Analysis
-
max time kernel
149s -
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
27-04-2023 17:30
Static task
static1
General
-
Target
623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe
-
Size
409KB
-
MD5
0badb216b58ccea1a4228cc4dc6bf5bc
-
SHA1
ea5e344b2bee1b66d2629b94e84ba4677753e42b
-
SHA256
623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da
-
SHA512
1387d9b84b6a28d0c1bda7def8fa401b5b72974e3933d2b981660c571ea3cc39d7b54137a68967cebe6362d3a79018ff5a6fb1b7c21dd7c5024e5c68e038c136
-
SSDEEP
6144:QBZwpFG7ea4ddabKey4v1yGsqJxrLnshq6dNarN1:QApFG7Mo7J1LadNA
Malware Config
Extracted
vidar
3.6
78489afd9d9a4747beb445e5fb5b9c96
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
-
profile_id_v2
78489afd9d9a4747beb445e5fb5b9c96
-
user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Extracted
laplas
http://89.23.97.128
-
api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 67212258372804490605.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
-
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 67212258372804490605.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 67212258372804490605.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe -
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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe -
Executes dropped EXE 3 IoCs
pid Process 3692 67212258372804490605.exe 4536 73117392209472483163.exe 3768 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral1/files/0x0006000000023166-240.dat upx behavioral1/files/0x0006000000023166-245.dat upx behavioral1/files/0x0006000000023166-244.dat upx behavioral1/memory/4536-249-0x0000000000A80000-0x00000000018E3000-memory.dmp upx behavioral1/memory/4536-250-0x0000000000A80000-0x00000000018E3000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
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\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 67212258372804490605.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 67212258372804490605.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3692 67212258372804490605.exe 3768 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 3468 5040 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 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2396 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 46 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 5040 wrote to memory of 3692 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 89 PID 5040 wrote to memory of 3692 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 89 PID 5040 wrote to memory of 4536 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 91 PID 5040 wrote to memory of 4536 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 91 PID 4536 wrote to memory of 4140 4536 73117392209472483163.exe 93 PID 4536 wrote to memory of 4140 4536 73117392209472483163.exe 93 PID 4140 wrote to memory of 3300 4140 cmd.exe 94 PID 4140 wrote to memory of 3300 4140 cmd.exe 94 PID 5040 wrote to memory of 4516 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 95 PID 5040 wrote to memory of 4516 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 95 PID 5040 wrote to memory of 4516 5040 623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe 95 PID 4516 wrote to memory of 2396 4516 cmd.exe 99 PID 4516 wrote to memory of 2396 4516 cmd.exe 99 PID 4516 wrote to memory of 2396 4516 cmd.exe 99 PID 3692 wrote to memory of 3768 3692 67212258372804490605.exe 101 PID 3692 wrote to memory of 3768 3692 67212258372804490605.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe"C:\Users\Admin\AppData\Local\Temp\623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\ProgramData\67212258372804490605.exe"C:\ProgramData\67212258372804490605.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3768
-
-
-
C:\ProgramData\73117392209472483163.exe"C:\ProgramData\73117392209472483163.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\73117392209472483163.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3300
-
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\623fb34ff4a63f4b5e7f0f28532a320b61eea08c68cf827c94905723aa1437da.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:2396
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 20322⤵
- Program crash
PID:3468
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5040 -ip 50401⤵PID:772
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
-
Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
-
Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
-
Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
-
Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
-
Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
Filesize
833.5MB
MD5f5f53b6435ef8a7da05cb223f6207e96
SHA126e0e704977e2c58e4f5c768d4b14d7fd01fd64c
SHA2561e25afb428df347f5811a993fc71c8b7434f4912462d206daf0bbdb344d9f615
SHA512b65a3cf62d00e8a99a0d8317e43fb32e0f4e97a52e4be102e8275b5585db9ba01c6c786a14c932aa6b1f0da34e65292ce958744bc931ff5aa3a03e92dbf699d8
-
Filesize
833.5MB
MD5f5f53b6435ef8a7da05cb223f6207e96
SHA126e0e704977e2c58e4f5c768d4b14d7fd01fd64c
SHA2561e25afb428df347f5811a993fc71c8b7434f4912462d206daf0bbdb344d9f615
SHA512b65a3cf62d00e8a99a0d8317e43fb32e0f4e97a52e4be102e8275b5585db9ba01c6c786a14c932aa6b1f0da34e65292ce958744bc931ff5aa3a03e92dbf699d8