Analysis
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max time kernel
123s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
13-04-2023 15:49
Static task
static1
Behavioral task
behavioral1
Sample
271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe
Resource
win10v2004-20230220-en
General
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Target
271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe
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Size
385KB
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MD5
e3f283490490be283b02c3269a9ebc84
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SHA1
38517b68c97165a9c333b62edd35cce39b04d364
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SHA256
271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35
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SHA512
90863030d611caa8c177e283047f8b9419cd98bf4a302d6b7e2219fba7f45e88442a92029804435e7bf4d61a5479195a893166743708b55997db038ec2b30367
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SSDEEP
6144:/JLh73IMVvKtSujm9boWjvRRlm7F+liOXEQaPx:hLBHvKMujmFPjv1m+iQlU
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 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 70170605762309310112.exe -
Executes dropped EXE 3 IoCs
pid Process 1596 80307261749108538548.exe 408 70170605762309310112.exe 4752 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.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/0x0008000000023140-225.dat upx behavioral1/files/0x0008000000023140-227.dat upx behavioral1/files/0x0008000000023140-228.dat upx behavioral1/memory/1596-229-0x00000000005B0000-0x0000000001413000-memory.dmp upx behavioral1/memory/1596-230-0x00000000005B0000-0x0000000001413000-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" 70170605762309310112.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 408 70170605762309310112.exe 408 70170605762309310112.exe 4752 svcservice.exe 4752 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 4856 4732 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 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1688 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 408 70170605762309310112.exe 408 70170605762309310112.exe 4752 svcservice.exe 4752 svcservice.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4732 wrote to memory of 1596 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 92 PID 4732 wrote to memory of 1596 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 92 PID 1596 wrote to memory of 3560 1596 80307261749108538548.exe 94 PID 1596 wrote to memory of 3560 1596 80307261749108538548.exe 94 PID 3560 wrote to memory of 2324 3560 cmd.exe 96 PID 3560 wrote to memory of 2324 3560 cmd.exe 96 PID 4732 wrote to memory of 408 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 97 PID 4732 wrote to memory of 408 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 97 PID 4732 wrote to memory of 408 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 97 PID 4732 wrote to memory of 4876 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 98 PID 4732 wrote to memory of 4876 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 98 PID 4732 wrote to memory of 4876 4732 271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe 98 PID 4876 wrote to memory of 1688 4876 cmd.exe 101 PID 4876 wrote to memory of 1688 4876 cmd.exe 101 PID 4876 wrote to memory of 1688 4876 cmd.exe 101 PID 408 wrote to memory of 4752 408 70170605762309310112.exe 103 PID 408 wrote to memory of 4752 408 70170605762309310112.exe 103 PID 408 wrote to memory of 4752 408 70170605762309310112.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe"C:\Users\Admin\AppData\Local\Temp\271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\ProgramData\80307261749108538548.exe"C:\ProgramData\80307261749108538548.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\80307261749108538548.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2324
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C:\ProgramData\70170605762309310112.exe"C:\ProgramData\70170605762309310112.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:408 -
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:4752
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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\271b5a55ffe8fa4b7886abbd3c5cf68614267f8bdc2f6f78fac2f5400e95aa35.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 18362⤵
- Program crash
PID:4856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4732 -ip 47321⤵PID:4852
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
778.2MB
MD5429ec8d821c02308212894903b034f67
SHA14225702f79176bbfc1cd30d975a0587016c05c88
SHA2561b2083aa1910cf9e5254f79f01246b2526f264bebbf330e10180edcfb08fa3d2
SHA512f9b33b58c5fe8b4946c8e8a3130a8ac5f51c03a9776c4e3ab90cb6fa7864b74c2bf997ccbc8de89b4092fe521f5ea0c439451fea9add23f6681ab0d1f4cdcf78
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Filesize
778.2MB
MD5429ec8d821c02308212894903b034f67
SHA14225702f79176bbfc1cd30d975a0587016c05c88
SHA2561b2083aa1910cf9e5254f79f01246b2526f264bebbf330e10180edcfb08fa3d2
SHA512f9b33b58c5fe8b4946c8e8a3130a8ac5f51c03a9776c4e3ab90cb6fa7864b74c2bf997ccbc8de89b4092fe521f5ea0c439451fea9add23f6681ab0d1f4cdcf78