Analysis
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max time kernel
91s -
max time network
123s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-05-2024 23:47
Static task
static1
Behavioral task
behavioral1
Sample
e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe
Resource
win10v2004-20240426-en
General
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Target
e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe
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Size
2.0MB
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MD5
c39614b1875d7221569b8b7dca828026
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SHA1
31823c1835e70306c1de9de4611206e15cbc2cf4
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SHA256
e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce
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SHA512
e5ef3a578d2856c98e4531d1dfd24be9f05f7a02a5522761d590954ab5df41d7ce9c5c69dc63908a80040c6d626d81c20f941647e8fc635714463a0ddf792fc3
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SSDEEP
49152:OePpQExJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQExtIuoITsdZ
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/720-1-0x0000000004090000-0x00000000041D9000-memory.dmp family_vidar_v7 behavioral2/memory/3116-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-54-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-55-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-66-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-67-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-68-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3116-71-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat65CE.tmppid process 3116 kat65CE.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:
e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exedescription pid process target process PID 720 set thread context of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.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:
kat65CE.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat65CE.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3892 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat65CE.tmppid process 3116 kat65CE.tmp 3116 kat65CE.tmp 3116 kat65CE.tmp 3116 kat65CE.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exekat65CE.tmpcmd.exedescription pid process target process PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 720 wrote to memory of 3116 720 e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe kat65CE.tmp PID 3116 wrote to memory of 3624 3116 kat65CE.tmp cmd.exe PID 3116 wrote to memory of 3624 3116 kat65CE.tmp cmd.exe PID 3116 wrote to memory of 3624 3116 kat65CE.tmp cmd.exe PID 3624 wrote to memory of 3892 3624 cmd.exe timeout.exe PID 3624 wrote to memory of 3892 3624 cmd.exe timeout.exe PID 3624 wrote to memory of 3892 3624 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe"C:\Users\Admin\AppData\Local\Temp\e0aed276dce5577a467475eda82b4f35bd32175317175aca4dbc6f67afd6f3ce.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Users\Admin\AppData\Local\Temp\kat65CE.tmpC:\Users\Admin\AppData\Local\Temp\kat65CE.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat65CE.tmp" & rd /s /q "C:\ProgramData\BAFCGIJDAFBK" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:3892
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat65CE.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/720-1-0x0000000004090000-0x00000000041D9000-memory.dmpFilesize
1.3MB
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memory/720-0-0x0000000002470000-0x0000000002471000-memory.dmpFilesize
4KB
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memory/720-10-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB
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memory/3116-20-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-22-0x000000001B840000-0x000000001BA9F000-memory.dmpFilesize
2.4MB
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memory/3116-37-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-54-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-55-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-66-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-67-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-68-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3116-71-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB