Analysis

  • max time kernel
    105s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-07-2024 01:00

General

  • Target

    28e3fb0f8918c048ca6a45a9757344f0N.exe

  • Size

    84KB

  • MD5

    28e3fb0f8918c048ca6a45a9757344f0

  • SHA1

    09123b83a573b68247bc685ff893eff057059fa8

  • SHA256

    4b644a0cbd0addb992f9fe65f22ef27f72e3a3e62e09f4640a02f981a2551c29

  • SHA512

    a575aaf011bf413f4d6ba64149f3a82beb933d2d7d96e403b4e269fcd85a1fdea4aed93f25adf55def98e14a26edc5fe02d46892e26c97f2ce8fcc76a5c04288

  • SSDEEP

    1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURV:JznH976dUCnuniDJ

Malware Config

Extracted

Family

urelas

C2

112.175.88.207

112.175.88.208

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\huter.exe
      "C:\Users\Admin\AppData\Local\Temp\huter.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5020
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    512B

    MD5

    a01dba4c45102fc15292fd5591166536

    SHA1

    d96191c30e0f09439d8547f4ededbf6726ccd54b

    SHA256

    cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904

    SHA512

    277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

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

    Filesize

    84KB

    MD5

    8d2b763cb996b36665ba69fd9f28a66c

    SHA1

    7a577fb2264a1828acadc8adf2a44b181b55357d

    SHA256

    bd30916c5612618253882aa9a26dccbb0fe583f360e1b4cfd5f9cd36deb3a541

    SHA512

    22cdf8ea438e3fee7598ff947940286a2f2da759e796ce62759f1a06a9bcbcf7ccbc5570866533fa363c110359347d44e98c5a6a15d62b3bef7ce8552f7ed116

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

    Filesize

    276B

    MD5

    781ea12e9401bfcfe3102c74466e1782

    SHA1

    73df23cdb01e1345be2a8ddc1290dab4c0985af6

    SHA256

    e9a894896bc9a820d7759f593cae26dbe3769e21a1cccdbeea95ce826b34db48

    SHA512

    9008c1f2538ef9c38847429255067ee06208fc8de0a144b436a87da68e24576d05865b33017f2893e6a68d3887bd23255774f9d4b19b370a80e2d9770ec09e2d

  • memory/5020-14-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/5020-20-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/5020-22-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/5020-28-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/5056-0-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/5056-17-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB