Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15-03-2023 21:21
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
General
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Target
tmp.exe
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Size
301KB
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MD5
98ac2255d753b5c02c9cd5e3e433f4f9
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SHA1
c20b11f2eaebf7180dcd4c2702d5cb5d62b70984
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SHA256
47503ca606b113e92223665ec5999de0515644d683e5feb9016577915373de12
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SHA512
96aa7fbdc23f7d8aecb8c5adc7d9b7a4dc44518effb38f4bccf2c84019fcb6d9700a250d8b1484d5689c7cb671ec2964506d6d90a3b093350d2c5e47007151a2
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SSDEEP
3072:TmFLM59uQLh0ENhA5iN0LlWOZzbpS1dMrCXFw7v9ZNlfVjP:CFLAL1nJ0pWOZXpS1yOXFwrpn
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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation tmp.exe -
Executes dropped EXE 2 IoCs
pid Process 5028 HIEHDHCFIJ.exe 4668 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3520 tmp.exe 3520 tmp.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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" HIEHDHCFIJ.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 1260 3520 WerFault.exe 85 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString tmp.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 tmp.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2412 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 48 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3520 tmp.exe 3520 tmp.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3520 wrote to memory of 8 3520 tmp.exe 91 PID 3520 wrote to memory of 8 3520 tmp.exe 91 PID 3520 wrote to memory of 8 3520 tmp.exe 91 PID 3520 wrote to memory of 1120 3520 tmp.exe 93 PID 3520 wrote to memory of 1120 3520 tmp.exe 93 PID 3520 wrote to memory of 1120 3520 tmp.exe 93 PID 1120 wrote to memory of 2412 1120 cmd.exe 96 PID 1120 wrote to memory of 2412 1120 cmd.exe 96 PID 1120 wrote to memory of 2412 1120 cmd.exe 96 PID 8 wrote to memory of 5028 8 cmd.exe 97 PID 8 wrote to memory of 5028 8 cmd.exe 97 PID 8 wrote to memory of 5028 8 cmd.exe 97 PID 5028 wrote to memory of 4668 5028 HIEHDHCFIJ.exe 103 PID 5028 wrote to memory of 4668 5028 HIEHDHCFIJ.exe 103 PID 5028 wrote to memory of 4668 5028 HIEHDHCFIJ.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HIEHDHCFIJ.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Users\Admin\AppData\Local\Temp\HIEHDHCFIJ.exe"C:\Users\Admin\AppData\Local\Temp\HIEHDHCFIJ.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:4668
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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\tmp.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:2412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 22402⤵
- Program crash
PID:1260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3520 -ip 35201⤵PID:1808
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
MD59fcc563c4ccc00408577dc564cb4928e
SHA1c56c4b19248f0e312b3a68e18f954c968e2b8646
SHA256d528b4c1073bf00e9a791085c132e3135fa45267920c766ea7abd292239686a8
SHA512e03887dccc79bbe5f5842629617578e616cd1edad55645377337177b56eb2f3a8053564733db6d456c9e826a08ce075bbcd899fb9cd47cc9d41517eeb820a9bb
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Filesize
1.9MB
MD59fcc563c4ccc00408577dc564cb4928e
SHA1c56c4b19248f0e312b3a68e18f954c968e2b8646
SHA256d528b4c1073bf00e9a791085c132e3135fa45267920c766ea7abd292239686a8
SHA512e03887dccc79bbe5f5842629617578e616cd1edad55645377337177b56eb2f3a8053564733db6d456c9e826a08ce075bbcd899fb9cd47cc9d41517eeb820a9bb
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Filesize
567.7MB
MD516fac4563bc1dc04847d1ad26d72a8fd
SHA1ca61b358fcd643d05c504f348c1fdf776494d0a2
SHA2569655c6eb7cda75a9c0441a2c08b21aaf9b00370fa01c694161bcb10516661425
SHA5124a6236989b8a5d9628b6fc566d21e3856418854f180c672220cc2477c0a4ce982fbef833fbe7345113605bf1f4aba5ee402658f29c1a788fab205d6df09664e3
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Filesize
524.9MB
MD52da205a6eb79adc0675b1eebb6cafb55
SHA149704c9568bfab930bf3697afc746f34269c1518
SHA2563f6f73a937c872864ca747fcfaf9d8d622a8b240d5a009d8efe4b89a378ad7dc
SHA512500399ec1ee00b4b4702684b2b03fe0ada5fe8bb6712e9bbc4bca732b0f196c7d00ddac4bcc52dac5c1ea7a9a8817fae2152e0d9578c74d9592dcbd4ea5abf4b
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Filesize
523.4MB
MD593b07f3859e5c15ec54d8ba9acecad03
SHA19520ab634ea23ac5df4067abbaa8f1b380898d76
SHA256097ad2e48db078221438e57582b6ee1877e14092ec32897cbba77245df3db29c
SHA512344aa7f15106110daf504b4b767532e483a9e64a01d1dde2d7fd671c2a1f718fdfafa6c263837feae756fa0654062ed26d89355aef19923e332cb19de21c3d1b