Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 08:18
Static task
static1
Behavioral task
behavioral1
Sample
d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe
Resource
win10v2004-20240426-en
General
-
Target
d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe
-
Size
2.0MB
-
MD5
9aec867a5aaabd079650dc3613ca2d15
-
SHA1
b5b010e3822cb88f8fefd29170da38e56d989d1d
-
SHA256
d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291
-
SHA512
816b280b81a1e4a81bec0388b9cd5339391dd7e3e543af6a2e0f479186c7855e40801ba00eba1d23f2da29a3882566c957949197bb59c7df1ec6f69734c9cbbb
-
SSDEEP
49152:s4K3x1vUSJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18StIuoITsdZ
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 behavioral1/memory/4328-1-0x00000000040B0000-0x00000000041F9000-memory.dmp family_vidar_v7 behavioral1/memory/3148-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3148-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3148-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3148-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3148-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3148-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3148-36-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat51F8.tmppid process 3148 kat51F8.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:
d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exedescription pid process target process PID 4328 set thread context of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat51F8.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat51F8.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat51F8.tmppid process 3148 kat51F8.tmp 3148 kat51F8.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exedescription pid process target process PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp PID 4328 wrote to memory of 3148 4328 d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe kat51F8.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe"C:\Users\Admin\AppData\Local\Temp\d584567459810485f61fca3f3ca22b56de9a14aeb3ef3b40de6e6fd301db8291.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat51F8.tmpC:\Users\Admin\AppData\Local\Temp\kat51F8.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\kat51F8.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/3148-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3148-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3148-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3148-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3148-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3148-20-0x000000001B7D0000-0x000000001BA2F000-memory.dmpFilesize
2.4MB
-
memory/3148-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3148-36-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4328-0-0x00000000008C0000-0x00000000008C1000-memory.dmpFilesize
4KB
-
memory/4328-1-0x00000000040B0000-0x00000000041F9000-memory.dmpFilesize
1.3MB
-
memory/4328-10-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB