Analysis
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max time kernel
149s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2023 16:04
Behavioral task
behavioral1
Sample
1006exe.exe
Resource
win7-20230621-en
General
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Target
1006exe.exe
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Size
170KB
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MD5
b73d3fc85dc0c30abd6b42264b63152d
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SHA1
badb14d34d6d685bab54ceb55ef9b2c9b095e7cb
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SHA256
2e6a4680aa9b24612ca07e1492964a84e2fc9bdf5086e1311f05d8e3d034b65e
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SHA512
8acb78e24d339b460ba0abf98b2c21ae324d25a849f2eb73a4a3071c1a653d7d0ff2844a78a7b14b2fd1c33417d6b8540be18f2a9a1a647ad1669e1dae010995
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SSDEEP
3072:S+STW8djpN6izj8mZw9900qX2lD9PvWqHPu/i9bxJ2cjEGp6+WpP:P8XN6W8mm997lDhOGPSi9bfa
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6154715708:AAEr8vPeSHcSYTb0A4o52iLBY8gZOLx4sOQ/sendMessage?chat_id=1165040754
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/4344-133-0x0000000000C50000-0x0000000000C80000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/4344-133-0x0000000000C50000-0x0000000000C80000-memory.dmp asyncrat -
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) 9 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini 1006exe.exe File created C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini 1006exe.exe File created C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini 1006exe.exe File created C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini 1006exe.exe File created C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini 1006exe.exe File opened for modification C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini 1006exe.exe File opened for modification C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini 1006exe.exe File created C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini 1006exe.exe File created C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini 1006exe.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 33 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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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 1006exe.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 1006exe.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe 4344 1006exe.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4344 1006exe.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4344 wrote to memory of 2928 4344 1006exe.exe 85 PID 4344 wrote to memory of 2928 4344 1006exe.exe 85 PID 4344 wrote to memory of 2928 4344 1006exe.exe 85 PID 2928 wrote to memory of 3560 2928 cmd.exe 87 PID 2928 wrote to memory of 3560 2928 cmd.exe 87 PID 2928 wrote to memory of 3560 2928 cmd.exe 87 PID 2928 wrote to memory of 4452 2928 cmd.exe 88 PID 2928 wrote to memory of 4452 2928 cmd.exe 88 PID 2928 wrote to memory of 4452 2928 cmd.exe 88 PID 2928 wrote to memory of 4528 2928 cmd.exe 89 PID 2928 wrote to memory of 4528 2928 cmd.exe 89 PID 2928 wrote to memory of 4528 2928 cmd.exe 89 PID 4344 wrote to memory of 3812 4344 1006exe.exe 90 PID 4344 wrote to memory of 3812 4344 1006exe.exe 90 PID 4344 wrote to memory of 3812 4344 1006exe.exe 90 PID 3812 wrote to memory of 4512 3812 cmd.exe 92 PID 3812 wrote to memory of 4512 3812 cmd.exe 92 PID 3812 wrote to memory of 4512 3812 cmd.exe 92 PID 3812 wrote to memory of 4644 3812 cmd.exe 93 PID 3812 wrote to memory of 4644 3812 cmd.exe 93 PID 3812 wrote to memory of 4644 3812 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\1006exe.exe"C:\Users\Admin\AppData\Local\Temp\1006exe.exe"1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:3560
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile3⤵PID:4452
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C:\Windows\SysWOW64\findstr.exefindstr All3⤵PID:4528
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid2⤵
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:4512
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid3⤵PID:4644
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\761040ad9f6afe3c3c95535a33799e6e\Admin@NMFRSYJN_en-US\System\Process.txt
Filesize4KB
MD509b00e59dc4d63a252b89465a4c670a0
SHA1fc3ed8745a5e223ee59e55c96bf31f25f43f90a9
SHA25646d23e74607f7bac651f5d25762f965c23ca55c6242a583090aba90506580bec
SHA51254b95f9b08c3a6b795674d0da810e5e8c045ae70cedc95150e57dfc172c04c3c8b8b42af0fdf58045cba48f866762c682e9d625f06cfa6d8ed914d61888cda83