Analysis
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max time kernel
144s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 11:41
Static task
static1
Behavioral task
behavioral1
Sample
ser.exe
Resource
win7-20240221-en
General
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Target
ser.exe
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Size
477KB
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MD5
3fecaea34d8bfd0c53d453ba377f5515
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SHA1
a8909056a93d5c01d5b4f7079603559ef33ee199
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SHA256
fb5035e26f908cf1de308fdac8db6fb751ac69357b9ab2445fdaf1765c86b366
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SHA512
e92f474d4a7a6afa20ce5995cabe14c3442cf9a868269e528fb041dff712eeaa6eda56806126bd3efbb9d1f0719f18b50610bec2eae869d70e8186736f1aeeaf
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SSDEEP
6144:1fkZ3FM+Z6Q/8CqyRr/b0AxouMu3JQ04+S6JutalHVDvG1FhNoX9w:1fkZVfD/LUAoutIUJPHxv2rNY
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6792184664:AAGxPEwztsvs2oQ0e1vEY9lLZzPUDNJZYS8/sendMessage?chat_id=5918227737
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
Processes:
resource yara_rule behavioral2/memory/4344-3-0x0000029130640000-0x0000029130672000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4344-3-0x0000029130640000-0x0000029130672000-memory.dmp family_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
Processes:
ser.exedescription ioc process File created C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini ser.exe File opened for modification C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini ser.exe File created C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini ser.exe File created C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini ser.exe File created C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini ser.exe File created C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini ser.exe File created C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini ser.exe File opened for modification C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini ser.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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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.
Processes:
flow ioc 16 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.
Processes:
ser.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 ser.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier ser.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
ser.exepid process 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe 4344 ser.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ser.exedescription pid process Token: SeDebugPrivilege 4344 ser.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
ser.execmd.execmd.exedescription pid process target process PID 4344 wrote to memory of 404 4344 ser.exe notepad.exe PID 4344 wrote to memory of 404 4344 ser.exe notepad.exe PID 4344 wrote to memory of 1620 4344 ser.exe cmd.exe PID 4344 wrote to memory of 1620 4344 ser.exe cmd.exe PID 1620 wrote to memory of 3540 1620 cmd.exe chcp.com PID 1620 wrote to memory of 3540 1620 cmd.exe chcp.com PID 1620 wrote to memory of 1668 1620 cmd.exe netsh.exe PID 1620 wrote to memory of 1668 1620 cmd.exe netsh.exe PID 1620 wrote to memory of 2220 1620 cmd.exe findstr.exe PID 1620 wrote to memory of 2220 1620 cmd.exe findstr.exe PID 4344 wrote to memory of 1780 4344 ser.exe cmd.exe PID 4344 wrote to memory of 1780 4344 ser.exe cmd.exe PID 1780 wrote to memory of 2364 1780 cmd.exe chcp.com PID 1780 wrote to memory of 2364 1780 cmd.exe chcp.com PID 1780 wrote to memory of 2152 1780 cmd.exe netsh.exe PID 1780 wrote to memory of 2152 1780 cmd.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ser.exe"C:\Users\Admin\AppData\Local\Temp\ser.exe"1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\notepad.exenotepad.exe2⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\netsh.exenetsh wlan show profile3⤵
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C:\Windows\system32\findstr.exefindstr All3⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\netsh.exenetsh wlan show networks mode=bssid3⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\3748126a29ea084777d6eafa9295d890\msgid.datFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\System\Process.txtFilesize
3KB
MD51929c52790f7df99fafcbbdc9969ade1
SHA1069e6ed73a450f784c5e27744da17ab04c59442f
SHA256dfbddc5dc819569ced0881af26fa52ee6507b5def6dbfc66ade7f67bc1bac2f4
SHA512b31b83510d6dc229e9c8c172cb6a6508a2d660b4d97b3566cab2fd31313d024ac0cbef1aca9c1b424953d6ef562b512746c59d453a643f62a5deec212f7e5d75
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C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\System\Process.txtFilesize
4KB
MD57955b6f490fcb9def01bf1c08634e0da
SHA13e51eb8dfda557ff11f3fed9bb998c5b6e983de1
SHA2569b0a517c953735b3ba735971ee2eb83fa3caefa8dce3ac1b8980b688add90c77
SHA51274a03b055b979624b9ce6c4edf8379a4e8555a1e4b1a26db9f56766273058df54cee914eacc916b32f6fc2b511efab6ebac89b62f2b52de2b67a590a8c9af44f
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C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\System\Process.txtFilesize
443B
MD5a4854d3b3c736fcdddadb463ac8df5c9
SHA17893544a1b4c1e2457fbaae7d45b9cb5ff216fe8
SHA256290baf6636ea41fc49829cbc481e0390af6c4f6d4e3a3e3617911aedf86bf4f3
SHA51241fd88c3f02056c418c23be273529fcc33eb3bb110a990c302d749cd86b5addf78e24cd588e9cc8ebd895214968e6131348acc470c05a417b92c56827af7402e
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C:\Users\Admin\AppData\Local\c0af4052649db16718fa9a022fee5e86\Admin@RHATQEDQ_en-US\System\Process.txtFilesize
1KB
MD5741a60cd5e1f3816dfeaa8edca61df6a
SHA1084f05b3c8cdf316ecc8498cb85aa17abf1497ab
SHA2562847026181bed6041937cd172583b6e602faa1c43dcc8c068b652976dd2614c6
SHA51257e963dac48c65e68f4979048668015ae8dc7a9cff7d8cc667515afc304b5a9ba0743a563de72a11e02e4ef53634540433e29cd6db19ea0795b882449bf7a595
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memory/4344-148-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-154-0x0000029130750000-0x000002913075A000-memory.dmpFilesize
40KB
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memory/4344-5-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-4-0x00007FFD30850000-0x00007FFD31311000-memory.dmpFilesize
10.8MB
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memory/4344-3-0x0000029130640000-0x0000029130672000-memory.dmpFilesize
200KB
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memory/4344-0-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmpFilesize
2.0MB
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memory/4344-150-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-6-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-2-0x0000029130330000-0x0000029130366000-memory.dmpFilesize
216KB
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memory/4344-160-0x0000029149390000-0x00000291493A2000-memory.dmpFilesize
72KB
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memory/4344-183-0x00007FFD30850000-0x00007FFD31311000-memory.dmpFilesize
10.8MB
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memory/4344-186-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-187-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-188-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-189-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB
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memory/4344-190-0x0000029130700000-0x0000029130710000-memory.dmpFilesize
64KB