Analysis

  • max time kernel
    7s
  • max time network
    8s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 14:29

General

  • Target

    LunarRO_EXEC.exe

  • Size

    96KB

  • MD5

    750660c4115082f310530b6edaee6646

  • SHA1

    fcb00e8256e7978e4e4690cd8e44fec66c423f2a

  • SHA256

    12cc22d6b7041f8698d8000327c170aba486bd4aee9ef31f204a379ec7968fa5

  • SHA512

    e5ce9e3b97624474a58cc0f47e414516479f936c45873aadb38bf23a3d0576a2590d9e1b17f248c5423bb661f48b7bb3210f545a982d3fc8575c7001e63c1ddd

  • SSDEEP

    1536:Ww+jjgneye9H9XqcnW85SbTPWI3ehk/oA2MLc4bJnIkX8xOFZU3p2Nn0:Ww+jqeyeF91UbTP8VEc4CksyZU3gNn0

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

LunarRO_EXEC

Attributes
  • delay

    5000

  • install_path

    temp

  • port

    4444

  • startup_name

    Microsoft File Updater

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LunarRO_EXEC.exe
    "C:\Users\Admin\AppData\Local\Temp\LunarRO_EXEC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\LunarRO_EXEC.exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\LunarRO_EXEC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Microsoft File Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmp496D.tmp" /F
        3⤵
        • Creates scheduled task(s)
        PID:4000

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LunarRO_EXEC.exe.log
    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\XenoManager\LunarRO_EXEC.exe
    Filesize

    96KB

    MD5

    750660c4115082f310530b6edaee6646

    SHA1

    fcb00e8256e7978e4e4690cd8e44fec66c423f2a

    SHA256

    12cc22d6b7041f8698d8000327c170aba486bd4aee9ef31f204a379ec7968fa5

    SHA512

    e5ce9e3b97624474a58cc0f47e414516479f936c45873aadb38bf23a3d0576a2590d9e1b17f248c5423bb661f48b7bb3210f545a982d3fc8575c7001e63c1ddd

  • C:\Users\Admin\AppData\Local\Temp\tmp496D.tmp
    Filesize

    1KB

    MD5

    5089cf2f2020fd2545bbe7561a871ee1

    SHA1

    048ccf1a4150c8f4bb95dbcdc9e8347aa6136396

    SHA256

    cebac238982b612ee1d0c8c3a036e8fff9c4ecf07c71a9f089afca37294d482b

    SHA512

    661d00349fd5b3116a0ecd2c01fa76236919a55019c7110782c58a1d57f6706974b14b8511a6ace9af24203472e0918a41c6b214abb37ba7e46cfc86d59f2856

  • memory/1172-15-0x0000000074880000-0x0000000075030000-memory.dmp
    Filesize

    7.7MB

  • memory/1172-16-0x0000000074880000-0x0000000075030000-memory.dmp
    Filesize

    7.7MB

  • memory/4724-0-0x000000007488E000-0x000000007488F000-memory.dmp
    Filesize

    4KB

  • memory/4724-1-0x0000000000520000-0x000000000053E000-memory.dmp
    Filesize

    120KB