Analysis
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max time kernel
90s -
max time network
93s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
27-05-2024 22:03
Static task
static1
Behavioral task
behavioral1
Sample
02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe
Resource
win10v2004-20240508-en
General
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Target
02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe
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Size
1.9MB
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MD5
35ef102935c0d8ac26e3189b299efa95
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SHA1
2bbccff44c8108274798a347491c176fab61e6c0
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SHA256
02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2
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SHA512
17ae86b93de3ac3b0ac81ea68e80b6455453eddf8dac445c4703bbb19535fbff402de8f3b40af313f68a069fae9131b2a1e13689cfdde87d2f2f618ee356a103
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SSDEEP
49152:CdKfTn6vyJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnZtIuoITsdZ
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/4880-1-0x0000000004000000-0x0000000004149000-memory.dmp family_vidar_v7 behavioral2/memory/5080-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-7-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-51-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-52-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-63-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-64-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-65-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/5080-66-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat3E32.tmppid process 5080 kat3E32.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:
02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exedescription pid process target process PID 4880 set thread context of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.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:
kat3E32.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat3E32.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3316 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat3E32.tmppid process 5080 kat3E32.tmp 5080 kat3E32.tmp 5080 kat3E32.tmp 5080 kat3E32.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exekat3E32.tmpcmd.exedescription pid process target process PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 4880 wrote to memory of 5080 4880 02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe kat3E32.tmp PID 5080 wrote to memory of 2464 5080 kat3E32.tmp cmd.exe PID 5080 wrote to memory of 2464 5080 kat3E32.tmp cmd.exe PID 5080 wrote to memory of 2464 5080 kat3E32.tmp cmd.exe PID 2464 wrote to memory of 3316 2464 cmd.exe timeout.exe PID 2464 wrote to memory of 3316 2464 cmd.exe timeout.exe PID 2464 wrote to memory of 3316 2464 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe"C:\Users\Admin\AppData\Local\Temp\02df1457e927ce5d2843c7b0a7db9b52b1eaf5446294fa90df6fcbe1107cbcf2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Users\Admin\AppData\Local\Temp\kat3E32.tmpC:\Users\Admin\AppData\Local\Temp\kat3E32.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat3E32.tmp" & rd /s /q "C:\ProgramData\AAKKECFBGIII" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:3316
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat3E32.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/4880-10-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB
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memory/4880-1-0x0000000004000000-0x0000000004149000-memory.dmpFilesize
1.3MB
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memory/4880-0-0x0000000002320000-0x0000000002321000-memory.dmpFilesize
4KB
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memory/5080-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-7-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-19-0x000000001B880000-0x000000001BADF000-memory.dmpFilesize
2.4MB
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memory/5080-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-51-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-52-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-63-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-64-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-65-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/5080-66-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB