Analysis
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max time kernel
146s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 16:07
Static task
static1
Behavioral task
behavioral1
Sample
ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe
Resource
win10v2004-20240802-en
General
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Target
ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe
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Size
263KB
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MD5
5c8af2740a5828f8280b7e5cd4a2d851
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SHA1
77c382783298daa74ce37c09ef56bdd3d67bb795
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SHA256
ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f
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SHA512
d6e79b3ba49dadadbfd32f281e4e61a35ba283f805b3457f5d54026cf6fe91bad11d5b0e1ef3d27fa5921bb92920072bf0aa7fbd7042fdf2ea6e3ee9f1dc6202
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SSDEEP
6144:ZDKW1Lgbdl0TBBvjc/1yeZNJfyUg5aXoFtKGzchQrvILv+:Jh1Lk70TnvjcNy2yUg5aXGwGYQrva+
Malware Config
Signatures
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 2 IoCs
resource yara_rule behavioral2/files/0x0008000000023452-69.dat family_stormkitty behavioral2/memory/4188-77-0x00000000007F0000-0x000000000081E000-memory.dmp family_stormkitty -
.NET Reactor proctector 31 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/4212-1-0x0000000002440000-0x0000000002472000-memory.dmp net_reactor behavioral2/memory/4212-4-0x0000000004AF0000-0x0000000004B20000-memory.dmp net_reactor behavioral2/memory/4212-49-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-59-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-57-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-55-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-53-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-51-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-47-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-45-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-41-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-39-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-33-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-29-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-23-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-21-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-19-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-17-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-15-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-11-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-9-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-7-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-43-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-37-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-35-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-31-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-27-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-25-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-13-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-6-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor behavioral2/memory/4212-61-0x0000000004AF0000-0x0000000004B1B000-memory.dmp net_reactor -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe -
Executes dropped EXE 1 IoCs
pid Process 4188 Build_Crystal_Stealer.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 8 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini Build_Crystal_Stealer.exe File opened for modification C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini Build_Crystal_Stealer.exe File created C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini Build_Crystal_Stealer.exe File created C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini Build_Crystal_Stealer.exe File created C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini Build_Crystal_Stealer.exe File created C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini Build_Crystal_Stealer.exe File created C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini Build_Crystal_Stealer.exe File opened for modification C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini Build_Crystal_Stealer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Build_Crystal_Stealer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chcp.com Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chcp.com Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language findstr.exe -
System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
pid Process 2544 cmd.exe 3544 netsh.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 Build_Crystal_Stealer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Build_Crystal_Stealer.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe 4188 Build_Crystal_Stealer.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4212 ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe Token: SeDebugPrivilege 4188 Build_Crystal_Stealer.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4212 wrote to memory of 4188 4212 ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe 82 PID 4212 wrote to memory of 4188 4212 ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe 82 PID 4212 wrote to memory of 4188 4212 ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe 82 PID 4188 wrote to memory of 2544 4188 Build_Crystal_Stealer.exe 87 PID 4188 wrote to memory of 2544 4188 Build_Crystal_Stealer.exe 87 PID 4188 wrote to memory of 2544 4188 Build_Crystal_Stealer.exe 87 PID 2544 wrote to memory of 2860 2544 cmd.exe 89 PID 2544 wrote to memory of 2860 2544 cmd.exe 89 PID 2544 wrote to memory of 2860 2544 cmd.exe 89 PID 2544 wrote to memory of 3544 2544 cmd.exe 90 PID 2544 wrote to memory of 3544 2544 cmd.exe 90 PID 2544 wrote to memory of 3544 2544 cmd.exe 90 PID 2544 wrote to memory of 4772 2544 cmd.exe 91 PID 2544 wrote to memory of 4772 2544 cmd.exe 91 PID 2544 wrote to memory of 4772 2544 cmd.exe 91 PID 4188 wrote to memory of 4600 4188 Build_Crystal_Stealer.exe 93 PID 4188 wrote to memory of 4600 4188 Build_Crystal_Stealer.exe 93 PID 4188 wrote to memory of 4600 4188 Build_Crystal_Stealer.exe 93 PID 4600 wrote to memory of 4488 4600 cmd.exe 95 PID 4600 wrote to memory of 4488 4600 cmd.exe 95 PID 4600 wrote to memory of 4488 4600 cmd.exe 95 PID 4600 wrote to memory of 5024 4600 cmd.exe 96 PID 4600 wrote to memory of 5024 4600 cmd.exe 96 PID 4600 wrote to memory of 5024 4600 cmd.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe"C:\Users\Admin\AppData\Local\Temp\ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Users\Admin\AppData\Local\Temp\Build_Crystal_Stealer.exe"C:\Users\Admin\AppData\Local\Temp\Build_Crystal_Stealer.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:2860
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile4⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
PID:3544
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵
- System Location Discovery: System Language Discovery
PID:4772
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:4488
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid4⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:5024
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\System\Process.txt
Filesize4KB
MD56dcb33de2d7f0beabbdefb766db82c2e
SHA170a922ce6b6048344b810d728115427b68fd56f0
SHA256206a8b45a6d173c6f8e68992883401c8f1ea91db59c9d2d3848c8f6b37ad73fd
SHA512d277dda5ffac27d8a7fc5a87d27f2c456e269c2a1161e295483b64a4d461eca8d1cc486de1156ffba8901b74fcd4ce96306967d6e244ee1dbc8680ee18ed611e
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
161KB
MD5261b57ba1798221de96c4daab7baad40
SHA17d702c786c31863447dfdb962284c04aef37412d
SHA25674cad89b3ed3e5a2f3c2e150f08c3ccebf8f4a9fc467b8fb090ffc2269e2779a
SHA512747d7418d3195e7f32641917eb7431504fcc34ad49ed0b04c27cbb3493aef97d22aadfbf8767c222edcb092ca4e72a09b9b1637db895ceab03b0f760e21d42e3