Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2023 23:58
Static task
static1
Behavioral task
behavioral1
Sample
52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe
Resource
win7-20230220-en
General
-
Target
52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe
-
Size
472KB
-
MD5
4f30d4656e8bb3994f3d00ecaddf7c36
-
SHA1
2825cd514ffb8588351f9e7b217fda767efea1d6
-
SHA256
52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f
-
SHA512
03e021efc855f576a870aaad55137dddc0d3d7b9e08fab95971a7361bc69c3805c76f354892d49463c97cd90b4e68d12fdbe96873355118993ffe800b12e0fe2
-
SSDEEP
6144:ym6wfIk0qtkLeb55nKiSoXrqYdeTnbbRyccTV8HCqOnw2CoI:R6+Ik04kCb5ZdSQOYden9YaCNko
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__ 37136747993831846461.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 37136747993831846461.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 37136747993831846461.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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe -
Executes dropped EXE 3 IoCs
pid Process 3564 37136747993831846461.exe 3520 68107735482913060564.exe 4448 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.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 behavioral2/files/0x0006000000023162-245.dat upx behavioral2/files/0x0006000000023162-248.dat upx behavioral2/files/0x0006000000023162-247.dat upx behavioral2/memory/3520-249-0x0000000000ED0000-0x0000000001D33000-memory.dmp upx behavioral2/memory/3520-250-0x0000000000ED0000-0x0000000001D33000-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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 37136747993831846461.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 37136747993831846461.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3564 37136747993831846461.exe 4448 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 624 4852 WerFault.exe 83 -
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 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2152 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 40 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4852 wrote to memory of 3564 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 84 PID 4852 wrote to memory of 3564 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 84 PID 4852 wrote to memory of 3520 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 86 PID 4852 wrote to memory of 3520 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 86 PID 3520 wrote to memory of 4552 3520 68107735482913060564.exe 87 PID 3520 wrote to memory of 4552 3520 68107735482913060564.exe 87 PID 4552 wrote to memory of 5024 4552 cmd.exe 89 PID 4552 wrote to memory of 5024 4552 cmd.exe 89 PID 4852 wrote to memory of 2536 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 90 PID 4852 wrote to memory of 2536 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 90 PID 4852 wrote to memory of 2536 4852 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 90 PID 2536 wrote to memory of 2152 2536 cmd.exe 93 PID 2536 wrote to memory of 2152 2536 cmd.exe 93 PID 2536 wrote to memory of 2152 2536 cmd.exe 93 PID 3564 wrote to memory of 4448 3564 37136747993831846461.exe 98 PID 3564 wrote to memory of 4448 3564 37136747993831846461.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe"C:\Users\Admin\AppData\Local\Temp\52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\ProgramData\37136747993831846461.exe"C:\ProgramData\37136747993831846461.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:3564 -
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:4448
-
-
-
C:\ProgramData\68107735482913060564.exe"C:\ProgramData\68107735482913060564.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\68107735482913060564.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:5024
-
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:2152
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 21282⤵
- Program crash
PID:624
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4852 -ip 48521⤵PID:2660
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
800.5MB
MD5d7e6a7a4c6e878fc4c80c30db5c57bfe
SHA1224f9bdc31dd1c3394de3f913a99fff80c1d88cf
SHA256394fc5d6e5633b23ea80ebec2543cf4a3ad7f1c16428f81efc43551efe74ce11
SHA512243ff8b6396f5cd792c18937509bfeea1aac566696662dd492a233190504a5cef61c586e3d2c5ffd21bf4a155c24f33ba49de4128ca9492b51fe66424a0a0c3e
-
Filesize
800.5MB
MD5d7e6a7a4c6e878fc4c80c30db5c57bfe
SHA1224f9bdc31dd1c3394de3f913a99fff80c1d88cf
SHA256394fc5d6e5633b23ea80ebec2543cf4a3ad7f1c16428f81efc43551efe74ce11
SHA512243ff8b6396f5cd792c18937509bfeea1aac566696662dd492a233190504a5cef61c586e3d2c5ffd21bf4a155c24f33ba49de4128ca9492b51fe66424a0a0c3e