Analysis
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max time kernel
145s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
09-08-2023 16:14
Behavioral task
behavioral1
Sample
worldwind.exe
Resource
win7-20230712-en
General
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Target
worldwind.exe
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Size
175KB
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MD5
fafd2fee2145a1c0cff13d372694aa11
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SHA1
dd1e28ddfacc273e94fa34846db572e601248db1
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SHA256
b9602df895cfa8ceb21f3b08dc54ba282fc257d8446bdc3e8a8e5ae6c9e78ef1
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SHA512
9f7acc21019fb734d8eccdfbe6930e31148227a633d0f1f4e36cfb36c41e35e0a2723b4cfd93bcdf20de851397c8d33e0062c1068e2ff6ebcb37aea23f616447
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SSDEEP
3072:Ee8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTJwARE+WpCc:g6ewwIwQJ6vKX0c5MlYZ0b2i
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot5680540790:AAEdId7f5SV2tnT6kXxK3ECoPzVFCgY9fQs/sendMessage?chat_id=6186135789
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/3668-133-0x0000000000400000-0x0000000000432000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/3668-133-0x0000000000400000-0x0000000000432000-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) 8 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini worldwind.exe File created C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini worldwind.exe File created C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini worldwind.exe File opened for modification C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini worldwind.exe File created C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini worldwind.exe File opened for modification C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini worldwind.exe File created C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini worldwind.exe File created C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini worldwind.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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 20 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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Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe 3668 worldwind.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3668 worldwind.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3668 wrote to memory of 916 3668 worldwind.exe 88 PID 3668 wrote to memory of 916 3668 worldwind.exe 88 PID 3668 wrote to memory of 916 3668 worldwind.exe 88 PID 916 wrote to memory of 416 916 cmd.exe 90 PID 916 wrote to memory of 416 916 cmd.exe 90 PID 916 wrote to memory of 416 916 cmd.exe 90 PID 916 wrote to memory of 3028 916 cmd.exe 91 PID 916 wrote to memory of 3028 916 cmd.exe 91 PID 916 wrote to memory of 3028 916 cmd.exe 91 PID 916 wrote to memory of 32 916 cmd.exe 92 PID 916 wrote to memory of 32 916 cmd.exe 92 PID 916 wrote to memory of 32 916 cmd.exe 92 PID 3668 wrote to memory of 3656 3668 worldwind.exe 93 PID 3668 wrote to memory of 3656 3668 worldwind.exe 93 PID 3668 wrote to memory of 3656 3668 worldwind.exe 93 PID 3656 wrote to memory of 3504 3656 cmd.exe 95 PID 3656 wrote to memory of 3504 3656 cmd.exe 95 PID 3656 wrote to memory of 3504 3656 cmd.exe 95 PID 3656 wrote to memory of 4932 3656 cmd.exe 96 PID 3656 wrote to memory of 4932 3656 cmd.exe 96 PID 3656 wrote to memory of 4932 3656 cmd.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\worldwind.exe"C:\Users\Admin\AppData\Local\Temp\worldwind.exe"1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:416
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile3⤵PID:3028
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C:\Windows\SysWOW64\findstr.exefindstr All3⤵PID:32
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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:3656 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:3504
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid3⤵PID:4932
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Network
MITRE ATT&CK Enterprise v15
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\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\e67d471696430321e7308523b9c24536\Admin@MNHMTTDP_en-US\System\Process.txt
Filesize4KB
MD5de3a0301cd2e4a5ff610c712efd4f631
SHA19085daa59b04056bb3872842fb1ea5c9a973cb54
SHA25610bd68a384c3cf854a163b7de2adea10e4731b5d982a493523612c31aa4896bf
SHA5122b95a4f913b9e7cc555bf6af68d48cfc438df099db2f019714b6b1133f01e09cb274318eae0984bd628010e3dfaa0b71d6aca5c7dfbfa1463fac81c7194d74d8