Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2023 04:24
Static task
static1
General
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Target
6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe
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Size
446KB
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MD5
ee31149cf50130f5be9d06c24c6486d5
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SHA1
7d8958990c518e8f4acf9b9e6aab019af95dcc7f
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SHA256
6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3
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SHA512
f705ebd2f44f68acbf0b44639e6a2b1c241b0ad0c175a3f0101b1305af87c8539720190e82435c139642d0205b35cfd6e37c30dc32455af5c8470c44ca443f58
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SSDEEP
12288:uVudniSFFIzjUCOBJ4wotkxLUTeAvXliaQz:uwdniSD6j/OqtUAvYz
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__ 40262257630256292610.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\VideoBiosVersion 40262257630256292610.exe 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 40262257630256292610.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe -
Executes dropped EXE 3 IoCs
pid Process 2584 40262257630256292610.exe 3604 27921567008452819244.exe 3616 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.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/0x000300000001e7f0-238.dat upx behavioral1/files/0x000300000001e7f0-240.dat upx behavioral1/files/0x000300000001e7f0-241.dat upx behavioral1/memory/3604-245-0x0000000000050000-0x0000000000EB4000-memory.dmp upx behavioral1/memory/3604-249-0x0000000000050000-0x0000000000EB4000-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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 40262257630256292610.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 40262257630256292610.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2584 40262257630256292610.exe 3616 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 3360 2828 WerFault.exe 83 -
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 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 5008 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 50 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2828 wrote to memory of 2584 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 87 PID 2828 wrote to memory of 2584 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 87 PID 2828 wrote to memory of 3604 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 89 PID 2828 wrote to memory of 3604 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 89 PID 3604 wrote to memory of 3492 3604 27921567008452819244.exe 91 PID 3604 wrote to memory of 3492 3604 27921567008452819244.exe 91 PID 2828 wrote to memory of 4160 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 93 PID 2828 wrote to memory of 4160 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 93 PID 2828 wrote to memory of 4160 2828 6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe 93 PID 3492 wrote to memory of 4952 3492 cmd.exe 99 PID 3492 wrote to memory of 4952 3492 cmd.exe 99 PID 4160 wrote to memory of 5008 4160 cmd.exe 98 PID 4160 wrote to memory of 5008 4160 cmd.exe 98 PID 4160 wrote to memory of 5008 4160 cmd.exe 98 PID 2584 wrote to memory of 3616 2584 40262257630256292610.exe 102 PID 2584 wrote to memory of 3616 2584 40262257630256292610.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe"C:\Users\Admin\AppData\Local\Temp\6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\ProgramData\40262257630256292610.exe"C:\ProgramData\40262257630256292610.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:2584 -
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:3616
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C:\ProgramData\27921567008452819244.exe"C:\ProgramData\27921567008452819244.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\27921567008452819244.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4952
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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\6c5fdf2df9495d13687cbf54e06f98af6571375503ffc9688baac738a55f0bd3.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:5008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 22882⤵
- Program crash
PID:3360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2828 -ip 28281⤵PID:3200
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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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
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
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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
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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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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Filesize
788.0MB
MD5e8001d49b00188b016ed3d051a7601f6
SHA1aec1313a638b088d87ec2bce4895922b90c4c9d1
SHA256d539a2ab8b0cb603b6039d9c1e9ef69bcdb27c0241685a7f73c11b1a90c7ed9f
SHA51204de47e41b07826b85814031063c73853d8d46db97f4cad6826bba4ca6806adbf64cfd4dfc6d4f8f66119362b5e38cc91067a9a8cd4755754852c78adf1be732
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Filesize
788.0MB
MD5e8001d49b00188b016ed3d051a7601f6
SHA1aec1313a638b088d87ec2bce4895922b90c4c9d1
SHA256d539a2ab8b0cb603b6039d9c1e9ef69bcdb27c0241685a7f73c11b1a90c7ed9f
SHA51204de47e41b07826b85814031063c73853d8d46db97f4cad6826bba4ca6806adbf64cfd4dfc6d4f8f66119362b5e38cc91067a9a8cd4755754852c78adf1be732