Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-03-2024 10:04

General

  • Target

    9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe

  • Size

    1.9MB

  • MD5

    980a898044b5c05897ad316af3dbb649

  • SHA1

    e5d918cd514c9ddb8a0d35a82d9f06b0fa397b02

  • SHA256

    9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f

  • SHA512

    811614270e3ff091f746d2ec1647f567bab16126afc5ce3369be11c37bc2dd7167d4f82ef2b1dd09a16bcf945133f6726085e37ca395f32f5fb3e0756eccbeee

  • SSDEEP

    49152:SYZ3mkdDaNr+L3Y7nHrrtCKRjSer2pQAWRaCQ+:LZ37YNr+Lo7HVhLZQ+

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

redline

Botnet

LiveTraffic

C2

4.185.137.132:1632

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect ZGRat V1 2 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe
    "C:\Users\Admin\AppData\Local\Temp\9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    PID:772
  • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:3288
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\271347359027_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3968
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:4784
      • C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe
        "C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
            PID:3496
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
              PID:4552

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

          Filesize

          1.9MB

          MD5

          980a898044b5c05897ad316af3dbb649

          SHA1

          e5d918cd514c9ddb8a0d35a82d9f06b0fa397b02

          SHA256

          9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f

          SHA512

          811614270e3ff091f746d2ec1647f567bab16126afc5ce3369be11c37bc2dd7167d4f82ef2b1dd09a16bcf945133f6726085e37ca395f32f5fb3e0756eccbeee

        • C:\Users\Admin\AppData\Local\Temp\1000836001\osminog.exe

          Filesize

          320KB

          MD5

          7d776280646700e6ebe32a4d16916828

          SHA1

          fd5df64ccf21b71bd2f7e88a4a4e09218e7453d3

          SHA256

          82de24401b4c5ab85beb40d31ff0fb9f586caf316c027742b08e8188368df1a3

          SHA512

          1547080f4281a891fdabdcedde18b0eb8f8985628e3344058927a7c34b8ea279f64cb369e4c150a37a51f63b4edf13e08509f5e73dbf696117b2e75d256288cd

        • C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe

          Filesize

          464KB

          MD5

          c084d6f6ba40534fbfc5a64b21ef99ab

          SHA1

          0b4a17da83c0a8abbc8fab321931d5447b32b720

          SHA256

          afd83290a2adb219c3f1b8fbf23c27b0994fe76dfbb7dc0b416530dc0e21f624

          SHA512

          a5384a2f7029cf946fde44e1ff30775754ce525ca5a6fdac14184872b6e684cb6e585053cb86d32f82cbd3db48eb195ba3a642d8ee3774be579fccd993938ca1

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r4vomcsv.2kv.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll

          Filesize

          109KB

          MD5

          2afdbe3b99a4736083066a13e4b5d11a

          SHA1

          4d4856cf02b3123ac16e63d4a448cdbcb1633546

          SHA256

          8d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee

          SHA512

          d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f

        • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll

          Filesize

          1.2MB

          MD5

          92fbdfccf6a63acef2743631d16652a7

          SHA1

          971968b1378dd89d59d7f84bf92f16fc68664506

          SHA256

          b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72

          SHA512

          b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117

        • memory/772-9-0x0000000005850000-0x0000000005851000-memory.dmp

          Filesize

          4KB

        • memory/772-4-0x00000000057F0000-0x00000000057F1000-memory.dmp

          Filesize

          4KB

        • memory/772-8-0x0000000005810000-0x0000000005811000-memory.dmp

          Filesize

          4KB

        • memory/772-6-0x00000000057D0000-0x00000000057D1000-memory.dmp

          Filesize

          4KB

        • memory/772-14-0x0000000000D50000-0x0000000001228000-memory.dmp

          Filesize

          4.8MB

        • memory/772-5-0x0000000005830000-0x0000000005831000-memory.dmp

          Filesize

          4KB

        • memory/772-1-0x00000000779C6000-0x00000000779C8000-memory.dmp

          Filesize

          8KB

        • memory/772-2-0x0000000000D50000-0x0000000001228000-memory.dmp

          Filesize

          4.8MB

        • memory/772-7-0x00000000057E0000-0x00000000057E1000-memory.dmp

          Filesize

          4KB

        • memory/772-0-0x0000000000D50000-0x0000000001228000-memory.dmp

          Filesize

          4.8MB

        • memory/772-3-0x0000000005800000-0x0000000005801000-memory.dmp

          Filesize

          4KB

        • memory/1820-19-0x0000000005790000-0x0000000005791000-memory.dmp

          Filesize

          4KB

        • memory/1820-31-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-24-0x00000000057A0000-0x00000000057A1000-memory.dmp

          Filesize

          4KB

        • memory/1820-25-0x00000000057F0000-0x00000000057F1000-memory.dmp

          Filesize

          4KB

        • memory/1820-26-0x00000000057E0000-0x00000000057E1000-memory.dmp

          Filesize

          4KB

        • memory/1820-27-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-28-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-29-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-30-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-23-0x0000000005770000-0x0000000005771000-memory.dmp

          Filesize

          4KB

        • memory/1820-22-0x0000000005760000-0x0000000005761000-memory.dmp

          Filesize

          4KB

        • memory/1820-20-0x0000000005780000-0x0000000005781000-memory.dmp

          Filesize

          4KB

        • memory/1820-135-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-132-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-21-0x00000000057C0000-0x00000000057C1000-memory.dmp

          Filesize

          4KB

        • memory/1820-18-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-92-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-17-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-76-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/1820-64-0x0000000000CE0000-0x00000000011B8000-memory.dmp

          Filesize

          4.8MB

        • memory/2328-121-0x0000000002E50000-0x0000000004E50000-memory.dmp

          Filesize

          32.0MB

        • memory/2328-122-0x00000000730D0000-0x0000000073881000-memory.dmp

          Filesize

          7.7MB

        • memory/2328-112-0x0000000000840000-0x00000000008BA000-memory.dmp

          Filesize

          488KB

        • memory/2328-113-0x00000000730D0000-0x0000000073881000-memory.dmp

          Filesize

          7.7MB

        • memory/2328-114-0x00000000052E0000-0x00000000052F0000-memory.dmp

          Filesize

          64KB

        • memory/3968-57-0x000002297C6A0000-0x000002297C6AA000-memory.dmp

          Filesize

          40KB

        • memory/3968-56-0x000002297C920000-0x000002297C932000-memory.dmp

          Filesize

          72KB

        • memory/3968-55-0x000002297C2F0000-0x000002297C300000-memory.dmp

          Filesize

          64KB

        • memory/3968-52-0x000002297C430000-0x000002297C452000-memory.dmp

          Filesize

          136KB

        • memory/3968-54-0x000002297C2F0000-0x000002297C300000-memory.dmp

          Filesize

          64KB

        • memory/3968-53-0x00007FFFB11C0000-0x00007FFFB1C82000-memory.dmp

          Filesize

          10.8MB

        • memory/3968-63-0x00007FFFB11C0000-0x00007FFFB1C82000-memory.dmp

          Filesize

          10.8MB

        • memory/4552-124-0x00000000730D0000-0x0000000073881000-memory.dmp

          Filesize

          7.7MB

        • memory/4552-123-0x0000000005580000-0x0000000005612000-memory.dmp

          Filesize

          584KB

        • memory/4552-125-0x0000000005620000-0x000000000562A000-memory.dmp

          Filesize

          40KB

        • memory/4552-126-0x00000000056E0000-0x00000000056F0000-memory.dmp

          Filesize

          64KB

        • memory/4552-127-0x0000000006B60000-0x0000000007178000-memory.dmp

          Filesize

          6.1MB

        • memory/4552-128-0x0000000008320000-0x000000000842A000-memory.dmp

          Filesize

          1.0MB

        • memory/4552-129-0x0000000006A50000-0x0000000006A62000-memory.dmp

          Filesize

          72KB

        • memory/4552-130-0x0000000006AB0000-0x0000000006AEC000-memory.dmp

          Filesize

          240KB

        • memory/4552-131-0x0000000006B00000-0x0000000006B4C000-memory.dmp

          Filesize

          304KB

        • memory/4552-120-0x0000000005A90000-0x0000000006036000-memory.dmp

          Filesize

          5.6MB

        • memory/4552-133-0x0000000008CC0000-0x0000000008D26000-memory.dmp

          Filesize

          408KB

        • memory/4552-134-0x0000000008FC0000-0x0000000009010000-memory.dmp

          Filesize

          320KB

        • memory/4552-117-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB