Analysis
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max time kernel
146s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-05-2024 21:34
Static task
static1
Behavioral task
behavioral1
Sample
c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe
Resource
win10v2004-20240426-en
General
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Target
c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe
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Size
2.0MB
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MD5
2f4dcb26db52ee80b6af0912aa28c5ab
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SHA1
5d3fbdcc1d7a06faebd66e5344bad90e9df4fa6d
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SHA256
c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e
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SHA512
0526aae790ca7255576c49fe5244b9288a231ed6807cde51bc2599b1e34f655373d7db1f135455e7018fbaec4522966997172db89194f6c6d7f44e9806cca49d
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SSDEEP
49152:OePpQEJJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEJtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 14 IoCs
Processes:
resource yara_rule behavioral2/memory/1844-1-0x00000000040B0000-0x00000000041F9000-memory.dmp family_vidar_v7 behavioral2/memory/2416-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-51-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-52-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-63-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-64-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-65-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2416-66-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat6AFE.tmppid process 2416 kat6AFE.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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:
c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exedescription pid process target process PID 1844 set thread context of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.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 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6AFE.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6AFE.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2408 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat6AFE.tmppid process 2416 kat6AFE.tmp 2416 kat6AFE.tmp 2416 kat6AFE.tmp 2416 kat6AFE.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exekat6AFE.tmpcmd.exedescription pid process target process PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 1844 wrote to memory of 2416 1844 c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe kat6AFE.tmp PID 2416 wrote to memory of 2900 2416 kat6AFE.tmp cmd.exe PID 2416 wrote to memory of 2900 2416 kat6AFE.tmp cmd.exe PID 2416 wrote to memory of 2900 2416 kat6AFE.tmp cmd.exe PID 2900 wrote to memory of 2408 2900 cmd.exe timeout.exe PID 2900 wrote to memory of 2408 2900 cmd.exe timeout.exe PID 2900 wrote to memory of 2408 2900 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe"C:\Users\Admin\AppData\Local\Temp\c0026928e2e670919b00dac6cfbd73a1470215427bea7df11a0f4319e7839c1e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat6AFE.tmpC:\Users\Admin\AppData\Local\Temp\kat6AFE.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat6AFE.tmp" & rd /s /q "C:\ProgramData\IJECBGIJDGCA" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat6AFE.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1844-10-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB
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memory/1844-1-0x00000000040B0000-0x00000000041F9000-memory.dmpFilesize
1.3MB
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memory/1844-0-0x0000000002380000-0x0000000002381000-memory.dmpFilesize
4KB
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memory/2416-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-20-0x00000000193C0000-0x000000001961F000-memory.dmpFilesize
2.4MB
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memory/2416-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-51-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-52-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-63-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-64-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-65-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2416-66-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB