Analysis
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max time kernel
135s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 14:11
Static task
static1
General
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Target
bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe
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Size
291KB
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MD5
c0cddc95c61243fcc138abdedd77036d
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SHA1
bc7a72334c9d38bd12ca62812720f3eb62a8e6de
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SHA256
bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e
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SHA512
c9f2bddac82468a9aae8dcb5c577de1901b28d02adb4f9ee27d7ca18f1168111d0c56c143b467af987ed33020780dc7c5a18ff4e2a41d7ac78855e9bad98d7db
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SSDEEP
3072:tD0WX/L6PD0HApNr0mjugOIBwZgVZ5i5Ib7pJhD5:/X/L6LWENrTggdrfjhD
Malware Config
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Downloads MZ/PE file
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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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe -
Executes dropped EXE 2 IoCs
pid Process 2996 AFCBFIJEHD.exe 632 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.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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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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" AFCBFIJEHD.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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4708 1184 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 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1104 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 39 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1184 wrote to memory of 1780 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 84 PID 1184 wrote to memory of 1780 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 84 PID 1184 wrote to memory of 1780 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 84 PID 1184 wrote to memory of 2388 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 86 PID 1184 wrote to memory of 2388 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 86 PID 1184 wrote to memory of 2388 1184 bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe 86 PID 2388 wrote to memory of 1104 2388 cmd.exe 89 PID 2388 wrote to memory of 1104 2388 cmd.exe 89 PID 2388 wrote to memory of 1104 2388 cmd.exe 89 PID 1780 wrote to memory of 2996 1780 cmd.exe 90 PID 1780 wrote to memory of 2996 1780 cmd.exe 90 PID 1780 wrote to memory of 2996 1780 cmd.exe 90 PID 2996 wrote to memory of 632 2996 AFCBFIJEHD.exe 94 PID 2996 wrote to memory of 632 2996 AFCBFIJEHD.exe 94 PID 2996 wrote to memory of 632 2996 AFCBFIJEHD.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe"C:\Users\Admin\AppData\Local\Temp\bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe"C:\Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:632
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\bc169d66a15f7a459d73225fe925d3d08fa693530313bc6f31b2e711eaad1f0e.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 23402⤵
- Program crash
PID:4708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1184 -ip 11841⤵PID:3744
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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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
1.9MB
MD552cf0121c6e7906c6ecae7fe91780b37
SHA1ab1364fb1908684956c80e0e6a5f09ca7f399269
SHA2568eedcb9fa507269b6e4930996c16c425e94c7870a0dad263b34dd3d2281e21f0
SHA512671cbc150f70b650af911ba3be0ac1c91e6616d87cd343b354aed1dfc9506766d6116452ab11552628f313c3dc57db1c20b6015c16981b1d8d0f4f30e9d75164
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Filesize
1.9MB
MD552cf0121c6e7906c6ecae7fe91780b37
SHA1ab1364fb1908684956c80e0e6a5f09ca7f399269
SHA2568eedcb9fa507269b6e4930996c16c425e94c7870a0dad263b34dd3d2281e21f0
SHA512671cbc150f70b650af911ba3be0ac1c91e6616d87cd343b354aed1dfc9506766d6116452ab11552628f313c3dc57db1c20b6015c16981b1d8d0f4f30e9d75164
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Filesize
629.4MB
MD5a4ad87866d92971df7e35b88e2734d8d
SHA1d8e795f1410cf86a1247d76b07fa9ceb4593763a
SHA256d27124f659f87d3e71abc5c57ff578cfc26171bc8d353c9feddc1b3bcfe3f3b4
SHA51204018b9586942d879597b949193e593c83d50cd1671bfb749bef9943646f6237f28d9e090c81bf697b8d4f990c35b297b0f6c3673f9dd6689f16a2ad46cb5037
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Filesize
564.1MB
MD5ed08457b0aae2bb21ccd74ed8654d2c1
SHA10ff493cf03c2f764f79763ec32b999e1b12dfff9
SHA256135cd750f5c1d877991b1781099d3b0a7d2a5f08f4402ebabcd63ac8d0e04717
SHA512cf303cd3272c05d94f385699820ff2093bb78eb16bcd36dbf64a2554d37feb63b8596948f51b6c36987313d6f912d9f9da68f3d4cc8d38e8f24edda12b6e6ac5
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Filesize
597.9MB
MD5d81f4e755413b760d68db99dbee9ea02
SHA1c132efa1b23fd3b06bc9e460ed6b37c80d8dffc7
SHA2569fc5d74c49395e89c8bdd8ccd59d0c7e2603b13d1fd2d7069ac27645b9923d71
SHA51239a817071b2af7c162061d15909ab69161c88409364141c919195de3a7ba89fa14989db6f7dcae54fb53db2edba3751701ffa18e8d864793f54d044848a403f3