Analysis
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max time kernel
146s -
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 03:44
Static task
static1
Behavioral task
behavioral1
Sample
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe
Resource
win10v2004-20240508-en
General
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Target
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe
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Size
2.2MB
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MD5
6fc8653d4a9b8ec0f5776e9ea0772699
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SHA1
6f148abd8bc9f34ab868332bf042ad52b7e80142
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SHA256
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c
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SHA512
4c96ba6ec1e61cb22fe39aabfd8f63e6230700031cc9a41044009904af4ecf5f021739c3d063f842d504cefc764d04e92b3212bc6cf569b388f44710cee4c528
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SSDEEP
49152:qpjNvr9ySAOmw4lHHO+SASagXkJr4MDkUwm:qpjNp7p4lHH8n5A
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 9 IoCs
Processes:
resource yara_rule behavioral2/memory/3324-1-0x00000000040E0000-0x00000000041F0000-memory.dmp family_vidar_v7 behavioral2/memory/3212-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3212-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3212-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3212-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3212-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3212-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3212-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3212-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
Processes:
kat9097.tmppid process 3212 kat9097.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exedescription pid process target process PID 3324 set thread context of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat9097.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat9097.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat9097.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4984 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat9097.tmppid process 3212 kat9097.tmp 3212 kat9097.tmp 3212 kat9097.tmp 3212 kat9097.tmp 3212 kat9097.tmp 3212 kat9097.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exekat9097.tmpcmd.exedescription pid process target process PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3324 wrote to memory of 3212 3324 501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe kat9097.tmp PID 3212 wrote to memory of 496 3212 kat9097.tmp cmd.exe PID 3212 wrote to memory of 496 3212 kat9097.tmp cmd.exe PID 3212 wrote to memory of 496 3212 kat9097.tmp cmd.exe PID 496 wrote to memory of 4984 496 cmd.exe timeout.exe PID 496 wrote to memory of 4984 496 cmd.exe timeout.exe PID 496 wrote to memory of 4984 496 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe"C:\Users\Admin\AppData\Local\Temp\501ad02f24087eeba4abe340d6ad264a1961a931dda4fa45f43231de71c29f8c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\Users\Admin\AppData\Local\Temp\kat9097.tmpC:\Users\Admin\AppData\Local\Temp\kat9097.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat9097.tmp" & rd /s /q "C:\ProgramData\DGIJECGDGCBK" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:4984
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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