Analysis
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max time kernel
43s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
18/06/2022, 14:44
Static task
static1
Behavioral task
behavioral1
Sample
3e2d0c1798a20041337629893cb2b2ea.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3e2d0c1798a20041337629893cb2b2ea.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
e729c14e3ba0a6eff92196a8047c3a08.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
e729c14e3ba0a6eff92196a8047c3a08.exe
Resource
win10v2004-20220414-en
General
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Target
e729c14e3ba0a6eff92196a8047c3a08.exe
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Size
465.0MB
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MD5
7e399798abc1a7b3c58a814de3f021bd
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SHA1
dd11c9c4bfffe0685509aa0f05786c8ce417a38f
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SHA256
aed97d020745e4ddca304da24873a349e626b35934fb60201233040799dc4e29
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SHA512
578f88ce33b91a7928500a050c5223ec3d6439e494533b30863b50f59ff6be2bcbd90ad3427e447689b491ea838c9de6ae7c357897761b940b040ff4f932900b
Malware Config
Extracted
recordbreaker
http://146.19.247.52/
http://77.91.102.115/
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 Recordbreaker Stealer CnC Checkin
suricata: ET MALWARE Recordbreaker Stealer 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__ e729c14e3ba0a6eff92196a8047c3a08.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 432 Z5nEl39c.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\SystemBiosVersion e729c14e3ba0a6eff92196a8047c3a08.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion e729c14e3ba0a6eff92196a8047c3a08.exe -
Loads dropped DLL 4 IoCs
pid Process 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 1748 e729c14e3ba0a6eff92196a8047c3a08.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 behavioral3/memory/1748-55-0x00000000002D0000-0x0000000000A5E000-memory.dmp themida behavioral3/memory/1748-56-0x00000000002D0000-0x0000000000A5E000-memory.dmp themida behavioral3/memory/1748-57-0x00000000002D0000-0x0000000000A5E000-memory.dmp themida behavioral3/memory/1748-59-0x00000000002D0000-0x0000000000A5E000-memory.dmp themida behavioral3/memory/1748-67-0x00000000002D0000-0x0000000000A5E000-memory.dmp themida -
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 e729c14e3ba0a6eff92196a8047c3a08.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 432 Z5nEl39c.exe 432 Z5nEl39c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1340 schtasks.exe 616 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 432 Z5nEl39c.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1748 wrote to memory of 432 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 29 PID 1748 wrote to memory of 432 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 29 PID 1748 wrote to memory of 432 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 29 PID 1748 wrote to memory of 432 1748 e729c14e3ba0a6eff92196a8047c3a08.exe 29 PID 432 wrote to memory of 1340 432 Z5nEl39c.exe 30 PID 432 wrote to memory of 1340 432 Z5nEl39c.exe 30 PID 432 wrote to memory of 1340 432 Z5nEl39c.exe 30 PID 432 wrote to memory of 1340 432 Z5nEl39c.exe 30 PID 432 wrote to memory of 568 432 Z5nEl39c.exe 32 PID 432 wrote to memory of 568 432 Z5nEl39c.exe 32 PID 432 wrote to memory of 568 432 Z5nEl39c.exe 32 PID 432 wrote to memory of 568 432 Z5nEl39c.exe 32 PID 432 wrote to memory of 616 432 Z5nEl39c.exe 34 PID 432 wrote to memory of 616 432 Z5nEl39c.exe 34 PID 432 wrote to memory of 616 432 Z5nEl39c.exe 34 PID 432 wrote to memory of 616 432 Z5nEl39c.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\e729c14e3ba0a6eff92196a8047c3a08.exe"C:\Users\Admin\AppData\Local\Temp\e729c14e3ba0a6eff92196a8047c3a08.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:1748 -
C:\Users\Admin\AppData\Local\Temp\Z5nEl39c.exe"C:\Users\Admin\AppData\Local\Temp\Z5nEl39c.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 5 /tn "NodeJSEnvironmentUpdateTask" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\AddIns\NodeDisplay.Container.exe"3⤵
- Creates scheduled task(s)
PID:1340
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C:\Windows\SysWOW64\schtasks.exe/C /Query /XML /TN "NodeJSEnvironmentUpdateTask"3⤵PID:568
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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:616
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
6.9MB
MD574744fc068f935608dff34ecd0eb1f96
SHA15e629dd17a206424302b9794f981d3e1b3b25695
SHA2568a9d3071e53165637980d076f325c66630a2189b8adcff78cabe17b41d7d87b3
SHA512c750062b6e9fe2c0fba5391b38553edd7cfac145a6ed2cd0a4ec7cd195b64f3fa1049154247d35494515781031ba7ac64bbac4526eedfe2cd7ef73af16d09b42
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Filesize
6.9MB
MD574744fc068f935608dff34ecd0eb1f96
SHA15e629dd17a206424302b9794f981d3e1b3b25695
SHA2568a9d3071e53165637980d076f325c66630a2189b8adcff78cabe17b41d7d87b3
SHA512c750062b6e9fe2c0fba5391b38553edd7cfac145a6ed2cd0a4ec7cd195b64f3fa1049154247d35494515781031ba7ac64bbac4526eedfe2cd7ef73af16d09b42
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Filesize
1KB
MD58d6e2c336a9f252bfadcb8fdd27aea07
SHA140316ec9a41ee48e3bf0f4e05c3bb44776600c0e
SHA256dac350b9cce117269e040dcca44f1f20a64ea5c84271e89554db69a4adab817c
SHA512dbb5a909eeccf5a9734e113a05ef336a8c3463f12cb902a38fd0658e562ec3878f3ccaf651402d610240ffaed93a68928db79c8e7b02a474ef603790dc36e425
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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
6.9MB
MD574744fc068f935608dff34ecd0eb1f96
SHA15e629dd17a206424302b9794f981d3e1b3b25695
SHA2568a9d3071e53165637980d076f325c66630a2189b8adcff78cabe17b41d7d87b3
SHA512c750062b6e9fe2c0fba5391b38553edd7cfac145a6ed2cd0a4ec7cd195b64f3fa1049154247d35494515781031ba7ac64bbac4526eedfe2cd7ef73af16d09b42