Analysis
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max time kernel
60s -
max time network
54s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-08-2024 19:43
Static task
static1
Behavioral task
behavioral1
Sample
WinRAR 7.01 Pro.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
WinRAR 7.01 Pro.exe
Resource
win11-20240802-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/3564-2278-0x0000000002670000-0x00000000026A0000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/3564-2278-0x0000000002670000-0x00000000026A0000-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/3564-27-0x0000000004DB0000-0x0000000004E94000-memory.dmp net_reactor behavioral2/memory/3564-29-0x0000000004CB0000-0x0000000004D92000-memory.dmp net_reactor behavioral2/memory/3564-35-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-39-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-91-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-93-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-89-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-87-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-85-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-83-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-81-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-79-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-77-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-75-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-73-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-71-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-69-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-67-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-63-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-65-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-61-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-59-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-57-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-55-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-53-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-51-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-49-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-47-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-45-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-43-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-37-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-33-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-31-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-41-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor behavioral2/memory/3564-30-0x0000000004CB0000-0x0000000004D8C000-memory.dmp net_reactor -
Executes dropped EXE 2 IoCs
pid Process 2820 winrar_x64_701ar.exe 3564 _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) 7 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini _microsoft_corporation.exe File created C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\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 1 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 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 -
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 _microsoft_corporation.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 WinRAR 7.01 Pro.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 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 3028 cmd.exe 3192 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 19 IoCs
pid Process 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe 3564 _microsoft_corporation.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3564 _microsoft_corporation.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2820 winrar_x64_701ar.exe 2820 winrar_x64_701ar.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2632 wrote to memory of 2820 2632 WinRAR 7.01 Pro.exe 78 PID 2632 wrote to memory of 2820 2632 WinRAR 7.01 Pro.exe 78 PID 2632 wrote to memory of 3564 2632 WinRAR 7.01 Pro.exe 79 PID 2632 wrote to memory of 3564 2632 WinRAR 7.01 Pro.exe 79 PID 2632 wrote to memory of 3564 2632 WinRAR 7.01 Pro.exe 79 PID 3564 wrote to memory of 3028 3564 _microsoft_corporation.exe 81 PID 3564 wrote to memory of 3028 3564 _microsoft_corporation.exe 81 PID 3564 wrote to memory of 3028 3564 _microsoft_corporation.exe 81 PID 3028 wrote to memory of 3440 3028 cmd.exe 83 PID 3028 wrote to memory of 3440 3028 cmd.exe 83 PID 3028 wrote to memory of 3440 3028 cmd.exe 83 PID 3028 wrote to memory of 3192 3028 cmd.exe 84 PID 3028 wrote to memory of 3192 3028 cmd.exe 84 PID 3028 wrote to memory of 3192 3028 cmd.exe 84 PID 3028 wrote to memory of 2560 3028 cmd.exe 85 PID 3028 wrote to memory of 2560 3028 cmd.exe 85 PID 3028 wrote to memory of 2560 3028 cmd.exe 85 PID 3564 wrote to memory of 2524 3564 _microsoft_corporation.exe 86 PID 3564 wrote to memory of 2524 3564 _microsoft_corporation.exe 86 PID 3564 wrote to memory of 2524 3564 _microsoft_corporation.exe 86 PID 2524 wrote to memory of 4556 2524 cmd.exe 88 PID 2524 wrote to memory of 4556 2524 cmd.exe 88 PID 2524 wrote to memory of 4556 2524 cmd.exe 88 PID 2524 wrote to memory of 3380 2524 cmd.exe 89 PID 2524 wrote to memory of 3380 2524 cmd.exe 89 PID 2524 wrote to memory of 3380 2524 cmd.exe 89
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632 -
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:2820
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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:3564 -
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:3028 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:3440
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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:3192
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵
- System Location Discovery: System Language Discovery
PID:2560
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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:2524 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:4556
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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:3380
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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\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\5e02335600795c46d261a189ea9ab23c\Admin@ZFKGDPGJ_en-US\System\Process.txt
Filesize4KB
MD5fb799ff6614adfd9b3c099e2870607a7
SHA19242facff8dd935824b34d8667e363c9ed1d7336
SHA2563b32db1cdd86c116bbe6c1fa850b978f911f37502a9ed690e5647cc001b963e1
SHA51237348f23065c94ac04320047c3b00aebffa9ee492de4fdb27c16695d37a50288e82c2b1ee622cf5978a287577359c3b459764addabb4fccd9dbf05ebca59bf43
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Filesize
6B
MD523a4f338ff0ec4559eef3dadbc87fa94
SHA17e0c6a093793927f58670c8cdbed0e77e006106b
SHA25648ebaa79c7017ac4d7de5f8346c5e0ed154b13d6bb7474a4255eb7cc4068c3fc
SHA512c63dae27a467a84d891e29d2ac43f71cc128b0e52f737b0ef22565710d70af1dc3e7b7a9672ca6a239bf4fcb858ba6da2746677d6bf439c1b6ca7b13daac538d
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Filesize
487KB
MD5b2795fbed63c8c1b0846b3eaeae2fe0f
SHA1d1145cff21e008c9ad581ccf1719139d754355de
SHA2565ea467d548d41b747370a235c9a245910ed58d55482a48246196faf391213c24
SHA51247ffcc3c74113db4c389ba9a6b5db7ce325d1f63e431405a9f6613918c387de4a677f20804aad6aa458bf2151de418c2f72740f4f5083fb45bf6c4b0f564e564
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Filesize
3.8MB
MD55e2849bef6a38ed0b163ea6128afea01
SHA1d77e1467dcd5e6662a6b97de35cb017579af032a
SHA2566ec13e13059bac123d839fde5770db2c87248ef862d21f5f818580287a365026
SHA512e20bcb346b114c5e6f8f0e82d2143a7c02ffc77056983336a011fbe8e292d8fa0ed8d2aebaa6f665ffacfa1063f59a2788bc68bbe2605316d7791eec3a1e1cfb