Analysis
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max time kernel
98s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2023 18:00
Static task
static1
Behavioral task
behavioral1
Sample
Ruzvelt.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Ruzvelt.exe
Resource
win10v2004-20230220-en
General
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Target
Ruzvelt.exe
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Size
323KB
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MD5
8df55f8e4ab4239038acf21740a4f87d
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SHA1
0083cb226b4ee13bb8969c986b7a0f5231f3ddb9
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SHA256
75ef360d79e718d7beea4d9be1d884fe6330acc849a2847ed99d0f9dc5108458
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SHA512
675db6678e433f3d5607c771374d5bb779ef3241547fbb36bdc6f5b08ea5311bd050643c6589b8aa6613ee4ad7d1f55e0220cd7e5379b7962a5426a1190611c2
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SSDEEP
6144:ZhP3h3O6Nv/F92K4ehDuB+4NdbMftfebj5egb:Zdhe6Nv/j2y0s4jKtfcv
Malware Config
Extracted
vidar
3.4
e749025c61b2caca10aa829a9e1a65a1
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
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profile_id_v2
e749025c61b2caca10aa829a9e1a65a1
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user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0
Extracted
laplas
http://185.106.92.74
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation Ruzvelt.exe Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 22094859543111259006.exe -
Executes dropped EXE 3 IoCs
pid Process 4236 22094859543111259006.exe 3100 89091226620949168085.exe 3800 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 4540 Ruzvelt.exe 4540 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/0x000600000002318f-242.dat upx behavioral2/files/0x000600000002318f-244.dat upx behavioral2/files/0x000600000002318f-245.dat upx behavioral2/memory/3100-246-0x0000000000500000-0x0000000001363000-memory.dmp upx behavioral2/memory/3100-247-0x0000000000500000-0x0000000001363000-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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 22094859543111259006.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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Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 4236 22094859543111259006.exe 4236 22094859543111259006.exe 3800 svcservice.exe 3800 svcservice.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 796 4540 WerFault.exe 81 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Ruzvelt.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Ruzvelt.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4300 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4540 Ruzvelt.exe 4540 Ruzvelt.exe 4236 22094859543111259006.exe 4236 22094859543111259006.exe 3800 svcservice.exe 3800 svcservice.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4540 wrote to memory of 4236 4540 Ruzvelt.exe 88 PID 4540 wrote to memory of 4236 4540 Ruzvelt.exe 88 PID 4540 wrote to memory of 4236 4540 Ruzvelt.exe 88 PID 4540 wrote to memory of 3100 4540 Ruzvelt.exe 90 PID 4540 wrote to memory of 3100 4540 Ruzvelt.exe 90 PID 3100 wrote to memory of 680 3100 89091226620949168085.exe 91 PID 3100 wrote to memory of 680 3100 89091226620949168085.exe 91 PID 680 wrote to memory of 4016 680 cmd.exe 93 PID 680 wrote to memory of 4016 680 cmd.exe 93 PID 4540 wrote to memory of 2076 4540 Ruzvelt.exe 94 PID 4540 wrote to memory of 2076 4540 Ruzvelt.exe 94 PID 4540 wrote to memory of 2076 4540 Ruzvelt.exe 94 PID 2076 wrote to memory of 4300 2076 cmd.exe 97 PID 2076 wrote to memory of 4300 2076 cmd.exe 97 PID 2076 wrote to memory of 4300 2076 cmd.exe 97 PID 4236 wrote to memory of 3800 4236 22094859543111259006.exe 99 PID 4236 wrote to memory of 3800 4236 22094859543111259006.exe 99 PID 4236 wrote to memory of 3800 4236 22094859543111259006.exe 99
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:4540 -
C:\ProgramData\22094859543111259006.exe"C:\ProgramData\22094859543111259006.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3800
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C:\ProgramData\89091226620949168085.exe"C:\ProgramData\89091226620949168085.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3100 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\89091226620949168085.exe3⤵
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4016
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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:2076 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4300
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 20002⤵
- Program crash
PID:796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4540 -ip 45401⤵PID:1604
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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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
818.2MB
MD5b90bffa48210128cdbe256b033b71dd0
SHA1c9175a7781318d394cfb96e6f0742458e3facb7c
SHA256fa5e4e96e4ee981fee2f994b9e76fe33cfb9854df653a706f17b5bc553ec4d1f
SHA512b22e5493aa3ac05e8fa32e7679dd37dbecd36765d72cd0cbdd09426a10aabc11c29a60c338b879550789bc7ba837aaad00bf007e25bdf698991c6252764db07c
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Filesize
818.2MB
MD5b90bffa48210128cdbe256b033b71dd0
SHA1c9175a7781318d394cfb96e6f0742458e3facb7c
SHA256fa5e4e96e4ee981fee2f994b9e76fe33cfb9854df653a706f17b5bc553ec4d1f
SHA512b22e5493aa3ac05e8fa32e7679dd37dbecd36765d72cd0cbdd09426a10aabc11c29a60c338b879550789bc7ba837aaad00bf007e25bdf698991c6252764db07c