Analysis
-
max time kernel
148s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2023 22:32
Static task
static1
Behavioral task
behavioral1
Sample
03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe
Resource
win7-20230220-en
General
-
Target
03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe
-
Size
453KB
-
MD5
7ef7a823f8e4366e7bee10cb30a1898b
-
SHA1
4aa792b2c4cae5d3db86f409cff944ed7226af1e
-
SHA256
03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749
-
SHA512
2a4fcedca8d58bdcbddb410e560a3b889356072d82d01591772e788ef826821cd844c1698d420fa81606c6c13bd47af67f6a7de7bbf9344b064050b51b0635f8
-
SSDEEP
6144:4ZYnOMd1F89WBoSOsIMezOvN0VhKQf9Blx1+NhHAvUVUTYeh1:4ZAOMdv89EoXsftN0VIg9yNhgMVUT51
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__ 36599656227110402923.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 36599656227110402923.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 36599656227110402923.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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe -
Executes dropped EXE 3 IoCs
pid Process 2352 36599656227110402923.exe 3740 42200925666214127263.exe 4404 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.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/0x000900000002310d-245.dat upx behavioral2/files/0x000900000002310d-248.dat upx behavioral2/files/0x000900000002310d-247.dat upx behavioral2/memory/3740-249-0x0000000000420000-0x0000000001283000-memory.dmp upx behavioral2/memory/3740-250-0x0000000000420000-0x0000000001283000-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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 36599656227110402923.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 36599656227110402923.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2352 36599656227110402923.exe 4404 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 2192 3220 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 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3904 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 67 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3220 wrote to memory of 2352 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 84 PID 3220 wrote to memory of 2352 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 84 PID 3220 wrote to memory of 3740 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 87 PID 3220 wrote to memory of 3740 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 87 PID 3740 wrote to memory of 4620 3740 42200925666214127263.exe 88 PID 3740 wrote to memory of 4620 3740 42200925666214127263.exe 88 PID 4620 wrote to memory of 2428 4620 cmd.exe 90 PID 4620 wrote to memory of 2428 4620 cmd.exe 90 PID 3220 wrote to memory of 4208 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 91 PID 3220 wrote to memory of 4208 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 91 PID 3220 wrote to memory of 4208 3220 03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe 91 PID 4208 wrote to memory of 3904 4208 cmd.exe 94 PID 4208 wrote to memory of 3904 4208 cmd.exe 94 PID 4208 wrote to memory of 3904 4208 cmd.exe 94 PID 2352 wrote to memory of 4404 2352 36599656227110402923.exe 100 PID 2352 wrote to memory of 4404 2352 36599656227110402923.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe"C:\Users\Admin\AppData\Local\Temp\03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\ProgramData\36599656227110402923.exe"C:\ProgramData\36599656227110402923.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:2352 -
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:4404
-
-
-
C:\ProgramData\42200925666214127263.exe"C:\ProgramData\42200925666214127263.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\42200925666214127263.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2428
-
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\03907ae3dc1e5e49ce1d2d94cfbe0fc861561c362f91e614662874524b032749.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:3904
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3220 -s 21962⤵
- Program crash
PID:2192
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3220 -ip 32201⤵PID:4224
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
777.5MB
MD5d9d03c12ee2bf7e90bcae5d556418454
SHA1e13f3a566e220fae51170f16d1f6cda0a1d35dab
SHA256f2085cf21df81f2bfca13c3dd93bc7534adbce4eb8fc93fdeeb74053509c751e
SHA512649a3772e89f8a10f79ea7e654023ed620cd504de9771c1599f5c8989604b1564739e028727a8df0ecdd7cdb54165b6210bb19a64bb53f919f6d4e27639dd775
-
Filesize
777.5MB
MD5d9d03c12ee2bf7e90bcae5d556418454
SHA1e13f3a566e220fae51170f16d1f6cda0a1d35dab
SHA256f2085cf21df81f2bfca13c3dd93bc7534adbce4eb8fc93fdeeb74053509c751e
SHA512649a3772e89f8a10f79ea7e654023ed620cd504de9771c1599f5c8989604b1564739e028727a8df0ecdd7cdb54165b6210bb19a64bb53f919f6d4e27639dd775