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17-04-2024 14:54

240417-r96wzada86 10

17-04-2024 14:54

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17-04-2024 14:54

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17-04-2024 14:54

240417-r9353sda77 10

17-04-2024 14:54

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15-04-2024 13:19

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10-04-2024 12:02

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10-04-2024 12:02

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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-04-2024 14:54

General

  • Target

    75bff99becc32bcbe56efbe7a75f4d45.exe

  • Size

    7.0MB

  • MD5

    75bff99becc32bcbe56efbe7a75f4d45

  • SHA1

    81bfcc77809161a5254a27d3d4d30548c96fcd5b

  • SHA256

    8c05da461e90984671ffd87f0e4e28e057cca4d32a0569764dcdcce2d545fac2

  • SHA512

    940af628585713a16e685eb5251c0b954bc014460cd4ca33226df2ef260f32af56223eaf1c341862fdf1669c6bafb6e7d9c5efbeb5e437ce5e2fd9905beece69

  • SSDEEP

    49152:uW/1GYdVTXN3r3+LXDIDAKpvuh3jwLN6/VNUKIdI9OiKuDbD2yvAkdm5wrgWX+5z:hXkZL/p

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

obqdy2u226qjiavs42z4z6zgcf6tefsoxaqzjvohmoy7kafdwgqgjkqd.onion:80

Attributes
  • communication_password

    d93b4f1ee6f5b875a4f7fcef966bd09a

  • tor_process

    WinSock

Signatures

  • BitRAT

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

  • Detect ZGRat V1 34 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 16 IoCs
  • UPX packed file 32 IoCs

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

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
    "C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
      C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
      2⤵
        PID:2660
      • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
        C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
        2⤵
          PID:1484
        • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
          C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
          2⤵
            PID:2356
          • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
            C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
            2⤵
              PID:4904
            • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
              C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
              2⤵
                PID:2376
              • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
                C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
                2⤵
                  PID:2920
                • C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
                  C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
                  2⤵
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:1108
                  • C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe
                    "C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe" -f torrc
                    3⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:3132
                  • C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe
                    "C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe" -f torrc
                    3⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1440

              Network

              MITRE ATT&CK Matrix ATT&CK v13

              Persistence

              Boot or Logon Autostart Execution

              1
              T1547

              Winlogon Helper DLL

              1
              T1547.004

              Privilege Escalation

              Boot or Logon Autostart Execution

              1
              T1547

              Winlogon Helper DLL

              1
              T1547.004

              Defense Evasion

              Modify Registry

              1
              T1112

              Discovery

              System Information Discovery

              1
              T1082

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe
                Filesize

                973KB

                MD5

                5cfe61ff895c7daa889708665ef05d7b

                SHA1

                5e58efe30406243fbd58d4968b0492ddeef145f2

                SHA256

                f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

                SHA512

                43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

              • C:\Users\Admin\AppData\Local\d4f7be4f\tor\data\cached-microdesc-consensus.tmp
                Filesize

                2.6MB

                MD5

                8c8bc1908db7ac54e1dd393839811249

                SHA1

                00d3e7d05a0abd7dd8d764a13a90d027c06382a4

                SHA256

                b684399e3c8c9fe286edc15d8a6e14ea9ae7795ea7b5371865140e50fb678b3a

                SHA512

                438d374c3c0ba6db776767906f8ee5cadc4e6042c26f2da4715049f697a7d63e7d178c0e191b8edf91ed1e401401f813c34cd66c0f0b9911826d0b913f3de6d4

              • C:\Users\Admin\AppData\Local\d4f7be4f\tor\data\cached-microdescs.new
                Filesize

                5.7MB

                MD5

                dbf0ea86a9266028143697ccc12dae39

                SHA1

                e6ba1eb75b1e525a9152ca59302a2b572911422f

                SHA256

                29cc684d2a7717a5f13d79a0d9e76086c274c548be41a9193b1b0d8a041c7e7a

                SHA512

                a0c41ce4815f1224bea6ead5589fde7e0d11ff9ffea28a362eb13e270dbc0e5732c58b45c38b0403091cdfb071c5e4579c16e2bf06a821e28f2a8bcca191ac31

              • C:\Users\Admin\AppData\Local\d4f7be4f\tor\libcrypto-1_1.dll
                Filesize

                1.7MB

                MD5

                2384a02c4a1f7ec481adde3a020607d3

                SHA1

                7e848d35a10bf9296c8fa41956a3daa777f86365

                SHA256

                c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

                SHA512

                1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

              • C:\Users\Admin\AppData\Local\d4f7be4f\tor\libevent-2-1-6.dll
                Filesize

                366KB

                MD5

                099983c13bade9554a3c17484e5481f1

                SHA1

                a84e69ad9722f999252d59d0ed9a99901a60e564

                SHA256

                b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

                SHA512

                89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

              • C:\Users\Admin\AppData\Local\d4f7be4f\tor\torrc
                Filesize

                157B

                MD5

                68afdef35a6105c2b148649bd05901b0

                SHA1

                828a2b590a95c2a411cc1b0004207747f2571024

                SHA256

                4e4e4e7f9fb03bcb898ce4f6075e3082d3a341d9fff1955ddf45089f83565622

                SHA512

                f198da05ec57c8525e6643f7f2c212701d0ab641d2850a28ce4cea7c33ac7b5c75782273bf7f01f95ccf02e27adf7c237ed116c5b0f220c13e70fe0aa7cfc671

              • C:\Users\Admin\AppData\Local\d4f7be4f\tor\zlib1.dll
                Filesize

                52KB

                MD5

                add33041af894b67fe34e1dc819b7eb6

                SHA1

                6db46eb021855a587c95479422adcc774a272eeb

                SHA256

                8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

                SHA512

                bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

              • \Users\Admin\AppData\Local\d4f7be4f\tor\libgcc_s_sjlj-1.dll
                Filesize

                286KB

                MD5

                b0d98f7157d972190fe0759d4368d320

                SHA1

                5715a533621a2b642aad9616e603c6907d80efc4

                SHA256

                2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

                SHA512

                41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

              • \Users\Admin\AppData\Local\d4f7be4f\tor\libssl-1_1.dll
                Filesize

                439KB

                MD5

                c88826ac4bb879622e43ead5bdb95aeb

                SHA1

                87d29853649a86f0463bfd9ad887b85eedc21723

                SHA256

                c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

                SHA512

                f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

              • \Users\Admin\AppData\Local\d4f7be4f\tor\libssp-0.dll
                Filesize

                88KB

                MD5

                2c916456f503075f746c6ea649cf9539

                SHA1

                fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

                SHA256

                cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

                SHA512

                1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

              • \Users\Admin\AppData\Local\d4f7be4f\tor\libwinpthread-1.dll
                Filesize

                188KB

                MD5

                d407cc6d79a08039a6f4b50539e560b8

                SHA1

                21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

                SHA256

                92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

                SHA512

                378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

              • memory/1108-2501-0x0000000072860000-0x000000007289A000-memory.dmp
                Filesize

                232KB

              • memory/1108-2441-0x0000000000400000-0x0000000000BD8000-memory.dmp
                Filesize

                7.8MB

              • memory/1108-2616-0x0000000072F90000-0x0000000072FCA000-memory.dmp
                Filesize

                232KB

              • memory/1108-2444-0x0000000073B90000-0x0000000073BCA000-memory.dmp
                Filesize

                232KB

              • memory/1108-2510-0x0000000000400000-0x0000000000BD8000-memory.dmp
                Filesize

                7.8MB

              • memory/1108-2556-0x0000000073460000-0x000000007349A000-memory.dmp
                Filesize

                232KB

              • memory/1440-2603-0x0000000072FE0000-0x0000000073004000-memory.dmp
                Filesize

                144KB

              • memory/1440-2607-0x0000000072B70000-0x0000000072BF8000-memory.dmp
                Filesize

                544KB

              • memory/1440-2605-0x0000000072ED0000-0x0000000072FDA000-memory.dmp
                Filesize

                1.0MB

              • memory/1440-2613-0x0000000072C00000-0x0000000072ECF000-memory.dmp
                Filesize

                2.8MB

              • memory/1440-2600-0x0000000073C10000-0x0000000073C59000-memory.dmp
                Filesize

                292KB

              • memory/1440-2596-0x0000000073010000-0x00000000730DE000-memory.dmp
                Filesize

                824KB

              • memory/1440-2593-0x00000000730E0000-0x00000000731A8000-memory.dmp
                Filesize

                800KB

              • memory/1440-2592-0x0000000072C00000-0x0000000072ECF000-memory.dmp
                Filesize

                2.8MB

              • memory/1440-2590-0x0000000000300000-0x0000000000704000-memory.dmp
                Filesize

                4.0MB

              • memory/1440-2615-0x0000000073010000-0x00000000730DE000-memory.dmp
                Filesize

                824KB

              • memory/1440-2614-0x00000000730E0000-0x00000000731A8000-memory.dmp
                Filesize

                800KB

              • memory/1440-2612-0x0000000000300000-0x0000000000704000-memory.dmp
                Filesize

                4.0MB

              • memory/2872-8-0x0000000004BD0000-0x0000000004C52000-memory.dmp
                Filesize

                520KB

              • memory/2872-14-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-52-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-54-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-56-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-62-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-64-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-66-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-60-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-58-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-68-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-70-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-72-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-246-0x00000000051E0000-0x00000000051F0000-memory.dmp
                Filesize

                64KB

              • memory/2872-48-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-2442-0x00000000737A0000-0x0000000073E8E000-memory.dmp
                Filesize

                6.9MB

              • memory/2872-46-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-12-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-16-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-9-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-10-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-1-0x0000000000260000-0x0000000000968000-memory.dmp
                Filesize

                7.0MB

              • memory/2872-7-0x0000000007AD0000-0x0000000007FF0000-memory.dmp
                Filesize

                5.1MB

              • memory/2872-6-0x00000000737A0000-0x0000000073E8E000-memory.dmp
                Filesize

                6.9MB

              • memory/2872-5-0x00000000051B0000-0x00000000051BA000-memory.dmp
                Filesize

                40KB

              • memory/2872-4-0x00000000051E0000-0x00000000051F0000-memory.dmp
                Filesize

                64KB

              • memory/2872-18-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-20-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-22-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-50-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-24-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-3-0x0000000005210000-0x00000000052A2000-memory.dmp
                Filesize

                584KB

              • memory/2872-26-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-28-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-30-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-34-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-2-0x0000000005710000-0x0000000005C0E000-memory.dmp
                Filesize

                5.0MB

              • memory/2872-0-0x00000000737A0000-0x0000000073E8E000-memory.dmp
                Filesize

                6.9MB

              • memory/2872-44-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-32-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-38-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-36-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-40-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/2872-42-0x0000000004BD0000-0x0000000004C4C000-memory.dmp
                Filesize

                496KB

              • memory/3132-2478-0x0000000072FE0000-0x0000000073004000-memory.dmp
                Filesize

                144KB

              • memory/3132-2524-0x0000000001500000-0x0000000001588000-memory.dmp
                Filesize

                544KB

              • memory/3132-2523-0x0000000001500000-0x00000000017CF000-memory.dmp
                Filesize

                2.8MB

              • memory/3132-2522-0x0000000073010000-0x00000000730DE000-memory.dmp
                Filesize

                824KB

              • memory/3132-2521-0x00000000730E0000-0x00000000731A8000-memory.dmp
                Filesize

                800KB

              • memory/3132-2519-0x0000000000300000-0x0000000000704000-memory.dmp
                Filesize

                4.0MB

              • memory/3132-2486-0x0000000001500000-0x0000000001588000-memory.dmp
                Filesize

                544KB

              • memory/3132-2484-0x0000000072C00000-0x0000000072ECF000-memory.dmp
                Filesize

                2.8MB

              • memory/3132-2602-0x0000000000300000-0x0000000000704000-memory.dmp
                Filesize

                4.0MB

              • memory/3132-2485-0x0000000072B70000-0x0000000072BF8000-memory.dmp
                Filesize

                544KB

              • memory/3132-2483-0x0000000001500000-0x00000000017CF000-memory.dmp
                Filesize

                2.8MB

              • memory/3132-2479-0x0000000072ED0000-0x0000000072FDA000-memory.dmp
                Filesize

                1.0MB

              • memory/3132-2477-0x0000000073010000-0x00000000730DE000-memory.dmp
                Filesize

                824KB

              • memory/3132-2476-0x00000000730E0000-0x00000000731A8000-memory.dmp
                Filesize

                800KB

              • memory/3132-2475-0x0000000073C10000-0x0000000073C59000-memory.dmp
                Filesize

                292KB

              • memory/3132-2459-0x0000000000300000-0x0000000000704000-memory.dmp
                Filesize

                4.0MB