Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
23-04-2023 22:31
Static task
static1
General
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Target
d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe
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Size
346KB
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MD5
c73ec78b44a97c13ad843e3e648866c1
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SHA1
8a3e1acb681ba8dfd2b679aadd02d316395a548d
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SHA256
d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013
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SHA512
29156314730f97162e8468ad273c0b79db9be3764c6631f5d8f33e4b22aa92b3ddc7f85f7e7634294913390d6c487f9942e4abf7c7189201c61ceb72d2d39d89
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SSDEEP
6144:E2npdVsEO9VKKd09YdnZ14uRfcsSiM31NjXAJKpR:5pQEWVKDOtvDwiM3PD
Malware Config
Extracted
vidar
3.5
2234cb18bdcd93ea6f4e5f1473025a81
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
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profile_id_v2
2234cb18bdcd93ea6f4e5f1473025a81
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user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7
Extracted
laplas
http://89.23.97.128
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 10811910662292457782.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 10811910662292457782.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 10811910662292457782.exe -
Executes dropped EXE 3 IoCs
pid Process 3780 10811910662292457782.exe 4748 23914421565837684746.exe 1988 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe -
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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resource yara_rule behavioral1/files/0x000600000001aed3-212.dat upx behavioral1/files/0x000600000001aed3-211.dat upx behavioral1/memory/4748-213-0x0000000000D90000-0x0000000001BF4000-memory.dmp upx behavioral1/memory/4748-215-0x0000000000D90000-0x0000000001BF4000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 10811910662292457782.exe -
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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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 10811910662292457782.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3780 10811910662292457782.exe 1988 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2084 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 26 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3628 wrote to memory of 3780 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 67 PID 3628 wrote to memory of 3780 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 67 PID 3628 wrote to memory of 4748 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 69 PID 3628 wrote to memory of 4748 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 69 PID 3628 wrote to memory of 4384 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 71 PID 3628 wrote to memory of 4384 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 71 PID 3628 wrote to memory of 4384 3628 d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe 71 PID 4748 wrote to memory of 3548 4748 23914421565837684746.exe 70 PID 4748 wrote to memory of 3548 4748 23914421565837684746.exe 70 PID 4384 wrote to memory of 2084 4384 cmd.exe 74 PID 4384 wrote to memory of 2084 4384 cmd.exe 74 PID 4384 wrote to memory of 2084 4384 cmd.exe 74 PID 3548 wrote to memory of 1580 3548 cmd.exe 75 PID 3548 wrote to memory of 1580 3548 cmd.exe 75 PID 3780 wrote to memory of 1988 3780 10811910662292457782.exe 76 PID 3780 wrote to memory of 1988 3780 10811910662292457782.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe"C:\Users\Admin\AppData\Local\Temp\d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\ProgramData\10811910662292457782.exe"C:\ProgramData\10811910662292457782.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:3780 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1988
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C:\ProgramData\23914421565837684746.exe"C:\ProgramData\23914421565837684746.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\23914421565837684746.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1580
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\d74cbb65c3fad022a48f863aa43bf25ce667a75b55a61f5199a6fdd8b972f013.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4384 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:2084
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
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Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
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Filesize
314.4MB
MD5652c726f67db4ca1f95001482270eaf4
SHA1a3052f5d2ec4871d6e197882b3a2a59e85397169
SHA256e37dea5767ec6439906d999600b27ee36d7087c3336407ff23091eeb72195255
SHA512b9b289bfe2db94951b857328f9de41e8104032ab3480676b9fb3c719db343b9dbdb6da96663bb24a08a66aafcb82234f360f45ee2d57dcdd1b60d7f48203f751
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Filesize
289.9MB
MD5b744b66dc20a66ab269be78ccbc9684f
SHA19125798c7062823e43be64f531f4e3f35ff42306
SHA256c7f2caad3172cf43a8a992485c7cf6112e5d7eec87cb60ef1a61092e700c848e
SHA51227e017a0b582d9686f22369a0e8c5a917d44d33687570a9cf755fcb2afba1a21acdae618e274c9581cc6aa9cb8c63db6fa2463174d83e3de19229761074c81b0
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Filesize
339.5MB
MD55bee10dd01c1f85a6501a4068a6462c9
SHA151ba1e0441d732c95533a5bcc47573f39cfef4bf
SHA256df7ec3275886cd56b519ab0a3d5ac32a47f0a559b8ca71a9f0263f6de740aa13
SHA512558560b31ff4853672e4e19b033d8a91b98354248c619165794e93b97383b0048f59fb1d8b916cc7e63e0a800e5454cc92dbb8eb6244cc9f5859deb4827acf80
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571