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12/04/2024, 13:18

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12/04/2024, 13:18

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240412-qjzvasag2510

09/04/2024, 03:59

240409-ekaq1sea3410

09/04/2024, 03:58

240409-ej1aaadh9810

09/04/2024, 03:58

240409-ejnw9adh8510

09/04/2024, 03:55

240409-eg8tmshd4110

17/02/2024, 23:58

240217-31gfhacd5210

Analysis

  • max time kernel
    599s
  • max time network
    605s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 03:58

General

  • Target
    stub_tor.exe
  • Size 7.8MB
  • Sample240409-ejnw9adh85
  • SHA256 caf48b67e7bb94a178426fc7ce6b9ed50ffb2f3813a7c68900f21bfffb24e44f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • bitrat

Version
  • 1.38

C2
  • 7sbl4dpbubwjjghdquwg47fyq7rookd4bgm2ypm2kjzkivd7tomvczqd.onion:440

Attributes
  • communication_password

    4124bc0a9335c27f086f24ba207a4912

  • install_dir

    Minecraft

  • install_file

    Runtime_Broker

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 25 IoCs
  • Loads dropped DLL 64 IoCs
  • UPX packed file 64 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 13 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub_tor.exe
    "C:\Users\Admin\AppData\Local\Temp\stub_tor.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3760
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5028
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:408
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4624
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1848
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2600
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1292
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3856
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3928
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1632
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:2448
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:2252
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:3936
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:812
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:2404
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:5032
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:4168
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:3200
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:2704
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:1000
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:4348
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:3668
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:3032
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:1812
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:944
    • C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
      "C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe" -f torrc
      2⤵
      • Executes dropped EXE
      PID:4156
  • 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=1036 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3744
    • 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=5016 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4256

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            cached-certs

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-certs
            • Size 20KB
            • SHA256 8a059933bf420bb30b3c39a2860b99384eb9c8461894326ad9135a29d6de0d6b
            • MD5 SHA1 SHA512 SSDEEP

            cached-microdesc-consensus.tmp

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdesc-consensus.tmp
            • Size 2.6MB
            • SHA256 d9595b5e4bb49267b93c50334024de412c0e8a2831f2caa1102529292b9c2a7e
            • MD5 SHA1 SHA512 SSDEEP

            cached-microdescs

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs
            • Size 20.4MB
            • SHA256 582d5048aa82932d64953a60ee96d3de094d17923f6518635439cf1634da7228
            • MD5 SHA1 SHA512 SSDEEP

            cached-microdescs.new

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
            • Size 20.4MB
            • SHA256 b6385741e8c0b20653ff8462796db4b78b60835d14ea67f126650a970382be29
            • MD5 SHA1 SHA512 SSDEEP

            cached-microdescs.new

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
            • Size 11.0MB
            • SHA256 a41bddb700ce5636ee5b9b31d339a3c605e464f7dd9a6a47af75d60b159e7cdb
            • MD5 SHA1 SHA512 SSDEEP

            state

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\state
            • Size 232B
            • SHA256 a22705108792e1410a0d71a2d65969ccfc9d4dbcf13684855785af636eda3d42
            • MD5 SHA1 SHA512

            state

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\state
            • Size 3KB
            • SHA256 f0f2c0ef7de67f29df2cade66cb3694b1e4990f2423464395e84912ed70f5feb
            • MD5 SHA1 SHA512

            libcrypto-1_1.dll

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\libcrypto-1_1.dll
            • Size 1.7MB
            • SHA256 c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369
            • MD5 SHA1 SHA512 SSDEEP

            libevent-2-1-6.dll

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\libevent-2-1-6.dll
            • Size 366KB
            • SHA256 b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838
            • MD5 SHA1 SHA512 SSDEEP

            libgcc_s_sjlj-1.dll

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\libgcc_s_sjlj-1.dll
            • Size 286KB
            • SHA256 2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5
            • MD5 SHA1 SHA512 SSDEEP

            libssl-1_1.dll

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\libssl-1_1.dll
            • Size 439KB
            • SHA256 c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f
            • MD5 SHA1 SHA512 SSDEEP

            libssp-0.dll

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\libssp-0.dll
            • Size 88KB
            • SHA256 cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6
            • MD5 SHA1 SHA512 SSDEEP

            libwinpthread-1.dll

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\libwinpthread-1.dll
            • Size 188KB
            • SHA256 92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e
            • MD5 SHA1 SHA512 SSDEEP

            tor.exe

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\tor.exe
            • Size 973KB
            • SHA256 f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5
            • MD5 SHA1 SHA512 SSDEEP

            torrc

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\torrc
            • Size 157B
            • SHA256 95e134044f370b2a96408d581f3c0381fe95388dae27c6d9598f44dc7d72b9ed
            • MD5 SHA1 SHA512

            zlib1.dll

            • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\zlib1.dll
            • Size 52KB
            • SHA256 8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183
            • MD5 SHA1 SHA512 SSDEEP

            memory/408-159-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/408-202-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/408-141-0x0000000073CC0000-0x0000000073D8E000-memory.dmp

            memory/408-143-0x0000000073E60000-0x0000000073E84000-memory.dmp

            memory/408-144-0x0000000073BB0000-0x0000000073CBA000-memory.dmp

            memory/408-142-0x0000000073E90000-0x0000000073ED9000-memory.dmp

            memory/408-147-0x0000000073B20000-0x0000000073BA8000-memory.dmp

            memory/408-151-0x0000000073D90000-0x0000000073E58000-memory.dmp

            memory/408-149-0x0000000073850000-0x0000000073B1F000-memory.dmp

            memory/408-162-0x0000000073CC0000-0x0000000073D8E000-memory.dmp

            memory/408-167-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/1292-316-0x0000000073B40000-0x0000000073C08000-memory.dmp

            memory/1292-311-0x0000000073C10000-0x0000000073EDF000-memory.dmp

            memory/1292-312-0x0000000073AF0000-0x0000000073B39000-memory.dmp

            memory/1292-313-0x0000000073AC0000-0x0000000073AE4000-memory.dmp

            memory/1292-314-0x00000000739B0000-0x0000000073ABA000-memory.dmp

            memory/1292-315-0x0000000073850000-0x000000007391E000-memory.dmp

            memory/1292-317-0x0000000073920000-0x00000000739A8000-memory.dmp

            memory/1292-328-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/1292-329-0x0000000073C10000-0x0000000073EDF000-memory.dmp

            memory/1848-264-0x0000000073C10000-0x0000000073EDF000-memory.dmp

            memory/1848-233-0x0000000073B40000-0x0000000073C08000-memory.dmp

            memory/1848-288-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/1848-263-0x0000000073850000-0x000000007391E000-memory.dmp

            memory/1848-262-0x0000000073B40000-0x0000000073C08000-memory.dmp

            memory/1848-261-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/1848-238-0x0000000073850000-0x000000007391E000-memory.dmp

            memory/1848-241-0x0000000073C10000-0x0000000073EDF000-memory.dmp

            memory/1848-237-0x0000000073920000-0x00000000739A8000-memory.dmp

            memory/1848-236-0x00000000739B0000-0x0000000073ABA000-memory.dmp

            memory/1848-235-0x0000000073AC0000-0x0000000073AE4000-memory.dmp

            memory/1848-234-0x0000000073AF0000-0x0000000073B39000-memory.dmp

            memory/2600-299-0x0000000073850000-0x000000007391E000-memory.dmp

            memory/2600-307-0x0000000073920000-0x00000000739A8000-memory.dmp

            memory/2600-305-0x00000000739B0000-0x0000000073ABA000-memory.dmp

            memory/2600-301-0x0000000073AF0000-0x0000000073B39000-memory.dmp

            memory/2600-303-0x0000000073AC0000-0x0000000073AE4000-memory.dmp

            memory/2600-297-0x0000000073B40000-0x0000000073C08000-memory.dmp

            memory/2600-296-0x0000000073C10000-0x0000000073EDF000-memory.dmp

            memory/2600-294-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/3760-0-0x0000000000400000-0x0000000000BD8000-memory.dmp

            memory/3760-47-0x0000000073440000-0x0000000073479000-memory.dmp

            memory/3760-115-0x0000000073FC0000-0x0000000073FF9000-memory.dmp

            memory/3760-1-0x0000000074990000-0x00000000749C9000-memory.dmp

            memory/4624-218-0x0000000073D90000-0x0000000073E58000-memory.dmp

            memory/4624-219-0x0000000073CC0000-0x0000000073D8E000-memory.dmp

            memory/4624-207-0x0000000073E60000-0x0000000073E84000-memory.dmp

            memory/4624-205-0x0000000073E90000-0x0000000073ED9000-memory.dmp

            memory/4624-203-0x0000000073CC0000-0x0000000073D8E000-memory.dmp

            memory/4624-201-0x0000000073D90000-0x0000000073E58000-memory.dmp

            memory/4624-196-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/4624-209-0x0000000073BB0000-0x0000000073CBA000-memory.dmp

            memory/4624-211-0x0000000073B20000-0x0000000073BA8000-memory.dmp

            memory/4624-221-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/4624-220-0x0000000073E90000-0x0000000073ED9000-memory.dmp

            memory/4624-213-0x0000000073850000-0x0000000073B1F000-memory.dmp

            memory/5028-93-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-91-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-43-0x0000000073B20000-0x0000000073BA8000-memory.dmp

            memory/5028-116-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-30-0x0000000073E90000-0x0000000073ED9000-memory.dmp

            memory/5028-19-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-92-0x0000000001970000-0x00000000019F8000-memory.dmp

            memory/5028-124-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-36-0x0000000073D90000-0x0000000073E58000-memory.dmp

            memory/5028-34-0x0000000073E60000-0x0000000073E84000-memory.dmp

            memory/5028-41-0x0000000073CC0000-0x0000000073D8E000-memory.dmp

            memory/5028-107-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-62-0x0000000073D90000-0x0000000073E58000-memory.dmp

            memory/5028-61-0x0000000073E60000-0x0000000073E84000-memory.dmp

            memory/5028-60-0x0000000073E90000-0x0000000073ED9000-memory.dmp

            memory/5028-59-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-42-0x0000000001970000-0x00000000019F8000-memory.dmp

            memory/5028-83-0x0000000000200000-0x0000000000604000-memory.dmp

            memory/5028-46-0x0000000001970000-0x0000000001C3F000-memory.dmp

            memory/5028-45-0x0000000073BB0000-0x0000000073CBA000-memory.dmp

            memory/5028-44-0x0000000073850000-0x0000000073B1F000-memory.dmp