Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-08-2024 19:47
Static task
static1
Behavioral task
behavioral1
Sample
WinRAR 7.01 Pro.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
WinRAR 7.01 Pro.exe
Resource
win10v2004-20240802-en
General
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Target
WinRAR 7.01 Pro.exe
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Size
4.3MB
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MD5
1c8908102946928867ab16f2007b35cc
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SHA1
7e08b98299e0195a013e53221e3c2efb149eb4ce
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SHA256
e3635b82438e536636955e2fee251073b1038a7e00295a1e0efb003ad49965d5
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SHA512
a559caedc7b00da23cb18607d0f2f05c6954a949dff0c8a4c25f6353163b70fd16722728878bb87c9db5cff86dc0252f967ebc26a66cb975af85f1361372a734
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SSDEEP
98304:DaxGFtNdBfKEgzVQYAO52weo3VudIlHSTNWA0rkjEaxKd:DRdytzAO52wLVu2oBWv7t
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot5912059723:AAEvmpZvnGHJALjBBXk_PBuStnzDRsTe4-M/sendMessage?chat_id=750182271
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
resource yara_rule behavioral2/memory/2196-2278-0x00000000046B0000-0x00000000046E0000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/2196-2278-0x00000000046B0000-0x00000000046E0000-memory.dmp family_asyncrat -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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.NET Reactor proctector 35 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/2196-27-0x0000000004C90000-0x0000000004D74000-memory.dmp net_reactor behavioral2/memory/2196-29-0x0000000004BA0000-0x0000000004C82000-memory.dmp net_reactor behavioral2/memory/2196-37-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-39-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-55-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-53-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-49-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-47-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-45-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-41-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-35-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-51-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-33-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-43-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-31-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-30-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-75-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-93-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-91-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-89-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-87-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-85-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-83-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-81-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-79-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-78-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-73-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-71-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-69-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-67-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-65-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-63-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-61-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-59-0x0000000004BA0000-0x0000000004C7C000-memory.dmp net_reactor behavioral2/memory/2196-57-0x0000000004BA0000-0x0000000004C7C000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation WinRAR 7.01 Pro.exe -
Executes dropped EXE 2 IoCs
pid Process 592 winrar_x64_701ar.exe 2196 _microsoft_corporation.exe -
Reads user/profile data of web browsers 2 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\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini _microsoft_corporation.exe File opened for modification C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini _microsoft_corporation.exe File opened for modification C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini _microsoft_corporation.exe -
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 43 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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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 WinRAR 7.01 Pro.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language _microsoft_corporation.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 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 findstr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chcp.com -
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 5436 cmd.exe 556 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 _microsoft_corporation.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier _microsoft_corporation.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe 2196 _microsoft_corporation.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2196 _microsoft_corporation.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 592 winrar_x64_701ar.exe 592 winrar_x64_701ar.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4232 wrote to memory of 592 4232 WinRAR 7.01 Pro.exe 87 PID 4232 wrote to memory of 592 4232 WinRAR 7.01 Pro.exe 87 PID 4232 wrote to memory of 2196 4232 WinRAR 7.01 Pro.exe 92 PID 4232 wrote to memory of 2196 4232 WinRAR 7.01 Pro.exe 92 PID 4232 wrote to memory of 2196 4232 WinRAR 7.01 Pro.exe 92 PID 2196 wrote to memory of 5436 2196 _microsoft_corporation.exe 99 PID 2196 wrote to memory of 5436 2196 _microsoft_corporation.exe 99 PID 2196 wrote to memory of 5436 2196 _microsoft_corporation.exe 99 PID 5436 wrote to memory of 5576 5436 cmd.exe 101 PID 5436 wrote to memory of 5576 5436 cmd.exe 101 PID 5436 wrote to memory of 5576 5436 cmd.exe 101 PID 5436 wrote to memory of 556 5436 cmd.exe 102 PID 5436 wrote to memory of 556 5436 cmd.exe 102 PID 5436 wrote to memory of 556 5436 cmd.exe 102 PID 5436 wrote to memory of 2368 5436 cmd.exe 103 PID 5436 wrote to memory of 2368 5436 cmd.exe 103 PID 5436 wrote to memory of 2368 5436 cmd.exe 103 PID 2196 wrote to memory of 5208 2196 _microsoft_corporation.exe 104 PID 2196 wrote to memory of 5208 2196 _microsoft_corporation.exe 104 PID 2196 wrote to memory of 5208 2196 _microsoft_corporation.exe 104 PID 5208 wrote to memory of 5712 5208 cmd.exe 106 PID 5208 wrote to memory of 5712 5208 cmd.exe 106 PID 5208 wrote to memory of 5712 5208 cmd.exe 106 PID 5208 wrote to memory of 5744 5208 cmd.exe 107 PID 5208 wrote to memory of 5744 5208 cmd.exe 107 PID 5208 wrote to memory of 5744 5208 cmd.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\WinRAR 7.01 Pro.exe"C:\Users\Admin\AppData\Local\Temp\WinRAR 7.01 Pro.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Users\Admin\AppData\Local\Temp\winrar_x64_701ar.exe"C:\Users\Admin\AppData\Local\Temp\winrar_x64_701ar.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:592
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C:\Users\Admin\AppData\Local\Temp\_microsoft_corporation.exe"C:\Users\Admin\AppData\Local\Temp\_microsoft_corporation.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:2196 -
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:5436 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:5576
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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:556
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵
- System Location Discovery: System Language Discovery
PID:2368
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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:5208 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:5712
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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:5744
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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\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\7b09d57dff625c59e41b5d8cc41e4ef2\Admin@ERHQJVYQ_en-US\System\Process.txt
Filesize4KB
MD5a5d63ee6e131ccf02f59fe7777aff84e
SHA13de77f8c633d8411614f7b0e915642826c779fb8
SHA25679cb60b2b27046dc9994ebd5ab0bc3afe9d53763583789014e1d5d08c8b30692
SHA512b24c0bc19e87440462c1ef70eca9ecc2fca9660beb69b0699bb21f2e3080442eb9f5462340d8b07fc3262a9e76409c89683a9f5001198aea4379b3f97a1a43f0
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Filesize
487KB
MD5b2795fbed63c8c1b0846b3eaeae2fe0f
SHA1d1145cff21e008c9ad581ccf1719139d754355de
SHA2565ea467d548d41b747370a235c9a245910ed58d55482a48246196faf391213c24
SHA51247ffcc3c74113db4c389ba9a6b5db7ce325d1f63e431405a9f6613918c387de4a677f20804aad6aa458bf2151de418c2f72740f4f5083fb45bf6c4b0f564e564
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Filesize
3.8MB
MD55e2849bef6a38ed0b163ea6128afea01
SHA1d77e1467dcd5e6662a6b97de35cb017579af032a
SHA2566ec13e13059bac123d839fde5770db2c87248ef862d21f5f818580287a365026
SHA512e20bcb346b114c5e6f8f0e82d2143a7c02ffc77056983336a011fbe8e292d8fa0ed8d2aebaa6f665ffacfa1063f59a2788bc68bbe2605316d7791eec3a1e1cfb
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Filesize
6B
MD51e45feec8e4e895ab673c1c4f5fd187c
SHA179e71fe8802446367fdb4f3ae1393edacdcc30d6
SHA256e4a05a4cdf1485ff8fd9c1a8776b8a8352c476dd3fbb71bf0e1fbd1f45a3a044
SHA5126bf440417882878746d40658d9058c9a40ecce38be749aca9bbddb3eb0308fa2d387207f3c71561e0e1f536bbfe8bd98d5b84def235fcaa503554a7affa623d9