Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-01-2024 09:44

General

  • Target

    6512ee54cb87daf804d1d337785c947e.exe

  • Size

    1.5MB

  • MD5

    6512ee54cb87daf804d1d337785c947e

  • SHA1

    6e29351ed23c4b14d731a36c789e08cea5f8eb5e

  • SHA256

    fe2a40f78f2acb54fb1675bbe256de830d9c78ff813818d7335b98ce8b2bb3e6

  • SHA512

    a7725fee1f1a90fe6b0571cf293b028f4128ac5baf62f64cc3b6ba20d7c412437918096c86b005411bb922b42f020c393980965f0ec7c16b000a8e0773da96b7

  • SSDEEP

    24576:+DWHSb4Nc0yPFtkTb67tzzM9DvVIJV1rliDpL9Dh7qd2P69EuKA+R:t846kKzzKVIJ5+pLTpP699Kn

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 3 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 8 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6512ee54cb87daf804d1d337785c947e.exe
    "C:\Users\Admin\AppData\Local\Temp\6512ee54cb87daf804d1d337785c947e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe
      "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe
        "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3640
        • C:\Users\Admin\AppData\Local\Temp\Crypt.exe
          "C:\Users\Admin\AppData\Local\Temp\Crypt.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Crypt.exe

    Filesize

    334KB

    MD5

    4cbb821230d32f767f6c1cb949f1d344

    SHA1

    70adb916e3b4a76760d8bd48ad375fd28f8e494c

    SHA256

    41b98c4a24bdf7c78e0b960063ceba41b0be1a4660f2a60f29d51f17fe1fdcb6

    SHA512

    45bd11261230e6d60f481324be9391169b2282954572c14d59cffee5f3f73f965bd8ffa2176d2b2979e3e41d5fa5d2b00c5210e6dd67544a34bf512ef2670847

  • C:\Users\Admin\AppData\Local\Temp\Crypt.exe

    Filesize

    323KB

    MD5

    171f19203ccc242d472aeb45cc74fdd9

    SHA1

    9a20bdaa55c11186e5239f09136c932f8b74f021

    SHA256

    91457babb965c37923de89fbdc2d26b719b9823aeb56f9dc63e9a2b611da5485

    SHA512

    f22efc315e04820b0b8bfd996e5e07695d067273edec0148fa3b6e451e89dcfd4b9c326a66fd5fd5803ec1bd90ba63869e6269f90940aa1dcc248552b2736aa2

  • C:\Users\Admin\AppData\Local\Temp\Crypt.exe

    Filesize

    422KB

    MD5

    382d187d2cbbdf37a4032bf80cc97a47

    SHA1

    640c5a58560b2cafd9b813de5e20d9be77954fd0

    SHA256

    c61b403de33d5d9f57faa1a13450eb205688406004315c59aac25677aa1e7357

    SHA512

    9c5deb526c46b15bd944b085d9f3e8fdb6415ca5df101f6242c4ceea150ebe2c71867ce33ff5c248e823cc1f02b0282571bae91b075d0a115eab62dfb7eb3c6f

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe

    Filesize

    581KB

    MD5

    4b96c037ba3272a9299a794fbbfaad68

    SHA1

    056bb237b9a6890c008fb251676733a46f9aeee6

    SHA256

    cf83d1e1d14f913fa871bacd4b76a61b72b4cd6600183fa961c4021818f4ac35

    SHA512

    eab32a90a2b185c0715f5aecad6cd4e66f7ddfb4ee530275f39aecf1344afe782aa8130883a1a42003be038c3b35eb1a6a604ffecbfb1bd1a06ef5eeafb1fb1d

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe

    Filesize

    534KB

    MD5

    3b814ad62b88fff000d007357c65f015

    SHA1

    45fa085374ff146b3e3461d4d7712b7e24464934

    SHA256

    2c81e4a2dd90c11dc78c765656a2d256d9a76d1cf75f55336d65b5cf88faa5f7

    SHA512

    7b77a704e995e68e6f3180bb6efd483fc42bfe7aa639097c31062dc866a18a0483006f8411ad380988874415acd448ff7dc92bfcf93ba0f2fe569bc4649cb529

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe

    Filesize

    462KB

    MD5

    f9513df82be4d920436d703edd435246

    SHA1

    ae7e730ba783eb7de776d5936d0cb706a339b110

    SHA256

    0d702a6941da11dc3e48db09f1ddc84fcae169cb8986a36f427009f8080e6b72

    SHA512

    80e1bd6c3272fd0e8123e387daf6ec184b8105698bd4da8ed56736c79dfdc21b8103c4c3a1aa8dfe6fc94fa5bb702b12fbf43d85a68367ad29335b761a827825

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe

    Filesize

    85KB

    MD5

    63cb634d14a2318018fa3f186bbfa692

    SHA1

    9081829a9ea67579ea567e05ecabfa2d82f24b2c

    SHA256

    b315a7f9863bb4bfe58714d90e2de236f471ff96af7ff18df36a225e1da73731

    SHA512

    8a08dadea1b5debe29c5b108c98c74a3d0a447641062989649252319df28802d3332b0bf67691cd0b30c4641408f5a16bebbdd9928bfb52d0370ef9cbaaec792

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe

    Filesize

    494KB

    MD5

    233882319f664d7812b91b7a77e7d520

    SHA1

    8c1ca48f4a6169796940967cb6963fa151620246

    SHA256

    ad3a783913c416a3939d73881f2b1493580960994efb9bf97168d4cd21a6f9c2

    SHA512

    39247542254c3f61343c036c27bf1f8717768dcbcf06966faa670b1f1c1c4f93d26c8a692d83d13295c7d34fc6387923d5a35f0f26bd1b1791bb3ded392d7597

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe

    Filesize

    119KB

    MD5

    e486b603767b039dcebfd10b14884a18

    SHA1

    0793e2ba0f6976be513fbe41a5498347e84c7fb2

    SHA256

    589186b09ff62fb832351882cb90f56a2eb678803046d99a7580566ddd500e6f

    SHA512

    e1269f9c5b0b07f1acd4c758a7d889ad1c0c1ee6a2d8cda82aa7e13f1e8e8fa025e145e484b20e646077120730a3d34bd520e49161e98bad78ce4c47ef551539

  • memory/2652-67-0x00007FFA64190000-0x00007FFA64C51000-memory.dmp

    Filesize

    10.8MB

  • memory/2652-40-0x000001BA9A230000-0x000001BA9A2A6000-memory.dmp

    Filesize

    472KB

  • memory/2652-37-0x00007FFA64190000-0x00007FFA64C51000-memory.dmp

    Filesize

    10.8MB

  • memory/2652-35-0x000001BAFF3C0000-0x000001BAFF586000-memory.dmp

    Filesize

    1.8MB

  • memory/2652-39-0x000001BA819F0000-0x000001BA81A00000-memory.dmp

    Filesize

    64KB

  • memory/3640-20-0x0000000000B30000-0x0000000000D30000-memory.dmp

    Filesize

    2.0MB

  • memory/3640-38-0x00007FFA64190000-0x00007FFA64C51000-memory.dmp

    Filesize

    10.8MB

  • memory/3640-22-0x00000000014C0000-0x00000000014C1000-memory.dmp

    Filesize

    4KB

  • memory/3640-23-0x000000001BB00000-0x000000001BB10000-memory.dmp

    Filesize

    64KB

  • memory/3640-21-0x00007FFA64190000-0x00007FFA64C51000-memory.dmp

    Filesize

    10.8MB