Analysis

  • max time kernel
    598s
  • max time network
    605s
  • platform
    windows10-1703_x64
  • resource
    win10-20240319-en
  • resource tags

    arch:x64arch:x86image:win10-20240319-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/04/2024, 13:10

General

  • Target
    23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe
  • Size 5.2MB
  • Sample240409-qegg6aba8y
  • SHA256 23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • BitRAT

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

  • BitRAT payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 30 IoCs

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

  • Adds Run key to start application 2 TTPs 22 IoCs
  • Looks up external IP address via web service 37 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.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:4056
    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe
      "C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        cached-microdesc-consensus.tmp

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\data\cached-microdesc-consensus.tmp
        • Size 2.6MB
        • SHA256 92194ab28bfdbdf322a7cb1b230a53a0cb8b47b26045f58d1e8f39e3f9014b1f
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\data\cached-microdescs.new
        • Size 9.8MB
        • SHA256 1a0d42cb452b4218daefcc9d7e2fc875d46345ab5aa7b158133be5a7de6234f7
        • MD5 SHA1 SHA512 SSDEEP

        javaupdate.exe

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe
        • Size 973KB
        • SHA256 f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5
        • MD5 SHA1 SHA512 SSDEEP

        libcrypto-1_1.dll

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\libcrypto-1_1.dll
        • Size 1.7MB
        • SHA256 c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369
        • MD5 SHA1 SHA512 SSDEEP

        libssl-1_1.dll

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\libssl-1_1.dll
        • Size 439KB
        • SHA256 c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f
        • MD5 SHA1 SHA512 SSDEEP

        libwinpthread-1.dll

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\libwinpthread-1.dll
        • Size 188KB
        • SHA256 92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e
        • MD5 SHA1 SHA512 SSDEEP

        torrc

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\torrc
        • Size 139B
        • SHA256 58b5958bc1a62b6a4e48d5ecf9773a87ff8c23d8736d7695b13ba158a57e9bae
        • MD5 SHA1 SHA512

        zlib1.dll

        • Path C:\Users\Admin\AppData\Local\e0c93a5e\tor\zlib1.dll
        • Size 52KB
        • SHA256 8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183
        • MD5 SHA1 SHA512 SSDEEP

        libevent-2-1-6.dll

        • Path \Users\Admin\AppData\Local\e0c93a5e\tor\libevent-2-1-6.dll
        • Size 366KB
        • SHA256 b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838
        • MD5 SHA1 SHA512 SSDEEP

        libgcc_s_sjlj-1.dll

        • Path \Users\Admin\AppData\Local\e0c93a5e\tor\libgcc_s_sjlj-1.dll
        • Size 286KB
        • SHA256 2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5
        • MD5 SHA1 SHA512 SSDEEP

        libssp-0.dll

        • Path \Users\Admin\AppData\Local\e0c93a5e\tor\libssp-0.dll
        • Size 88KB
        • SHA256 cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6
        • MD5 SHA1 SHA512 SSDEEP

        memory/4056-42-0x0000000072E20000-0x0000000072E5A000-memory.dmp

        memory/4056-1-0x00000000740B0000-0x00000000740EA000-memory.dmp

        memory/4056-336-0x0000000072850000-0x000000007288A000-memory.dmp

        memory/4056-308-0x0000000073980000-0x00000000739BA000-memory.dmp

        memory/4056-261-0x0000000072E20000-0x0000000072E5A000-memory.dmp

        memory/4056-252-0x00000000740B0000-0x00000000740EA000-memory.dmp

        memory/4056-156-0x0000000072850000-0x000000007288A000-memory.dmp

        memory/4056-116-0x0000000073980000-0x00000000739BA000-memory.dmp

        memory/4056-67-0x0000000000400000-0x0000000000D54000-memory.dmp

        memory/4056-0-0x0000000000400000-0x0000000000D54000-memory.dmp

        memory/4464-31-0x00000000736A0000-0x0000000073768000-memory.dmp

        memory/4464-100-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-52-0x00000000736A0000-0x0000000073768000-memory.dmp

        memory/4464-53-0x00000000735D0000-0x000000007369E000-memory.dmp

        memory/4464-58-0x0000000073110000-0x00000000733DF000-memory.dmp

        memory/4464-19-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-32-0x00000000735D0000-0x000000007369E000-memory.dmp

        memory/4464-68-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-76-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-77-0x0000000001700000-0x00000000019CF000-memory.dmp

        memory/4464-86-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-51-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-108-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-41-0x0000000073110000-0x00000000733DF000-memory.dmp

        memory/4464-117-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-126-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-148-0x00000000010F0000-0x00000000014F4000-memory.dmp

        memory/4464-37-0x0000000001700000-0x00000000019CF000-memory.dmp

        memory/4464-36-0x00000000733E0000-0x00000000734EA000-memory.dmp

        memory/4464-35-0x00000000734F0000-0x0000000073578000-memory.dmp

        memory/4464-34-0x0000000074170000-0x0000000074194000-memory.dmp

        memory/4464-33-0x0000000073580000-0x00000000735C9000-memory.dmp