Analysis
-
max time kernel
133s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2024 02:15
Static task
static1
Behavioral task
behavioral1
Sample
f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe
Resource
win7-20240220-en
General
-
Target
f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe
-
Size
1.8MB
-
MD5
2e50c4582f66e1f5afd7ab7f33b476ad
-
SHA1
9d533fcfa22237f6e92f4000c00c7f056f0099fa
-
SHA256
f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26
-
SHA512
28ae738caf09fd0b32ac7b86db219e144dd02f6a1864aedb61e1d1ebbe4f36d8fb9e24c36c8cc1bf979294d2578bc5644369074e0b6507fb8c131f4ca0ec26ce
-
SSDEEP
24576:W7YfUB7F1931tbsYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbsYa8aesY3Ot4N7G/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
-
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/512-1-0x0000000003E10000-0x0000000003F5C000-memory.dmp family_vidar_v7 behavioral2/memory/4512-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4512-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4512-9-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4512-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4512-26-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4512-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4512-44-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat79F3.tmppid process 4512 kat79F3.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:
f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exedescription pid process target process PID 512 set thread context of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat79F3.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat79F3.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat79F3.tmppid process 4512 kat79F3.tmp 4512 kat79F3.tmp 4512 kat79F3.tmp 4512 kat79F3.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exedescription pid process target process PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp PID 512 wrote to memory of 4512 512 f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe kat79F3.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe"C:\Users\Admin\AppData\Local\Temp\f7e5af1ce8f77d8061aab1b679e210c0c03b394f5d835695a6a56f6067fa8b26.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Users\Admin\AppData\Local\Temp\kat79F3.tmpC:\Users\Admin\AppData\Local\Temp\kat79F3.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4512
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f