Resubmissions

29-06-2024 07:50

240629-jn93hatdnf 10

29-06-2024 07:42

240629-jj34dstdjb 10

Analysis

  • max time kernel
    83s
  • max time network
    83s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 07:50

General

  • Target

    test.exe

  • Size

    45KB

  • MD5

    fb6a501b93be4706521d089b6f19e50f

  • SHA1

    39c6cd822a768edabeae098959474f0b7ed73bdb

  • SHA256

    658fc754755da07407dd615593df8418974ac01644aaa114c89000fe3583b2b7

  • SHA512

    897fc37ed1b6b403c1fee909ba5ff6a67cfbf83b4d9d7be2c9f00b3ab4e458637420edd14c26d4673b8271ba3176261a03864ddeb86e82c67869f41b79ce5d39

  • SSDEEP

    768:VdhO/poiiUcjlJInSCLue9H9Xqk5nWEZ5SbTDa1WI7CPW5I:rw+jjgnNye9H9XqcnW85SbT0WIA

Malware Config

Extracted

Family

xenorat

C2

68.228.24.220

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    conhost.exe

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\test.exe
    "C:\Users\Admin\AppData\Local\Temp\test.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\AppData\Roaming\XenoManager\test.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\test.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "conhost.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32C4.tmp" /F
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2648

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp32C4.tmp
    Filesize

    1KB

    MD5

    d14add5bc544dc56500dab4dcc70f120

    SHA1

    626a696608ee981a0e8d6bde221c0dcb961c2644

    SHA256

    e549e2fef562f01fc2d18ba0b34521bb6f87ba4ca0dcfc82002c9dfcffa07ad0

    SHA512

    3a19b6d12218a2e66dab2175098a392a8ec489711852a05542e3a156876fb1b0a0806ee5839741a196117d111ef5ea2a0562c7999eab3861f5f81ba9c03098db

  • \Users\Admin\AppData\Roaming\XenoManager\test.exe
    Filesize

    45KB

    MD5

    fb6a501b93be4706521d089b6f19e50f

    SHA1

    39c6cd822a768edabeae098959474f0b7ed73bdb

    SHA256

    658fc754755da07407dd615593df8418974ac01644aaa114c89000fe3583b2b7

    SHA512

    897fc37ed1b6b403c1fee909ba5ff6a67cfbf83b4d9d7be2c9f00b3ab4e458637420edd14c26d4673b8271ba3176261a03864ddeb86e82c67869f41b79ce5d39

  • memory/1844-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp
    Filesize

    4KB

  • memory/1844-1-0x00000000009D0000-0x00000000009E2000-memory.dmp
    Filesize

    72KB

  • memory/2788-9-0x0000000000F10000-0x0000000000F22000-memory.dmp
    Filesize

    72KB

  • memory/2788-10-0x0000000074A30000-0x000000007511E000-memory.dmp
    Filesize

    6.9MB

  • memory/2788-13-0x0000000074A30000-0x000000007511E000-memory.dmp
    Filesize

    6.9MB

  • memory/2788-14-0x00000000006B0000-0x00000000006BC000-memory.dmp
    Filesize

    48KB

  • memory/2788-15-0x00000000065F0000-0x00000000066EA000-memory.dmp
    Filesize

    1000KB

  • memory/2788-31-0x0000000074A30000-0x000000007511E000-memory.dmp
    Filesize

    6.9MB

  • memory/2788-32-0x0000000074A30000-0x000000007511E000-memory.dmp
    Filesize

    6.9MB

  • memory/2788-33-0x0000000000960000-0x000000000096A000-memory.dmp
    Filesize

    40KB