Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 14:41

General

  • Target

    6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe

  • Size

    287KB

  • MD5

    da93eaa1ced6f1b2cebba50e26071d67

  • SHA1

    4b5c0d50b73fc44f136b3e01bb0425d1e10894e1

  • SHA256

    6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b

  • SHA512

    577c4735f9464b0ef2c8d0acff668f727aff30b37401d92bf15be1b5e45278ebbc70e6bdfa217b5fa009d62bdb839abe3004eb3e73d67f66ed1923e27e8a17dd

  • SSDEEP

    6144:vf0WBaLjBbjftxoSpj/ZQUWvYqDUbsbX6EdK77RXW7VGwrLO8O7+:vMJj9/oSFWUWvXbX5g7pW7JB

Malware Config

Extracted

Family

urelas

C2

121.88.5.183

218.54.30.235

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Urelas family
  • 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 6 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\6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe
    "C:\Users\Admin\AppData\Local\Temp\6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\sander.exe
      "C:\Users\Admin\AppData\Local\Temp\sander.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4556
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    341B

    MD5

    043eb9fa0431ab58f921ec0c05747bb2

    SHA1

    afa592fd022390dfe4e56e3294dcc946318dae2e

    SHA256

    d819ef7bef66fa2b987ae83a108ca8e5cf2caacf489d500ee48b9f4e3e5ba04f

    SHA512

    0973278b521ee5541ce0f7145b90162926f02798a7660d123ab727eba6f65cf47e2def52e1408178014800cdfd30b156c87431caf24b418867039bcd2f5909ff

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

    Filesize

    512B

    MD5

    c7c76dea547f2562c2a20d650e166582

    SHA1

    31c402fc0ac529e367327b075d2b7ef914896d9e

    SHA256

    0fdb7f65bd7be2c3d7cce8d13f51572b3809042a6dc0051fdbfb945851a5e9cb

    SHA512

    b006e74309e1f0370f65e1429d02a8040caddc668db9bfcec01c3793a1e05ef2df4266c97a8eba099966b8b59e24c2eaa087a094ff0bdd8d58af4e8bc9a3834d

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

    Filesize

    287KB

    MD5

    649c7e759749606629a1a8d94985aab3

    SHA1

    7ac1ad8f9840604e511d3c80cf44a0c3af0890fe

    SHA256

    9ea55f1a3de866c17feb768b005d78a4732c5f7c58f402a677c8584f5210d462

    SHA512

    005b481670ecbb0f1c1e363a95cc9b63815dc1a791e31488dcf5b83bca02fd09366d3a450e5bac9a05f2dfe06b5ddebdf2bd22596d75750f429509487a3baa58

  • memory/1808-0-0x0000000000340000-0x00000000003DC000-memory.dmp

    Filesize

    624KB

  • memory/1808-15-0x0000000000340000-0x00000000003DC000-memory.dmp

    Filesize

    624KB

  • memory/4556-10-0x0000000000A50000-0x0000000000AEC000-memory.dmp

    Filesize

    624KB

  • memory/4556-18-0x0000000000A50000-0x0000000000AEC000-memory.dmp

    Filesize

    624KB

  • memory/4556-24-0x0000000000A50000-0x0000000000AEC000-memory.dmp

    Filesize

    624KB