c0destealer | 249d84a486e2449321bbcf1f7bd8b0f085022b59fdc5bc694d38734b63a90caa

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
25/03/2026, 11:59

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General

Target
249d84a486e2449321bbcf1f7bd8b0f085022b59fdc5bc694d38734b63a90caa.exe
Size 5.9MB
Sample260325-n526faex4w
SHA256 249d84a486e2449321bbcf1f7bd8b0f085022b59fdc5bc694d38734b63a90caa
MD5 d4b2ae302214b0e3e950ae9aec3489e4
SHA1 8b7da6ce8572a5e2ba09dd215d02459c7541164e
SHA512 a9f29f43ffc46616d8624ddbfd167ec0d56b83cfe258406105cf483de13464c9e8fb77130f622e7974ea3b030d12ded1857b2361e379f62a0a39861846af1682
SSDEEP 98304:9w4G1MkMBDWsXvO0sh/3ZcS5huGEYcnKTXkDY:mMbUsm0sh/P
TLSH
T1C556295359EB0CF9DDD267B8B5CB22399734FD31CE681B2B9648C1246C532C4AE2EB41
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution c0destealer chromelevator hacktool persistence spyware stealer

Malware Config

Extracted

Family

c0destealer

http://113.30.151.250/panel/receiver.php
http://113.30.151.250/panel/upload_screenshot.php
http://113.30.151.250/panel/command.php
http://113.30.151.250/panel/heartbeat.php
http://113.30.151.250/panel/craftrise.php
http://113.30.151.250/panel/chrome.php

Signatures

C0deStealer
C0deStealer is a stealer written in C++.
stealer c0destealer
C0destealer family
c0destealer
ChromElevator
ChromElevator is an open-source post-exploitation tool for stealing user data from Chromium browsers.
hacktool chromelevator
Chromelevator family
chromelevator

Detects C0deStealer payload 4 IoCs

resource	yara_rule
behavioral2/files/0x001c00000002b416-4.dat	family_c0destealer
behavioral2/memory/1300-7-0x00007FF66E480000-0x00007FF66E776000-memory.dmp	family_c0destealer
behavioral2/memory/6016-32-0x00007FF614DC0000-0x00007FF6150B6000-memory.dmp	family_c0destealer
behavioral2/memory/3896-34-0x00007FF614DC0000-0x00007FF6150B6000-memory.dmp	family_c0destealer

Detects ChromElevator 5 IoCs

resource	yara_rule
behavioral2/files/0x001c00000002b416-4.dat	family_chromelevator
behavioral2/memory/1300-7-0x00007FF66E480000-0x00007FF66E776000-memory.dmp	family_chromelevator
behavioral2/files/0x001b00000002b44b-14.dat	family_chromelevator
behavioral2/memory/6016-32-0x00007FF614DC0000-0x00007FF6150B6000-memory.dmp	family_chromelevator
behavioral2/memory/3896-34-0x00007FF614DC0000-0x00007FF6150B6000-memory.dmp	family_chromelevator

Executes dropped EXE 8 IoCs

pid	Process
6016	RuntimeBroker.exe
3896	RuntimeBroker.exe
5720	RuntimeBroker_ce.exe
5372	RuntimeBroker_ce.exe
5680	RuntimeBroker_ce.exe
4008	RuntimeBroker_ce.exe
2144	RuntimeBroker_ce.exe
4156	RuntimeBroker_ce.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell\Open\command	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell\Open	RuntimeBroker.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell\Open\command\DelegateExecute	RuntimeBroker.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell\Open\command	RuntimeBroker.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell\Open	RuntimeBroker.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell	RuntimeBroker.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell\Open\command\ = "cmd.exe /c schtasks /create /tn \"MicrosoftEdgeUpdateTaskMachine\" /tr \"\\\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\RuntimeBroker.exe\\\"\" /sc onlogon /rl highest /f"	RuntimeBroker.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\Shell	RuntimeBroker.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2984	schtasks.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 6016	1300	249d84a486e2449321bbcf1f7bd8b0f085022b59fdc5bc694d38734b63a90caa.exe	80
PID 6016 wrote to memory of 2704	6016	RuntimeBroker.exe	82
PID 6016 wrote to memory of 2072	6016	RuntimeBroker.exe	84
PID 2072 wrote to memory of 3924	2072	fodhelper.exe	85
PID 3924 wrote to memory of 2984	3924	cmd.exe	87
PID 3896 wrote to memory of 1436	3896	RuntimeBroker.exe	90
PID 3896 wrote to memory of 5720	3896	RuntimeBroker.exe	92
PID 3896 wrote to memory of 5372	3896	RuntimeBroker.exe	94
PID 5372 wrote to memory of 3536	5372	RuntimeBroker_ce.exe	96
PID 5372 wrote to memory of 3536	5372	RuntimeBroker_ce.exe	96
PID 3896 wrote to memory of 5680	3896	RuntimeBroker.exe	99
PID 5680 wrote to memory of 1932	5680	RuntimeBroker_ce.exe	101
PID 5680 wrote to memory of 1932	5680	RuntimeBroker_ce.exe	101
PID 6016 wrote to memory of 4008	6016	RuntimeBroker.exe	103
PID 6016 wrote to memory of 2144	6016	RuntimeBroker.exe	105
PID 2144 wrote to memory of 2580	2144	RuntimeBroker_ce.exe	107
PID 2144 wrote to memory of 2580	2144	RuntimeBroker_ce.exe	107
PID 6016 wrote to memory of 4156	6016	RuntimeBroker.exe	110
PID 4156 wrote to memory of 4428	4156	RuntimeBroker_ce.exe	112
PID 4156 wrote to memory of 4428	4156	RuntimeBroker_ce.exe	112

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\249d84a486e2449321bbcf1f7bd8b0f085022b59fdc5bc694d38734b63a90caa.exe
"C:\Users\Admin\AppData\Local\Temp\249d84a486e2449321bbcf1f7bd8b0f085022b59fdc5bc694d38734b63a90caa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\RuntimeBroker.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:6016
- - C:\Windows\SYSTEM32\schtasks.exe
    schtasks /query /tn "MicrosoftEdgeUpdateTaskMachine"
    3⤵
    PID:2704
- - C:\Windows\System32\fodhelper.exe
    "C:\Windows\System32\fodhelper.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - C:\Windows\system32\cmd.exe
      "cmd.exe" /c schtasks /create /tn "MicrosoftEdgeUpdateTaskMachine" /tr "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\RuntimeBroker.exe\"" /sc onlogon /rl highest /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3924
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /tn "MicrosoftEdgeUpdateTaskMachine" /tr "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\RuntimeBroker.exe\"" /sc onlogon /rl highest /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2984
- - C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe
    "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe" -o "C:\Users\Admin\AppData\Local\Temp\ce_output" brave
    3⤵
    - Executes dropped EXE
    PID:4008
- - C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe
    "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe" -o "C:\Users\Admin\AppData\Local\Temp\ce_output" chrome
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2144
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      4⤵
      PID:2580
- - C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe
    "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe" -o "C:\Users\Admin\AppData\Local\Temp\ce_output" edge
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4156
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      4⤵
      PID:4428

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\RuntimeBroker.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\RuntimeBroker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Windows\system32\schtasks.exe
  schtasks /query /tn "MicrosoftEdgeUpdateTaskMachine"
  2⤵
  PID:1436
- C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe" -o "C:\Users\Admin\AppData\Local\Temp\ce_output" brave
  2⤵
  - Executes dropped EXE
  PID:5720
- C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe" -o "C:\Users\Admin\AppData\Local\Temp\ce_output" chrome
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5372
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:3536
- C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe" -o "C:\Users\Admin\AppData\Local\Temp\ce_output" edge
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5680
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1932

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:5368

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4924

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:4052

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4928

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:2556

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:3240

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

RuntimeBroker_ce.exe

Path C:\Users\Admin\AppData\Local\Temp\RuntimeBroker_ce.exe
Size 1.4MB
SHA256 45eddd42646074db6ac073119c87df0d2a597666fa75f33580fa611724adadf2
MD5 5ca8a416e606e60dfcf9be973b4b5a6d
SHA1 84ffd0356b5cd0780535d2be4f787b902552bcd5
SHA512 65d5e92831c85418a0698f0db35ee214f66b7513c6ff0ec1fc20351cdc492fb1b1df7c889eaad079ffdd09cb79e664f143e6e3ab094430d0950a01e564d1e31a
SSDEEP 24576:psDQfWex9NF3yWgT0rAhpkyJhkXxOMTLfdG8nAuuz5suusot:p9zxR3fPr6TgXxOSzdGiHuz5ms
TLSH
T18965021AFBA405FDE1B7D274CD524902D7B2F84A0760E78B03E459961F37AA09E3E712
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

cookies.json

Path C:\Users\Admin\AppData\Local\Temp\ce_output\Chrome\Default\cookies.json
Size 349B
SHA256 ff1b11a3268fb1154cfd323c2c0b9506910b4d34a31b2d473ce3ca29b9692c1f
MD5 ff2004c15b868831549c32d280328003
SHA1 4dc208ef5acc7f55ded0a8392de9c3521d4759b2
SHA512 f10d501bef49e2b444ef9180e885c8d22d7f9d54d7c10655d68b7d1c9d3d0b37ceddd37beb48b298acd4628dd6229ec88e6a1a7cf571f542b3e9f62adc70234b
TLSH
T150E0280C00DD72B2FE26517665010DD8BC6C41111095ECC77A1C34145C10B5E71414DA
MD5 SHA1 SHA512 TLSH

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cookies.json

Path C:\Users\Admin\AppData\Local\Temp\ce_output\Edge\Default\cookies.json
Size 312B
SHA256 229efd23b608aa7ec0417586d4ea83be43e8f2638dd1201657e2ed89a88cbba1
MD5 dc66c7c84f7e5040c913810fa9e4309e
SHA1 b52242ce06932ac21ac640fac16f02204c6fd109
SHA512 db3fa624e0e38f579744b481fdaf0c1e7b6d4b2d54a68fa5145543405a79ee7fbf3639588a01099bd82b8251015e3b984d5bc4964ae29ab1fe98ddf0c9821da6
TLSH
T1C5E07D18B4DE4867CA0D4A603EB11B4DB56C3A57821CFC9C14914A34DCE655632B918B
MD5 SHA1 SHA512 TLSH

Submit Download

RuntimeBroker.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\RuntimeBroker.exe
Size 5.9MB
SHA256 249d84a486e2449321bbcf1f7bd8b0f085022b59fdc5bc694d38734b63a90caa
MD5 d4b2ae302214b0e3e950ae9aec3489e4
SHA1 8b7da6ce8572a5e2ba09dd215d02459c7541164e
SHA512 a9f29f43ffc46616d8624ddbfd167ec0d56b83cfe258406105cf483de13464c9e8fb77130f622e7974ea3b030d12ded1857b2361e379f62a0a39861846af1682
SSDEEP 98304:9w4G1MkMBDWsXvO0sh/3ZcS5huGEYcnKTXkDY:mMbUsm0sh/P
TLSH
T1C556295359EB0CF9DDD267B8B5CB22399734FD31CE681B2B9648C1246C532C4AE2EB41
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1300-8-0x000002B08A770000-0x000002B08A85A000-memory.dmp

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memory/1300-7-0x00007FF66E480000-0x00007FF66E776000-memory.dmp

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memory/2072-10-0x0000022520D80000-0x0000022520E6A000-memory.dmp

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memory/3896-35-0x0000020655200000-0x00000206552EA000-memory.dmp

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memory/3896-34-0x00007FF614DC0000-0x00007FF6150B6000-memory.dmp

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memory/6016-33-0x000001D4F5070000-0x000001D4F515A000-memory.dmp

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memory/6016-32-0x00007FF614DC0000-0x00007FF6150B6000-memory.dmp

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memory/6016-41-0x000001D4F5070000-0x000001D4F515A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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