Analysis
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max time kernel
133s -
max time network
300s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
19-09-2024 22:35
Static task
static1
Behavioral task
behavioral1
Sample
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
Resource
win10-20240404-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 18 IoCs
resource yara_rule behavioral2/memory/2412-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-28-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-29-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-45-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-46-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-71-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-72-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-79-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2412-80-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2352-115-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2352-117-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2352-119-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2352-129-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2352-130-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2352-141-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2352-142-0x0000000000400000-0x0000000000657000-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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Executes dropped EXE 2 IoCs
pid Process 1116 BKECAEBGHD.exe 3488 HJDAKFBFBF.exe -
Loads dropped DLL 2 IoCs
pid Process 2412 RegAsm.exe 2412 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 4616 set thread context of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 1116 set thread context of 4264 1116 BKECAEBGHD.exe 79 PID 3488 set thread context of 2352 3488 HJDAKFBFBF.exe 86 -
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 BKECAEBGHD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HJDAKFBFBF.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.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 2848 timeout.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2412 RegAsm.exe 2352 RegAsm.exe 2352 RegAsm.exe 2352 RegAsm.exe 2352 RegAsm.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 4616 wrote to memory of 2412 4616 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 74 PID 2412 wrote to memory of 1116 2412 RegAsm.exe 76 PID 2412 wrote to memory of 1116 2412 RegAsm.exe 76 PID 2412 wrote to memory of 1116 2412 RegAsm.exe 76 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 1116 wrote to memory of 4264 1116 BKECAEBGHD.exe 79 PID 2412 wrote to memory of 3488 2412 RegAsm.exe 80 PID 2412 wrote to memory of 3488 2412 RegAsm.exe 80 PID 2412 wrote to memory of 3488 2412 RegAsm.exe 80 PID 3488 wrote to memory of 4040 3488 HJDAKFBFBF.exe 82 PID 3488 wrote to memory of 4040 3488 HJDAKFBFBF.exe 82 PID 3488 wrote to memory of 4040 3488 HJDAKFBFBF.exe 82 PID 3488 wrote to memory of 4892 3488 HJDAKFBFBF.exe 83 PID 3488 wrote to memory of 4892 3488 HJDAKFBFBF.exe 83 PID 3488 wrote to memory of 4892 3488 HJDAKFBFBF.exe 83 PID 3488 wrote to memory of 4372 3488 HJDAKFBFBF.exe 84 PID 3488 wrote to memory of 4372 3488 HJDAKFBFBF.exe 84 PID 3488 wrote to memory of 4372 3488 HJDAKFBFBF.exe 84 PID 3488 wrote to memory of 4952 3488 HJDAKFBFBF.exe 85 PID 3488 wrote to memory of 4952 3488 HJDAKFBFBF.exe 85 PID 3488 wrote to memory of 4952 3488 HJDAKFBFBF.exe 85 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 3488 wrote to memory of 2352 3488 HJDAKFBFBF.exe 86 PID 2412 wrote to memory of 4832 2412 RegAsm.exe 87 PID 2412 wrote to memory of 4832 2412 RegAsm.exe 87 PID 2412 wrote to memory of 4832 2412 RegAsm.exe 87 PID 4832 wrote to memory of 2848 4832 cmd.exe 89 PID 4832 wrote to memory of 2848 4832 cmd.exe 89 PID 4832 wrote to memory of 2848 4832 cmd.exe 89
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:4616 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2412 -
C:\ProgramData\BKECAEBGHD.exe"C:\ProgramData\BKECAEBGHD.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1116 -
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:4264
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C:\ProgramData\HJDAKFBFBF.exe"C:\ProgramData\HJDAKFBFBF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:4040
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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⤵PID:4892
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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⤵PID:4372
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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⤵PID:4952
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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:2352
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EBKKKEGIDBGH" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2848
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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
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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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
MD57ec05ad5ad4ea2f59d78a181b608dfb1
SHA195dfcb1ca8c7c6353bfc940c79f877d491158faa
SHA256197a38efa533f9ff60b730cbc9b5fb604893e8dfb08a9ba85f0e5424779e3759
SHA512da07b1ce6b278f20a93cfb83107be1a96bd134657be71f31b314e981ae9f85a8db50ae10458612bd460baca5e9402d5bce61b11ed648b191be42882273b8c00a
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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
MD55ac6ae02e8927492637ce9fa6a05e33d
SHA19f613b2c106aa2c3ed3335bec23f54e77ca94dfa
SHA256a12d88c21f4f0f42d3fe79cdac9a760be74d6bdc392de28f80fe26b87a33055a
SHA512bfb4bce64c99313e9295dcf3a0ce3ab06063df3b2986171afdff5f6e2d466fa21e2e265714e5e92d2e7d5701122a94731eba128a5c88e3db989899907eaec2c1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5c34b283c9b1911189fede93dc72c133f
SHA12a8bf30c5309ffc6910395ac45e23e5baa383aa5
SHA2560f5526f2b9d0b8b3b74587f820ce172bc8de845dfc9994d09fca8c338acc4029
SHA5122aa8f049bd50c82c45394d5ede212a6ba47eb07327fb065643983c323697f530d42ad1f6585103f5ff0e4adf581e808542f2694aa881436844b05bf19716e7af
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5691c471cd82d4cf5cce6472db36e6a42
SHA16d2aadaa4d71a985ea17ffcb107d3a657b9f7ffa
SHA2568ef03424789c84b16a7d665a816ea01eacbf9748ebcb1744f7252d452bad1ecd
SHA512ba0fa1382263c2d5d240ac2b1a07e45b2cd3221a725a271e8e745e40862b4213adb281b5a96278f6727bb612eb3f07bc3d361e8e34b0d784530ca79ca1368621
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Filesize
104B
MD58df36d4a786602244e113b4a2c54fef6
SHA1eb173f279eed8d3604a788882aeaab86bbba3834
SHA256c7cea698cc2916a2fccf894513300577b0088c8be330310850c862b087d6cf9d
SHA512eddc897ba135e98f948f8e52686d5b4be2165a8de7d041373e1c01f9bb5a8db42a3615f5d982daa9ef132e1e10a875871ecf29f4b2627afaaf7e2fc8de6afee5
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571