Analysis
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max time kernel
147s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2023 16:36
Static task
static1
Behavioral task
behavioral1
Sample
Ruzvelt.exe
Resource
win7-20230220-en
General
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Target
Ruzvelt.exe
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Size
336KB
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MD5
9a9f46fcecc308ef34b8148038a16596
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SHA1
0fdc279efc090a9b3e421b28d06b8dc0aef0d2b8
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SHA256
d69aa2521826d527ff78c9fff569d344cb4bbb93bb781d4b7e5d1d29ce1ce1a9
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SHA512
e0bc2cced00b2d0919a8525e6a4b52d9eaac1996c24c99585266ccf9f55833139b00e43a60ba628a0a41c46947b528f5f1659b6162ae9a6a5012cf1be6ead98f
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SSDEEP
6144:KuoFMf8kBfURCidAwGw6DHQuJ8IWtaOgFlO:Kuo08kBf5itGwY38IsaDO
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__ 08285190756176768688.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 08285190756176768688.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 08285190756176768688.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation Ruzvelt.exe -
Executes dropped EXE 3 IoCs
pid Process 3676 08285190756176768688.exe 1416 01779263117642810654.exe 3364 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 956 Ruzvelt.exe 956 Ruzvelt.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 behavioral2/files/0x0002000000022cbb-244.dat upx behavioral2/files/0x0002000000022cbb-247.dat upx behavioral2/files/0x0002000000022cbb-246.dat upx behavioral2/memory/1416-248-0x0000000000980000-0x00000000017E4000-memory.dmp upx behavioral2/memory/1416-249-0x0000000000980000-0x00000000017E4000-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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 08285190756176768688.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 08285190756176768688.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3676 08285190756176768688.exe 3364 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 4976 956 WerFault.exe 84 -
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 Ruzvelt.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Ruzvelt.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 5096 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 44 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 956 Ruzvelt.exe 956 Ruzvelt.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 956 wrote to memory of 3676 956 Ruzvelt.exe 91 PID 956 wrote to memory of 3676 956 Ruzvelt.exe 91 PID 956 wrote to memory of 1416 956 Ruzvelt.exe 93 PID 956 wrote to memory of 1416 956 Ruzvelt.exe 93 PID 956 wrote to memory of 1576 956 Ruzvelt.exe 94 PID 956 wrote to memory of 1576 956 Ruzvelt.exe 94 PID 956 wrote to memory of 1576 956 Ruzvelt.exe 94 PID 1416 wrote to memory of 4812 1416 01779263117642810654.exe 95 PID 1416 wrote to memory of 4812 1416 01779263117642810654.exe 95 PID 4812 wrote to memory of 4984 4812 cmd.exe 99 PID 4812 wrote to memory of 4984 4812 cmd.exe 99 PID 1576 wrote to memory of 5096 1576 cmd.exe 101 PID 1576 wrote to memory of 5096 1576 cmd.exe 101 PID 1576 wrote to memory of 5096 1576 cmd.exe 101 PID 3676 wrote to memory of 3364 3676 08285190756176768688.exe 103 PID 3676 wrote to memory of 3364 3676 08285190756176768688.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\Ruzvelt.exe"C:\Users\Admin\AppData\Local\Temp\Ruzvelt.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:956 -
C:\ProgramData\08285190756176768688.exe"C:\ProgramData\08285190756176768688.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:3676 -
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:3364
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C:\ProgramData\01779263117642810654.exe"C:\ProgramData\01779263117642810654.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\01779263117642810654.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4984
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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\Ruzvelt.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:5096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 22482⤵
- Program crash
PID:4976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 956 -ip 9561⤵PID:1316
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
724.0MB
MD5b0e4948d259bb9d5fe1a32c19075809e
SHA1c39eeb566efb45e5289877c41084c34b4229744c
SHA2561e9704a7d485edcfebdbcda252342d28f5badee281da5dd03082cdf9a0ae5238
SHA512d7c312192ecbb3348b0b0e4436e211b019b00d04b50008c5b849c6946638bdf5cea87d93c20921200e5290b9369f328c1eb5c78d9a32a26349f792d4233fe7cf
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Filesize
724.0MB
MD5b0e4948d259bb9d5fe1a32c19075809e
SHA1c39eeb566efb45e5289877c41084c34b4229744c
SHA2561e9704a7d485edcfebdbcda252342d28f5badee281da5dd03082cdf9a0ae5238
SHA512d7c312192ecbb3348b0b0e4436e211b019b00d04b50008c5b849c6946638bdf5cea87d93c20921200e5290b9369f328c1eb5c78d9a32a26349f792d4233fe7cf