Analysis

  • max time kernel
    1617s
  • max time network
    1775s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:52

General

  • Target

    http://oxy.st

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE ⋅ 1 IoCs
  • Drops file in Program Files directory ⋅ 7 IoCs
  • Enumerates system info in registry ⋅ 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses ⋅ 8 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 4 IoCs
  • Suspicious use of FindShellTrayWindow ⋅ 34 IoCs
  • Suspicious use of SendNotifyMessage ⋅ 32 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" http://oxy.st
    Enumerates system info in registry
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of FindShellTrayWindow
    Suspicious use of SendNotifyMessage
    Suspicious use of WriteProcessMemory
    PID:1516
    • 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=89.0.4389.114 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fefb004f50,0x7fefb004f60,0x7fefb004f70
      PID:696
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1036 /prefetch:2
      PID:1752
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1248 /prefetch:8
      Suspicious behavior: EnumeratesProcesses
      PID:1324
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1744 /prefetch:8
      PID:1028
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2032 /prefetch:1
      PID:660
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2012 /prefetch:1
      PID:1544
    • 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 --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2660 /prefetch:8
      PID:1688
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2492 /prefetch:1
      PID:1400
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3392 /prefetch:2
      PID:2016
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3476 /prefetch:1
      PID:1760
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3656 /prefetch:8
      PID:2052
    • 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 --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1440 /prefetch:8
      PID:2224
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=932 /prefetch:8
      PID:2272
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3928 /prefetch:8
      Suspicious behavior: EnumeratesProcesses
      PID:2320
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3116 /prefetch:8
      Suspicious behavior: EnumeratesProcesses
      PID:2436
    • 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 --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3940 /prefetch:8
      PID:2444
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3352 /prefetch:8
      PID:2516
    • 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 --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3952 /prefetch:8
      PID:2552
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3320 /prefetch:1
      PID:2628
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3100 /prefetch:8
      PID:2808
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3104 /prefetch:8
      PID:2972
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3776 /prefetch:8
      PID:2180
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1972 /prefetch:8
      PID:2240
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=780 /prefetch:8
      Suspicious behavior: EnumeratesProcesses
      PID:1584
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3280 /prefetch:8
      PID:2336
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
      PID:2496
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2616 /prefetch:8
      PID:2700
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3324 /prefetch:8
      PID:2708
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3280 /prefetch:8
      PID:2948
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x1ac
    Suspicious use of AdjustPrivilegeToken
    PID:2108
  • C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe"
    Drops file in Program Files directory
    PID:316
    • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir316_1090116428\ChromeRecovery.exe
      "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir316_1090116428\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={fb900402-643f-4d94-87a8-047b83299777} --system
      Executes dropped EXE
      PID:2280

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Execution

            Exfiltration

              Impact

                Initial Access

                  Lateral Movement

                    Persistence

                      Privilege Escalation

                        Replay Monitor

                        00:00 00:00

                        Downloads

                        • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir316_1090116428\ChromeRecovery.exe
                          Filesize

                          253KB

                          MD5

                          49ac3c96d270702a27b4895e4ce1f42a

                          SHA1

                          55b90405f1e1b72143c64113e8bc65608dd3fd76

                          SHA256

                          82aa3fd6a25cda9e16689cfadea175091be010cecae537e517f392e0bef5ba0f

                          SHA512

                          b62f6501cb4c992d42d9097e356805c88ac4ac5a46ead4a8eee9f8cbae197b2305da8aab5b4a61891fe73951588025f2d642c32524b360687993f98c913138a0

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\RecoveryImproved\1.3.36.141\Recovery.crx3
                          Filesize

                          141KB

                          MD5

                          ea1c1ffd3ea54d1fb117bfdbb3569c60

                          SHA1

                          10958b0f690ae8f5240e1528b1ccffff28a33272

                          SHA256

                          7c3a6a7d16ac44c3200f572a764bce7d8fa84b9572dd028b15c59bdccbc0a77d

                          SHA512

                          6c30728cac9eac53f0b27b7dbe2222da83225c3b63617d6b271a6cfedf18e8f0a8dffa1053e1cbc4c5e16625f4bbc0d03aa306a946c9d72faa4ceb779f8ffcaf

                        • \??\PIPE\wkssvc
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • \??\pipe\crashpad_1516_ECTYCCOVZWEQJSMC
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/2280-56-0x0000000000000000-mapping.dmp
                        • memory/2280-58-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
                          Filesize

                          8KB