

                                bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                Filesize

                                5KB

                                MD5

                                1edaa6cda928ca106189ddf0df708917

                                SHA1

                                cfecd082f6c753312f4d4bd4ba6c30f8a1f0549b

                                SHA256

                                384c623f272a810f66febb8a69c67bae3b11d2e3ec901cd1d3aae3c51ce8ed25

                                SHA512

                                9272fb120cf1b9375548ee1677ae14f3d48ac567698be21d1b9f6995e2e08847708baa160d67d4f9cfbbe67ca80debbc932d2932a1119d4f61efec008cd60b06

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                                Filesize

                                16B

                                MD5

                                18e723571b00fb1694a3bad6c78e4054

                                SHA1

                                afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                SHA256

                                8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                SHA512

                                43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                Filesize

                                282KB

                                MD5

                                aca98632d095c3db442f218788c32efb

                                SHA1

                                a4ec0522d296106534ae40584bc0ead5f5d421f4

                                SHA256

                                0b49e520f1e268275662d42b8e7f6487879e8fa5d2c87e19bf0652cd7c7e81b0

                                SHA512

                                39b3f772889e3ff301f593d1dad1cff29be077565d9319f3bd961cba7fa416f6eda8a2d201944d031d616c2a15848428721ba7136ea1769a4d838283f9d47f26

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\c7dd7694-6351-4a30-a747-1a9ac9aa9dcb.tmp

                                Filesize

                                282KB

                                MD5

                                794381b557330ae4115e8414fbed957a

                                SHA1

                                6a4a8f2a45484693f3b099bc392f49fe8d9feb7c

                                SHA256

                                8d666b557de6faf9ef9a39d01f321277fe99820ed764027e3dd2910162d41c4b

                                SHA512

                                cfdf6085e5aa8e80c48f1b2af762ab9e6edd34db33e6ed8bd69d4c78c65abe28486fd7b9d0defd5ec5992f6357cf960ffca57e6336d088f754a08633e9063657

                              • C:\Users\Admin\AppData\Local\Temp\tmp5D0E.tmp.bat

                                Filesize

                                159B

                                MD5

                                c22a7fa15b2291bed657da7d6efebfbb

                                SHA1

                                9db4d525af58dc88487500c0f55c1b08ed365439

                                SHA256

                                05fa1f81cb17042bcc259a0af613e515b9ff6d6f2caa71f72b1ecd68b4dea3bf

                                SHA512

                                75f5ba200cebadb01995107a6f5e4e6df1a91c871a1f918c3c7ac55c6c0a514beec2b5d47dff94c9d29a006c62b19a8587e1a33a8eb379d8745c082a98ebc249

                              • \??\pipe\crashpad_2592_CEDBSETAJCRXLQNQ

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                              • memory/1488-5-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

                                Filesize

                                4KB

                              • memory/1488-54-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

                                Filesize

                                9.9MB

                              • memory/1488-2-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

                                Filesize

                                9.9MB

                              • memory/1488-0-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

                                Filesize

                                4KB

                              • memory/1488-1-0x0000000001180000-0x000000000118E000-memory.dmp

                                Filesize

                                56KB

                              • memory/1488-195-0x00000000002C0000-0x00000000002CC000-memory.dmp

                                Filesize

                                48KB

                              • memory/1488-204-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

                                Filesize

                                9.9MB