Analysis
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max time kernel
134s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 07:56
Static task
static1
Behavioral task
behavioral1
Sample
ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe
Resource
win10v2004-20240508-en
General
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Target
ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe
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Size
1.9MB
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MD5
c0f6798fbe2813bf784b983ab3c97965
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SHA1
26d0955460d0b870af1e518a7dc965704b3cab42
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SHA256
ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10
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SHA512
02dd93d585495d6f87d26e70bbcd478a379f013341f9012f048ea2e92d56c6ede9508e3a4b992b0c92d280d00040e08cfe7ca761fc95af136586ff8a6fbf67a2
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SSDEEP
49152:CdKfTn6v2JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ
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 8 IoCs
Processes:
resource yara_rule behavioral1/memory/3188-2-0x0000000004010000-0x0000000004159000-memory.dmp family_vidar_v7 behavioral1/memory/1652-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1652-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1652-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1652-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1652-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1652-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1652-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat4362.tmppid process 1652 kat4362.tmp -
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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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:
ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exedescription pid process target process PID 3188 set thread context of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4362.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4362.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat4362.tmppid process 1652 kat4362.tmp 1652 kat4362.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exedescription pid process target process PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp PID 3188 wrote to memory of 1652 3188 ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe kat4362.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe"C:\Users\Admin\AppData\Local\Temp\ddebb2135dc902f13fc83ae2db7564670c68cdf337b98556691e58f998b7db10.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat4362.tmpC:\Users\Admin\AppData\Local\Temp\kat4362.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat4362.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1652-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1652-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1652-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1652-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1652-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1652-17-0x0000000023B00000-0x0000000023D5F000-memory.dmpFilesize
2.4MB
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memory/1652-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1652-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3188-0-0x0000000002340000-0x0000000002341000-memory.dmpFilesize
4KB
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memory/3188-2-0x0000000004010000-0x0000000004159000-memory.dmpFilesize
1.3MB
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memory/3188-9-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB