Analysis
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max time kernel
195s -
max time network
259s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
30/05/2024, 23:04
Static task
static1
Behavioral task
behavioral1
Sample
6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe
Resource
win7-20240508-en
General
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Target
6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe
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Size
2.0MB
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MD5
dc6c57b2b64e6954ecb098fab260a861
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SHA1
512df27b255ece715a0d5f7751e511f93f8c4140
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SHA256
6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2
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SHA512
6673b5deecc215fab14ea02af94d3ad5ea83f3c8cc2d6c32660ced98405293d51784568a851fd17df1eb3990ce356edd89b99b411736f64a457cc9389c3fdb09
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SSDEEP
49152:OePpQEdJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEdtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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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
resource yara_rule behavioral2/memory/344-2-0x0000000003ED0000-0x0000000004019000-memory.dmp family_vidar_v7 behavioral2/memory/3676-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3676-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3676-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3676-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3676-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3676-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3676-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 3676 kat61C7.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 344 set thread context of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 -
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 kat61C7.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3676 kat61C7.tmp 3676 kat61C7.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73 PID 344 wrote to memory of 3676 344 6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe"C:\Users\Admin\AppData\Local\Temp\6db4da3b6c5aa8cb457d4a3e44eb6e10d0563f06edf83feb4253dde78d9be5f2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:344 -
C:\Users\Admin\AppData\Local\Temp\kat61C7.tmpC:\Users\Admin\AppData\Local\Temp\kat61C7.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3676
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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