Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2024 22:41

General

  • Target

    GOLAYA-DEVOCHKA.exe

  • Size

    181KB

  • MD5

    c1eac9961bf688d75ec96b4d38eedfde

  • SHA1

    af7224a1329c61d9057496428cb95c7cebb3f584

  • SHA256

    de19911598a83d5b504cf7b4c24f5f6f8b68dcc6b72b8f79c3b2d353c93accfd

  • SHA512

    c0f76c82c57da5f52deafd3c7b6ec17dcf9653d4ac7f488645743cd61f43dcf196d6647fa6de2345c8ada61a03aeba2b73d9bdd7162689df0a816311ebc9e01a

  • SSDEEP

    3072:xBAp5XhKpN4eOyVTGfhEClj8jTk+0hUEQT3a3:0bXE9OiTGfhEClq9rEQo

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Drivers directory 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GOLAYA-DEVOCHKA.exe
    "C:\Users\Admin\AppData\Local\Temp\GOLAYA-DEVOCHKA.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\power inverters, radar\Tourism Whistler offers comprehensive\OnmywaytoHamburg.bat" "
      2⤵
      • Drops file in Drivers directory
      PID:804
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\power inverters, radar\Tourism Whistler offers comprehensive\all.vbs"
      2⤵
      • Blocklisted process makes network request
      • Drops file in Drivers directory
      PID:4712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\power inverters, radar\Tourism Whistler offers comprehensive\OnmywaytoHamburg.bat

    Filesize

    2KB

    MD5

    6dae3e7a8ec299860ea4ca69c3a03896

    SHA1

    32b43c32f05b1525ebd11339ad53da3b0b9404e9

    SHA256

    843673700074de749911e4b68daa38b8cabf9d300379cd3668c8e77e891cb94f

    SHA512

    1b210000eb2ddf955e99a845872297a52fb39853776818916f87da8bbf170d45f7f9f1ae72f2f3d97f3a8ff85ddeca36183bb65077259ddfb1ab92dc6cf6f559

  • C:\Program Files (x86)\power inverters, radar\Tourism Whistler offers comprehensive\all.vbs

    Filesize

    938B

    MD5

    f8c2225f1121b68e271a39a8565890d6

    SHA1

    a86e56dd4dcb1365e4ae1f82fb5adba401b0b785

    SHA256

    5ac006c7a6c545d091d4343bfb8b8dac6de9b1c3ef036041a95dfc1e4daccc4e

    SHA512

    5043e920becdda1b09f4bca98f85ea47652f91243071ea81d69bd23b11554c4bc32888555add549d71f53d0edb54249465662cb9ec25d7a4ff750d882184973c

  • C:\Program Files (x86)\power inverters, radar\Tourism Whistler offers comprehensive\planningandinforma.tion

    Filesize

    74B

    MD5

    e4de17733467b756874acd58408f91ce

    SHA1

    d565a19054a630b4e1c770c6448df88c97273642

    SHA256

    7e7fad021ec3258e61252983d4fb6da573233d4c94f146079ee545b65965456b

    SHA512

    7daa8a5b65d9c905f214cbe1f824e3408b5ca42302f1b534f54d0f0ecc5235a44e41b729a7e3283b93ac886831c809bbb8d989685e12a30c211577d9cb182d12

  • C:\Windows\System32\drivers\etc\hosts

    Filesize

    1KB

    MD5

    c0805e6fff9d30c65b91bc9284beac8e

    SHA1

    45456e27d6632159ed7e4403caa1a16721c3b603

    SHA256

    53f25ec3705be321e5d7c17acc6ea1aba6aae01e99223f97d97bcf288c5a8228

    SHA512

    34648a026528d9746f73d01f7600bf947fdee00ddf8525cb89338ebd9b51789f968a79b4c1671eeb96ac83f21788167980835cae8c0f86a550ff95bddfa3c2c3

  • memory/5072-37-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/5072-40-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB