Analysis
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max time kernel
92s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
01/06/2024, 01:08
Static task
static1
Behavioral task
behavioral1
Sample
07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe
Resource
win10v2004-20240426-en
General
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Target
07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe
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Size
2.4MB
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MD5
e2f8d4aac13ce25e82c537628370bc7b
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SHA1
55716e80307385c2ea4e2f01f2308d8639626ebd
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SHA256
07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31
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SHA512
1ae7139cb940cc5de4ba581ce7f172a5f0bed9ac7cf323e4949f18e2cc7860c51a04bface6169ce8041d405f28b4879f7c43681e4d76bf7967e22bb41f33e68a
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SSDEEP
49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/
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 9 IoCs
resource yara_rule behavioral1/memory/3448-1-0x0000000002B70000-0x0000000002CBC000-memory.dmp family_vidar_v7 behavioral1/memory/4284-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/4284-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/4284-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/4284-22-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/4284-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/4284-26-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/4284-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/4284-44-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4284 kat4B32.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
description pid Process procid_target PID 3448 set thread context of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4B32.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4284 kat4B32.tmp 4284 kat4B32.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86 PID 3448 wrote to memory of 4284 3448 07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe"C:\Users\Admin\AppData\Local\Temp\07a00c230e9e8e0a6898952e757407cef0134e67910848fa4db4bdc30d5c9a31.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Users\Admin\AppData\Local\Temp\kat4B32.tmpC:\Users\Admin\AppData\Local\Temp\kat4B32.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4284
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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