Analysis
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max time kernel
83s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
28-06-2022 17:36
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20220414-en
General
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Target
setup.exe
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Size
398.8MB
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MD5
1aa8b18e333b780fe844b1d02c809324
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SHA1
670fa4aefb7a66dcb4141766c4d640744bbbf7e7
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SHA256
3252f6acde19aa764d3545b47e3f72ef02cc857df9ced5c0f1b01b48acf81eef
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SHA512
55e35593671b0e10e304c05fc41ff0aa681a75aec094d3b66c3495d0af9f545e39f0240b79778ad5dedde017d51e40c4925ccef1da39256e2ee35059fa846bab
Malware Config
Extracted
recordbreaker
http://45.133.216.200/
http://45.133.216.71/
Signatures
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RecordBreaker
RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.
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suricata: ET MALWARE Generic .bin download from Dotted Quad
suricata: ET MALWARE Generic .bin download from Dotted Quad
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suricata: ET MALWARE Generic Stealer Config Download Request
suricata: ET MALWARE Generic Stealer Config Download Request
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suricata: ET MALWARE Win32/RecordBreaker CnC Checkin
suricata: ET MALWARE Win32/RecordBreaker CnC Checkin
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ setup.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1476 9S2u9f69.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion setup.exe -
Loads dropped DLL 4 IoCs
pid Process 1620 setup.exe 1620 setup.exe 1620 setup.exe 1620 setup.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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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 setup.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1620 setup.exe 1476 9S2u9f69.exe 1476 9S2u9f69.exe -
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 560 1476 WerFault.exe 28 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1016 schtasks.exe 860 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1620 setup.exe 1620 setup.exe 1620 setup.exe 1476 9S2u9f69.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1620 wrote to memory of 1476 1620 setup.exe 28 PID 1620 wrote to memory of 1476 1620 setup.exe 28 PID 1620 wrote to memory of 1476 1620 setup.exe 28 PID 1620 wrote to memory of 1476 1620 setup.exe 28 PID 1476 wrote to memory of 1016 1476 9S2u9f69.exe 29 PID 1476 wrote to memory of 1016 1476 9S2u9f69.exe 29 PID 1476 wrote to memory of 1016 1476 9S2u9f69.exe 29 PID 1476 wrote to memory of 1016 1476 9S2u9f69.exe 29 PID 1476 wrote to memory of 1528 1476 9S2u9f69.exe 31 PID 1476 wrote to memory of 1528 1476 9S2u9f69.exe 31 PID 1476 wrote to memory of 1528 1476 9S2u9f69.exe 31 PID 1476 wrote to memory of 1528 1476 9S2u9f69.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\AppData\Roaming\9S2u9f69.exe"C:\Users\Admin\AppData\Roaming\9S2u9f69.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 5 /tn "NodeJSEnvironmentUpdateTask" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\AddIns\WmiPrvSE.exe"3⤵
- Creates scheduled task(s)
PID:1016
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C:\Windows\SysWOW64\schtasks.exe/C /Query /XML /TN "NodeJSEnvironmentUpdateTask"3⤵PID:1528
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /tn "NodeJSEnvironmentUpdateTask" /XML "C:\Users\Admin\AppData\Roaming\Microsoft\AddIns\hC5zF4xW4pD6iF6a.xml"3⤵
- Creates scheduled task(s)
PID:860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 1923⤵
- Program crash
PID:560
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
6.8MB
MD59f7bbc47a68cd4e2756f3b93ed11a992
SHA1fbaa3b807af132b6ce5427e6d9a7111fd01b74d2
SHA256174beae865aa09fbab3532ef461353134dfec5649c0fc1173a3cf20e5ffae1a7
SHA5121aadee0f3a8461ab003e7b8f680c47c45baac7aaed1bf310a82e1ea58040bb9d915a59b2cc79ccb7bfe7b0e5018ecebfe2d13a650d0051c9ee04d25a547aeaaf
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Filesize
6.8MB
MD59f7bbc47a68cd4e2756f3b93ed11a992
SHA1fbaa3b807af132b6ce5427e6d9a7111fd01b74d2
SHA256174beae865aa09fbab3532ef461353134dfec5649c0fc1173a3cf20e5ffae1a7
SHA5121aadee0f3a8461ab003e7b8f680c47c45baac7aaed1bf310a82e1ea58040bb9d915a59b2cc79ccb7bfe7b0e5018ecebfe2d13a650d0051c9ee04d25a547aeaaf
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Filesize
612KB
MD5f07d9977430e762b563eaadc2b94bbfa
SHA1da0a05b2b8d269fb73558dfcf0ed5c167f6d3877
SHA2564191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
SHA5126afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf
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Filesize
1.9MB
MD5f67d08e8c02574cbc2f1122c53bfb976
SHA16522992957e7e4d074947cad63189f308a80fcf2
SHA256c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
SHA5122e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5
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Filesize
1.0MB
MD5dbf4f8dcefb8056dc6bae4b67ff810ce
SHA1bbac1dd8a07c6069415c04b62747d794736d0689
SHA25647b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
SHA512b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1
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Filesize
6.8MB
MD59f7bbc47a68cd4e2756f3b93ed11a992
SHA1fbaa3b807af132b6ce5427e6d9a7111fd01b74d2
SHA256174beae865aa09fbab3532ef461353134dfec5649c0fc1173a3cf20e5ffae1a7
SHA5121aadee0f3a8461ab003e7b8f680c47c45baac7aaed1bf310a82e1ea58040bb9d915a59b2cc79ccb7bfe7b0e5018ecebfe2d13a650d0051c9ee04d25a547aeaaf