Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
14-04-2023 15:26
Static task
static1
Behavioral task
behavioral1
Sample
8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe
Resource
win10-20230220-en
General
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Target
8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe
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Size
471KB
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MD5
c0665c8f4ea4522cfe6785df7b86a12b
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SHA1
4d677c857eacd25e94babf493489419b58ea2ec1
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SHA256
8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566
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SHA512
4cc3b3b8647872e336a051e3f54a794c61a18491c17f3be4e25c801e7c92aa84e064f0e1562a6ab648835475d75ac6beda73f9511870809b799730479870080f
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SSDEEP
6144:XjNYG3CUmCRBrZA2V5cykf5wGxD/hULD2JUkbhotU6rNwslL//pbbNt:XjaGbmCvrZA45cNfiQDJU32XhetFb
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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Executes dropped EXE 3 IoCs
pid Process 4712 19905101061499419192.exe 1780 86576031374287488731.exe 4804 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.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/0x000600000001aef2-197.dat upx behavioral1/files/0x000600000001aef2-198.dat upx behavioral1/memory/4712-199-0x0000000001040000-0x0000000001EA3000-memory.dmp upx behavioral1/memory/4712-200-0x0000000001040000-0x0000000001EA3000-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-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 86576031374287488731.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 1780 86576031374287488731.exe 1780 86576031374287488731.exe 4804 svcservice.exe 4804 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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4368 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 1780 86576031374287488731.exe 1780 86576031374287488731.exe 4804 svcservice.exe 4804 svcservice.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3900 wrote to memory of 4712 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 67 PID 3900 wrote to memory of 4712 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 67 PID 4712 wrote to memory of 3656 4712 19905101061499419192.exe 69 PID 4712 wrote to memory of 3656 4712 19905101061499419192.exe 69 PID 3656 wrote to memory of 344 3656 cmd.exe 71 PID 3656 wrote to memory of 344 3656 cmd.exe 71 PID 3900 wrote to memory of 1780 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 72 PID 3900 wrote to memory of 1780 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 72 PID 3900 wrote to memory of 1780 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 72 PID 3900 wrote to memory of 4308 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 73 PID 3900 wrote to memory of 4308 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 73 PID 3900 wrote to memory of 4308 3900 8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe 73 PID 4308 wrote to memory of 4368 4308 cmd.exe 75 PID 4308 wrote to memory of 4368 4308 cmd.exe 75 PID 4308 wrote to memory of 4368 4308 cmd.exe 75 PID 1780 wrote to memory of 4804 1780 86576031374287488731.exe 76 PID 1780 wrote to memory of 4804 1780 86576031374287488731.exe 76 PID 1780 wrote to memory of 4804 1780 86576031374287488731.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe"C:\Users\Admin\AppData\Local\Temp\8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\ProgramData\19905101061499419192.exe"C:\ProgramData\19905101061499419192.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\19905101061499419192.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3656 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:344
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C:\ProgramData\86576031374287488731.exe"C:\ProgramData\86576031374287488731.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1780 -
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:4804
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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\8883a41b385c641118da187b8dc6757c36b8f5d1309c696d6989c9e5b90d3566.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4368
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
610.2MB
MD5b845374ee7a392b28d236edeef9de595
SHA1467c61a30b705bea2fe27a99a2c4d85081ef5b4d
SHA2560c213fe8df1dba1ad91aa606174ceed6d83ffc69d92ec32ba11738566e83ff7b
SHA512d334ac3444dfa1ffd194ef615ea23d299bcb41c4cb8a047fd42168493e0ff9e605b3991f2ea379b12e77b0c060c32bf9584eefae5f6ec12bf35372fbbb7af370
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Filesize
526.9MB
MD5418cbc9d636c4dd2091c30acddc32153
SHA14f888557d00e69916ec27a619e092a7d377e8c72
SHA2567ad3b28b1920fdd0dc426582e71d423ec9615f6469b7c4970ae0da8ab5614f62
SHA512e5b0b684cb8e86f3162e503a20e1e9cc14567c59f9874683823b4d40c33d0607006e7b06ec5ab8efa29f67cbbfc3753f8e32dc945050e66cee1a20bc4eac6e8b
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Filesize
497.6MB
MD52d243f27418a03b608e7265910980c5a
SHA1c843ce2ecf2ac3d29b7add928ecf1efb03f800af
SHA256dc1f5b912721bda816f8e24c9cc2e1eab0ffeedc1539031d3b19514b07902aef
SHA5123999d5f857d55501db7abb7a47d427b4262dc8435fa3d90b135e98d0601b87ff4619dd27f199afcfcfddc319dc908568401a3a12841e7281d6c1a2be5dcd4a3a
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571