Analysis
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max time kernel
94s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 09:24
Static task
static1
Behavioral task
behavioral1
Sample
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
Resource
win10v2004-20240802-en
General
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Target
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
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Size
292KB
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MD5
89599341387624a951de84b66f9ec572
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SHA1
e44a6665fecc1b38903a01c72901ee88e618f077
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SHA256
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5
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SHA512
9e7f25b5e6704dc91bbbc9ba1e1528b2c34d81ead50ad3cdf6b3b4911a044e5b9d733d0882316cc97735971ff3aadf9b5117af355a6ca48a6ac96610668465cd
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SSDEEP
6144:oE8c1gkq908NkcFaTLaol+j17zPDr/MMUxc4EO:Wc1T78NkeaTLKzLrLAEO
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
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Detect Vidar Stealer 20 IoCs
resource yara_rule behavioral2/memory/1084-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-27-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-28-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-44-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-45-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-61-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-62-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-86-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-87-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-94-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1084-95-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4956-141-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4956-145-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4956-143-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4956-154-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4956-155-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4956-170-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4956-171-0x0000000000400000-0x0000000000657000-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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 3108 BAAFCAFCBK.exe 2724 GHCAKKEGCA.exe -
Loads dropped DLL 2 IoCs
pid Process 1084 RegAsm.exe 1084 RegAsm.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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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 3 IoCs
description pid Process procid_target PID 2992 set thread context of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 3108 set thread context of 456 3108 BAAFCAFCBK.exe 96 PID 2724 set thread context of 4956 2724 GHCAKKEGCA.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 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 RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BAAFCAFCBK.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GHCAKKEGCA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe -
Checks processor information in registry 2 TTPs 4 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 RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3472 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1084 RegAsm.exe 1084 RegAsm.exe 1084 RegAsm.exe 1084 RegAsm.exe 1084 RegAsm.exe 1084 RegAsm.exe 1084 RegAsm.exe 1084 RegAsm.exe 4956 RegAsm.exe 4956 RegAsm.exe 4956 RegAsm.exe 4956 RegAsm.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2168 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 83 PID 2992 wrote to memory of 2168 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 83 PID 2992 wrote to memory of 2168 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 83 PID 2992 wrote to memory of 4948 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 2992 wrote to memory of 4948 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 2992 wrote to memory of 4948 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 2992 wrote to memory of 1084 2992 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 85 PID 1084 wrote to memory of 3108 1084 RegAsm.exe 93 PID 1084 wrote to memory of 3108 1084 RegAsm.exe 93 PID 1084 wrote to memory of 3108 1084 RegAsm.exe 93 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 3108 wrote to memory of 456 3108 BAAFCAFCBK.exe 96 PID 1084 wrote to memory of 2724 1084 RegAsm.exe 97 PID 1084 wrote to memory of 2724 1084 RegAsm.exe 97 PID 1084 wrote to memory of 2724 1084 RegAsm.exe 97 PID 2724 wrote to memory of 3652 2724 GHCAKKEGCA.exe 99 PID 2724 wrote to memory of 3652 2724 GHCAKKEGCA.exe 99 PID 2724 wrote to memory of 3652 2724 GHCAKKEGCA.exe 99 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 2724 wrote to memory of 4956 2724 GHCAKKEGCA.exe 100 PID 1084 wrote to memory of 2080 1084 RegAsm.exe 101 PID 1084 wrote to memory of 2080 1084 RegAsm.exe 101 PID 1084 wrote to memory of 2080 1084 RegAsm.exe 101 PID 2080 wrote to memory of 3472 2080 cmd.exe 103 PID 2080 wrote to memory of 3472 2080 cmd.exe 103 PID 2080 wrote to memory of 3472 2080 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe"C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2168
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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⤵PID:4948
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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⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\ProgramData\BAAFCAFCBK.exe"C:\ProgramData\BAAFCAFCBK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:456
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C:\ProgramData\GHCAKKEGCA.exe"C:\ProgramData\GHCAKKEGCA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:3652
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4956
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGHCBKKKFHCG" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3472
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD54c4bf9e4d624f1045d8f73ed7f97dc3e
SHA11d78800f4a780fc6f75a778faeed2baaf84f2206
SHA2566dcfee83067db655225002d6ee68c1948d82de8a4b488355fbdee6fce73638db
SHA5124c950580ec4fb088382f066948964846bbee5d575eac1f70253e5adc3c09f071d398c1b6eb42fb2a00e017ba2a344ef6709c6f321a5b38db8bd39933989494bb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD59541342916b0c5b0ee2f6062398b867f
SHA146fc51b5aa29f366ef96946c16cbe9b7f67c9392
SHA256e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740
SHA512d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD59ea353ed4fed6ed641da2a1a1e66cbf3
SHA142cf55d3608819795042c23df5f18fcd2b6b0c58
SHA2565245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485
SHA5127476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5087d354d5449465ba9bfe28455e2a600
SHA11047e63b87c6c0d755f99444ed36f852c88fce72
SHA2562b71731553479d4ebddf4b6356cbbabcac44c9e4cbb5e7d64e1f994fb4cf5a9a
SHA512451ee68c13652da70864741ec205f9f22f1be55f80e6be4b6addf0a89413e26c2f2a2287587c4b47a7501ea270cf60b725343836aa10f589dfcae64cb3cf8bde
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD514c5aea8c47f0cd9d35fa480cf9a1266
SHA172605622adef018eb2282048c94c6afa95dec56d
SHA25617729ae4a256bbaa7345b004c33dfaa06148c893df86198a058693ae5c035169
SHA5126c6a7e5541c07bf9182443e56b22246b5cf337b89fe4e5ecb25c818ee7f563731c79842895c5bad34f962630a21dc8c32412bfed4bd8a89efcd7adfbfd876daa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5fa39257eaa1463f7624221d5f23f0bcc
SHA194c90cde1ac6e8d5d09ff5d5afdfcf8bb25b206d
SHA2563181cb72587620fd9c158c1e93a15277bb1e5acd507c1cb7c4921e59da05022c
SHA512e0eff6039ef1f8378514c5216f13887591681fdf37436ac91f15d23b85dff2600bb0809565864bbb14d9427d1ea31965ae87e12240ab6471399a45eea8e43d23