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22/09/2021, 14:12

210922-rh4yasfecj 10

Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2024, 14:47

General

  • Target

    d7a6495589f3f791fe1a074c64922c17979229a79e5f0a57046254d9fd712eee.exe

  • Size

    434KB

  • MD5

    abac8b5fb6a305939c7ac38ea06666bd

  • SHA1

    b42bbb582a8bbf08e865e5181dba0f67c659763e

  • SHA256

    d7a6495589f3f791fe1a074c64922c17979229a79e5f0a57046254d9fd712eee

  • SHA512

    287e06f2ba0a071fb4cb0a62f127cd38c47225d0808fb685773eeb132bb9d7de06a401bab7d86714785cee04b27c40e93eeae7ade2eab1f5d200188b477671da

  • SSDEEP

    12288:rXPcLcbGfVylwG/ZDCK/ScBXo8TsyMkKMY8m7WOK95OTTsx/SA/WegYfdNbrqnuw:rXh6XcBXo8TsL8Y8m4OTTySA/DrfdNbS

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4792
    • 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x2f0,0x7ff88d9a2e98,0x7ff88d9a2ea4,0x7ff88d9a2eb0
      2⤵
        PID:3460
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=3080 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:2
        2⤵
          PID:3936
        • 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 --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3124 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:3
          2⤵
            PID:4116
          • 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 --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3096 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
            2⤵
              PID:2760
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5332 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:1
              2⤵
                PID:912
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5552 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:1
                2⤵
                  PID:4420
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
                  2⤵
                    PID:4392
                • C:\Users\Admin\AppData\Local\Temp\d7a6495589f3f791fe1a074c64922c17979229a79e5f0a57046254d9fd712eee.exe
                  "C:\Users\Admin\AppData\Local\Temp\d7a6495589f3f791fe1a074c64922c17979229a79e5f0a57046254d9fd712eee.exe"
                  1⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:4028
                  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
                    "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
                    2⤵
                    • Executes dropped EXE
                    PID:3964

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

                  Filesize

                  3KB

                  MD5

                  b4cd27f2b37665f51eb9fe685ec1d373

                  SHA1

                  7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

                  SHA256

                  91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

                  SHA512

                  e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

                • C:\Users\Admin\AppData\Local\Temp\x64btit.txt

                  Filesize

                  28B

                  MD5

                  19eb4a67a8dc35e6f6cefdefa02dc756

                  SHA1

                  68382fa2660fcf8cd203932461d96fe8cb608d22

                  SHA256

                  3501cf2bf5b5338d00bac7b4acfda42253fd1afac5b162ad37e2a278590f9a22

                  SHA512

                  751ed493d6df6cc36ef3aff132b223e8096ff243538debf4944a050e10176ca7cec92f9bab658c1c6c596343ea01f64853f19330266849955bc1db345474166b