Resubmissions
01-02-2024 21:27
240201-1at8kaggbk 701-02-2024 21:16
240201-z4xecaece3 701-02-2024 21:11
240201-z1185ageem 711-04-2023 18:10
230411-wr28aafg6y 10Analysis
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max time kernel
138s -
max time network
115s -
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 18:10
Static task
static1
Behavioral task
behavioral1
Sample
McFree.exe
Resource
win7-20230220-en
General
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Target
McFree.exe
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Size
3.9MB
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MD5
fbb8b46f249d59713c89ce8f4d802a2b
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SHA1
5aaaeb71083e189b07bcc30134689e326b42806d
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SHA256
d0e05d14d752a572c57ccc42b3d79c8ea55c93062c2a3b73bf2e128f77678396
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SHA512
d81b7aa5eea4bb46aaa2aec5cb5b39304ec864cc9be3ebf48bdce80c9b43d24dc61d11b290ae23330292f2babef329d2f892d9cb2f755b55b0619fb5fc293392
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SSDEEP
98304:7ws/7iR7W3TBrHJWGs2NyqeoNE/7SRYY8CU:7wY0W3TVHJack+KCU
Malware Config
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 71809567992795162921.exe -
Executes dropped EXE 4 IoCs
pid Process 3488 Ruzvelt.exe 4772 71809567992795162921.exe 4692 90483909308143088912.exe 3560 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 3488 Ruzvelt.exe 3488 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/0x0002000000022cb9-428.dat upx behavioral2/files/0x0002000000022cb9-430.dat upx behavioral2/files/0x0002000000022cb9-431.dat upx behavioral2/memory/4692-432-0x0000000000300000-0x0000000001163000-memory.dmp upx behavioral2/memory/4692-434-0x0000000000300000-0x0000000001163000-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" 71809567992795162921.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 4772 71809567992795162921.exe 4772 71809567992795162921.exe 3560 svcservice.exe 3560 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 4304 3488 WerFault.exe 85 -
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 1576 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3488 Ruzvelt.exe 3488 Ruzvelt.exe 4772 71809567992795162921.exe 4772 71809567992795162921.exe 3560 svcservice.exe 3560 svcservice.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1148 javaw.exe 1148 javaw.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3520 wrote to memory of 1148 3520 McFree.exe 80 PID 3520 wrote to memory of 1148 3520 McFree.exe 80 PID 1148 wrote to memory of 2488 1148 javaw.exe 83 PID 1148 wrote to memory of 2488 1148 javaw.exe 83 PID 3868 wrote to memory of 3488 3868 explorer.exe 85 PID 3868 wrote to memory of 3488 3868 explorer.exe 85 PID 3868 wrote to memory of 3488 3868 explorer.exe 85 PID 3488 wrote to memory of 4772 3488 Ruzvelt.exe 87 PID 3488 wrote to memory of 4772 3488 Ruzvelt.exe 87 PID 3488 wrote to memory of 4772 3488 Ruzvelt.exe 87 PID 3488 wrote to memory of 4692 3488 Ruzvelt.exe 88 PID 3488 wrote to memory of 4692 3488 Ruzvelt.exe 88 PID 4692 wrote to memory of 1512 4692 90483909308143088912.exe 89 PID 4692 wrote to memory of 1512 4692 90483909308143088912.exe 89 PID 3488 wrote to memory of 2120 3488 Ruzvelt.exe 90 PID 3488 wrote to memory of 2120 3488 Ruzvelt.exe 90 PID 3488 wrote to memory of 2120 3488 Ruzvelt.exe 90 PID 1512 wrote to memory of 2236 1512 cmd.exe 95 PID 1512 wrote to memory of 2236 1512 cmd.exe 95 PID 2120 wrote to memory of 1576 2120 cmd.exe 96 PID 2120 wrote to memory of 1576 2120 cmd.exe 96 PID 2120 wrote to memory of 1576 2120 cmd.exe 96 PID 4772 wrote to memory of 3560 4772 71809567992795162921.exe 98 PID 4772 wrote to memory of 3560 4772 71809567992795162921.exe 98 PID 4772 wrote to memory of 3560 4772 71809567992795162921.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\McFree.exe"C:\Users\Admin\AppData\Local\Temp\McFree.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -Dfile.encoding=UTF-8 -classpath "C:\Users\Admin\AppData\Local\Temp\McFree.exe" org.develnext.jphp.ext.javafx.FXLauncher2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\explorer.exeexplorer C:\Users\Admin\AppData\Local\Temp\Ruzvelt.exe3⤵PID:2488
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Users\Admin\AppData\Local\Temp\Ruzvelt.exe"C:\Users\Admin\AppData\Local\Temp\Ruzvelt.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\ProgramData\71809567992795162921.exe"C:\ProgramData\71809567992795162921.exe"3⤵
- 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:4772 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"4⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3560
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C:\ProgramData\90483909308143088912.exe"C:\ProgramData\90483909308143088912.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\90483909308143088912.exe4⤵
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 05⤵PID:2236
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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" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\timeout.exetimeout /t 64⤵
- Delays execution with timeout.exe
PID:1576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 18643⤵
- Program crash
PID:4304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3488 -ip 34881⤵PID:4064
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
323KB
MD58df55f8e4ab4239038acf21740a4f87d
SHA10083cb226b4ee13bb8969c986b7a0f5231f3ddb9
SHA25675ef360d79e718d7beea4d9be1d884fe6330acc849a2847ed99d0f9dc5108458
SHA512675db6678e433f3d5607c771374d5bb779ef3241547fbb36bdc6f5b08ea5311bd050643c6589b8aa6613ee4ad7d1f55e0220cd7e5379b7962a5426a1190611c2
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Filesize
323KB
MD58df55f8e4ab4239038acf21740a4f87d
SHA10083cb226b4ee13bb8969c986b7a0f5231f3ddb9
SHA25675ef360d79e718d7beea4d9be1d884fe6330acc849a2847ed99d0f9dc5108458
SHA512675db6678e433f3d5607c771374d5bb779ef3241547fbb36bdc6f5b08ea5311bd050643c6589b8aa6613ee4ad7d1f55e0220cd7e5379b7962a5426a1190611c2
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Filesize
458.1MB
MD53ea1e6ce02d10fdb9ddff5175fc47711
SHA11fd44986f8c8540652435357ad13d0c41a57f8bc
SHA25693b34f26ff2b27c870e9afa4ce85b98ce174da99a5c9dcd9a98f676d975e7db8
SHA512add62c1f9bf547b3b36c224ef54824faa80ef6ab52945770b72395fd27168d1f773cb5125f5e72169cb9cc7c9d5bd6c02faf042ecfa608161ad2680e5bd77eec
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Filesize
480.8MB
MD5cd4a6c7ec0489557d5b07e22de10d275
SHA191c747deeac24041907e4664e9c19f2da80e3ae0
SHA2568526ff7471b560831027528142829fe36d4881c17c2ed2ccc3fad6981efc179e
SHA512b3846a48612493d39dbc193b251fdae75bfe63e116ef3a3cf2cb09871e7b232cfbd2ee8b7607641f4485546963ebb60af69ce1a61ee251387f6358e765d144a7