Analysis
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max time kernel
148s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-06-2024 07:31
Static task
static1
Behavioral task
behavioral1
Sample
8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe
Resource
win10v2004-20240508-en
General
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Target
8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe
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Size
2.2MB
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MD5
1f1a51a5ad861fb5aff08039b284deb6
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SHA1
d6a4e142151b13e3fcf38628839f25eda02fb566
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SHA256
8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162
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SHA512
89ca8e7f01538326bc705a45d0a62d37817f22059d162fffabdb6e72ef8812deb46054ae9aaaeae204f69517933a366b222e4e21ca7690c4494eee927222bbbf
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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 8 IoCs
Processes:
resource yara_rule behavioral2/memory/2072-2-0x0000000004070000-0x0000000004180000-memory.dmp family_vidar_v7 behavioral2/memory/244-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/244-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/244-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/244-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/244-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/244-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/244-43-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat68DC.tmppid process 244 kat68DC.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:
8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exedescription pid process target process PID 2072 set thread context of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat68DC.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat68DC.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat68DC.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat68DC.tmppid process 244 kat68DC.tmp 244 kat68DC.tmp 244 kat68DC.tmp 244 kat68DC.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exedescription pid process target process PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp PID 2072 wrote to memory of 244 2072 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe kat68DC.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe"C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Users\Admin\AppData\Local\Temp\kat68DC.tmpC:\Users\Admin\AppData\Local\Temp\kat68DC.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:244
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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