Analysis

  • max time kernel
    43s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    08-02-2023 20:01

General

  • Target

    Rechnungen-2022.exe

  • Size

    616KB

  • MD5

    59ac1cfddea69fa213b747faad3f0f62

  • SHA1

    a7a2a21106b999828444ad16265ff339a2775f99

  • SHA256

    67fc25f92a3074fe21704051a8aa72d438d5a06030cc7630db7e95953a998c90

  • SHA512

    856534b24f4b0ae0a29a8ed740048b321e15593fed0cdf98bc816d04656e2b5d89042859342e52682e3817d9a9ec825fdda2c3502bc19781295fd40498aab368

  • SSDEEP

    12288:lbif/mHZzu6uhuQgRN6Zuj90Z2upnDgy/HE0P3Q8x78IV7tc4NCp:Rif/mHZzutuQgHt90TnDgck0ILI1tco0

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rechnungen-2022.exe
    "C:\Users\Admin\AppData\Local\Temp\Rechnungen-2022.exe"
    1⤵
    • Loads dropped DLL
    PID:1284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsy20DC.tmp\System.dll

    Filesize

    11KB

    MD5

    0ff2d70cfdc8095ea99ca2dabbec3cd7

    SHA1

    10c51496d37cecd0e8a503a5a9bb2329d9b38116

    SHA256

    982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b

    SHA512

    cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e

  • memory/1284-54-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/1284-56-0x0000000002430000-0x000000000307A000-memory.dmp

    Filesize

    12.3MB