Analysis
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max time kernel
79s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-09-2024 07:23
Static task
static1
Behavioral task
behavioral1
Sample
6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe
Resource
win11-20240802-en
General
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Target
6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe
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Size
283KB
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MD5
d264213f54193475ffd0301f7d92639f
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SHA1
8e494a7d4b3d54e03a3b27c8dfde51295bb56737
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SHA256
6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d
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SHA512
1a699be3bb71083c35d5c0bbbcb862fdacb71f67fc8c4e34cfa68c52e7ed1b4360c1975ba290d14d95dee8233558e6dfc1b10e628d5da97a2faffced2bb14f92
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SSDEEP
6144:wsBdXzlQZTJm2CMA8E0pNdx651jzTqR0noaLKRUEO:wsBtzloTJm2CMA8qLPm0noaGRUEO
Malware Config
Extracted
vidar
http://147.45.126.10:80
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/1640-3-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-6-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1640-94-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4288-117-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4288-120-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4288-125-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4288-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4288-154-0x0000000000400000-0x0000000000657000-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 1 IoCs
pid Process 1148 JDHIEBFHCA.exe -
Loads dropped DLL 2 IoCs
pid Process 1640 RegAsm.exe 1640 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 2 IoCs
description pid Process procid_target PID 5088 set thread context of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 1148 set thread context of 4288 1148 JDHIEBFHCA.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 4 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 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JDHIEBFHCA.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 -
Delays execution with timeout.exe 1 IoCs
pid Process 616 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1640 RegAsm.exe 1640 RegAsm.exe 1640 RegAsm.exe 1640 RegAsm.exe 1640 RegAsm.exe 1640 RegAsm.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 5088 wrote to memory of 1640 5088 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe 80 PID 1640 wrote to memory of 1148 1640 RegAsm.exe 82 PID 1640 wrote to memory of 1148 1640 RegAsm.exe 82 PID 1640 wrote to memory of 1148 1640 RegAsm.exe 82 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86 PID 1148 wrote to memory of 4288 1148 JDHIEBFHCA.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe"C:\Users\Admin\AppData\Local\Temp\6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088 -
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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\ProgramData\JDHIEBFHCA.exe"C:\ProgramData\JDHIEBFHCA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148 -
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:4288
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C:\ProgramData\BKECBAKFBG.exe"C:\ProgramData\BKECBAKFBG.exe"3⤵PID:3444
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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:2960
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIIEBAAFBFBA" & exit3⤵PID:3604
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:616
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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
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
321KB
MD594c5abd0eccd77846b4e0f641906bb19
SHA13fb0119c89952f61aee14abbe693a293ee916439
SHA256863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b
SHA5124bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9
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Filesize
283KB
MD5e1001c8649ac77faeb446d8ff91f50d2
SHA1c2532c7b108ac61ca439cfd0a7992b26c89dc34b
SHA25605d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087
SHA512a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f
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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
MD58d47da4227341e616eea48814aa48810
SHA19f3a264cfd0c2794b4a19973d3d8508effcdeba7
SHA2561d6880061408e43cd35cbe82809e209ccaed087817e4379b3f921a7a6fe51abd
SHA512e2224571f05f6f3982c8947182f79c42b2f2452abb7d8324b2f47f66b68e9dced73981fe89c7b83010c32d83c525986f06f9dfdf15bb93dc857bbbcc17b52a5d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD505950467d6bb53f31485957bd508f7a8
SHA1635d37ed86923cf5c87d7eb545c935bbbefa2333
SHA256474f4c5452da4229971602a70de7b7797523544d7d131906d91d2589c3e27d8d
SHA512d47f91ffd51999e0b98090e7115dd7905758b2537fdb6a70793859fa62fb1997735069e4e5fdd24af8842e9fc94785a4137cc04c43f8673e4154fb56ba0af07d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD5b7ceb19f15d5f0cffc3792522413917d
SHA1551a26f3ee21d09c54e06b2a40c143065991b056
SHA2565211ff21f2723b9778213b7f119c99c948b1885487cc7ee5a328b6e3092bfbf5
SHA5127f35e902d25c642d58796378acf916687a0de14d6e435ef9e79f083809acef076488ad0a3d8d5eab4a8616455d716646f8a2b66fb4fd32ad7ae3233d8d7a219d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5f7752c790bb9c9e947bfa7baa184d940
SHA1d3fee2ef1f772b9e8c03569bd77012e4e01675d5
SHA2566be6fcf89a0610480a922791443bc810eb2223451bc8c49d1d2d04db1664a3a8
SHA5121f1db62c4fd7f529a3aee3f771bd8b8e8877b9d22655731f2e5597f59da10c0069253f9cbb9a331ba3f2f7ed0072477bc500c26b1c49bc54c0303812e7cf38d1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5079d7017daebb85f1a3a82240398fd97
SHA1de73b40f11c4f902f3467c1b0e2bbd6240be545a
SHA2567dc27eef0ee246c79700e05eacfef57274083e4cf87ab60b1fe42e592e44ded9
SHA51233c019d639296a99e68cbb02d32368329728b2f7d62be6857e8f469e7f096ba719016dcde2446b313e6b75a4057345cba5ba90131aafec367bb0648b37c1e056
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD55c13f53a5701fdaacfefc724a7efce8b
SHA1b971db1ed9b1ce1ff74052c59eac4a1cb85884fe
SHA256f7166f0aabfb7ff88215c18bd9adc09128a01e3734285a776c5564785f3f1a47
SHA512bb3a151ef474fbb5f85a6cbca8180a8ca383520be1150fe7225de06815b0c79e4118272dc321a7c6ce0917c6a51a1d048cd7070a34a1ea557322464cde004f47