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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
    598s
  • max time network
    606s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-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 22 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 2 IoCs
  • Looks up external IP address via web service 14 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 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:2844
    • 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:4916
    • 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:3508
    • 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: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
      • Loads dropped DLL
      PID:4952
    • 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:4872
    • 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: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
      • Loads dropped DLL
      PID:3124
    • 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:2268
    • 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:2640
    • 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:4968
    • 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:3480
    • 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:3704
    • 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:4824
    • 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:3676
    • 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:4480
    • 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:3236
    • 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:1436
    • 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:1140
    • 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:4804
    • 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:4524
    • 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:956

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 ba0c39424754db46715d54d46cc1badb3ccb19b4c8a93785f0d4e71b31176089
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdesc-consensus

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdesc-consensus
        • 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 01bf9c108a2c6f47789cbfe9657e45224979f5073ac4ff2efd0e5dc8414adba2
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 20.4MB
        • SHA256 8d6f17813b14def99bc16d2001a7237ce360907f28063b0aa06a58d1da4feb1f
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\cached-microdescs.new
        • Size 8.8MB
        • SHA256 d273bb5fcb214afd356a7532fb766d12fea7a3429e74ad05498dca01400b6be9
        • MD5 SHA1 SHA512 SSDEEP

        state

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\state
        • Size 232B
        • SHA256 fd912e8a8f319eceb20b75f84dc9d99cec5a5680ec490fdcc02c178954b4d18b
        • MD5 SHA1 SHA512

        state

        • Path C:\Users\Admin\AppData\Local\a5b260eb\tor\data\state
        • Size 3KB
        • SHA256 49cd0cba2ee723e0565604fafa587a2bebf8272dd248fbd533157da85a76c485
        • 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/2844-47-0x0000000072BA0000-0x0000000072BDC000-memory.dmp

        memory/2844-180-0x0000000073430000-0x000000007346C000-memory.dmp

        memory/2844-0-0x0000000000400000-0x0000000000BD8000-memory.dmp

        memory/2844-110-0x0000000074000000-0x000000007403C000-memory.dmp

        memory/2844-1-0x0000000074030000-0x000000007406C000-memory.dmp

        memory/2976-306-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/2976-308-0x0000000073080000-0x000000007334F000-memory.dmp

        memory/2976-309-0x0000000071D00000-0x0000000071DC8000-memory.dmp

        memory/2976-312-0x0000000071A90000-0x0000000071B5E000-memory.dmp

        memory/3040-260-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/3040-192-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/3040-201-0x0000000071B20000-0x0000000071C2A000-memory.dmp

        memory/3040-229-0x0000000071C30000-0x0000000071CFE000-memory.dmp

        memory/3040-200-0x0000000073000000-0x0000000073024000-memory.dmp

        memory/3040-197-0x0000000071C30000-0x0000000071CFE000-memory.dmp

        memory/3040-228-0x0000000071D00000-0x0000000071DC8000-memory.dmp

        memory/3040-227-0x0000000073080000-0x000000007334F000-memory.dmp

        memory/3040-194-0x0000000071D00000-0x0000000071DC8000-memory.dmp

        memory/3040-226-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/3040-193-0x0000000073080000-0x000000007334F000-memory.dmp

        memory/3040-203-0x0000000073030000-0x0000000073079000-memory.dmp

        memory/3040-202-0x0000000071A90000-0x0000000071B18000-memory.dmp

        memory/3508-178-0x0000000073580000-0x0000000073648000-memory.dmp

        memory/3508-157-0x0000000073050000-0x000000007331F000-memory.dmp

        memory/3508-160-0x0000000073460000-0x000000007352E000-memory.dmp

        memory/3508-162-0x0000000073530000-0x0000000073579000-memory.dmp

        memory/3508-166-0x0000000073320000-0x000000007342A000-memory.dmp

        memory/3508-167-0x0000000072FC0000-0x0000000073048000-memory.dmp

        memory/3508-165-0x0000000073430000-0x0000000073454000-memory.dmp

        memory/3508-177-0x0000000073050000-0x000000007331F000-memory.dmp

        memory/3508-176-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/3508-159-0x0000000073580000-0x0000000073648000-memory.dmp

        memory/3508-179-0x0000000073460000-0x000000007352E000-memory.dmp

        memory/4872-289-0x0000000073000000-0x0000000073024000-memory.dmp

        memory/4872-294-0x0000000071A90000-0x0000000071B5E000-memory.dmp

        memory/4872-293-0x0000000071B60000-0x0000000071BE8000-memory.dmp

        memory/4872-290-0x0000000071BF0000-0x0000000071CFA000-memory.dmp

        memory/4872-295-0x0000000073080000-0x000000007334F000-memory.dmp

        memory/4872-313-0x0000000071D00000-0x0000000071DC8000-memory.dmp

        memory/4872-288-0x0000000073030000-0x0000000073079000-memory.dmp

        memory/4872-287-0x0000000071D00000-0x0000000071DC8000-memory.dmp

        memory/4916-48-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-22-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-127-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-119-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-111-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-102-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-92-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-66-0x0000000001860000-0x00000000018E8000-memory.dmp

        memory/4916-30-0x0000000073460000-0x000000007352E000-memory.dmp

        memory/4916-143-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-29-0x0000000073530000-0x0000000073579000-memory.dmp

        memory/4916-50-0x0000000073530000-0x0000000073579000-memory.dmp

        memory/4916-40-0x0000000073320000-0x000000007342A000-memory.dmp

        memory/4916-41-0x0000000001860000-0x0000000001B2F000-memory.dmp

        memory/4916-42-0x0000000073050000-0x000000007331F000-memory.dmp

        memory/4916-65-0x0000000001860000-0x0000000001B2F000-memory.dmp

        memory/4916-44-0x0000000001860000-0x00000000018E8000-memory.dmp

        memory/4916-45-0x0000000073580000-0x0000000073648000-memory.dmp

        memory/4916-46-0x0000000073430000-0x0000000073454000-memory.dmp

        memory/4916-43-0x0000000072FC0000-0x0000000073048000-memory.dmp

        memory/4916-57-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-56-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4916-51-0x0000000073460000-0x000000007352E000-memory.dmp

        memory/4952-258-0x0000000071D00000-0x0000000071DC8000-memory.dmp

        memory/4952-275-0x0000000073080000-0x000000007334F000-memory.dmp

        memory/4952-274-0x0000000000AF0000-0x0000000000EF4000-memory.dmp

        memory/4952-273-0x0000000071D00000-0x0000000071DC8000-memory.dmp

        memory/4952-255-0x0000000073080000-0x000000007334F000-memory.dmp

        memory/4952-268-0x0000000071A90000-0x0000000071B18000-memory.dmp

        memory/4952-266-0x0000000071B20000-0x0000000071C2A000-memory.dmp

        memory/4952-264-0x0000000073000000-0x0000000073024000-memory.dmp

        memory/4952-262-0x0000000073030000-0x0000000073079000-memory.dmp

        memory/4952-259-0x0000000071C30000-0x0000000071CFE000-memory.dmp

        memory/4952-253-0x0000000000AF0000-0x0000000000EF4000-memory.dmp