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12/04/2024, 13:18

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12/04/2024, 13:18

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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
    607s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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.

  • 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 12 IoCs
  • Looks up external IP address via web service 8 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 11 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⤵
    • 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:2228
    • 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:3932
    • 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:4884
    • 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:1336
    • 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:3940
    • 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:940
    • 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:3084
    • 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:1332
    • 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: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:1936
    • 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:3020
    • 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:2644
    • 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:2836
    • 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:3696
    • 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:1280
    • 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:932
    • 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:2548
    • 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:3040
    • 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:3360
    • 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:4764
    • 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:4292
    • 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:3852
    • 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:1196
    • 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:2876
    • 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:4676
    • 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:496

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 15KB
        • SHA256 2a1cf2155e6309ac8d8fe1a7831e97620752e0a8c76789075cb060d6afe70edd
        • 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 9.0MB
        • SHA256 d7cc6177491dd77247e0d9a4b495f6a4acabd23be2e8c7b3392a42b65fe4abf7
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 9.0MB
        • SHA256 4fd35d5bcc50d16d0f340d9c072fea06048c32320ae0eb1fd77c26a03b09741c
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 6.2MB
        • SHA256 9c279d90a0196a301b40b90a2baedbc75ab3bc0ed71ffb2095d231f539551dbc
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 5.9MB
        • SHA256 d93ee536f88a3e9ed15bab5b8ef51f4eba0443fca3a9344888ec89c4e3da31a7
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 11.4MB
        • SHA256 8aa6ee61a0955da208661ce3496b20ab3571e27d0db14938ae17b954e0c6fac1
        • MD5 SHA1 SHA512 SSDEEP

        state

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\state
        • Size 232B
        • SHA256 5d2e76812794a98351bc5fdf8c118638c4c2d3275606b8d27e79d38077b02929
        • MD5 SHA1 SHA512

        state

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\state
        • Size 3KB
        • SHA256 4d700d40a4b2d6b62e42485db60ea50acd9844d183a71813d2264089e9b8fd50
        • 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

        libssp-0.dll

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

        libssl-1_1.dll

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

        libwinpthread-1.dll

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

        zlib1.dll

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

        memory/940-256-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/940-264-0x00000000730E0000-0x00000000731EA000-memory.dmp

        memory/940-266-0x0000000073B30000-0x0000000073B54000-memory.dmp

        memory/940-294-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/940-269-0x0000000073390000-0x000000007365F000-memory.dmp

        memory/940-265-0x0000000073050000-0x00000000730D8000-memory.dmp

        memory/940-263-0x00000000731F0000-0x00000000732BE000-memory.dmp

        memory/940-262-0x0000000073B60000-0x0000000073BA9000-memory.dmp

        memory/940-261-0x00000000732C0000-0x0000000073388000-memory.dmp

        memory/940-295-0x00000000732C0000-0x0000000073388000-memory.dmp

        memory/940-296-0x00000000731F0000-0x00000000732BE000-memory.dmp

        memory/940-297-0x0000000073390000-0x000000007365F000-memory.dmp

        memory/940-315-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/1332-333-0x0000000073B60000-0x0000000073BA9000-memory.dmp

        memory/1336-141-0x0000000073120000-0x00000000731A8000-memory.dmp

        memory/1336-231-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/1336-165-0x0000000073050000-0x000000007311E000-memory.dmp

        memory/1336-160-0x00000000732C0000-0x0000000073388000-memory.dmp

        memory/1336-159-0x0000000073390000-0x000000007365F000-memory.dmp

        memory/1336-158-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/1336-181-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/1336-173-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/1336-143-0x0000000073050000-0x000000007311E000-memory.dmp

        memory/1336-142-0x0000000073B60000-0x0000000073BA9000-memory.dmp

        memory/1336-140-0x00000000731B0000-0x00000000732BA000-memory.dmp

        memory/1336-136-0x0000000073390000-0x000000007365F000-memory.dmp

        memory/1336-137-0x00000000732C0000-0x0000000073388000-memory.dmp

        memory/1336-139-0x0000000073B30000-0x0000000073B54000-memory.dmp

        memory/2228-285-0x0000000072310000-0x000000007234A000-memory.dmp

        memory/2228-166-0x0000000072DB0000-0x0000000072DEA000-memory.dmp

        memory/2228-1-0x0000000073B70000-0x0000000073BAA000-memory.dmp

        memory/2228-42-0x0000000072900000-0x000000007293A000-memory.dmp

        memory/2228-0-0x0000000000400000-0x0000000000BD8000-memory.dmp

        memory/3084-326-0x0000000073B30000-0x0000000073B54000-memory.dmp

        memory/3084-322-0x00000000731F0000-0x00000000732BE000-memory.dmp

        memory/3084-320-0x00000000732C0000-0x0000000073388000-memory.dmp

        memory/3084-324-0x0000000073B60000-0x0000000073BA9000-memory.dmp

        memory/3084-327-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3084-328-0x00000000730E0000-0x00000000731EA000-memory.dmp

        memory/3084-330-0x0000000073050000-0x00000000730D8000-memory.dmp

        memory/3084-329-0x0000000073390000-0x000000007365F000-memory.dmp

        memory/3084-305-0x0000000073390000-0x000000007365F000-memory.dmp

        memory/3084-303-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3932-34-0x0000000072D70000-0x0000000072D94000-memory.dmp

        memory/3932-41-0x0000000001440000-0x000000000170F000-memory.dmp

        memory/3932-61-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3932-84-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3932-19-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3932-22-0x0000000073190000-0x0000000073258000-memory.dmp

        memory/3932-32-0x00000000730C0000-0x000000007318E000-memory.dmp

        memory/3932-33-0x0000000073070000-0x00000000730B9000-memory.dmp

        memory/3932-35-0x0000000072CE0000-0x0000000072D68000-memory.dmp

        memory/3932-36-0x0000000072BD0000-0x0000000072CDA000-memory.dmp

        memory/3932-60-0x0000000001440000-0x000000000170F000-memory.dmp

        memory/3932-37-0x0000000072DA0000-0x000000007306F000-memory.dmp

        memory/3932-52-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3932-51-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3932-50-0x0000000072DA0000-0x000000007306F000-memory.dmp

        memory/3932-45-0x00000000730C0000-0x000000007318E000-memory.dmp

        memory/3932-44-0x0000000073190000-0x0000000073258000-memory.dmp

        memory/3932-43-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3932-92-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3940-245-0x0000000073B60000-0x0000000073BA9000-memory.dmp

        memory/3940-238-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/3940-244-0x0000000073050000-0x000000007311E000-memory.dmp

        memory/3940-243-0x00000000732C0000-0x0000000073388000-memory.dmp

        memory/3940-240-0x0000000073390000-0x000000007365F000-memory.dmp

        memory/3940-247-0x00000000731B0000-0x00000000732BA000-memory.dmp

        memory/3940-248-0x0000000073120000-0x00000000731A8000-memory.dmp

        memory/3940-246-0x0000000073B30000-0x0000000073B54000-memory.dmp

        memory/4884-119-0x0000000072DA0000-0x000000007306F000-memory.dmp

        memory/4884-123-0x0000000072D70000-0x0000000072D94000-memory.dmp

        memory/4884-120-0x0000000073190000-0x0000000073258000-memory.dmp

        memory/4884-105-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/4884-121-0x00000000730C0000-0x000000007318E000-memory.dmp

        memory/4884-118-0x0000000072CE0000-0x0000000072D68000-memory.dmp

        memory/4884-113-0x0000000073070000-0x00000000730B9000-memory.dmp

        memory/4884-117-0x0000000000170000-0x0000000000574000-memory.dmp

        memory/4884-116-0x0000000072BD0000-0x0000000072CDA000-memory.dmp

        memory/4884-115-0x0000000072D70000-0x0000000072D94000-memory.dmp

        memory/4884-111-0x00000000730C0000-0x000000007318E000-memory.dmp

        memory/4884-109-0x0000000073190000-0x0000000073258000-memory.dmp

        memory/4884-107-0x0000000072DA0000-0x000000007306F000-memory.dmp