Analysis
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max time kernel
147s -
max time network
146s -
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 08:20
Static task
static1
General
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Target
52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe
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Size
472KB
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MD5
4f30d4656e8bb3994f3d00ecaddf7c36
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SHA1
2825cd514ffb8588351f9e7b217fda767efea1d6
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SHA256
52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f
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SHA512
03e021efc855f576a870aaad55137dddc0d3d7b9e08fab95971a7361bc69c3805c76f354892d49463c97cd90b4e68d12fdbe96873355118993ffe800b12e0fe2
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SSDEEP
6144:ym6wfIk0qtkLeb55nKiSoXrqYdeTnbbRyccTV8HCqOnw2CoI:R6+Ik04kCb5ZdSQOYden9YaCNko
Malware Config
Extracted
vidar
3.6
78489afd9d9a4747beb445e5fb5b9c96
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
78489afd9d9a4747beb445e5fb5b9c96
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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
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 82577030394625261175.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
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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\VideoBiosVersion 82577030394625261175.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 82577030394625261175.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 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe -
Executes dropped EXE 3 IoCs
pid Process 876 82577030394625261175.exe 2952 08241849582887326484.exe 4820 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.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/0x0007000000023165-241.dat upx behavioral1/files/0x0007000000023165-246.dat upx behavioral1/files/0x0007000000023165-245.dat upx behavioral1/memory/2952-249-0x0000000000620000-0x0000000001483000-memory.dmp upx behavioral1/memory/2952-250-0x0000000000620000-0x0000000001483000-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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 82577030394625261175.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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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 82577030394625261175.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 876 82577030394625261175.exe 4820 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4424 2372 WerFault.exe 81 -
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 3860 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 42 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2372 wrote to memory of 876 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 88 PID 2372 wrote to memory of 876 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 88 PID 2372 wrote to memory of 2952 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 90 PID 2372 wrote to memory of 2952 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 90 PID 2952 wrote to memory of 2664 2952 08241849582887326484.exe 91 PID 2952 wrote to memory of 2664 2952 08241849582887326484.exe 91 PID 2664 wrote to memory of 4128 2664 cmd.exe 93 PID 2664 wrote to memory of 4128 2664 cmd.exe 93 PID 2372 wrote to memory of 2724 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 94 PID 2372 wrote to memory of 2724 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 94 PID 2372 wrote to memory of 2724 2372 52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe 94 PID 2724 wrote to memory of 3860 2724 cmd.exe 97 PID 2724 wrote to memory of 3860 2724 cmd.exe 97 PID 2724 wrote to memory of 3860 2724 cmd.exe 97 PID 876 wrote to memory of 4820 876 82577030394625261175.exe 100 PID 876 wrote to memory of 4820 876 82577030394625261175.exe 100
Processes
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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:2372 -
C:\ProgramData\82577030394625261175.exe"C:\ProgramData\82577030394625261175.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:876 -
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:4820
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C:\ProgramData\08241849582887326484.exe"C:\ProgramData\08241849582887326484.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\08241849582887326484.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4128
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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\52d4ca84ab4cc80b80ee0890f6f48ca1c2b711abdcecc27491b54efbe743c49f.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:3860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 21602⤵
- Program crash
PID:4424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2372 -ip 23721⤵PID:4136
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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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
797.4MB
MD5862e2f21ade29682ef1999672702d4db
SHA167d560335562e14dae6bcdd0e262c7a0dac9ca00
SHA25694ee61ab414e0deec19a5b9b1602eb08456d0614715df65ac614a153a34d4d60
SHA512270bb65df91f3c9c20a4e1dba4b05bd59e52965f3aa26b15e19fd255fc137b26c9ad03e526e0cf8955b98fb56e372f46ba839e57e023859c8878546959b8607e
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Filesize
827.8MB
MD51472a38ef2af78870be9a5ccd2bcd68d
SHA16d4c0905c30b0e704fcc6972079526a0fe665082
SHA2563b911d6c09fbca3858d036f90fc18dd22cd8f91bc11a6811e8404e7666d79d2d
SHA512635b1d4363880b543713ea25201cd112e85a54777b6d069c6bda6c357dc0fb8d0d030492e0509b89bbf0b8db57bc87e40a6b3e563a130860c5eb7cecaad95add