Resubmissions

07/05/2024, 12:28

240507-pnhadaac9510

07/05/2024, 12:28

240507-pnd8qaff8s10

07/05/2024, 12:28

240507-pnc1naff7z10

07/05/2024, 12:28

240507-pnbgtsac8510

07/05/2024, 12:28

240507-pnawasff7w10

25/04/2024, 13:10

240425-qegsxsba4s10

Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    07/05/2024, 12:28

General

  • Target
    a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449.exe
  • Size 7.8MB
  • Sample240507-pnawasff7w
  • SHA256 a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • bitrat

Version
  • 1.38

C2
  • n7dua2r7ev3r6fsisszycs7fvy4a36epnfje5s7lz5eiduoxetqg55ad.onion:1235

Attributes
  • communication_password

    99754106633f94d350db34d548d6091a

  • install_dir

    temp

  • install_file

    test1

  • tor_process

    test2

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 4 IoCs
  • Loads dropped DLL 33 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 3 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 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 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449.exe
    "C:\Users\Admin\AppData\Local\Temp\a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449.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:2052
    • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
      "C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2148
    • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
      "C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2336
    • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
      "C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2948
    • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
      "C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2840

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        cached-certs

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-certs
        • Size 20KB
        • SHA256 f758324bb62582d5d142314dc4e3d324ea30cd93fa627689ca3891fec0b6d2f8
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdesc-consensus.tmp

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdesc-consensus.tmp
        • Size 2.4MB
        • SHA256 59f1410ba288f348e46546682bc8ae589accfdb2abc49b0b59fed35ed9de32e5
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs
        • Size 5.1MB
        • SHA256 f46ae5316facd896b2a556b77773a80dc469cc1d7dab9bca39a97f00fd6ef531
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs.new
        • Size 5.1MB
        • SHA256 536634d2456cd69f078f57191aa7f65cea47b98e7812a6b6e8d5e23f7fc224b0
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs.new
        • Size 6.3MB
        • SHA256 729463208c17589439bc198ec6d0ead5288df831beb190750e5cf56b89a2b042
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs.new
        • Size 12.6MB
        • SHA256 c7bb985650e54e52f42f3d53c81b9c56c26b226b61a38d762a51658add621c05
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs.new
        • Size 9.1MB
        • SHA256 6d5f7d6d4e85f333197b10197952bd1a56f34b72a53b3f59d6625202bd52a82a
        • MD5 SHA1 SHA512 SSDEEP

        state

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\state
        • Size 232B
        • SHA256 75f6a5312b23c8a172111054a66fb49c125f051d2410cd958f342ae1522a20bf
        • MD5 SHA1 SHA512

        state

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\state
        • Size 3KB
        • SHA256 13ce2cbf7f1801d116d630ae2a2736fc02e16bc751c52432f8098f51b6fd19e7
        • MD5 SHA1 SHA512

        state

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\data\state
        • Size 5KB
        • SHA256 5470ffe5d9af401d9b64348484af4354861fe62fe2215d8cade45ee9e279a8e5
        • MD5 SHA1 SHA512 SSDEEP

        libcrypto-1_1.dll

        • Path C:\Users\Admin\AppData\Local\d46500b0\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\d46500b0\tor\libevent-2-1-6.dll
        • Size 366KB
        • SHA256 b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838
        • MD5 SHA1 SHA512 SSDEEP

        libssl-1_1.dll

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\libssl-1_1.dll
        • Size 439KB
        • SHA256 c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f
        • MD5 SHA1 SHA512 SSDEEP

        libssp-0.dll

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\libssp-0.dll
        • Size 88KB
        • SHA256 cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6
        • MD5 SHA1 SHA512 SSDEEP

        libwinpthread-1.dll

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\libwinpthread-1.dll
        • Size 188KB
        • SHA256 92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e
        • MD5 SHA1 SHA512 SSDEEP

        torrc

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\torrc
        • Size 157B
        • SHA256 d1604e8bdb1a544638a97aa210b3e1eb12f1f159323d6b5942e03e11eafe9f75
        • MD5 SHA1 SHA512

        zlib1.dll

        • Path C:\Users\Admin\AppData\Local\d46500b0\tor\zlib1.dll
        • Size 52KB
        • SHA256 8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183
        • MD5 SHA1 SHA512 SSDEEP

        libgcc_s_sjlj-1.dll

        • Path \Users\Admin\AppData\Local\d46500b0\tor\libgcc_s_sjlj-1.dll
        • Size 286KB
        • SHA256 2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5
        • MD5 SHA1 SHA512 SSDEEP

        test2.exe

        • Path \Users\Admin\AppData\Local\d46500b0\tor\test2.exe
        • Size 973KB
        • SHA256 f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5
        • MD5 SHA1 SHA512 SSDEEP

        memory/2052-248-0x0000000000BE0000-0x0000000000BEA000-memory.dmp

        memory/2052-45-0x0000000004000000-0x0000000004404000-memory.dmp

        memory/2052-46-0x0000000000400000-0x0000000000BD8000-memory.dmp

        memory/2052-333-0x0000000003400000-0x000000000340A000-memory.dmp

        memory/2052-142-0x0000000000400000-0x0000000000BD8000-memory.dmp

        memory/2052-178-0x0000000000BE0000-0x0000000000BEA000-memory.dmp

        memory/2052-160-0x0000000004C60000-0x0000000005064000-memory.dmp

        memory/2052-120-0x0000000004C60000-0x0000000005064000-memory.dmp

        memory/2052-247-0x0000000000BE0000-0x0000000000BEA000-memory.dmp

        memory/2052-219-0x00000000058C0000-0x0000000005CC4000-memory.dmp

        memory/2052-258-0x00000000058C0000-0x0000000005CC4000-memory.dmp

        memory/2052-57-0x0000000000400000-0x0000000000BD8000-memory.dmp

        memory/2052-270-0x0000000003400000-0x000000000340A000-memory.dmp

        memory/2052-71-0x0000000000400000-0x0000000000BD8000-memory.dmp

        memory/2052-179-0x0000000000BE0000-0x0000000000BEA000-memory.dmp

        memory/2052-295-0x0000000005AC0000-0x0000000005EC4000-memory.dmp

        memory/2052-20-0x0000000004000000-0x0000000004404000-memory.dmp

        memory/2052-17-0x0000000004000000-0x0000000004404000-memory.dmp

        memory/2052-0-0x0000000000400000-0x0000000000BD8000-memory.dmp

        memory/2148-33-0x0000000073EB0000-0x0000000073FBA000-memory.dmp

        memory/2148-98-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2148-89-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2148-79-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2148-58-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2148-51-0x0000000074580000-0x00000000745C9000-memory.dmp

        memory/2148-52-0x00000000744B0000-0x0000000074578000-memory.dmp

        memory/2148-53-0x0000000073EB0000-0x0000000073FBA000-memory.dmp

        memory/2148-54-0x0000000073E20000-0x0000000073EA8000-memory.dmp

        memory/2148-55-0x0000000073D50000-0x0000000073E1E000-memory.dmp

        memory/2148-49-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2148-48-0x0000000073FC0000-0x000000007428F000-memory.dmp

        memory/2148-47-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2148-25-0x0000000073FC0000-0x000000007428F000-memory.dmp

        memory/2148-26-0x0000000074580000-0x00000000745C9000-memory.dmp

        memory/2148-32-0x00000000744B0000-0x0000000074578000-memory.dmp

        memory/2148-36-0x0000000073E20000-0x0000000073EA8000-memory.dmp

        memory/2148-41-0x0000000074A20000-0x0000000074A44000-memory.dmp

        memory/2148-40-0x0000000073D50000-0x0000000073E1E000-memory.dmp

        memory/2148-21-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2336-122-0x0000000074530000-0x0000000074579000-memory.dmp

        memory/2336-123-0x00000000741C0000-0x0000000074288000-memory.dmp

        memory/2336-161-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2336-127-0x00000000745A0000-0x00000000745C4000-memory.dmp

        memory/2336-128-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2336-125-0x00000000744A0000-0x0000000074528000-memory.dmp

        memory/2336-124-0x00000000740B0000-0x00000000741BA000-memory.dmp

        memory/2336-150-0x00000000741C0000-0x0000000074288000-memory.dmp

        memory/2336-126-0x0000000073FE0000-0x00000000740AE000-memory.dmp

        memory/2336-205-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2336-147-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2336-121-0x0000000073CF0000-0x0000000073FBF000-memory.dmp

        memory/2336-148-0x0000000073CF0000-0x0000000073FBF000-memory.dmp

        memory/2336-153-0x0000000073FE0000-0x00000000740AE000-memory.dmp

        memory/2840-305-0x0000000074240000-0x0000000074289000-memory.dmp

        memory/2840-309-0x0000000073390000-0x000000007349A000-memory.dmp

        memory/2840-307-0x0000000074020000-0x00000000740E8000-memory.dmp

        memory/2840-310-0x0000000074130000-0x00000000741B8000-memory.dmp

        memory/2840-311-0x00000000732C0000-0x000000007338E000-memory.dmp

        memory/2840-313-0x0000000072E70000-0x000000007313F000-memory.dmp

        memory/2840-312-0x0000000074500000-0x0000000074524000-memory.dmp

        memory/2840-304-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2948-223-0x00000000731D0000-0x000000007349F000-memory.dmp

        memory/2948-289-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2948-260-0x00000000731D0000-0x000000007349F000-memory.dmp

        memory/2948-259-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2948-220-0x00000000000D0000-0x00000000004D4000-memory.dmp

        memory/2948-224-0x00000000744E0000-0x0000000074529000-memory.dmp

        memory/2948-225-0x00000000740F0000-0x00000000741B8000-memory.dmp

        memory/2948-226-0x0000000073FE0000-0x00000000740EA000-memory.dmp

        memory/2948-227-0x0000000074200000-0x0000000074288000-memory.dmp

        memory/2948-228-0x0000000073EF0000-0x0000000073FBE000-memory.dmp

        memory/2948-229-0x0000000074550000-0x0000000074574000-memory.dmp