Analysis
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max time kernel
133s -
max time network
253s -
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 22:39
Static task
static1
Behavioral task
behavioral1
Sample
a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe
Resource
win10-20240404-en
General
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Target
a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe
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Size
283KB
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MD5
3817c947e0d26bde329f7481b6d76709
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SHA1
8f1003d9bd8194b486634df3bbe6dbd64b923e9f
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SHA256
a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75
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SHA512
79cff23f8fad0c1ad2cfcda5f7ab1e4b618c4d49fb4a488cb986b1f708ebe94fb0751f9a6d99e4acebef4a70e4c101bb60db85455bdfbeaa66b5246672698017
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SSDEEP
6144:J4C2lKti9a/UIPZHrk6BcHvJ1rOjMmmqAZMzLswInEO:J4iwerk6qHrCMmbEyABEO
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/4116-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-27-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-28-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-44-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-45-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-71-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-72-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-79-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4116-80-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4328-115-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4328-119-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4328-117-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4328-129-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4328-130-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4328-141-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4328-142-0x0000000000400000-0x0000000000657000-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 3504 AFHDHCAAKE.exe 4172 BAKFCBFHJD.exe -
Loads dropped DLL 2 IoCs
pid Process 4116 RegAsm.exe 4116 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 500 set thread context of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 3504 set thread context of 2872 3504 AFHDHCAAKE.exe 81 PID 4172 set thread context of 4328 4172 BAKFCBFHJD.exe 84 -
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 BAKFCBFHJD.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 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AFHDHCAAKE.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 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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2368 timeout.exe -
Suspicious behavior: EnumeratesProcesses 38 IoCs
pid Process 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4116 RegAsm.exe 4328 RegAsm.exe 4328 RegAsm.exe 4328 RegAsm.exe 4328 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 500 wrote to memory of 4116 500 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe 76 PID 4116 wrote to memory of 3504 4116 RegAsm.exe 78 PID 4116 wrote to memory of 3504 4116 RegAsm.exe 78 PID 4116 wrote to memory of 3504 4116 RegAsm.exe 78 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 3504 wrote to memory of 2872 3504 AFHDHCAAKE.exe 81 PID 4116 wrote to memory of 4172 4116 RegAsm.exe 82 PID 4116 wrote to memory of 4172 4116 RegAsm.exe 82 PID 4116 wrote to memory of 4172 4116 RegAsm.exe 82 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4172 wrote to memory of 4328 4172 BAKFCBFHJD.exe 84 PID 4116 wrote to memory of 4708 4116 RegAsm.exe 85 PID 4116 wrote to memory of 4708 4116 RegAsm.exe 85 PID 4116 wrote to memory of 4708 4116 RegAsm.exe 85 PID 4708 wrote to memory of 2368 4708 cmd.exe 87 PID 4708 wrote to memory of 2368 4708 cmd.exe 87 PID 4708 wrote to memory of 2368 4708 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe"C:\Users\Admin\AppData\Local\Temp\a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:500 -
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:4116 -
C:\ProgramData\AFHDHCAAKE.exe"C:\ProgramData\AFHDHCAAKE.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3504 -
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:2872
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C:\ProgramData\BAKFCBFHJD.exe"C:\ProgramData\BAKFCBFHJD.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4172 -
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:4328
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BAAAKJDAAFBA" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2368
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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
MD5a12a27fca95005696cddcdb7413e32af
SHA1901a2b2619bd9e534ded29ed814f637a339fb4ee
SHA2560897fd4dbc988665173217cf200d18ffb0e23cba19d094dcb216cff9fec690bc
SHA512d759d038db1b76e2e45c98c3cd6c5d993d44051f2446b7cf1293366629ca59e3f90c57aab4d3e2d727c425117194d0b5dae11f861757b8546207bc0a3b85b12b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5c4a93dce3098c91b7d3f202d38e897dc
SHA143157f8551b848dfa56b8a7a1ca516e55c6731f4
SHA256da87e638dee9860bed64d927e000ede8e9dd883bd1512ddb30c2331fdf878c17
SHA51201d857473cd48df06b5ec739e64f09e39f150cd69e01071ae6c3e8b9ccd92b3b5a7cbc8ef7dc184223d20b9b7559167d74eebd6d051c4c9008c982090af6b65a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5f2b5ab57c747b7c82c920f075955261e
SHA1409ffc1cec63b07987e629a8b818161aadd42e62
SHA256ee10d75ad7be1afaaa92a3e03dd9e129ae0cb21593796ced05580db61eb307d2
SHA512c03fe2ade1a49a1cb8d2e60257f43e161cc2a8ae7d0f131852734529d493f56be16cb1d6e89dabd0c62b7576f1e16bba9b826fc91adadc8ae0ca5e0272468848
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Filesize
101B
MD59333600f5c9a18a374e588052da343d0
SHA1a43240394b030b6bdd0878e610e78e4d364976b2
SHA25647403bbfb1da998f51de38a4aa1adf754fba7197a6ef56ee212b11b6d172dbba
SHA512e8c1d4a3f59b3b78d55b99c4cfe3f3ab78fbd5b8d9f9c2fb3e3cc94a0a13770ec0461e21fa2f2b69669e75e7c2082111505f8810d366ffc838bfd8c8b6c07f37
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571