Analysis
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max time kernel
137s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2023 15:42
Static task
static1
Behavioral task
behavioral1
Sample
f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe
Resource
win10v2004-20230220-en
General
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Target
f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe
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Size
1.4MB
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MD5
a8256a75141215f34166856b211cf6c8
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SHA1
9acb224bd572629a484fce5fc02a3135e064b804
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SHA256
f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6
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SHA512
6dcdcdc5ebea042f1fcb4778570cd637620f6e91393417793d62da5383567ffc5d678efc95ac4832a58bad0f397f5a5ce3fa0127b3a4335f0511d6082c0375ab
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SSDEEP
12288:7Wvp2K6+yhbYfTbdAZ7CcrtoI6ysrmmsI8Z6FJwPpq:7PKK0TbdAZ7CXI6rrmVZ6FJiq
Malware Config
Extracted
vidar
3.4
a18680a5fbabb05c80ce4c10eab19607
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
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profile_id_v2
a18680a5fbabb05c80ce4c10eab19607
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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 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation 68652415115266066847.exe -
Executes dropped EXE 3 IoCs
pid Process 4996 68652415115266066847.exe 3728 00215942802826128729.exe 3272 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 4768 InstallUtil.exe 4768 InstallUtil.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/0x0007000000022f7c-250.dat upx behavioral1/files/0x0007000000022f7c-253.dat upx behavioral1/files/0x0007000000022f7c-254.dat upx behavioral1/memory/3728-255-0x0000000000E00000-0x0000000001C63000-memory.dmp upx behavioral1/memory/3728-256-0x0000000000E00000-0x0000000001C63000-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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 68652415115266066847.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{EA83113A-6DFB-4D4B-8C4E-84E06A907E0D}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{AC5CE9F5-AB78-46F8-ABCF-99BF41A3D5A1}.catalogItem svchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 4996 68652415115266066847.exe 4996 68652415115266066847.exe 3272 svcservice.exe 3272 svcservice.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2168 set thread context of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 -
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 5 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString InstallUtil.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4076 timeout.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4768 InstallUtil.exe 4768 InstallUtil.exe 4996 68652415115266066847.exe 4996 68652415115266066847.exe 3272 svcservice.exe 3272 svcservice.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 2168 wrote to memory of 4768 2168 f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe 83 PID 4768 wrote to memory of 4996 4768 InstallUtil.exe 88 PID 4768 wrote to memory of 4996 4768 InstallUtil.exe 88 PID 4768 wrote to memory of 4996 4768 InstallUtil.exe 88 PID 4768 wrote to memory of 3728 4768 InstallUtil.exe 90 PID 4768 wrote to memory of 3728 4768 InstallUtil.exe 90 PID 3728 wrote to memory of 384 3728 00215942802826128729.exe 91 PID 3728 wrote to memory of 384 3728 00215942802826128729.exe 91 PID 384 wrote to memory of 3652 384 cmd.exe 93 PID 384 wrote to memory of 3652 384 cmd.exe 93 PID 4768 wrote to memory of 2648 4768 InstallUtil.exe 94 PID 4768 wrote to memory of 2648 4768 InstallUtil.exe 94 PID 4768 wrote to memory of 2648 4768 InstallUtil.exe 94 PID 2648 wrote to memory of 4076 2648 cmd.exe 96 PID 2648 wrote to memory of 4076 2648 cmd.exe 96 PID 2648 wrote to memory of 4076 2648 cmd.exe 96 PID 4996 wrote to memory of 3272 4996 68652415115266066847.exe 97 PID 4996 wrote to memory of 3272 4996 68652415115266066847.exe 97 PID 4996 wrote to memory of 3272 4996 68652415115266066847.exe 97 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe"C:\Users\Admin\AppData\Local\Temp\f0e81469d83461dfb79b910bcc93a5aef752d0dc222a8722fbd9cf30d76ffca6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4768 -
C:\ProgramData\68652415115266066847.exe"C:\ProgramData\68652415115266066847.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:4996 -
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:3272
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C:\ProgramData\00215942802826128729.exe"C:\ProgramData\00215942802826128729.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\00215942802826128729.exe4⤵
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 05⤵PID:3652
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\timeout.exetimeout /t 64⤵
- Delays execution with timeout.exe
PID:4076
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1616
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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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
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
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
714.2MB
MD5784d141e82f6ad994c89ad1ae1b0e9cd
SHA10618f20c8e3b43b387f1bb64fda7ba7439044116
SHA256f87bb13655bade226d1e8850eae6350d9384d1146d36d84c6558f60787732882
SHA512b0dae872dbf766a66e572a3f3fd777406a6f8a16f3706e69f4a6b9b9bb9eec17db8d78853753b4b133ef0163f90da34eb68e043ffe3c49d761cadffe3c78035f
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Filesize
714.2MB
MD5784d141e82f6ad994c89ad1ae1b0e9cd
SHA10618f20c8e3b43b387f1bb64fda7ba7439044116
SHA256f87bb13655bade226d1e8850eae6350d9384d1146d36d84c6558f60787732882
SHA512b0dae872dbf766a66e572a3f3fd777406a6f8a16f3706e69f4a6b9b9bb9eec17db8d78853753b4b133ef0163f90da34eb68e043ffe3c49d761cadffe3c78035f