Analysis

  • max time kernel
    89s
  • max time network
    84s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 16:31

General

  • Target

    16b364a19618c12403a06415c384466d_JaffaCakes118.exe

  • Size

    195KB

  • MD5

    16b364a19618c12403a06415c384466d

  • SHA1

    e0e649693f3db8bee78d52f193ed2594f77037b2

  • SHA256

    7c4dc25b43b68db837631aa7388ec64e833cc91e005c6298c4c30cc1327d2211

  • SHA512

    631387f3a4b177da42a6f9c7bbe063f971fe965ca48d261d1b3774ba395ff182f841175e164a59dff61d157b15a9c1592d643e6fdf6078e653eb5f5e97837a55

  • SSDEEP

    3072:gAwixCZ6Sh77R2Gpf606U8v0e7OIgPDFIbbzhPM67fIhF:gExhk7rh7NEOIYWlPM6r6F

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16b364a19618c12403a06415c384466d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\16b364a19618c12403a06415c384466d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      PID:224
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
        PID:2812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      195KB

      MD5

      3d31285e26b798be3af7639652faf199

      SHA1

      97121a404f5ce5b0b2b5d684e7e18e0a2c96c6eb

      SHA256

      9b6f2eda8fbab2730bcba4240277af122030c0234593267d636932e44dcf8b6e

      SHA512

      27d06ead8c578117756f30ca2c2c2a0ebc3f45d1fae2526b7de667c05f01e3d3743372cba7d0c0710f3af66f67b21487e3e6c424290cde7a1f83b2809b8c47ad

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

      Filesize

      512B

      MD5

      2776cde4761cefd1198f4712989957b1

      SHA1

      c801245a080524e704e8e3da95700e58e9d1ca3c

      SHA256

      69ca5964abf7f1c054541bcc32f2712d3fa51342913affed5023825e3dca521f

      SHA512

      bdc242f5c69d10cbfa903bbf20448a9e93213ee303091f1ae9ff8d29c83250168491d9b553841f8ed9b756aef29c499eea3562ff9f94b5619012eb21d5d88c4a

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

      Filesize

      302B

      MD5

      07983d2cdee0c1205229af1b83d79dd3

      SHA1

      886e6efce657ae6a6655ee92b970ac47ab62cc19

      SHA256

      4a318ea245df8c1375272c28be92f9da7583b788eca9c4098596d1146a71e067

      SHA512

      e8f5d2290f2953de37b507101ff56eea191c8f72076b5249ac46a8a8452c3d1063c78b40bc9a00f06f3b6b66ca89ab98533113610eda592e7d4c74a40b2b8891

    • memory/224-12-0x0000000000A60000-0x0000000000A94000-memory.dmp

      Filesize

      208KB

    • memory/224-17-0x0000000000A60000-0x0000000000A94000-memory.dmp

      Filesize

      208KB

    • memory/224-18-0x0000000000A60000-0x0000000000A94000-memory.dmp

      Filesize

      208KB

    • memory/2712-0-0x00000000007C0000-0x00000000007F4000-memory.dmp

      Filesize

      208KB

    • memory/2712-14-0x00000000007C0000-0x00000000007F4000-memory.dmp

      Filesize

      208KB