Analysis
-
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
28-05-2024 04:17
Static task
static1
Behavioral task
behavioral1
Sample
2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe
Resource
win10v2004-20240508-en
General
-
Target
2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe
-
Size
1.9MB
-
MD5
f8e333a3085037c381e8e5010cd9b905
-
SHA1
b27481251b7131efc755614dc9f956bfee6372c9
-
SHA256
2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb
-
SHA512
f581ecc71953f91ec559cf9fa3478a6e7a7aa7db0ac5c5560007ba41bc493a14d28c3df6f3083599f990b5c881e4761b930ec96814ffb32ed4cec0089266062e
-
SSDEEP
49152:CdKfTn6vmJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ
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/2140-2-0x00000000040A0000-0x00000000041E9000-memory.dmp family_vidar_v7 behavioral2/memory/4972-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4972-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4972-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4972-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4972-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4972-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4972-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat7232.tmppid process 4972 kat7232.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:
2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exedescription pid process target process PID 2140 set thread context of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat7232.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat7232.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat7232.tmppid process 4972 kat7232.tmp 4972 kat7232.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exedescription pid process target process PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp PID 2140 wrote to memory of 4972 2140 2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe kat7232.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe"C:\Users\Admin\AppData\Local\Temp\2563cb58dc7ec2280bec11b851383dc3f03d47877ff7793ca83b7cddbdc7afeb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Users\Admin\AppData\Local\Temp\kat7232.tmpC:\Users\Admin\AppData\Local\Temp\kat7232.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4972
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat7232.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/2140-0-0x0000000002340000-0x0000000002341000-memory.dmpFilesize
4KB
-
memory/2140-2-0x00000000040A0000-0x00000000041E9000-memory.dmpFilesize
1.3MB
-
memory/2140-10-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB
-
memory/4972-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4972-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4972-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4972-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4972-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4972-19-0x0000000019380000-0x00000000195DF000-memory.dmpFilesize
2.4MB
-
memory/4972-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4972-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB