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Analysis
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max time kernel
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
25/06/2024, 02:50
Static task
static1
Behavioral task
behavioral1
Sample
2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe
Resource
win7-20240611-en
General
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Target
2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe
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Size
2.1MB
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MD5
2741b1690b3a1f114ed6ae25eb818bf4
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SHA1
1e0570c28bcaf408e23683371b12aca35a4845f7
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SHA256
2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d
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SHA512
490168edc1aa5cefe33b1693a1345b3d1d0ec898e9f0b8add5061841ebb0db788108576f7f0eacff8a7b934d8fa42afe1879a82d564714d846cf9d6e7c493907
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SSDEEP
24576:cC/gyrgOo5VvmUfq+Zc1Fsuqf9sDUfMxVVtes12FxwojKr98YGeGGHzqqikY+rPN:c3xbZcjHDUkxVVChjHZQHzqZ+rPlV
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 16 IoCs
resource yara_rule behavioral1/memory/1924-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-18-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-17-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2248-2-0x0000000002200000-0x0000000002310000-memory.dmp family_vidar_v7 behavioral1/memory/1924-167-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-186-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-215-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-241-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-260-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-263-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-435-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-454-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-473-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1924-492-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1924 kat9176.tmp -
Loads dropped DLL 2 IoCs
pid Process 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 2248 set thread context of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat9176.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat9176.tmp -
Delays execution with timeout.exe 1 IoCs
pid Process 1708 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 kat9176.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat9176.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat9176.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1924 kat9176.tmp 1924 kat9176.tmp 1924 kat9176.tmp 1924 kat9176.tmp -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 2248 wrote to memory of 1924 2248 2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe 28 PID 1924 wrote to memory of 1692 1924 kat9176.tmp 33 PID 1924 wrote to memory of 1692 1924 kat9176.tmp 33 PID 1924 wrote to memory of 1692 1924 kat9176.tmp 33 PID 1924 wrote to memory of 1692 1924 kat9176.tmp 33 PID 1692 wrote to memory of 1708 1692 cmd.exe 35 PID 1692 wrote to memory of 1708 1692 cmd.exe 35 PID 1692 wrote to memory of 1708 1692 cmd.exe 35 PID 1692 wrote to memory of 1708 1692 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe"C:\Users\Admin\AppData\Local\Temp\2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\kat9176.tmpC:\Users\Admin\AppData\Local\Temp\kat9176.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat9176.tmp" & rd /s /q "C:\ProgramData\KKEBKJJDGHCB" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:1708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f