Analysis
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max time kernel
197s -
max time network
298s -
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 22:41
Static task
static1
Behavioral task
behavioral1
Sample
bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe
Resource
win10-20240404-en
General
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Target
bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe
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Size
293KB
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MD5
6a94e9f1450b205023e275c69b8688dc
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SHA1
bdf90162ece72fe0a5adde0882b8e1c6718f2770
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SHA256
bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af
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SHA512
0e59abdf1609fbff3284be41b3803a041b4e116c18c6fcf79f7c81ae458716dff4250651585c304564eb36fd5995857a3bfc77b0ed9caea80a5747e60ea839a3
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SSDEEP
6144:B0DV0HujFWz4MPfPxepJzZ+j3yFlxMgvhq+RJrDYkq3lsZAVmTEO:B05Z68pJzE3qMgtRJrvglsi4TEO
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/4700-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-28-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-29-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-45-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-46-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-71-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-72-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-79-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4700-80-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4188-115-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4188-117-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4188-119-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4188-129-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4188-130-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4188-145-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4188-146-0x0000000000400000-0x0000000000657000-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 5088 IEHDBGDHDA.exe 2240 GIJDAFBKFI.exe -
Loads dropped DLL 2 IoCs
pid Process 4700 RegAsm.exe 4700 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 2084 set thread context of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 5088 set thread context of 3492 5088 IEHDBGDHDA.exe 79 PID 2240 set thread context of 4188 2240 GIJDAFBKFI.exe 82 -
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 IEHDBGDHDA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GIJDAFBKFI.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 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.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 3536 timeout.exe -
Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4700 RegAsm.exe 4188 RegAsm.exe 4188 RegAsm.exe 4188 RegAsm.exe 4188 RegAsm.exe 4188 RegAsm.exe 4188 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 2084 wrote to memory of 4700 2084 bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe 74 PID 4700 wrote to memory of 5088 4700 RegAsm.exe 76 PID 4700 wrote to memory of 5088 4700 RegAsm.exe 76 PID 4700 wrote to memory of 5088 4700 RegAsm.exe 76 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 5088 wrote to memory of 3492 5088 IEHDBGDHDA.exe 79 PID 4700 wrote to memory of 2240 4700 RegAsm.exe 80 PID 4700 wrote to memory of 2240 4700 RegAsm.exe 80 PID 4700 wrote to memory of 2240 4700 RegAsm.exe 80 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 2240 wrote to memory of 4188 2240 GIJDAFBKFI.exe 82 PID 4700 wrote to memory of 2912 4700 RegAsm.exe 83 PID 4700 wrote to memory of 2912 4700 RegAsm.exe 83 PID 4700 wrote to memory of 2912 4700 RegAsm.exe 83 PID 2912 wrote to memory of 3536 2912 cmd.exe 85 PID 2912 wrote to memory of 3536 2912 cmd.exe 85 PID 2912 wrote to memory of 3536 2912 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe"C:\Users\Admin\AppData\Local\Temp\bb1d3e11f81580801efd751e641f8be49cbdbc15800aa88d3cf1c4b3b55d08af.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
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:4700 -
C:\ProgramData\IEHDBGDHDA.exe"C:\ProgramData\IEHDBGDHDA.exe"3⤵
- Executes dropped EXE
- 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"4⤵
- System Location Discovery: System Language Discovery
PID:3492
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C:\ProgramData\GIJDAFBKFI.exe"C:\ProgramData\GIJDAFBKFI.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240 -
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:4188
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKKKECBKKECG" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3536
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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
148KB
MD590a1d4b55edf36fa8b4cc6974ed7d4c4
SHA1aba1b8d0e05421e7df5982899f626211c3c4b5c1
SHA2567cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c
SHA512ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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Filesize
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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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
MD50ceb9f24790748c20f92b53967ecdd86
SHA1f5c07080cb4cadd51119d1bd755474d2faa28031
SHA256f2e314315e8cd94d59ab6714ef44d9ce264e35e2ecfc4b20623ca03cfe171c91
SHA5124016cbc80abcfa6b8f5da1e7e076ad9e7b12a9682ff28d06680ab6158c21fb75f029cd828993c56c5a26f69f355568e4f02306886b8d26e3c2e103cbf165598e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD53aaeded037ee80929830277362fc311f
SHA1cf0cae99445688cb983246907fbed8bc5620d0d7
SHA25677cbd42ccbd92f4ffdfee9539967607c85149719f74bf95b9c6323bc57d172b9
SHA512dffd2015737e449c7f8e445fd70aeaa0021057e3cd43a4bc7e90889edae3093e5e9c4a84e8fd4e87ccccc616ce51665c4328a284547c7bf95ccfde7d0233e496
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5e98e577d7908057b4443c54d379d5c51
SHA1819d963257c3050401526b2de1eda11096b75c50
SHA256973cdeba84d97da4bdb60c724d7c948a19668f669fecf6374173c94f007f7bcd
SHA5129e97e4202b6f5bab5ad337b76b4fc0eccace9828161c1395d6e9b611be139433c5eab26a398cccf319253ac3b3751fe2f53fabd29701b71c2b7545b9e47c01a1
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Filesize
101B
MD501615f58e6b261f99db5399c41990759
SHA140bde9760c754639857420098e28ff97b71e5a18
SHA256bdf4704aee665f9cc52a27484846e7ad22415c027e20d8c0509c35943e9bf4fc
SHA512c48f80a08e1fa132fadb267fb8742dfc16f32031faf3d5d52480b2c5ed7c2f037deb78b95282d23fae2abbee15008448ff9197da7a054fff8cfd7fd99e518d2e
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571