Resubmissions
11-12-2024 17:42
241211-v97eaaspes 1011-12-2024 17:40
241211-v9bbvaxleq 1001-10-2024 21:39
241001-1h1ejs1hkq 1029-08-2024 12:54
240829-p5n49avaqp 1017-08-2024 17:42
240817-v94y6a1cqp 1017-08-2024 09:57
240817-ly41casgkj 10Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
29-08-2024 12:54
Static task
static1
Behavioral task
behavioral1
Sample
66bddfcb52736_vidar.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
66bddfcb52736_vidar.exe
Resource
win10v2004-20240802-en
General
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Target
66bddfcb52736_vidar.exe
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Size
190KB
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MD5
fedb687ed23f77925b35623027f799bb
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SHA1
7f27d0290ecc2c81bf2b2d0fa1026f54fd687c81
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SHA256
325396d5ffca8546730b9a56c2d0ed99238d48b5e1c3c49e7d027505ea13b8d1
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SHA512
6d1fa39560f4d7ca57905bc57d615acf96b1ef69ca2a4d7c0353278e8d4466298ed87f514463c49d671cb0e3b6a269a78636a10a1e463dba5c83fe067dc5df18
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SSDEEP
3072:XqsEJybpRHuJKKBardRei4UGvI96/ZO6RAkeOCeP9sZy28se:XqsMyNRHuKikUi42KZO6PffmZy2d
Malware Config
Extracted
vidar
https://steamcommunity.com/profiles/76561199751190313
https://t.me/pech0nk
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Signatures
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Detect Vidar Stealer 11 IoCs
resource yara_rule behavioral1/memory/1884-14-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-10-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-18-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-21-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-11-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-23-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-25-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-169-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-188-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-218-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral1/memory/1884-237-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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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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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 2516 set thread context of 1884 2516 66bddfcb52736_vidar.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 66bddfcb52736_vidar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
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 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1884 RegAsm.exe 1884 RegAsm.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2516 wrote to memory of 2360 2516 66bddfcb52736_vidar.exe 30 PID 2516 wrote to memory of 2360 2516 66bddfcb52736_vidar.exe 30 PID 2516 wrote to memory of 2360 2516 66bddfcb52736_vidar.exe 30 PID 2516 wrote to memory of 2360 2516 66bddfcb52736_vidar.exe 30 PID 2516 wrote to memory of 2360 2516 66bddfcb52736_vidar.exe 30 PID 2516 wrote to memory of 2360 2516 66bddfcb52736_vidar.exe 30 PID 2516 wrote to memory of 2360 2516 66bddfcb52736_vidar.exe 30 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31 PID 2516 wrote to memory of 1884 2516 66bddfcb52736_vidar.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\66bddfcb52736_vidar.exe"C:\Users\Admin\AppData\Local\Temp\66bddfcb52736_vidar.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2360
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:1884
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay 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