Overview

overview

10

Static

static

3

Celesty.exe

windows7-x64

10

Celesty.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 01:06

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General

  • Target

    Celesty.exe

  • Size

    1.7MB

  • MD5

    8966d25141f5e150ff7d02ac502cce46

  • SHA1

    f882485d1ffac1b75b60794824b771e4ce33d7b7

  • SHA256

    8694257c04deed3937833145954c65564627f7d40cd20f8401696933a03b7e3f

  • SHA512

    caedef6e8fdc042d6586816bdc87c36b3d40c22a8e4e331d46296b669ed03f2e295f4b44ed4092f43e8d0dad8cc40766982d6938d1d638fb4e4eecaddd529df3

  • SSDEEP

    49152:6PxCjaDpascfyHTtgWc79pGvFog9hlQ0xM7QYeYnUgy:mCq4sokTtlPFooQzzU/

Score
10/10
mercurialgrabberevasionspywarestealer

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/935223250571640882/ViB43kUXE9CCFxm2v1jxJfLyHYVNk3Y3-laU94OpWmJjw7id0TwbDJUP1by4-O7zvfZu

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    stealermercurialgrabber
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 8 IoCs
  • Modifies registry class 33 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Celesty.exe
    "C:\Users\Admin\AppData\Local\Temp\Celesty.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Users\Admin\AppData\Roaming\dump\CelestyBuilder.exe
      "C:\Users\Admin\AppData\Roaming\dump\CelestyBuilder.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Users\Admin\AppData\Local\Temp\CELESTY BUILDER.EXE
        "C:\Users\Admin\AppData\Local\Temp\CELESTY BUILDER.EXE"
        3⤵
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Checks SCSI registry key(s)
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:4652
      • C:\Users\Admin\AppData\Local\Temp\CELESTY.EXE
        "C:\Users\Admin\AppData\Local\Temp\CELESTY.EXE"
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Users\Admin\AppData\Roaming\dump\CelestyBuilder.exe
          "C:\Users\Admin\AppData\Roaming\dump\CelestyBuilder.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2272
          • C:\Users\Admin\AppData\Local\Temp\CELESTY BUILDER.EXE
            "C:\Users\Admin\AppData\Local\Temp\CELESTY BUILDER.EXE"
            5⤵
            • Looks for VirtualBox Guest Additions in registry
            • Looks for VMWare Tools registry key
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Checks SCSI registry key(s)
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            PID:4836
          • C:\Users\Admin\AppData\Local\Temp\CELESTY.EXE
            "C:\Users\Admin\AppData\Local\Temp\CELESTY.EXE"
            5⤵
            • Executes dropped EXE
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:3096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\CELESTY.EXE.log
    Filesize

    128B

    MD5

    a5dcc7c9c08af7dddd82be5b036a4416

    SHA1

    4f998ca1526d199e355ffb435bae111a2779b994

    SHA256

    e24033ceec97fd03402b03acaaabd1d1e378e83bb1683afbccac760e00f8ead5

    SHA512

    56035de734836c0c39f0b48641c51c26adb6e79c6c65e23ca96603f71c95b8673e2ef853146e87efc899dd1878d0bbc2c82d91fbf0fce81c552048e986f9bb5a

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\CELESTY BUILDER.EXE
    Filesize

    41KB

    MD5

    4cc81e53b9037673b9014431e9be0e60

    SHA1

    62c57cbad6be321e65bea71bd87801fcb0bf7af9

    SHA256

    1baf3f560a47aacd9a841939ff127fbade26095dd47867dfec38bc2f1fa4a9ad

    SHA512

    dae96f885d20fe185302f689f844032797209b28d1295444a29fa730d01b520e7994121fe8bd2b55c0d21b395da372a9846d9dec5960edfecd40ac41690d36ff

    Download Submit

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

    2.7MB

    MD5

    c3009ee63bc661d9ea75eaeb256448ca

    SHA1

    45eb01150756df432e25eed44d976442473356de

    SHA256

    0bb88564a22bfd6d9ad6e4d8efa9077792a7b6094c2a0f865d70c43e11507352

    SHA512

    96f5847fbeef95df1309e97a4bc3d786a5f5c19b87e804f12d88b4473a0b50291c40407a3d95a2d5d78031f03be76da47f1846a73c7802ddae46a38ac4634e67

    Download Submit

  • C:\Users\Admin\AppData\Roaming\dump\CelestyBuilder.exe
    Filesize

    2.8MB

    MD5

    d604d3ac515faf6ad32e8e57c170d389

    SHA1

    02069909d405b33af28da67ad232013307a198b2

    SHA256

    5d3955502a6b63e394eea67aad6c83dfa80d08484d9f11956e77ec5b47c6f8b8

    SHA512

    bb1d77a7430204eef2ecb3cdfb7d2b2b5f80f9f5fefee6cbff2fc69538523177e8010d9dc4b353f4adc4c6bdba2c398ceac90ce43a1302b2cdf5149dd7680817

    Download Submit

  • memory/1712-27-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1712-24-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1712-26-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1712-36-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3080-0-0x0000000074732000-0x0000000074733000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3080-2-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3080-1-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3080-13-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3096-54-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-58-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-65-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-53-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-52-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-55-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-57-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-51-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-59-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-60-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-61-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-62-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-63-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/3096-64-0x0000000000400000-0x00000000006DC000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/4652-29-0x00000000005B0000-0x00000000005C0000-memory.dmp

    Filesize

    64KB

    Download