Resubmissions

29-03-2024 14:25

240329-rrdgpsad9y

Analysis

  • max time kernel
    1798s
  • max time network
    1803s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 17:48

General

  • Target

    7ef012907eb337ad94d0635a9d1a1dd64ccb32b5c193a5bb732eee3dd22013da.exe

  • Size

    1.9MB

  • MD5

    864674e8be395eb28bb181184add5c01

  • SHA1

    79bb9c0ae54bf8572328af06b6576327bd0a386c

  • SHA256

    7ef012907eb337ad94d0635a9d1a1dd64ccb32b5c193a5bb732eee3dd22013da

  • SHA512

    7f85146e5cca26f5a388aeea88cf9d86819aed6e240c3b94569967a2074654327e531be66f1335f9fa0790f13844c65315a3020d0e9c6bdce40c3605164abc25

  • SSDEEP

    49152:EJ8NNvupgJi+RYYhQx/QAfi4oxa03C+v7sOh9yPQtE:Xvu+RIx/QAfiTY03C+z/yP

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

Signatures

  • Amadey

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

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ef012907eb337ad94d0635a9d1a1dd64ccb32b5c193a5bb732eee3dd22013da.exe
    "C:\Users\Admin\AppData\Local\Temp\7ef012907eb337ad94d0635a9d1a1dd64ccb32b5c193a5bb732eee3dd22013da.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:1600
  • 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
    • Checks computer location settings
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3568
    • 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:2912
      • 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:4640
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:4748
          • 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\808065738166_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3972
      • 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:2360
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2188
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3832 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3736

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Defense Evasion

        Virtualization/Sandbox Evasion

        2
        T1497

        Credential Access

        Unsecured Credentials

        3
        T1552

        Credentials In Files

        2
        T1552.001

        Credentials in Registry

        1
        T1552.002

        Discovery

        Query Registry

        4
        T1012

        Virtualization/Sandbox Evasion

        2
        T1497

        System Information Discovery

        3
        T1082

        Collection

        Data from Local System

        3
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          1.9MB

          MD5

          864674e8be395eb28bb181184add5c01

          SHA1

          79bb9c0ae54bf8572328af06b6576327bd0a386c

          SHA256

          7ef012907eb337ad94d0635a9d1a1dd64ccb32b5c193a5bb732eee3dd22013da

          SHA512

          7f85146e5cca26f5a388aeea88cf9d86819aed6e240c3b94569967a2074654327e531be66f1335f9fa0790f13844c65315a3020d0e9c6bdce40c3605164abc25

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qaxlbemi.mdj.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/1600-0-0x00000000005F0000-0x0000000000AC8000-memory.dmp
          Filesize

          4.8MB

        • memory/1600-1-0x00000000778E4000-0x00000000778E6000-memory.dmp
          Filesize

          8KB

        • memory/1600-2-0x00000000005F0000-0x0000000000AC8000-memory.dmp
          Filesize

          4.8MB

        • memory/1600-4-0x0000000005090000-0x0000000005091000-memory.dmp
          Filesize

          4KB

        • memory/1600-3-0x0000000005080000-0x0000000005081000-memory.dmp
          Filesize

          4KB

        • memory/1600-5-0x0000000005070000-0x0000000005071000-memory.dmp
          Filesize

          4KB

        • memory/1600-7-0x0000000005050000-0x0000000005051000-memory.dmp
          Filesize

          4KB

        • memory/1600-8-0x0000000005060000-0x0000000005061000-memory.dmp
          Filesize

          4KB

        • memory/1600-6-0x00000000050C0000-0x00000000050C1000-memory.dmp
          Filesize

          4KB

        • memory/1600-9-0x00000000050B0000-0x00000000050B1000-memory.dmp
          Filesize

          4KB

        • memory/1600-10-0x00000000050E0000-0x00000000050E1000-memory.dmp
          Filesize

          4KB

        • memory/1600-11-0x00000000050D0000-0x00000000050D1000-memory.dmp
          Filesize

          4KB

        • memory/1600-12-0x00000000005F0000-0x0000000000AC8000-memory.dmp
          Filesize

          4.8MB

        • memory/1600-17-0x00000000005F0000-0x0000000000AC8000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-89-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-100-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-22-0x00000000051D0000-0x00000000051D1000-memory.dmp
          Filesize

          4KB

        • memory/3568-23-0x00000000051E0000-0x00000000051E1000-memory.dmp
          Filesize

          4KB

        • memory/3568-25-0x0000000005210000-0x0000000005211000-memory.dmp
          Filesize

          4KB

        • memory/3568-24-0x00000000051C0000-0x00000000051C1000-memory.dmp
          Filesize

          4KB

        • memory/3568-26-0x00000000051A0000-0x00000000051A1000-memory.dmp
          Filesize

          4KB

        • memory/3568-27-0x00000000051B0000-0x00000000051B1000-memory.dmp
          Filesize

          4KB

        • memory/3568-28-0x0000000005200000-0x0000000005201000-memory.dmp
          Filesize

          4KB

        • memory/3568-29-0x0000000005230000-0x0000000005231000-memory.dmp
          Filesize

          4KB

        • memory/3568-30-0x0000000005220000-0x0000000005221000-memory.dmp
          Filesize

          4KB

        • memory/3568-31-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-32-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-33-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-67-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-137-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-136-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-135-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-134-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-133-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-79-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-80-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-81-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-82-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-83-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-84-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-85-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-86-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-87-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-88-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-20-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-90-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-91-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-92-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-93-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-94-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-95-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-96-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-97-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-98-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-99-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-21-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-101-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-102-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-103-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-104-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-105-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-106-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-107-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-108-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-109-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-110-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-111-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-112-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-113-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-114-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-115-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-116-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-117-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-118-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-119-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-120-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-121-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-122-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-123-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-124-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-125-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-126-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-127-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-128-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-129-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-130-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-131-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3568-132-0x0000000000890000-0x0000000000D68000-memory.dmp
          Filesize

          4.8MB

        • memory/3972-59-0x0000028FBAEB0000-0x0000028FBAEC2000-memory.dmp
          Filesize

          72KB

        • memory/3972-57-0x0000028FA2770000-0x0000028FA2792000-memory.dmp
          Filesize

          136KB

        • memory/3972-58-0x0000028FBAD10000-0x0000028FBAD20000-memory.dmp
          Filesize

          64KB

        • memory/3972-56-0x0000028FBAD10000-0x0000028FBAD20000-memory.dmp
          Filesize

          64KB

        • memory/3972-55-0x00007FFAE7A00000-0x00007FFAE84C1000-memory.dmp
          Filesize

          10.8MB

        • memory/3972-60-0x0000028FA27A0000-0x0000028FA27AA000-memory.dmp
          Filesize

          40KB

        • memory/3972-66-0x00007FFAE7A00000-0x00007FFAE84C1000-memory.dmp
          Filesize

          10.8MB