Analysis
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max time kernel
131s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 04:22
Static task
static1
Behavioral task
behavioral1
Sample
63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe
Resource
win10v2004-20240611-en
General
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Target
63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe
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Size
2.2MB
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MD5
900232062eeb0ddf165752bced356cb2
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SHA1
cd50578d1d35f65bad2c87cc6d3a4b94aa3e9b7c
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SHA256
63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112
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SHA512
8c4435594554b2bab2a19c4ec74d211d77316c04a5c21f33150f5273f6a2e18d9a1be40087a61352e132cecba56753aafb4d9fb3f508a3b34edabd3b89d8e7f1
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXPtU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPa21tuuIeNHYGY0LzjsJxK
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 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1168-1-0x0000000002B40000-0x0000000002C53000-memory.dmp family_vidar_v7 behavioral1/memory/2432-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-33-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-34-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-43-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-59-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-60-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-71-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-72-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-73-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2432-76-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat3A79.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation kat3A79.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat3A79.tmppid process 2432 kat3A79.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 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:
63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exedescription pid process target process PID 1168 set thread context of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.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:
kat3A79.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat3A79.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat3A79.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1320 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat3A79.tmppid process 2432 kat3A79.tmp 2432 kat3A79.tmp 2432 kat3A79.tmp 2432 kat3A79.tmp 2432 kat3A79.tmp 2432 kat3A79.tmp 2432 kat3A79.tmp 2432 kat3A79.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exekat3A79.tmpcmd.exedescription pid process target process PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 1168 wrote to memory of 2432 1168 63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe kat3A79.tmp PID 2432 wrote to memory of 1572 2432 kat3A79.tmp cmd.exe PID 2432 wrote to memory of 1572 2432 kat3A79.tmp cmd.exe PID 2432 wrote to memory of 1572 2432 kat3A79.tmp cmd.exe PID 1572 wrote to memory of 1320 1572 cmd.exe timeout.exe PID 1572 wrote to memory of 1320 1572 cmd.exe timeout.exe PID 1572 wrote to memory of 1320 1572 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe"C:\Users\Admin\AppData\Local\Temp\63c3aff0ea7d4d98bc48d454fc9555eef2889484b789a19dff9916aebd1dd112.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat3A79.tmpC:\Users\Admin\AppData\Local\Temp\kat3A79.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat3A79.tmp" & rd /s /q "C:\ProgramData\GDAECAECFCAA" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat3A79.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1168-0-0x0000000000840000-0x0000000000841000-memory.dmpFilesize
4KB
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memory/1168-1-0x0000000002B40000-0x0000000002C53000-memory.dmpFilesize
1.1MB
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memory/1168-10-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/2432-33-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-34-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-22-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-23-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-26-0x0000000022710000-0x000000002296F000-memory.dmpFilesize
2.4MB
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memory/2432-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-9-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-42-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-43-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-59-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-60-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-71-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-72-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-73-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2432-76-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB