Analysis
-
max time kernel
146s -
max time network
152s -
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 11:53
Static task
static1
Behavioral task
behavioral1
Sample
30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe
Resource
win10v2004-20240426-en
General
-
Target
30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe
-
Size
2.6MB
-
MD5
02a75f49dbffd14c12e3519dad7692c1
-
SHA1
3ee5b208f731fbb76ddc7582833516c8b027adac
-
SHA256
30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4
-
SHA512
bbc0ba2f3662a65a30253829c48bcff3d2c5666785dcf00effc35c1dc5d3dc2eaaa9966f9bf4df6b688ffc17b18565675c4b45eb563ef1dfd741f1756594cec5
-
SSDEEP
49152:XQzIzMiqCNwFJtTF+TxMoxc1TU+j+dAzGwlrh:XY598MtIuoITsdZ
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/2684-2-0x00000000040B0000-0x00000000041F9000-memory.dmp family_vidar_v7 behavioral2/memory/904-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/904-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/904-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/904-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/904-28-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/904-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/904-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat77FF.tmppid process 904 kat77FF.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:
30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exedescription pid process target process PID 2684 set thread context of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat77FF.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat77FF.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat77FF.tmppid process 904 kat77FF.tmp 904 kat77FF.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exedescription pid process target process PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp PID 2684 wrote to memory of 904 2684 30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe kat77FF.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe"C:\Users\Admin\AppData\Local\Temp\30e9067eedeb3776bbc0df18ad99dd7866ac9590dab2b0dc1b6b8c660a0f78b4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Users\Admin\AppData\Local\Temp\kat77FF.tmpC:\Users\Admin\AppData\Local\Temp\kat77FF.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:904
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat77FF.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/904-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/904-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/904-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/904-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/904-21-0x000000002A940000-0x000000002AB9F000-memory.dmpFilesize
2.4MB
-
memory/904-28-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/904-37-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/904-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2684-0-0x0000000002500000-0x0000000002501000-memory.dmpFilesize
4KB
-
memory/2684-2-0x00000000040B0000-0x00000000041F9000-memory.dmpFilesize
1.3MB
-
memory/2684-10-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB