Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
29-06-2024 02:20
Static task
static1
Behavioral task
behavioral1
Sample
c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe
Resource
win7-20240508-en
General
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Target
c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe
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Size
2.2MB
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MD5
8110882e07467cdbdc65665f3ba71afa
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SHA1
458ec24230b1050b27f3d606668d053a902a0ebc
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SHA256
c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a
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SHA512
764a5b71255ac3d528b36dcdf84b44ca2dd84cf6bd379be0b3e491723e349314ccd280b7715129e32e3f07881aea5bd5bb022785c00b4c8721b5966ea5ed93f5
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SSDEEP
49152:lAgY7fvVtbBaxmcqMTBe6AKQl+bH4JbjzzEBETT29YMST:llY7nTMBTBe6AKQl+bYxzIBA6uMST
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 12 IoCs
Processes:
resource yara_rule behavioral1/memory/2244-4-0x00000000032B0000-0x00000000033C0000-memory.dmp family_vidar_v7 behavioral1/memory/1960-17-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-18-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-26-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-27-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-28-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1960-32-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Detects Windows executables referencing non-Windows User-Agents 11 IoCs
Processes:
resource yara_rule behavioral1/memory/1960-17-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-23-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-22-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-18-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-15-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-24-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-25-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-26-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-27-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-28-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1960-32-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Executes dropped EXE 1 IoCs
Processes:
kat1CD4.tmppid process 1960 kat1CD4.tmp -
Loads dropped DLL 2 IoCs
Processes:
c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exepid process 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe -
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:
c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exedescription pid process target process PID 2244 set thread context of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.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:
kat1CD4.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat1CD4.tmp Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat1CD4.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2948 timeout.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
kat1CD4.tmppid process 1960 kat1CD4.tmp 1960 kat1CD4.tmp 1960 kat1CD4.tmp -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exekat1CD4.tmpcmd.exedescription pid process target process PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 2244 wrote to memory of 1960 2244 c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe kat1CD4.tmp PID 1960 wrote to memory of 2532 1960 kat1CD4.tmp cmd.exe PID 1960 wrote to memory of 2532 1960 kat1CD4.tmp cmd.exe PID 1960 wrote to memory of 2532 1960 kat1CD4.tmp cmd.exe PID 1960 wrote to memory of 2532 1960 kat1CD4.tmp cmd.exe PID 2532 wrote to memory of 2948 2532 cmd.exe timeout.exe PID 2532 wrote to memory of 2948 2532 cmd.exe timeout.exe PID 2532 wrote to memory of 2948 2532 cmd.exe timeout.exe PID 2532 wrote to memory of 2948 2532 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe"C:\Users\Admin\AppData\Local\Temp\c0eeb3278d86e31792fe7a8f978b9c0e5b8b6a2dbfe07d853e1dfc9e2ca4242a.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Users\Admin\AppData\Local\Temp\kat1CD4.tmpC:\Users\Admin\AppData\Local\Temp\kat1CD4.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat1CD4.tmp" & rd /s /q "C:\ProgramData\HIIIJDAAAAAA" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2948
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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