Analysis
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max time kernel
45s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/09/2024, 11:45
Behavioral task
behavioral1
Sample
rat.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
rat.exe
Resource
win10v2004-20240802-en
General
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Target
rat.exe
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Size
1.6MB
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MD5
be830082457d9fc658309f95a07099da
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SHA1
8fcc5988cb62925e26c5f3567223fff79efa351e
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SHA256
f06316c624961051e89bfa9d6a2cd647e2749006eb2a867cac1976667055f3b4
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SHA512
af6d0264d77674fab722e6d0d268027a6053d942acfc9a8f3b94f4230842761411c081c9a78cc9c58865a4bc4d14680e963468db8d9a0ef69846cf4e9b87b430
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SSDEEP
24576:Yi2Q9NXw2/wPOjdGxY2rJxkqjVnlqud+/2P+A+ZecdyFoBkkAqmZywm0n:HTq24GjdGSiJxkqXfd+/9AqYanCLm
Malware Config
Extracted
stealerium
https://discord.com/api/webhooks/1288466233993334785/bvXUkJru6bM4LZMznPzmSqzB7BV8e49Q0i4gDuNVtyNDqrIuEAvj0zzmaOdSBD0yMLcb
Signatures
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Stealerium
An open source info stealer written in C# first seen in May 2022.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rat.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rat.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rat.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 2 discord.com 3 discord.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 icanhazip.com -
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 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 Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2912 2088 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 8 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 rat.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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language findstr.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 netsh.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 2932 cmd.exe 1312 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 rat.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rat.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main helppane.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2088 rat.exe 2088 rat.exe 2088 rat.exe 2088 rat.exe 2088 rat.exe 2088 rat.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 2088 rat.exe Token: SeRestorePrivilege 2464 msiexec.exe Token: SeTakeOwnershipPrivilege 2464 msiexec.exe Token: SeSecurityPrivilege 2464 msiexec.exe Token: SeTakeOwnershipPrivilege 2472 helppane.exe Token: SeTakeOwnershipPrivilege 2472 helppane.exe Token: SeTakeOwnershipPrivilege 2472 helppane.exe Token: SeTakeOwnershipPrivilege 2472 helppane.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2472 helppane.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2472 helppane.exe 2472 helppane.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2088 wrote to memory of 2932 2088 rat.exe 31 PID 2088 wrote to memory of 2932 2088 rat.exe 31 PID 2088 wrote to memory of 2932 2088 rat.exe 31 PID 2088 wrote to memory of 2932 2088 rat.exe 31 PID 2932 wrote to memory of 1992 2932 cmd.exe 33 PID 2932 wrote to memory of 1992 2932 cmd.exe 33 PID 2932 wrote to memory of 1992 2932 cmd.exe 33 PID 2932 wrote to memory of 1992 2932 cmd.exe 33 PID 2932 wrote to memory of 1312 2932 cmd.exe 34 PID 2932 wrote to memory of 1312 2932 cmd.exe 34 PID 2932 wrote to memory of 1312 2932 cmd.exe 34 PID 2932 wrote to memory of 1312 2932 cmd.exe 34 PID 2932 wrote to memory of 2784 2932 cmd.exe 35 PID 2932 wrote to memory of 2784 2932 cmd.exe 35 PID 2932 wrote to memory of 2784 2932 cmd.exe 35 PID 2932 wrote to memory of 2784 2932 cmd.exe 35 PID 2088 wrote to memory of 544 2088 rat.exe 36 PID 2088 wrote to memory of 544 2088 rat.exe 36 PID 2088 wrote to memory of 544 2088 rat.exe 36 PID 2088 wrote to memory of 544 2088 rat.exe 36 PID 544 wrote to memory of 1148 544 cmd.exe 38 PID 544 wrote to memory of 1148 544 cmd.exe 38 PID 544 wrote to memory of 1148 544 cmd.exe 38 PID 544 wrote to memory of 1148 544 cmd.exe 38 PID 544 wrote to memory of 2332 544 cmd.exe 39 PID 544 wrote to memory of 2332 544 cmd.exe 39 PID 544 wrote to memory of 2332 544 cmd.exe 39 PID 544 wrote to memory of 2332 544 cmd.exe 39 PID 2088 wrote to memory of 2912 2088 rat.exe 42 PID 2088 wrote to memory of 2912 2088 rat.exe 42 PID 2088 wrote to memory of 2912 2088 rat.exe 42 PID 2088 wrote to memory of 2912 2088 rat.exe 42 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rat.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rat.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\rat.exe"C:\Users\Admin\AppData\Local\Temp\rat.exe"1⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2088 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵
- System Location Discovery: System Language Discovery
PID:1992
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile3⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
PID:1312
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C:\Windows\SysWOW64\findstr.exefindstr All3⤵
- System Location Discovery: System Language Discovery
PID:2784
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵
- System Location Discovery: System Language Discovery
PID:1148
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid3⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 24082⤵
- Program crash
PID:2912
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2464
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C:\Windows\helppane.exeC:\Windows\helppane.exe -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2472
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\c3924a0028d5a45dd034bd2c27140c9c\Admin@ZQABOPWE_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\c3924a0028d5a45dd034bd2c27140c9c\Admin@ZQABOPWE_en-US\Directories\Startup.txt
Filesize24B
MD568c93da4981d591704cea7b71cebfb97
SHA1fd0f8d97463cd33892cc828b4ad04e03fc014fa6
SHA256889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483
SHA51263455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402
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C:\Users\Admin\AppData\Local\c3924a0028d5a45dd034bd2c27140c9c\Admin@ZQABOPWE_en-US\Directories\Videos.txt
Filesize23B
MD51fddbf1169b6c75898b86e7e24bc7c1f
SHA1d2091060cb5191ff70eb99c0088c182e80c20f8c
SHA256a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733
SHA51220bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d
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Filesize
6KB
MD5f0b543321a7fabed411dc2789aca46a9
SHA1db9db9e3c0918e06d013a4f40dee6f4bbed49f82
SHA2562cbd1a0a7515cebd7a2a210b1ef3078e3f6084b736c09c414470b1299c71a7d4
SHA5120b05936257ab479a2d1d0e6b7d55d76353513d1e40c70fb5f5a96410e323865382a8d8d833ec4940b036f4dfde6265ec805fec4247386d0d6566b53b1fc77447
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C:\Users\Admin\AppData\Local\c3924a0028d5a45dd034bd2c27140c9c\Admin@ZQABOPWE_en-US\System\ProductKey.txt
Filesize29B
MD5cad6c6bee6c11c88f5e2f69f0be6deb7
SHA1289d74c3bebe6cca4e1d2e084482ad6d21316c84
SHA256dc288491fadc4a85e71085890e3d6a7746e99a317cd5ef09a30272dfb10398c0
SHA512e02cf6bff8b4ebd7a1346ecb1667be36c3ef7415fff77c3b9cfb370f3d0dc861f74d3e0e49065699850ba6cc025cd68d14ceb73f3b512c2a9b28873a69aff097