Analysis
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max time kernel
119s -
max time network
152s -
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 09:09
Static task
static1
Behavioral task
behavioral1
Sample
3cba06977093cf31c52f325ebded13f0.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
3cba06977093cf31c52f325ebded13f0.exe
Resource
win10v2004-20230220-en
General
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Target
3cba06977093cf31c52f325ebded13f0.exe
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Size
302KB
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MD5
3cba06977093cf31c52f325ebded13f0
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SHA1
b9fbe0866e1ed4c9576a9ceb5021f4de685edc4a
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SHA256
be4e635c156e8f4a486c101e9778e56143e5130b64075a4eed30f933c97378e2
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SHA512
34802ad2c077a2d0200b60058031c5cdeb8ec84b59af7b763c8ea6bf7748428100eaacb3c6736684ba860d6bb79badfa15dddba18ca63d673ecb2b1eb41548a4
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SSDEEP
6144:2928exxn5CmGiziD6tNfge6C9KWyhP6VYnIUJN/D:oWjBGizietWntP6yI
Malware Config
Extracted
vidar
3.3
8eb820ddf1aebfd9fcdae0b7decef98a
https://steamcommunity.com/profiles/76561199492257783
https://t.me/justsometg
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profile_id_v2
8eb820ddf1aebfd9fcdae0b7decef98a
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user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9
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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 3cba06977093cf31c52f325ebded13f0.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 11513249712808565666.exe -
Executes dropped EXE 3 IoCs
pid Process 4632 39878792862624523125.exe 4592 11513249712808565666.exe 2324 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 3384 3cba06977093cf31c52f325ebded13f0.exe 3384 3cba06977093cf31c52f325ebded13f0.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/0x0007000000023138-226.dat upx behavioral2/files/0x0007000000023138-228.dat upx behavioral2/files/0x0007000000023138-229.dat upx behavioral2/memory/4632-230-0x0000000000A60000-0x00000000018C3000-memory.dmp upx behavioral2/memory/4632-231-0x0000000000A60000-0x00000000018C3000-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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 11513249712808565666.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 4592 11513249712808565666.exe 4592 11513249712808565666.exe 2324 svcservice.exe 2324 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 2432 3384 WerFault.exe 82 -
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 3cba06977093cf31c52f325ebded13f0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 3cba06977093cf31c52f325ebded13f0.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4728 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3384 3cba06977093cf31c52f325ebded13f0.exe 3384 3cba06977093cf31c52f325ebded13f0.exe 4592 11513249712808565666.exe 4592 11513249712808565666.exe 2324 svcservice.exe 2324 svcservice.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3384 wrote to memory of 4632 3384 3cba06977093cf31c52f325ebded13f0.exe 89 PID 3384 wrote to memory of 4632 3384 3cba06977093cf31c52f325ebded13f0.exe 89 PID 4632 wrote to memory of 668 4632 39878792862624523125.exe 91 PID 4632 wrote to memory of 668 4632 39878792862624523125.exe 91 PID 668 wrote to memory of 4956 668 cmd.exe 93 PID 668 wrote to memory of 4956 668 cmd.exe 93 PID 3384 wrote to memory of 4592 3384 3cba06977093cf31c52f325ebded13f0.exe 94 PID 3384 wrote to memory of 4592 3384 3cba06977093cf31c52f325ebded13f0.exe 94 PID 3384 wrote to memory of 4592 3384 3cba06977093cf31c52f325ebded13f0.exe 94 PID 3384 wrote to memory of 2636 3384 3cba06977093cf31c52f325ebded13f0.exe 95 PID 3384 wrote to memory of 2636 3384 3cba06977093cf31c52f325ebded13f0.exe 95 PID 3384 wrote to memory of 2636 3384 3cba06977093cf31c52f325ebded13f0.exe 95 PID 2636 wrote to memory of 4728 2636 cmd.exe 98 PID 2636 wrote to memory of 4728 2636 cmd.exe 98 PID 2636 wrote to memory of 4728 2636 cmd.exe 98 PID 4592 wrote to memory of 2324 4592 11513249712808565666.exe 100 PID 4592 wrote to memory of 2324 4592 11513249712808565666.exe 100 PID 4592 wrote to memory of 2324 4592 11513249712808565666.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\3cba06977093cf31c52f325ebded13f0.exe"C:\Users\Admin\AppData\Local\Temp\3cba06977093cf31c52f325ebded13f0.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\ProgramData\39878792862624523125.exe"C:\ProgramData\39878792862624523125.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\39878792862624523125.exe3⤵
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4956
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C:\ProgramData\11513249712808565666.exe"C:\ProgramData\11513249712808565666.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:4592 -
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:2324
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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\3cba06977093cf31c52f325ebded13f0.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 17562⤵
- Program crash
PID:2432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3384 -ip 33841⤵PID:2500
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
852.2MB
MD54161e47a74f27b3ed2028c36c73a400f
SHA13a963661f42026dc526864a71d9042f102de5919
SHA256318c71454e28e14c6d35d3ffca0b24517723dadac2f23ba5f552c6617fed704e
SHA51216fd50f0512ab8e03f982bb1c694cc650604fbf23f002cc45326a306b688117858dcc187ba053b105bde73abbb39f90cc56661c63606818a1f7dc85fada2d258
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Filesize
852.2MB
MD54161e47a74f27b3ed2028c36c73a400f
SHA13a963661f42026dc526864a71d9042f102de5919
SHA256318c71454e28e14c6d35d3ffca0b24517723dadac2f23ba5f552c6617fed704e
SHA51216fd50f0512ab8e03f982bb1c694cc650604fbf23f002cc45326a306b688117858dcc187ba053b105bde73abbb39f90cc56661c63606818a1f7dc85fada2d258