Resubmissions

12/04/2024, 13:18

240412-qj2nwsdg6z10

12/04/2024, 13:18

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12/04/2024, 13:18

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12/04/2024, 13:18

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
    600s
  • max time network
    602s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 30 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 12 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: RenamesItself 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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:2204
    • 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:1792
    • 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:2308
    • 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:2380
    • 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:2552
    • 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:2260
    • 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:2192
    • 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:2884
    • 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:1616
    • 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:2504
    • 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:2436
    • 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:2788
    • 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:1660
    • 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:1408
    • 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:1796
    • 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:2128
    • 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:484
    • 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:1316
    • 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:472
    • 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:2736
    • 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:2460
    • 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:2784
    • 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:2288
    • 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: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:2976
    • 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:1300
    • 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:2256
    • 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:1788
    • 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:1956

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 9c0c4e79c1b3fa5e00aeb2340a11285ef764a8f578ba87d40f0b91e88eb9fcec
        • 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 92194ab28bfdbdf322a7cb1b230a53a0cb8b47b26045f58d1e8f39e3f9014b1f
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 571KB
        • SHA256 680d4d448fab4ce6bfd606704f316d0ec0eaeaef299d06211880975f69abd5e4
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 20.4MB
        • SHA256 1b26c5327fb9d3d4e65e76ac8acdc18dfc4e57b039d025e74ede85b4abd7177c
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 7.5MB
        • SHA256 26515b9b23e5df25f10b9bd2633d0a48bf3c93fa11e2f0bc3c76ff756bd0d7ed
        • MD5 SHA1 SHA512 SSDEEP

        state

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\state
        • Size 232B
        • SHA256 f33fca49c49a7dde98adf5e52ca1b3265561bdca935c42d611fba078506d40d6
        • 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

        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

        tor.exe

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

        memory/1792-128-0x0000000074550000-0x0000000074618000-memory.dmp

        memory/1792-114-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/1792-141-0x0000000074AF0000-0x0000000074B78000-memory.dmp

        memory/1792-140-0x0000000074440000-0x000000007454A000-memory.dmp

        memory/1792-138-0x0000000074B80000-0x0000000074BC9000-memory.dmp

        memory/1792-139-0x0000000074550000-0x0000000074618000-memory.dmp

        memory/1792-137-0x0000000074C20000-0x0000000074C44000-memory.dmp

        memory/1792-136-0x0000000074620000-0x00000000748EF000-memory.dmp

        memory/1792-135-0x0000000074370000-0x000000007443E000-memory.dmp

        memory/1792-134-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/1792-133-0x0000000074AF0000-0x0000000074B78000-memory.dmp

        memory/1792-131-0x0000000074440000-0x000000007454A000-memory.dmp

        memory/1792-126-0x0000000074B80000-0x0000000074BC9000-memory.dmp

        memory/1792-124-0x0000000074620000-0x00000000748EF000-memory.dmp

        memory/2204-62-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/2204-64-0x0000000074B80000-0x0000000074BC9000-memory.dmp

        memory/2204-80-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/2204-88-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/2204-96-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/2204-104-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/2204-33-0x0000000074440000-0x000000007454A000-memory.dmp

        memory/2204-67-0x0000000074AF0000-0x0000000074B78000-memory.dmp

        memory/2204-66-0x0000000074440000-0x000000007454A000-memory.dmp

        memory/2204-65-0x0000000074550000-0x0000000074618000-memory.dmp

        memory/2204-36-0x0000000074AF0000-0x0000000074B78000-memory.dmp

        memory/2204-68-0x0000000074370000-0x000000007443E000-memory.dmp

        memory/2204-39-0x0000000074370000-0x000000007443E000-memory.dmp

        memory/2204-30-0x0000000074550000-0x0000000074618000-memory.dmp

        memory/2204-56-0x0000000074620000-0x00000000748EF000-memory.dmp

        memory/2204-55-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/2204-21-0x0000000000160000-0x0000000000564000-memory.dmp

        memory/2204-27-0x0000000074B80000-0x0000000074BC9000-memory.dmp

        memory/2204-41-0x0000000074C20000-0x0000000074C44000-memory.dmp

        memory/2204-25-0x0000000074620000-0x00000000748EF000-memory.dmp

        memory/2260-338-0x00000000748A0000-0x00000000748E9000-memory.dmp

        memory/2260-337-0x0000000073800000-0x0000000073ACF000-memory.dmp

        memory/2260-335-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2308-161-0x0000000074820000-0x00000000748E8000-memory.dmp

        memory/2308-165-0x0000000074680000-0x0000000074708000-memory.dmp

        memory/2308-162-0x0000000074710000-0x000000007481A000-memory.dmp

        memory/2308-159-0x0000000074350000-0x000000007461F000-memory.dmp

        memory/2308-166-0x0000000074BA0000-0x0000000074BC4000-memory.dmp

        memory/2308-167-0x00000000741C0000-0x000000007428E000-memory.dmp

        memory/2308-160-0x0000000074B30000-0x0000000074B79000-memory.dmp

        memory/2308-158-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2308-252-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2308-181-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2308-182-0x0000000074350000-0x000000007461F000-memory.dmp

        memory/2308-183-0x0000000074B30000-0x0000000074B79000-memory.dmp

        memory/2308-184-0x0000000074820000-0x00000000748E8000-memory.dmp

        memory/2308-185-0x0000000074710000-0x000000007481A000-memory.dmp

        memory/2308-186-0x0000000074680000-0x0000000074708000-memory.dmp

        memory/2308-187-0x00000000741C0000-0x000000007428E000-memory.dmp

        memory/2308-189-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2380-250-0x0000000074680000-0x0000000074708000-memory.dmp

        memory/2380-264-0x0000000074350000-0x000000007461F000-memory.dmp

        memory/2380-267-0x0000000074710000-0x000000007481A000-memory.dmp

        memory/2380-241-0x0000000074350000-0x000000007461F000-memory.dmp

        memory/2380-243-0x0000000074B30000-0x0000000074B79000-memory.dmp

        memory/2380-245-0x0000000074820000-0x00000000748E8000-memory.dmp

        memory/2380-247-0x0000000074710000-0x000000007481A000-memory.dmp

        memory/2380-266-0x0000000074820000-0x00000000748E8000-memory.dmp

        memory/2380-265-0x0000000074B30000-0x0000000074B79000-memory.dmp

        memory/2380-253-0x00000000741C0000-0x000000007428E000-memory.dmp

        memory/2380-255-0x0000000074BA0000-0x0000000074BC4000-memory.dmp

        memory/2380-258-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2380-263-0x0000000074680000-0x0000000074708000-memory.dmp

        memory/2552-292-0x0000000073800000-0x0000000073ACF000-memory.dmp

        memory/2552-291-0x0000000074B50000-0x0000000074B74000-memory.dmp

        memory/2552-316-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2552-290-0x00000000744C0000-0x000000007458E000-memory.dmp

        memory/2552-289-0x0000000074590000-0x0000000074618000-memory.dmp

        memory/2552-285-0x0000000001320000-0x0000000001724000-memory.dmp

        memory/2552-287-0x00000000747D0000-0x0000000074898000-memory.dmp

        memory/2552-286-0x00000000748A0000-0x00000000748E9000-memory.dmp

        memory/2552-288-0x00000000746C0000-0x00000000747CA000-memory.dmp

        memory/2832-307-0x0000000005590000-0x0000000005994000-memory.dmp

        memory/2832-232-0x0000000005590000-0x0000000005994000-memory.dmp

        memory/2832-112-0x0000000004900000-0x0000000004D04000-memory.dmp

        memory/2832-198-0x00000000003C0000-0x00000000003CA000-memory.dmp

        memory/2832-305-0x00000000003C0000-0x00000000003CA000-memory.dmp

        memory/2832-306-0x00000000003C0000-0x00000000003CA000-memory.dmp

        memory/2832-284-0x0000000005590000-0x0000000005994000-memory.dmp

        memory/2832-197-0x00000000003C0000-0x00000000003CA000-memory.dmp

        memory/2832-333-0x0000000005700000-0x0000000005B04000-memory.dmp

        memory/2832-53-0x0000000003CE0000-0x00000000040E4000-memory.dmp

        memory/2832-20-0x0000000003CE0000-0x00000000040E4000-memory.dmp

        memory/2832-19-0x0000000003CE0000-0x00000000040E4000-memory.dmp

        memory/2832-0-0x0000000000400000-0x0000000000BD8000-memory.dmp