Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01/05/2023, 20:10
Behavioral task
behavioral1
Sample
Servjjjer.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Servjjjer.exe
Resource
win10v2004-20230220-en
General
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Target
Servjjjer.exe
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Size
175KB
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MD5
5b3cfe226cbf4629f1bf59d9a8b644cb
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SHA1
709f112da624e832c9e257ffe68f7ad2cc08bb6f
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SHA256
6894c104c50fea8b20c9d459919854463fa2aad13165bb0650deb946fb3b7de7
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SHA512
485962e678cc88aecbf1f9028d55885f6290bf6ff33555b231938a1ae323ec06311963988fbae15466dc39249e3fadfe7e108e0d24ef54bc3fd858572d1384e9
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SSDEEP
3072:Qe8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gTLcwAqE+Wpor:pXtb5KcXr7XmfgqtjhAxZ0b2ko
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot5890094946:AAEYglD59tTB66C18AiuzpbBGVoAYux1-gc/sendMessage?chat_id=5969887379
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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Detects Redline Stealer samples 1 IoCs
This rule detects the presence of Redline Stealer samples based on their unique strings.
resource yara_rule behavioral2/memory/4088-135-0x0000000005CC0000-0x0000000005D26000-memory.dmp redline_stealer -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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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/4088-133-0x0000000000FC0000-0x0000000000FF2000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/4088-133-0x0000000000FC0000-0x0000000000FF2000-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\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini Servjjjer.exe File created C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini Servjjjer.exe File opened for modification C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini Servjjjer.exe File created C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini Servjjjer.exe File opened for modification C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini Servjjjer.exe File created C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini Servjjjer.exe File created C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini Servjjjer.exe File created C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini Servjjjer.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 50 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 Servjjjer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Servjjjer.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe 4088 Servjjjer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4088 Servjjjer.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4916 4088 Servjjjer.exe 88 PID 4088 wrote to memory of 4916 4088 Servjjjer.exe 88 PID 4088 wrote to memory of 4916 4088 Servjjjer.exe 88 PID 4916 wrote to memory of 4980 4916 cmd.exe 90 PID 4916 wrote to memory of 4980 4916 cmd.exe 90 PID 4916 wrote to memory of 4980 4916 cmd.exe 90 PID 4916 wrote to memory of 1584 4916 cmd.exe 91 PID 4916 wrote to memory of 1584 4916 cmd.exe 91 PID 4916 wrote to memory of 1584 4916 cmd.exe 91 PID 4916 wrote to memory of 4976 4916 cmd.exe 92 PID 4916 wrote to memory of 4976 4916 cmd.exe 92 PID 4916 wrote to memory of 4976 4916 cmd.exe 92 PID 4088 wrote to memory of 1632 4088 Servjjjer.exe 93 PID 4088 wrote to memory of 1632 4088 Servjjjer.exe 93 PID 4088 wrote to memory of 1632 4088 Servjjjer.exe 93 PID 1632 wrote to memory of 4772 1632 cmd.exe 95 PID 1632 wrote to memory of 4772 1632 cmd.exe 95 PID 1632 wrote to memory of 4772 1632 cmd.exe 95 PID 1632 wrote to memory of 756 1632 cmd.exe 96 PID 1632 wrote to memory of 756 1632 cmd.exe 96 PID 1632 wrote to memory of 756 1632 cmd.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe"C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe"1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:4980
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile3⤵PID:1584
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C:\Windows\SysWOW64\findstr.exefindstr All3⤵PID:4976
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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:1632 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:4772
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid3⤵PID:756
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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\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\System\Process.txt
Filesize4KB
MD5621a97cca6d51929c81dc3b196ee34d8
SHA18ce17dd0017befa83533ef00c165ea3796a72beb
SHA256ce21dc62e1c292a805a543e0641badca7cf5ec143ba4633723ff88940224f415
SHA512bc27e3f4032ea61de30f31104ab6673e4389a84673f926faa84e6a98afa2871f7bcdfdc55f92c25d55f638da14cfe329d2e43a727a51be9040e72a8f8a9b9275