Analysis

  • max time kernel
    51s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 06:12

General

  • Target

    Vbucks-gen.exe

  • Size

    229KB

  • MD5

    6b8f6f416051d2947c802eeb3710077b

  • SHA1

    02f986ff007d5867d1d638f72c61e7231c0374d2

  • SHA256

    05026b12b16aa7ffb8aa35c47e1d967b17459eb313f443dfaffd528842df5ba2

  • SHA512

    0ea970a737ca8d49af5d1008eb254027d939aea1d98af5b8bdae2b092279c2420b1c52f49becda0f23f955e02fbf33c4a78af74935cf94743f553bad6db64480

  • SSDEEP

    3072:y85g8Zl3CCzlgJQmzcAkWENrrlKVAvYkzQfQj7oIhGwubdjdhO9dRgeX77fizS:jpZlSIWpqnloO9oqgbLsAeX3az

Score
10/10

Malware Config

Extracted

Family

xworm

C2

192.168.0.197:9999

Mutex

7u0t4YhJyvkbGmU0

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 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.

  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 62 IoCs
  • Suspicious use of SendNotifyMessage 60 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Vbucks-gen.exe
    "C:\Users\Admin\AppData\Local\Temp\Vbucks-gen.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    PID:5116
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4884
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1692
      • 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xf8,0xfc,0x100,0x78,0x104,0x7ffc12d1cc40,0x7ffc12d1cc4c,0x7ffc12d1cc58
        2⤵
          PID:2104
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1948,i,15341010517147211563,4409056699683956554,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=1944 /prefetch:2
          2⤵
            PID:2088
          • 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 --no-appcompat-clear --field-trial-handle=2032,i,15341010517147211563,4409056699683956554,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2192 /prefetch:3
            2⤵
              PID:1916
            • 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=service --no-appcompat-clear --field-trial-handle=2280,i,15341010517147211563,4409056699683956554,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2316 /prefetch:8
              2⤵
                PID:3468
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3152,i,15341010517147211563,4409056699683956554,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3180 /prefetch:1
                2⤵
                  PID:3696
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3188,i,15341010517147211563,4409056699683956554,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3336 /prefetch:1
                  2⤵
                    PID:3904
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=3692,i,15341010517147211563,4409056699683956554,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3724 /prefetch:1
                    2⤵
                      PID:2436
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4772,i,15341010517147211563,4409056699683956554,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4784 /prefetch:8
                      2⤵
                        PID:4296
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
                      1⤵
                        PID:2336
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:3024
                        • 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:3992

                        Network

                        MITRE ATT&CK Matrix ATT&CK v13

                        Discovery

                        Query Registry

                        3
                        T1012

                        Peripheral Device Discovery

                        1
                        T1120

                        System Information Discovery

                        3
                        T1082

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

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

                          649B

                          MD5

                          5580afc001648f5c12f1003919f75812

                          SHA1

                          9db600114e7d29814c64b5589d82bde9a8b76ca9

                          SHA256

                          376d9675b5ac99e37970ef1e48e3a05a69b6928319208a167e26d86c64a91eee

                          SHA512

                          a600b9d11ac5610f70101bd5a5fe7f4dc1400edfd47a917664d523130466cb885640aa8947dbe69f4f6b737f8688343d7e440a521142d0ef376138eef1a0c4f6

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                          8KB

                          MD5

                          6e83c59671a6f876d94aaac0fb2246c6

                          SHA1

                          000ee513ddaf7082d59fcb139bfccf4d215c1111

                          SHA256

                          b5cf94f651158a72b7cb741cd0132578c7965a6fb3d5085f55a2e0ffd6102810

                          SHA512

                          74ffe113effa7027c6cb74a8146a3f51d20477d4a69fba141e74b3ca2e20c9da1c550f00a9bd2bcd7bd3029187fdd369ff09d0f433c2e23863b497b829a84810

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

                          8KB

                          MD5

                          0cd305c8487e8171604742a374bb7924

                          SHA1

                          e3b7fc4ba83a560980840741ed6f6e7bdb1f1f95

                          SHA256

                          3164b8aa479575e95c1985dfda04edd0c0d800fe09a14aacac539027991c7588

                          SHA512

                          9d251fe646be136f9ba01cbcfdcebdbb163cc890a70450b99b7dff035eb4a76240fff3b5f500c909704e673944b38fd7f6e02eb3750e0d141dea6ee5174f0f49

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

                          77KB

                          MD5

                          d7910d7c8e886c64f8c49986716c88b5

                          SHA1

                          f1b4b47b5555891be2e805aa7ddfd5b873064cdb

                          SHA256

                          4d5850b8bae91421d0be244e8c188d79192ab30e66c1996a73dbb42e666e55e3

                          SHA512

                          4ac9a24afa5a01064ac2bc96d5d49ad908dd06a108bf32564d70be88756507f850d48d5537e4978469cbd665d2c265ce0293ab88add1bc191a87e56a5b8f6792

                        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Vbucks-gen.exe
                          Filesize

                          229KB

                          MD5

                          6b8f6f416051d2947c802eeb3710077b

                          SHA1

                          02f986ff007d5867d1d638f72c61e7231c0374d2

                          SHA256

                          05026b12b16aa7ffb8aa35c47e1d967b17459eb313f443dfaffd528842df5ba2

                          SHA512

                          0ea970a737ca8d49af5d1008eb254027d939aea1d98af5b8bdae2b092279c2420b1c52f49becda0f23f955e02fbf33c4a78af74935cf94743f553bad6db64480

                        • \??\pipe\crashpad_1692_CVGTNPRZMYODYPGP
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/3992-50-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-59-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-54-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-55-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-49-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-48-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-60-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-56-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-58-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/3992-57-0x00000260FC340000-0x00000260FC341000-memory.dmp
                          Filesize

                          4KB

                        • memory/5116-36-0x00007FFC1B380000-0x00007FFC1BE41000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/5116-0-0x0000000000E10000-0x0000000000E4E000-memory.dmp
                          Filesize

                          248KB

                        • memory/5116-47-0x000000001BB80000-0x000000001BB90000-memory.dmp
                          Filesize

                          64KB

                        • memory/5116-2-0x000000001BB80000-0x000000001BB90000-memory.dmp
                          Filesize

                          64KB

                        • memory/5116-1-0x00007FFC1B380000-0x00007FFC1BE41000-memory.dmp
                          Filesize

                          10.8MB