Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2023 19:21

General

  • Target

    631b5eaf7f1cde808364a10d16638ba1fd1f0bcfbfa8100b3c3ded10c11fe7cb.exe

  • Size

    7.4MB

  • MD5

    9fb9fa81c7386f881964404f24375532

  • SHA1

    c1d1786f3020c27f05e2256da2caacf6f28c63f5

  • SHA256

    631b5eaf7f1cde808364a10d16638ba1fd1f0bcfbfa8100b3c3ded10c11fe7cb

  • SHA512

    848a725bb188682f6bb3c464c40da5fc10a92718d4636208c87c719464c1fb24d05a9ec28cb8d0933c8251a2f887097d0c358a26fa41dc624b9909368c4ac366

  • SSDEEP

    196608:8O5f05FNTCfLaGpBMyxmopvou4Pind6M0zV/STY:zsnhIbNkopvou4PIwzV/V

Malware Config

Signatures

  • Detects Echelon Stealer payload 4 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\631b5eaf7f1cde808364a10d16638ba1fd1f0bcfbfa8100b3c3ded10c11fe7cb.exe
    "C:\Users\Admin\AppData\Local\Temp\631b5eaf7f1cde808364a10d16638ba1fd1f0bcfbfa8100b3c3ded10c11fe7cb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Lucky_Fixed.exe
      "C:\Lucky_Fixed.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\ProgramData\Decoder.exe
        "C:\ProgramData\Decoder.exe"
        3⤵
        • Executes dropped EXE
        PID:2788
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Windows\system32\timeout.exe
          timeout 4
          4⤵
          • Delays execution with timeout.exe
          PID:316
    • C:\weave_loader.exe
      "C:\weave_loader.exe"
      2⤵
      • Executes dropped EXE
      PID:3552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Lucky_Fixed.exe

    Filesize

    1.3MB

    MD5

    77295bc75e23524cddb21282b9c31c9f

    SHA1

    616832b17fd5a1764d970afb9ce2d6a067d67682

    SHA256

    fa564a170c9309a420e5ebfbe9c5f0c1bd379c2d5008fede4c7b39af002dd723

    SHA512

    4cc40ee2909b0fb89c6e83d669f9299d739164c0cba2c5f3ac7cc1770ea3d918e1de52faabaf3c25e25e6830316ad3c683623702bfed60c3385cf50f576d9af1

  • C:\Lucky_Fixed.exe

    Filesize

    1.3MB

    MD5

    77295bc75e23524cddb21282b9c31c9f

    SHA1

    616832b17fd5a1764d970afb9ce2d6a067d67682

    SHA256

    fa564a170c9309a420e5ebfbe9c5f0c1bd379c2d5008fede4c7b39af002dd723

    SHA512

    4cc40ee2909b0fb89c6e83d669f9299d739164c0cba2c5f3ac7cc1770ea3d918e1de52faabaf3c25e25e6830316ad3c683623702bfed60c3385cf50f576d9af1

  • C:\Lucky_Fixed.exe

    Filesize

    1.3MB

    MD5

    77295bc75e23524cddb21282b9c31c9f

    SHA1

    616832b17fd5a1764d970afb9ce2d6a067d67682

    SHA256

    fa564a170c9309a420e5ebfbe9c5f0c1bd379c2d5008fede4c7b39af002dd723

    SHA512

    4cc40ee2909b0fb89c6e83d669f9299d739164c0cba2c5f3ac7cc1770ea3d918e1de52faabaf3c25e25e6830316ad3c683623702bfed60c3385cf50f576d9af1

  • C:\ProgramData\Decoder.exe

    Filesize

    270KB

    MD5

    de81e7651c6e62b4c7195ac2e6befbc0

    SHA1

    1f2dc517abf4b8a789ac4ef9d8c7d1a7f486fe32

    SHA256

    eef661cffbde254d5b9dba578e91f35cfc0a5fd4c6f25e959eef04ee948f1d5b

    SHA512

    3cde05ae78fcd5978cd15bf155f650997489c130cf73539b00c45eb36a5582af11e419efedb3f88cb7caca4691bc1f691b8e4e820276ced697fe82198c4f076b

  • C:\ProgramData\Decoder.exe

    Filesize

    270KB

    MD5

    de81e7651c6e62b4c7195ac2e6befbc0

    SHA1

    1f2dc517abf4b8a789ac4ef9d8c7d1a7f486fe32

    SHA256

    eef661cffbde254d5b9dba578e91f35cfc0a5fd4c6f25e959eef04ee948f1d5b

    SHA512

    3cde05ae78fcd5978cd15bf155f650997489c130cf73539b00c45eb36a5582af11e419efedb3f88cb7caca4691bc1f691b8e4e820276ced697fe82198c4f076b

  • C:\ProgramData\Decoder.exe

    Filesize

    270KB

    MD5

    de81e7651c6e62b4c7195ac2e6befbc0

    SHA1

    1f2dc517abf4b8a789ac4ef9d8c7d1a7f486fe32

    SHA256

    eef661cffbde254d5b9dba578e91f35cfc0a5fd4c6f25e959eef04ee948f1d5b

    SHA512

    3cde05ae78fcd5978cd15bf155f650997489c130cf73539b00c45eb36a5582af11e419efedb3f88cb7caca4691bc1f691b8e4e820276ced697fe82198c4f076b

  • C:\Users\Admin\AppData\Local\Temp\.cmd

    Filesize

    85B

    MD5

    73712247036b6a24d16502c57a3e5679

    SHA1

    65ca9edadb0773fc34db7dfefe9e6416f1ac17fa

    SHA256

    8bd49d7e7e6b2c2dc16a4cb0eebb8f28892775fad56c9e4aaa22d59f01883cd0

    SHA512

    548eef10b0118f7d907fa19c12de68b47278afffb3eb9460621efb2b711ebcf6b90d0ea1c077fc480e032bf241fb3f8cc995ec1373e301446f89f1a74a6309de

  • C:\Users\Admin\AppData\Local\Temp\HTZyBNVLwZwFNHRH078BFBFF000306D2C4481AD566\66078BFBFF000306D2C4481AD5HTZyBNVLwZwFNHRH\Browsers\Passwords\Passwords_Edge.txt

    Filesize

    426B

    MD5

    42fa959509b3ed7c94c0cf3728b03f6d

    SHA1

    661292176640beb0b38dc9e7a462518eb592d27d

    SHA256

    870ef3d2370932a8938faa60abd47d75ea0af98bfa11c82ae8efe9e94fd8be00

    SHA512

    7def291737d081c93d0cc38ac8d3062fd34d93b68d191eb0d54e9857e0c0afdbcd241471a2e10c28ce8db3b1d1ae0dba2ef6f609cfe8a1e8fe1dd103dba80007

  • C:\weave_loader.exe

    Filesize

    6.3MB

    MD5

    6d6190b3e248040a5db1bf08495f2fdf

    SHA1

    913411595a51e0b50a7429980bfcb0bd1d524885

    SHA256

    3ae19a5392609fc2a5fff6330d82a2d2938611ac1311ed11bd17168874ed6c08

    SHA512

    52ba95ceeebe241020bbf8ab214fadce5cbb2337a34080d1c9e519aaa7079294861966af1fccea801d5b418903e170bb51feb9b30d58c36e1c4c0d4bfb90ce7c

  • C:\weave_loader.exe

    Filesize

    6.3MB

    MD5

    6d6190b3e248040a5db1bf08495f2fdf

    SHA1

    913411595a51e0b50a7429980bfcb0bd1d524885

    SHA256

    3ae19a5392609fc2a5fff6330d82a2d2938611ac1311ed11bd17168874ed6c08

    SHA512

    52ba95ceeebe241020bbf8ab214fadce5cbb2337a34080d1c9e519aaa7079294861966af1fccea801d5b418903e170bb51feb9b30d58c36e1c4c0d4bfb90ce7c

  • C:\weave_loader.exe

    Filesize

    6.3MB

    MD5

    6d6190b3e248040a5db1bf08495f2fdf

    SHA1

    913411595a51e0b50a7429980bfcb0bd1d524885

    SHA256

    3ae19a5392609fc2a5fff6330d82a2d2938611ac1311ed11bd17168874ed6c08

    SHA512

    52ba95ceeebe241020bbf8ab214fadce5cbb2337a34080d1c9e519aaa7079294861966af1fccea801d5b418903e170bb51feb9b30d58c36e1c4c0d4bfb90ce7c

  • memory/2288-18-0x0000000000D60000-0x0000000000EAC000-memory.dmp

    Filesize

    1.3MB

  • memory/2288-23-0x000000001BB30000-0x000000001BB40000-memory.dmp

    Filesize

    64KB

  • memory/2288-24-0x000000001B9B0000-0x000000001BA26000-memory.dmp

    Filesize

    472KB

  • memory/2288-22-0x00007FFF7D9E0000-0x00007FFF7E4A1000-memory.dmp

    Filesize

    10.8MB

  • memory/2288-121-0x00007FFF7D9E0000-0x00007FFF7E4A1000-memory.dmp

    Filesize

    10.8MB

  • memory/2788-122-0x0000000073C00000-0x00000000743B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2788-123-0x00000000006C0000-0x000000000070A000-memory.dmp

    Filesize

    296KB

  • memory/2788-125-0x0000000073C00000-0x00000000743B0000-memory.dmp

    Filesize

    7.7MB