Analysis
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max time kernel
39s -
max time network
48s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe
Resource
win7-20240508-en
General
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Target
5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe
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Size
2.2MB
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MD5
9f3205479a5ff3acd9eafdb8eaa629e9
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SHA1
0db77b61300e8e3ea19c8de71a078bb853e5166d
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SHA256
5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e
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SHA512
adfd9e32fa17d358b5093bfdd9c257b20c8015303ced7b94e2acd00b407fd0e79d5bfa30d38272ebdc8564730f4316d0831833236a20d4daee815c288a04b065
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SSDEEP
49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 9 IoCs
Processes:
resource yara_rule behavioral2/memory/3316-2-0x0000000004030000-0x0000000004140000-memory.dmp family_vidar_v7 behavioral2/memory/1676-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1676-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1676-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1676-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1676-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1676-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1676-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1676-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Detects Windows executables referencing non-Windows User-Agents 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1676-4-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1676-8-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1676-9-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1676-11-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1676-12-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1676-13-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1676-14-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1676-15-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat4E9D.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation kat4E9D.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat4E9D.tmppid process 1676 kat4E9D.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exedescription pid process target process PID 3316 set thread context of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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:
kat4E9D.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat4E9D.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4E9D.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1884 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat4E9D.tmppid process 1676 kat4E9D.tmp 1676 kat4E9D.tmp 1676 kat4E9D.tmp 1676 kat4E9D.tmp 1676 kat4E9D.tmp 1676 kat4E9D.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exekat4E9D.tmpcmd.exedescription pid process target process PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 3316 wrote to memory of 1676 3316 5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe kat4E9D.tmp PID 1676 wrote to memory of 3392 1676 kat4E9D.tmp cmd.exe PID 1676 wrote to memory of 3392 1676 kat4E9D.tmp cmd.exe PID 1676 wrote to memory of 3392 1676 kat4E9D.tmp cmd.exe PID 3392 wrote to memory of 1884 3392 cmd.exe timeout.exe PID 3392 wrote to memory of 1884 3392 cmd.exe timeout.exe PID 3392 wrote to memory of 1884 3392 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe"C:\Users\Admin\AppData\Local\Temp\5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3316 -
C:\Users\Admin\AppData\Local\Temp\kat4E9D.tmpC:\Users\Admin\AppData\Local\Temp\kat4E9D.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4E9D.tmp" & rd /s /q "C:\ProgramData\HJDBAFIECGHC" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:1884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f