Analysis

  • max time kernel
    89s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 12:53

General

  • Target

    e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe

  • Size

    51KB

  • MD5

    661a249cf780d55198ae7370d5a3d350

  • SHA1

    6281c61e873f5ab5b8646518000b22ee49e8beb1

  • SHA256

    e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461

  • SHA512

    6913c2a82b5f58dcbac78bcd2f4aee98b5ad6f302cfffc03b04bc6621f3aff60bab61927e9ee58335f00a0739b9b913c48316224dbdb0d0ab9d0d206fd89ff15

  • SSDEEP

    1536:lVeVFl6sRsDnQi1Mek/pFRMfKaP7cFwQkXuJXqmrh:v23sD1vSP6cOYXqmF

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Urelas family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe
    "C:\Users\Admin\AppData\Local\Temp\e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2360
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

    Filesize

    512B

    MD5

    7c1d9e0f564b1e893792dcef5f902a27

    SHA1

    f8ff96c98d41f1ce0a31d78f56796284c5e47e3d

    SHA256

    c0b7315aed511cab0685b0bbbcfa2cb7f3e9c36e58f6d7f1576fad807800add7

    SHA512

    ef6a5eccec808909c7317359908b6cb46e8e074aff903114988b00a237180606257545bd36e5cea9521b13ba19923cd768a3d701f7fdf391a4bd41cdec606fba

  • C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

    Filesize

    340B

    MD5

    dd8d00d4eccc94e245d82b00239968bb

    SHA1

    8e8edf4d88b36426a2af00abb964745c8a96b030

    SHA256

    f78fa0f12b4fdf01bd30c47ed0a90493cf120ab17ce7b4bc250858257427e01a

    SHA512

    32db765ac1ef1a18092ab2b09ed1c71db05914b2523058a266967e56a3c2b8f73084aef7abc7f6089023bd755e926ba286465795b22341283285e5113fcc963e

  • \Users\Admin\AppData\Local\Temp\biudfw.exe

    Filesize

    51KB

    MD5

    687120e8c534b6c235700e3bdbf641e2

    SHA1

    268e4772bd4f8bc638e3377d1237532004184847

    SHA256

    efe41b0e07bb6e0bce775265557743efe2de97b46c7fa38e6fb5e1bc7d238dbb

    SHA512

    39893c8a1570430c58d5f53ffd7b521bf1cc07403d63aaaf4625551d75d195595138fffcadf10a58319412ca47ce3f532717527d8a206bf76348c07d2d34dcd4

  • memory/1224-0-0x0000000001340000-0x0000000001368000-memory.dmp

    Filesize

    160KB

  • memory/1224-1-0x0000000000020000-0x0000000000022000-memory.dmp

    Filesize

    8KB

  • memory/1224-6-0x0000000000450000-0x0000000000478000-memory.dmp

    Filesize

    160KB

  • memory/1224-20-0x0000000001340000-0x0000000001368000-memory.dmp

    Filesize

    160KB

  • memory/2360-13-0x0000000000020000-0x0000000000022000-memory.dmp

    Filesize

    8KB

  • memory/2360-11-0x0000000000220000-0x0000000000248000-memory.dmp

    Filesize

    160KB

  • memory/2360-23-0x0000000000220000-0x0000000000248000-memory.dmp

    Filesize

    160KB

  • memory/2360-25-0x0000000000220000-0x0000000000248000-memory.dmp

    Filesize

    160KB

  • memory/2360-32-0x0000000000220000-0x0000000000248000-memory.dmp

    Filesize

    160KB