Analysis

  • max time kernel
    119s
  • 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
    19-11-2024 16:07

General

  • Target

    44128ee9635eb21323cf8fcc8aa08ded62186bc4da07687915ccf20afa6aaf5c.exe

  • Size

    660KB

  • MD5

    a6266879bf0a44e874cd31d192bdf5f6

  • SHA1

    9de67ceec7bdf912b1d798fbd19420529e379625

  • SHA256

    44128ee9635eb21323cf8fcc8aa08ded62186bc4da07687915ccf20afa6aaf5c

  • SHA512

    d242b534f687127566973a8cb9357ae906d43f3b03b99e6127bb174ef1a1ad98b496a5a1d6cd3d64d294aad62bdbef7bcb6a3fe4ed1eed1d57342d8bd0b85244

  • SSDEEP

    6144:O1xBWeMRygxDLbHxlSBxzJn1REBB6q1gBFJV6AvRqsf6YU+FM+3Yn/fCXjQGDqL+:Ol3MQIDKJzTq+Xxvo0U+d3s/fCX0Y

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 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 14 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44128ee9635eb21323cf8fcc8aa08ded62186bc4da07687915ccf20afa6aaf5c.exe
    "C:\Users\Admin\AppData\Local\Temp\44128ee9635eb21323cf8fcc8aa08ded62186bc4da07687915ccf20afa6aaf5c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Users\Admin\AppData\Local\Temp\xafeo.exe
      "C:\Users\Admin\AppData\Local\Temp\xafeo.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4992
      • C:\Users\Admin\AppData\Local\Temp\bixyb.exe
        "C:\Users\Admin\AppData\Local\Temp\bixyb.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4320
    • 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:5024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    341B

    MD5

    b23e7f2f3c58c3d21b81b382cba96da4

    SHA1

    780679cc0d062f165ac6ef06869f105c70675291

    SHA256

    96d14de4bb9c7ddf259885a0f6d3f22a37c193ed453824e0048d81f5cda23f2d

    SHA512

    e212967f932797035c0e48efa1d4fb0441304e1f074367ddfd20f2d404224f5729d7fde5feb54076fb1940674c381ed16a89df04bb20d170df2f881b78ec9b24

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

    Filesize

    243KB

    MD5

    5fd21fd2f243f8128684a3bd7aadf682

    SHA1

    9bbaa008964c7db7b8b91bee9815891fda3828dc

    SHA256

    481b648b273de5e7bac22d335fba46ad4409d3fa8b88f7e7ddd9786d8f62e5ba

    SHA512

    2f067472e87416c7b344d125ef38ff62cdd6c830bd19e2c40c6bcabde669c9d7ccf669ee9407b57de229dda4ece396ad176707b95b99da980637699f7e294d6b

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

    Filesize

    512B

    MD5

    d466c384e76da8e427fac073d472db30

    SHA1

    55d228ffcc61468e9c343079aa12a97acb1b2948

    SHA256

    dfe23af93f9f5210fa75462e1d6ac5d63d83ebaf221fe93e1e0b8ae235eb4158

    SHA512

    d478e9c40cbbb968ba11d5dce1e7c44fbb6ebf090e13a53a3de21be1160d59567ef21ff2cf6457f7d1d51361bc0f664e682d164cdc9dfacf206c1e8967184567

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

    Filesize

    660KB

    MD5

    4186196208a96735c23bdbf40e5430d1

    SHA1

    57bd41e9859b9ff876e55e8dfe4037f5e51db8ad

    SHA256

    4a8112618db33ca7c07415ccd871dff6b06bf853cfa7f67783e6a0f8cd94c457

    SHA512

    d39f9ea97a82b58b5480737475cbce35fc3cc5d8f737a017846e7c8ca56606d4120998eeb88496881c10c127880440ee58052900afd4a312de9ca517dcf05bb9

  • memory/1784-0-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/1784-14-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/4320-26-0x0000000000380000-0x000000000043A000-memory.dmp

    Filesize

    744KB

  • memory/4320-28-0x0000000000380000-0x000000000043A000-memory.dmp

    Filesize

    744KB

  • memory/4320-29-0x0000000000380000-0x000000000043A000-memory.dmp

    Filesize

    744KB

  • memory/4320-30-0x0000000000380000-0x000000000043A000-memory.dmp

    Filesize

    744KB

  • memory/4320-31-0x0000000000380000-0x000000000043A000-memory.dmp

    Filesize

    744KB

  • memory/4320-32-0x0000000000380000-0x000000000043A000-memory.dmp

    Filesize

    744KB

  • memory/4320-33-0x0000000000380000-0x000000000043A000-memory.dmp

    Filesize

    744KB

  • memory/4992-17-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/4992-11-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/4992-27-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB