Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2023 15:37
Static task
static1
Behavioral task
behavioral1
Sample
f1cdd43555f0a71621775280ccb69ff0.exe
Resource
win7-20230220-en
General
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Target
f1cdd43555f0a71621775280ccb69ff0.exe
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Size
335KB
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MD5
f1cdd43555f0a71621775280ccb69ff0
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SHA1
e9747b952ccc01bad4b776bd0264fdad52513c7d
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SHA256
d927d33966be61de99eba33be4efb7b09ac5348e17caadf92dbcc094a8ad663f
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SHA512
d70f5d0cd5ca0db15cb7a0d2b709d6607152ee232051864df0f17420ae3dace0b502c93692c1022cfbc45b5ac38cd81152f02355ba6250f6cdbaafcce95e8929
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SSDEEP
3072:eitrrz+oiokGjhQXMMke0KaZPoklmHYCrgx4jJPQKLQkkkKPGVmfCE5RAetXpF:T+oi1GjA8RKHH5nJPVCKVeA
Malware Config
Extracted
vidar
3.5
2234cb18bdcd93ea6f4e5f1473025a81
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
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profile_id_v2
2234cb18bdcd93ea6f4e5f1473025a81
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user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7
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__ 45886093484023018431.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\SystemBiosVersion 45886093484023018431.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 45886093484023018431.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 f1cdd43555f0a71621775280ccb69ff0.exe -
Executes dropped EXE 3 IoCs
pid Process 2264 45886093484023018431.exe 740 97809796826947043258.exe 2572 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4872 f1cdd43555f0a71621775280ccb69ff0.exe 4872 f1cdd43555f0a71621775280ccb69ff0.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/0x0008000000023161-252.dat upx behavioral2/files/0x0008000000023161-255.dat upx behavioral2/files/0x0008000000023161-254.dat upx behavioral2/memory/740-256-0x0000000000A40000-0x00000000018A4000-memory.dmp upx behavioral2/memory/740-257-0x0000000000A40000-0x00000000018A4000-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" 45886093484023018431.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 45886093484023018431.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2264 45886093484023018431.exe 2572 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 1800 4872 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 f1cdd43555f0a71621775280ccb69ff0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f1cdd43555f0a71621775280ccb69ff0.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1556 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 62 Go-http-client/1.1 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4 f1cdd43555f0a71621775280ccb69ff0.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 5c0000000100000004000000000800000f00000001000000140000005d82adb90d5dd3c7e3524f56f787ec53726187760b000000010000005200000047006f00200044006100640064007900200043006c00610073007300200032002000430065007200740069006600690063006100740069006f006e00200041007500740068006f007200690074007900000053000000010000004800000030463021060b6086480186fd6d0107170330123010060a2b0601040182373c0101030200c03021060b6086480186fd6e0107170330123010060a2b0601040182373c0101030200c009000000010000002a000000302806082b0601050507030206082b0601050507030306082b0601050507030406082b06010505070301620000000100000020000000c3846bf24b9e93ca64274c0ec67c1ecc5e024ffcacd2d74019350e81fe546ae4140000000100000014000000d2c4b0d291d44c1171b361cb3da1fedda86ad4e31d000000010000001000000099949d2179811f6b30a8c99c4f6b42260300000001000000140000002796bae63f1801e277261ba0d77770028f20eee419000000010000001000000063664b080559a094d10f0a3c5f4f629020000000010000000404000030820400308202e8a003020102020100300d06092a864886f70d01010505003063310b30090603550406130255533121301f060355040a131854686520476f2044616464792047726f75702c20496e632e3131302f060355040b1328476f20446164647920436c61737320322043657274696669636174696f6e20417574686f72697479301e170d3034303632393137303632305a170d3334303632393137303632305a3063310b30090603550406130255533121301f060355040a131854686520476f2044616464792047726f75702c20496e632e3131302f060355040b1328476f20446164647920436c61737320322043657274696669636174696f6e20417574686f7269747930820120300d06092a864886f70d01010105000382010d00308201080282010100de9dd7ea571849a15bebd75f4886eabeddffe4ef671cf46568b35771a05e77bbed9b49e970803d561863086fdaf2ccd03f7f0254225410d8b281d4c0753d4b7fc777c33e78ab1a03b5206b2f6a2bb1c5887ec4bb1eb0c1d845276faa3758f78726d7d82df6a917b71f72364ea6173f659892db2a6e5da2fe88e00bde7fe58d15e1ebcb3ad5e212a2132dd88eaf5f123da0080508b65ca565380445991ea3606074c541a572621b62c51f6f5f1a42be025165a8ae23186afc7803a94d7f80c3faab5afca140a4ca1916feb2c8ef5e730dee77bd9af67998bcb10767a2150ddda058c6447b0a3e62285fba41075358cf117e3874c5f8ffb569908f8474ea971baf020103a381c03081bd301d0603551d0e04160414d2c4b0d291d44c1171b361cb3da1fedda86ad4e330818d0603551d230481853081828014d2c4b0d291d44c1171b361cb3da1fedda86ad4e3a167a4653063310b30090603550406130255533121301f060355040a131854686520476f2044616464792047726f75702c20496e632e3131302f060355040b1328476f20446164647920436c61737320322043657274696669636174696f6e20417574686f72697479820100300c0603551d13040530030101ff300d06092a864886f70d01010505000382010100324bf3b2ca3e91fc12c6a1078c8e77a03306145c901e18f708a63d0a19f98780116e69e4961730ff3491637238eecc1c01a31d9428a431f67ac454d7f6e5315803a2ccce62db944573b5bf45c924b5d58202ad2379698db8b64dcecf4cca3323e81c88aa9d8b416e16c920e5899ecd3bda70f77e992620145425ab6e7385e69b219d0a6c820ea8f8c20cfa101e6c96ef870dc40f618badee832b95f88e92847239eb20ea83ed83cd976e08bceb4e26b6732be4d3f64cfe2671e26111744aff571a870f75482ecf516917a002126195d5d140b2104ceec4ac1043a6a59e0ad595629a0dcf8882c5320ce42b9f45e60d9f289cb1b92a5a57ad370faf1d7fdbbd9f f1cdd43555f0a71621775280ccb69ff0.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4872 f1cdd43555f0a71621775280ccb69ff0.exe 4872 f1cdd43555f0a71621775280ccb69ff0.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4872 wrote to memory of 2264 4872 f1cdd43555f0a71621775280ccb69ff0.exe 90 PID 4872 wrote to memory of 2264 4872 f1cdd43555f0a71621775280ccb69ff0.exe 90 PID 4872 wrote to memory of 740 4872 f1cdd43555f0a71621775280ccb69ff0.exe 92 PID 4872 wrote to memory of 740 4872 f1cdd43555f0a71621775280ccb69ff0.exe 92 PID 740 wrote to memory of 4540 740 97809796826947043258.exe 93 PID 740 wrote to memory of 4540 740 97809796826947043258.exe 93 PID 4540 wrote to memory of 4524 4540 cmd.exe 95 PID 4540 wrote to memory of 4524 4540 cmd.exe 95 PID 4872 wrote to memory of 1752 4872 f1cdd43555f0a71621775280ccb69ff0.exe 96 PID 4872 wrote to memory of 1752 4872 f1cdd43555f0a71621775280ccb69ff0.exe 96 PID 4872 wrote to memory of 1752 4872 f1cdd43555f0a71621775280ccb69ff0.exe 96 PID 1752 wrote to memory of 1556 1752 cmd.exe 99 PID 1752 wrote to memory of 1556 1752 cmd.exe 99 PID 1752 wrote to memory of 1556 1752 cmd.exe 99 PID 2264 wrote to memory of 2572 2264 45886093484023018431.exe 101 PID 2264 wrote to memory of 2572 2264 45886093484023018431.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\f1cdd43555f0a71621775280ccb69ff0.exe"C:\Users\Admin\AppData\Local\Temp\f1cdd43555f0a71621775280ccb69ff0.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\ProgramData\45886093484023018431.exe"C:\ProgramData\45886093484023018431.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:2264 -
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:2572
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C:\ProgramData\97809796826947043258.exe"C:\ProgramData\97809796826947043258.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\97809796826947043258.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4524
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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\f1cdd43555f0a71621775280ccb69ff0.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 23642⤵
- Program crash
PID:1800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4872 -ip 48721⤵PID:3932
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
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Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
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Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
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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
433.2MB
MD5947aadf5d03caccbd14888e14a6835c9
SHA115d7ddfee767a332a7a3e8363b4133cb942aeb1e
SHA256e662b8df3949ed26054a48e3d17fabd8d6b5e10649c87b7f8eed03a0d7b0eda1
SHA51230b2836264deeec2742eae541eb10df355ce1c6e2fe345ef9b69510b12ca52d8d3b38fc9d6a745d51e5f6eafda20943266e9c62be7f730f2a062fc978f0fcf75
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Filesize
445.7MB
MD55abdfe9410a5ca736e0bf100a318bba0
SHA1dde4730528762ec0653de0e1f0114b6a668b4eb1
SHA2563e160700a5f32f76232ee591b9064e457ef1ef95b0f4fa387aecb0f897af1c29
SHA5126ab2357c74bdbe0b03408d7a33682132fef49c4161c88ef0a6ce6607f12a518ae7b41066e2a9dd1dcdefce2dea1f35ac2b82328a90dae435aec13a48cf4dfe73