Analysis
-
max time kernel
90s -
max time network
101s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-05-2024 12:02
Static task
static1
Behavioral task
behavioral1
Sample
e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe
Resource
win10v2004-20240226-en
General
-
Target
e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe
-
Size
2.0MB
-
MD5
65f9a7c8cf59598e48faceeffeb4a0bd
-
SHA1
7ba1258397afbc5579e95089069594acaddc5f19
-
SHA256
e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd
-
SHA512
e4d87e73c2e1755b3784d818a938d9af2114c5ec3811dafb67fc4e19c1435c21a436aacf224b55d0dc15fe4295a14421f0fe597a3c55e6f8f1b80711ecacf292
-
SSDEEP
49152:s4K3x1vUWJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18WtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/4408-1-0x0000000004020000-0x0000000004169000-memory.dmp family_vidar_v7 behavioral2/memory/2828-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2828-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2828-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2828-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2828-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2828-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2828-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat6ED7.tmppid process 2828 kat6ED7.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exedescription pid process target process PID 4408 set thread context of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6ED7.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6ED7.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat6ED7.tmppid process 2828 kat6ED7.tmp 2828 kat6ED7.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exedescription pid process target process PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp PID 4408 wrote to memory of 2828 4408 e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe kat6ED7.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe"C:\Users\Admin\AppData\Local\Temp\e706c8ab0c03cee6bc4b6e979606789f22c105556be0bc3a7b7104da044681bd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat6ED7.tmpC:\Users\Admin\AppData\Local\Temp\kat6ED7.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
-
C:\Users\Admin\AppData\Local\Temp\kat6ED7.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/2828-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2828-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2828-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2828-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2828-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2828-19-0x00000000193C0000-0x000000001961F000-memory.dmpFilesize
2.4MB
-
memory/2828-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2828-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4408-0-0x0000000002350000-0x0000000002351000-memory.dmpFilesize
4KB
-
memory/4408-1-0x0000000004020000-0x0000000004169000-memory.dmpFilesize
1.3MB
-
memory/4408-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB