658373bc16ba781e7ffa8ed7c7e8f2cca89d6b2c0b9bcb62d1c48db970abcf67

Analysis

max time kernel
149s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/07/2026, 12:11

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
rk9903c4521.hta
Size 33KB
Sample260707-pc3f6shs8y
SHA256 658373bc16ba781e7ffa8ed7c7e8f2cca89d6b2c0b9bcb62d1c48db970abcf67
MD5 43cf36fab647af0aaddb74c9cb278b40
SHA1 7352b8eb2ce97e7be6c28a5d8a43d0c32ac96ded
SHA512 467a730bdf98508d97dde40ad51a43959d7ffbbdecfced4b5f483acf26cea9373b6a1201c4a058adce74f1cad0b94c074f1c7539c3688739b0405544c91af080
SSDEEP 96:VTp7P2HtFJYPt9BFfB1Xuk/9xrToLdC6blOkaF491:FpyHtW1XukFxrT97Fi
TLSH
T1C2E2863DDDACC96D4BE8B8EC78913322DDB5054257C19CBE5C1AA7D8EEAC215623C107
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection credential_access discovery execution spyware stealer

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2732	3704	powershell.exe	88

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	2732	powershell.exe
3	2732	powershell.exe

Uses browser remote debugging 2 TTPs 2 IoCs

Can be used control the browser and steal sensitive information such as credentials and session cookies.

credential_access stealer

Steal Web Session Cookie

T1539

Modify Authentication Process

T1556

pid	Process
3928	msedge.exe
4884	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
1860	DumpBrowserSecrets.exe

Loads dropped DLL 2 IoCs

pid	Process
4884	chrome.exe
3928	msedge.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

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2296	2732	powershell.exe	92

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2732	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
2732	powershell.exe
1860	DumpBrowserSecrets.exe
1860	DumpBrowserSecrets.exe
4884	chrome.exe
4884	chrome.exe
1860	DumpBrowserSecrets.exe
1860	DumpBrowserSecrets.exe
3928	msedge.exe
3928	msedge.exe
1860	DumpBrowserSecrets.exe
1860	DumpBrowserSecrets.exe
2296	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	powershell.exe
Token: SeDebugPrivilege	2296	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2924	2732	powershell.exe	91
PID 2732 wrote to memory of 2296	2732	powershell.exe	92
PID 2732 wrote to memory of 2296	2732	powershell.exe	92
PID 2732 wrote to memory of 2296	2732	powershell.exe	92
PID 2732 wrote to memory of 2296	2732	powershell.exe	92
PID 2296 wrote to memory of 1860	2296	MSBuild.exe	93
PID 1860 wrote to memory of 4884	1860	DumpBrowserSecrets.exe	95
PID 4884 wrote to memory of 4596	4884	chrome.exe	96
PID 1860 wrote to memory of 3928	1860	DumpBrowserSecrets.exe	99
PID 3928 wrote to memory of 2604	3928	msedge.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\rk9903c4521.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- System Location Discovery: System Language Discovery
PID:428

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NoProfile -Command "Invoke-Expression $env:aonyx"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  PID:2296
- - C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe
    "C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe" /b:chrome /b:edge /b:brave /e:all
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1860
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --headless=new --disable-gpu --remote-debugging-port=9222 --disable-background-timer-throttling
      4⤵
      Uses browser remote debugging
      Loads dropped DLL
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4884
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome4884240734828 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome4884240734828\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome4884240734828 --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x210,0x214,0x218,0x20c,0x21c,0x7ffc0ffec728,0x7ffc0ffec734,0x7ffc0ffec740
        5⤵
        
        PID:4596
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --headless=new --disable-gpu --remote-debugging-port=9222 --disable-background-timer-throttling
      4⤵
      Uses browser remote debugging
      Loads dropped DLL
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3928
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessEdge3928240735140 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessEdge3928240735140\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x33c,0x340,0x344,0x338,0x32c,0x7ffc0fbcc188,0x7ffc0fbcc194,0x7ffc0fbcc1a0
        5⤵
        
        PID:2604

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:2372

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:5900

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:4464

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Modify Authentication Process

T1556

Privilege Escalation

Defense Evasion

Modify Authentication Process

T1556

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Modify Authentication Process

T1556

Steal Web Session Cookie

T1539

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

ChromeData.json

Path C:\Users\Admin\AppData\Local\Temp\ChromeData.json
Size 322B
SHA256 43c98030705675d51417a656cdefa481efbc1f74fe9d298b366824bb7fa78214
MD5 4eeba572f72373881ff878d6f0d4fe88
SHA1 b34efabbb15413c55bdfac1cbe09d97def0cecfb
SHA512 f42cbd1a86bebd744f16e2f8ede24c7e64c67663dfc948d90748f5e460208e2f87a78b0fa9b8735fe62066158ef0d330735c6e690dc38e33639e4edd119c8552
TLSH
T13BE026185674902835CC6E200D0822D3830A0EC18AB57F00305F12C80E3E03A437D984
MD5 SHA1 SHA512 TLSH

Submit Download

DllExtractChromiumSecrets.dll

Path C:\Users\Admin\AppData\Local\Temp\DllExtractChromiumSecrets.dll
Size 45KB
SHA256 b0935270bc8ed6d31c5352c49a8f5d7cbe62457133fe1cf7effeeeb1440e9ce0
MD5 f8c81aac564cf5834e602553a19c17a0
SHA1 bee29ea3fe90c45bab11b2bf941fbbcbc6acbbf9
SHA512 47b75ea9e8bf78c94d667b89baf395963d0ae14d7d5bb38bf10e4242c7d2dcca803488359a6855bcee8a34b076340858cd1640303dd58fcb5047d3c33b864d58
SSDEEP 768:wvwHEYygsZskufDOF9H2+NR5hj5fltKm3PYI43MGnnJp1H3JKaObM0+MI7ZZQ0:wYkYygsZvufDO77PJltlfl4VJTH3Jx0C
TLSH
T15B23494E734905EEC996C6B8D064B81BF2F13449B620865F5370D92B6F27213FA3E74A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

DumpBrowserSecrets.exe

Path C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe
Size 381KB
SHA256 c934a2db58a1a64ee245a7627843508c6c517fcb06ea6855d26a72b41ae6753b
MD5 0e51138ef195ac755f052babb761a1e7
SHA1 3c7bbeabc56110d3463e6002cd0ff5c9a168d64b
SHA512 fb0dac538776a0e0655fbdc2ca72c2965f42ac7f0f70bb8f1b405a2aff01f24d467d51e5526c7cb6aeda3e9440e6cfc89269b784a8dc3e9ecd68546499c17455
SSDEEP 6144:axlobBTrFQ4DwLin1zF2UMus9nAauNXlqciCucn6BqGjbCEg7rLbuZhn3l+CoWZk:8QdyBxjbCFroh3l+C6E0+
TLSH
T19F849F59E3E504F9E5A3D238C462D527E6717C465730CF9F22B48B2A2F232A29E3C751
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

EdgeData.json

Path C:\Users\Admin\AppData\Local\Temp\EdgeData.json
Size 429B
SHA256 04565c1c7c4dd907c75ab4bd008c37e507a9079b99b962aacae18362dfe16c57
MD5 6602e3117e26bdd856e079a7797f3896
SHA1 62f0b06b081b61133f0b90d841462bf47e9a1890
SHA512 edb5d5e6ed9a7a52503a5d2d8d00556c91e646118150a518791ad38c1233602d97c9b6ba8bb6120107215b626d127cb588b6e3b59deef15bf2345eec9de50bda
TLSH
T11EE02B24D674844209CD5A704C4A12C39754AD4385E43F0273CE9ECC9F2D5270BBD9F6
MD5 SHA1 SHA512 TLSH

Submit Download

settings.dat

Path C:\Users\Admin\AppData\Local\Temp\HeadlessEdge3928240735140\Crashpad\settings.dat
Size 280B
SHA256 ad10054c93d8451f13907d1815687bcb6baa1cb7227c6f357da6b76335e11194
MD5 cd0ccb87469be2b871617adc24359763
SHA1 5d30fcefbea14d19003c2e6d9f2306d79b6676ec
SHA512 18fd62a49964a35796a85dfcc2ce01f2c06fedd1a167cbbe3ce9301eef39584981997ca4b42bb925a7f84247fb9bb5fac48ee2dd817df38ab8efe0875c471ae1
MD5 SHA1 SHA512

Submit Download

throttle_store.dat

Path C:\Users\Admin\AppData\Local\Temp\HeadlessEdge3928240735140\Crashpad\throttle_store.dat
Size 20B
SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
MD5 9e4e94633b73f4a7680240a0ffd6cd2c
SHA1 e68e02453ce22736169a56fdb59043d33668368f
SHA512 193011a756b2368956c71a9a3ae8bc9537d99f52218f124b2e64545eeb5227861d372639052b74d0dd956cb33ca72a9107e069f1ef332b9645044849d14af337
MD5 SHA1 SHA512

Submit Download

memory/2296-47-0x0000000006840000-0x0000000006D6C000-memory.dmp

Download

memory/2296-49-0x0000000006390000-0x0000000006406000-memory.dmp

Download

memory/2296-45-0x0000000006140000-0x0000000006302000-memory.dmp

Download

memory/2296-18-0x0000000000400000-0x00000000004C0000-memory.dmp

Download

memory/2296-50-0x0000000007690000-0x0000000007722000-memory.dmp

Download

memory/2296-51-0x0000000007630000-0x000000000763A000-memory.dmp

Download

memory/2296-22-0x00000000053C0000-0x0000000005426000-memory.dmp

Download

memory/2296-20-0x00000000058B0000-0x0000000005E6A000-memory.dmp

Download

memory/2732-9-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-10-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-16-0x000001BAE92D0000-0x000001BAE9384000-memory.dmp

Download

memory/2732-15-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-21-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-14-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-13-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-12-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-11-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-17-0x000001BAD0CF0000-0x000001BAD0CFA000-memory.dmp

Download

memory/2732-0-0x00007FFC0F7DF000-0x00007FFC0F7E0000-memory.dmp

Download

memory/2732-8-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-6-0x000001BAD0CC0000-0x000001BAD0CE2000-memory.dmp

Download

memory/2732-7-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-2-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-3-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download

memory/2732-1-0x00007FFC0F650000-0x00007FFC0FFF4000-memory.dmp

Download