Analysis
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max time kernel
192s -
max time network
309s -
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 01:39
Static task
static1
Behavioral task
behavioral1
Sample
c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe
Resource
win7-20240215-en
General
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Target
c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe
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Size
2.4MB
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MD5
eac49c64b642a577ebaf02471b786a63
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SHA1
9aa51411e064829d95f217ca9ee7daac90f44ada
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SHA256
c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47
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SHA512
f5a3f6185d9c0ca0ba9ddd70406ebbed132cb56ee2a325468727e89cf0ca876b86ae4658e36473d5481d4539f7fd8f4293a6e746d9bc20e223326aa8189f9ac3
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SSDEEP
49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/3256-9-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3256-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3256-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2184-2-0x0000000003F00000-0x000000000404C000-memory.dmp family_vidar_v7 behavioral2/memory/3256-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3256-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3256-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3256-35-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat7743.tmppid process 3256 kat7743.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exedescription pid process target process PID 2184 set thread context of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat7743.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat7743.tmp -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat7743.tmppid process 3256 kat7743.tmp 3256 kat7743.tmp 3256 kat7743.tmp 3256 kat7743.tmp 3256 kat7743.tmp 3256 kat7743.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exedescription pid process target process PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp PID 2184 wrote to memory of 3256 2184 c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe kat7743.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe"C:\Users\Admin\AppData\Local\Temp\c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\kat7743.tmpC:\Users\Admin\AppData\Local\Temp\kat7743.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3256
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f