Analysis
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max time kernel
138s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 10:25
Static task
static1
Behavioral task
behavioral1
Sample
9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe
Resource
win10v2004-20240426-en
General
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Target
9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe
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Size
2.0MB
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MD5
5cd50403b4207c7adaef1605f148bdd6
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SHA1
24c5db370391a0c38ca6e86196296bec0d9a8e9f
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SHA256
9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4
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SHA512
f642ec57bb0620d90c4a99481de78f849967aa65badb74bd1a52f828bb7ac5df202e89b7e21ae2a2652fd2258630aed9e97e7d2aee7a6eb0fce29b923bfc7130
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SSDEEP
49152:OePpQE1JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE1tIuoITsdZ
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/1764-1-0x00000000041C0000-0x0000000004309000-memory.dmp family_vidar_v7 behavioral1/memory/912-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/912-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/912-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/912-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/912-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/912-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/912-36-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat8DB9.tmppid process 912 kat8DB9.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:
9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exedescription pid process target process PID 1764 set thread context of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat8DB9.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat8DB9.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat8DB9.tmppid process 912 kat8DB9.tmp 912 kat8DB9.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exedescription pid process target process PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp PID 1764 wrote to memory of 912 1764 9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe kat8DB9.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe"C:\Users\Admin\AppData\Local\Temp\9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat8DB9.tmpC:\Users\Admin\AppData\Local\Temp\kat8DB9.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\kat8DB9.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/912-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/912-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/912-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/912-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/912-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/912-20-0x000000001B780000-0x000000001B9DF000-memory.dmpFilesize
2.4MB
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memory/912-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/912-36-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1764-0-0x0000000000910000-0x0000000000911000-memory.dmpFilesize
4KB
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memory/1764-1-0x00000000041C0000-0x0000000004309000-memory.dmpFilesize
1.3MB
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memory/1764-9-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB