Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-04-2023 05:20
Static task
static1
Behavioral task
behavioral1
Sample
8e551ccfee0da3f6df1947f46f8f05b9.exe
Resource
win7-20230220-en
General
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Target
8e551ccfee0da3f6df1947f46f8f05b9.exe
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Size
409KB
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MD5
8e551ccfee0da3f6df1947f46f8f05b9
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SHA1
97298fe2dfbaef07ba4b51b72af54cff14663bb7
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SHA256
4b4c5e3bd2d16feef05e1f2cfcee8e8d31e5fe8e7237e319385b433fe66c6c35
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SHA512
c1e86d0da8e0ba39c08adfe87f977eb7884e70cd92936c55da34a2475e62d85b46c3f29e8f3aab45cb6089f1fddd74971bab8c4a6cb11a5b4f64ec73c4502646
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SSDEEP
6144:c4bizqerHIES/FPm+RCen1KWzbtulGxwfSL5dNim1g:cqiP0/F/Ue1wq5dN
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__ 32372314296364518244.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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 32372314296364518244.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 32372314296364518244.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 8e551ccfee0da3f6df1947f46f8f05b9.exe -
Executes dropped EXE 3 IoCs
pid Process 3952 32372314296364518244.exe 920 10811910662292457782.exe 4900 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 3740 8e551ccfee0da3f6df1947f46f8f05b9.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/0x0006000000023175-242.dat upx behavioral2/files/0x0006000000023175-244.dat upx behavioral2/files/0x0006000000023175-245.dat upx behavioral2/memory/920-246-0x00000000005B0000-0x0000000001413000-memory.dmp upx behavioral2/memory/920-247-0x00000000005B0000-0x0000000001413000-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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 32372314296364518244.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 32372314296364518244.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3952 32372314296364518244.exe 4900 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 2184 3740 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 8e551ccfee0da3f6df1947f46f8f05b9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8e551ccfee0da3f6df1947f46f8f05b9.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1636 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 63 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3740 wrote to memory of 3952 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 91 PID 3740 wrote to memory of 3952 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 91 PID 3740 wrote to memory of 920 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 93 PID 3740 wrote to memory of 920 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 93 PID 920 wrote to memory of 5068 920 10811910662292457782.exe 94 PID 920 wrote to memory of 5068 920 10811910662292457782.exe 94 PID 5068 wrote to memory of 1180 5068 cmd.exe 96 PID 5068 wrote to memory of 1180 5068 cmd.exe 96 PID 3740 wrote to memory of 2812 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 97 PID 3740 wrote to memory of 2812 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 97 PID 3740 wrote to memory of 2812 3740 8e551ccfee0da3f6df1947f46f8f05b9.exe 97 PID 2812 wrote to memory of 1636 2812 cmd.exe 101 PID 2812 wrote to memory of 1636 2812 cmd.exe 101 PID 2812 wrote to memory of 1636 2812 cmd.exe 101 PID 3952 wrote to memory of 4900 3952 32372314296364518244.exe 102 PID 3952 wrote to memory of 4900 3952 32372314296364518244.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\8e551ccfee0da3f6df1947f46f8f05b9.exe"C:\Users\Admin\AppData\Local\Temp\8e551ccfee0da3f6df1947f46f8f05b9.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\ProgramData\32372314296364518244.exe"C:\ProgramData\32372314296364518244.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:3952 -
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:4900
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C:\ProgramData\10811910662292457782.exe"C:\ProgramData\10811910662292457782.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:920 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\10811910662292457782.exe3⤵
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1180
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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\8e551ccfee0da3f6df1947f46f8f05b9.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 20962⤵
- Program crash
PID:2184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3740 -ip 37401⤵PID:316
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
552.4MB
MD566ac42015c205a62ec45e1ca6bf07b6b
SHA1f8869b491e561da1124dd04f00eb1a9767060f45
SHA25677291d98f86d99b473e6ca9ccdfdfe452b9ec87bc7467b372c7d72dc7853dd91
SHA512ad1bc88fbcc339c4265b7c779b2c16124e3e29d867e8d0c81d266cd352eae784d969733e2a8d038c488eaf81db2b669c178f807f0882b3d5754417e296c046af
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Filesize
550.4MB
MD5acea8fc5f7b08c98fa756c490578cce9
SHA1f0fef57bc525c8f7196edb40310066e5f4fa1b58
SHA256504fcc08c8e0901ee7988317eacc65e0eff1038808dfcd76f5430ac392911882
SHA5121d9da74bd43ed11d52b90f768227e1da50b2cfcfb9d8eac988bfc30970633764b53c8142540cef7e800454d0d2a7b287af36b2e94a91407df151d4ae352287d8