Analysis
-
max time kernel
147s -
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 00:30
Static task
static1
Behavioral task
behavioral1
Sample
aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe
Resource
win10v2004-20240426-en
General
-
Target
aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe
-
Size
1.9MB
-
MD5
5f65cc5ec4bae6512d7a7afb7d0b7a3a
-
SHA1
be277daf9b4b1cb135727fae6e29882d6acafaf6
-
SHA256
aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0
-
SHA512
6276b51d37474d66ff0fafab9d62ce7136a740b2034ccf02178906550bb13abffafc4a172d3f7eeecaa6fc4574dd4b6796f1dec7b954cdb59660175f1cdf4d74
-
SSDEEP
49152:CdKfTn6v+JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ
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 13 IoCs
Processes:
resource yara_rule behavioral2/memory/4076-1-0x0000000004080000-0x00000000041C9000-memory.dmp family_vidar_v7 behavioral2/memory/2552-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-51-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-52-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-63-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-64-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2552-65-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat4CF7.tmppid process 2552 kat4CF7.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
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:
aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exedescription pid process target process PID 4076 set thread context of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4CF7.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4CF7.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1488 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat4CF7.tmppid process 2552 kat4CF7.tmp 2552 kat4CF7.tmp 2552 kat4CF7.tmp 2552 kat4CF7.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exekat4CF7.tmpcmd.exedescription pid process target process PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 4076 wrote to memory of 2552 4076 aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe kat4CF7.tmp PID 2552 wrote to memory of 2964 2552 kat4CF7.tmp cmd.exe PID 2552 wrote to memory of 2964 2552 kat4CF7.tmp cmd.exe PID 2552 wrote to memory of 2964 2552 kat4CF7.tmp cmd.exe PID 2964 wrote to memory of 1488 2964 cmd.exe timeout.exe PID 2964 wrote to memory of 1488 2964 cmd.exe timeout.exe PID 2964 wrote to memory of 1488 2964 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe"C:\Users\Admin\AppData\Local\Temp\aeeb4854913db08ccbb09ab1c3f5052e39773864f4a77a0cd7ff8f4654d3aed0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Users\Admin\AppData\Local\Temp\kat4CF7.tmpC:\Users\Admin\AppData\Local\Temp\kat4CF7.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4CF7.tmp" & rd /s /q "C:\ProgramData\EBAAAFBGDBKK" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:1488
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat4CF7.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/2552-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-19-0x000000001B7E0000-0x000000001BA3F000-memory.dmpFilesize
2.4MB
-
memory/2552-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-65-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-64-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-63-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-51-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2552-52-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/4076-10-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB
-
memory/4076-0-0x00000000008B0000-0x00000000008B1000-memory.dmpFilesize
4KB
-
memory/4076-1-0x0000000004080000-0x00000000041C9000-memory.dmpFilesize
1.3MB