Analysis
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max time kernel
133s -
max time network
137s -
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 10:23
Static task
static1
Behavioral task
behavioral1
Sample
f85f5d81701dfd84269fbb2890903d0a.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
f85f5d81701dfd84269fbb2890903d0a.exe
Resource
win10v2004-20230220-en
General
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Target
f85f5d81701dfd84269fbb2890903d0a.exe
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Size
309KB
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MD5
f85f5d81701dfd84269fbb2890903d0a
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SHA1
db21b987f5e260ea0747091fbc183497c5ecceb5
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SHA256
6c26e5a25958830af43246a52754d4f6686b44cf7c96facce8be29c496561c29
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SHA512
2e6d4a74a802553008389a0b0d7b9d6b31050e430ed98c17a9e21c5fe95a17ac7b67f99c5dcfa20a91596167461e0b1d13123780b770b54f99477059ce188209
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SSDEEP
6144:t9jiKUWVVWz6UmSPFwF25Cz0TYf4RfdyCbSf36ysjH2i7PjE:t9jiAVemKFP57kO7S/6ystE
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 f85f5d81701dfd84269fbb2890903d0a.exe Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 19677818831844618229.exe -
Executes dropped EXE 3 IoCs
pid Process 1576 50257838595645740926.exe 2148 19677818831844618229.exe 4816 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 3324 f85f5d81701dfd84269fbb2890903d0a.exe 3324 f85f5d81701dfd84269fbb2890903d0a.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/0x0002000000022cba-225.dat upx behavioral2/files/0x0002000000022cba-227.dat upx behavioral2/files/0x0002000000022cba-228.dat upx behavioral2/memory/1576-229-0x0000000000EB0000-0x0000000001D13000-memory.dmp upx behavioral2/memory/1576-230-0x0000000000EB0000-0x0000000001D13000-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" 19677818831844618229.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 2148 19677818831844618229.exe 2148 19677818831844618229.exe 4816 svcservice.exe 4816 svcservice.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 f85f5d81701dfd84269fbb2890903d0a.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 f85f5d81701dfd84269fbb2890903d0a.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3668 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3324 f85f5d81701dfd84269fbb2890903d0a.exe 3324 f85f5d81701dfd84269fbb2890903d0a.exe 2148 19677818831844618229.exe 2148 19677818831844618229.exe 4816 svcservice.exe 4816 svcservice.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3324 wrote to memory of 1576 3324 f85f5d81701dfd84269fbb2890903d0a.exe 89 PID 3324 wrote to memory of 1576 3324 f85f5d81701dfd84269fbb2890903d0a.exe 89 PID 1576 wrote to memory of 3880 1576 50257838595645740926.exe 91 PID 1576 wrote to memory of 3880 1576 50257838595645740926.exe 91 PID 3880 wrote to memory of 1980 3880 cmd.exe 93 PID 3880 wrote to memory of 1980 3880 cmd.exe 93 PID 3324 wrote to memory of 2148 3324 f85f5d81701dfd84269fbb2890903d0a.exe 94 PID 3324 wrote to memory of 2148 3324 f85f5d81701dfd84269fbb2890903d0a.exe 94 PID 3324 wrote to memory of 2148 3324 f85f5d81701dfd84269fbb2890903d0a.exe 94 PID 3324 wrote to memory of 4860 3324 f85f5d81701dfd84269fbb2890903d0a.exe 95 PID 3324 wrote to memory of 4860 3324 f85f5d81701dfd84269fbb2890903d0a.exe 95 PID 3324 wrote to memory of 4860 3324 f85f5d81701dfd84269fbb2890903d0a.exe 95 PID 4860 wrote to memory of 3668 4860 cmd.exe 97 PID 4860 wrote to memory of 3668 4860 cmd.exe 97 PID 4860 wrote to memory of 3668 4860 cmd.exe 97 PID 2148 wrote to memory of 4816 2148 19677818831844618229.exe 99 PID 2148 wrote to memory of 4816 2148 19677818831844618229.exe 99 PID 2148 wrote to memory of 4816 2148 19677818831844618229.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\f85f5d81701dfd84269fbb2890903d0a.exe"C:\Users\Admin\AppData\Local\Temp\f85f5d81701dfd84269fbb2890903d0a.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\ProgramData\50257838595645740926.exe"C:\ProgramData\50257838595645740926.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\50257838595645740926.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1980
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C:\ProgramData\19677818831844618229.exe"C:\ProgramData\19677818831844618229.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:2148 -
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:4816
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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\f85f5d81701dfd84269fbb2890903d0a.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:3668
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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
814.2MB
MD585fab29b63e6074f8a497c6bffa95f4d
SHA176d20cdd892e8b8c389207d05fb7034118535e41
SHA256fb32090a9f4ccb674694d80e43018b71dd129dfc9babe1ff952621bad86578de
SHA51228a7c3c8c4fee6e285db47d5e0fe39e7ec1c0250e1ea1c7e0dbf304e46b4df0e8801d110c6136641aba1248dd4a3ba01f8a86ce717b1f13436f9938c5ebd4c6b
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Filesize
814.2MB
MD585fab29b63e6074f8a497c6bffa95f4d
SHA176d20cdd892e8b8c389207d05fb7034118535e41
SHA256fb32090a9f4ccb674694d80e43018b71dd129dfc9babe1ff952621bad86578de
SHA51228a7c3c8c4fee6e285db47d5e0fe39e7ec1c0250e1ea1c7e0dbf304e46b4df0e8801d110c6136641aba1248dd4a3ba01f8a86ce717b1f13436f9938c5ebd4c6b