Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
26-04-2023 09:10
Static task
static1
General
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Target
67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe
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Size
333KB
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MD5
b316e2ac6668b35bd30898273f7a0846
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SHA1
002c02a3d5d6c1435e1ec073fb6563b7220d5a40
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SHA256
67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64
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SHA512
9f71dfdbb652546bafb6aa99f61247e47b34dd393f22633f346aa12c2058b52db0be4f7400e43351a0acac084bf1bb3356a92c32734291561b4c91a3d20acdef
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SSDEEP
6144:dw1twTaGAIOxpYjQ/FxvcyMVt6qHGEpHC3E4cE5aT:i1TGAIcYE/bcymt6xEHEEeK
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__ 59726976238334979407.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 59726976238334979407.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 59726976238334979407.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe -
Executes dropped EXE 3 IoCs
pid Process 5020 59726976238334979407.exe 4660 98782365010170354769.exe 3188 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.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/0x000600000001aefc-211.dat upx behavioral1/files/0x000600000001aefc-212.dat upx behavioral1/memory/4660-214-0x0000000000CC0000-0x0000000001B24000-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" 59726976238334979407.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 59726976238334979407.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 5020 59726976238334979407.exe 3188 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 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4760 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 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1804 wrote to memory of 5020 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 67 PID 1804 wrote to memory of 5020 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 67 PID 1804 wrote to memory of 4660 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 69 PID 1804 wrote to memory of 4660 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 69 PID 4660 wrote to memory of 4396 4660 98782365010170354769.exe 70 PID 4660 wrote to memory of 4396 4660 98782365010170354769.exe 70 PID 1804 wrote to memory of 4980 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 72 PID 1804 wrote to memory of 4980 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 72 PID 1804 wrote to memory of 4980 1804 67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe 72 PID 4396 wrote to memory of 3212 4396 cmd.exe 73 PID 4396 wrote to memory of 3212 4396 cmd.exe 73 PID 4980 wrote to memory of 4760 4980 cmd.exe 75 PID 4980 wrote to memory of 4760 4980 cmd.exe 75 PID 4980 wrote to memory of 4760 4980 cmd.exe 75 PID 5020 wrote to memory of 3188 5020 59726976238334979407.exe 76 PID 5020 wrote to memory of 3188 5020 59726976238334979407.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe"C:\Users\Admin\AppData\Local\Temp\67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\ProgramData\59726976238334979407.exe"C:\ProgramData\59726976238334979407.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:5020 -
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:3188
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C:\ProgramData\98782365010170354769.exe"C:\ProgramData\98782365010170354769.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\98782365010170354769.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3212
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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\67770d3ab80bd1d5d9c2be66f5bb8084f61c15a3060f84cdba21852e9609eb64.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4760
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
440.7MB
MD5478621d83090fda54edd90cea8a88ffc
SHA1bd7567792665fdd70ceba61aeb37e976fecb6b46
SHA25655dbd396850ad36c847a2a44edaf7ea9fd3ae6fff0873ad64150fff9878c1cb6
SHA512d64af1af16541b9501b4e21ef40f025427802447eec354324cecf656bcb31fc41cb207758463a4079863a7926ddca23cb62ded568744f334d2e7e2e52c0101f6
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Filesize
402.3MB
MD5e75d3838a5a90049114856ae060b0c51
SHA1db1d2adc64624623619e16592c730dbd9ff9c03e
SHA256380d64974859598fe93db78a8816f60adc1bfcb687a4bf6a7ce0a68c2277b03a
SHA512c8f452fc4039b564e01a9167e41946854478f87997f982a3f695db152eb2618b3c86d53b56b9e28920b0e9a12deac5e390b6283e00c2bf00be50548036e72a0f
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Filesize
335.9MB
MD5df3666543ddc00529397ccc23e5c0da5
SHA19fafe6738d58bcbc27f2b4877b296b68943b5e55
SHA256b33e697f69613ad239c23cf3edaa747b0cc08105ceaf48bf4ea0e911ba707991
SHA512d4c0492550598b8e3d3925ed37d48d240171d66b75c9917b62a57124bf02c6cfe3aeaa8c960a59b2522a5e6ea0a03f35a1f668c2e2c51e3617ecabe6fe70ac3f
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571