Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
19-06-2022 17:07
Static task
static1
Behavioral task
behavioral1
Sample
63645a9e1f5e77ba3c75366f3a14ab87.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
63645a9e1f5e77ba3c75366f3a14ab87.exe
Resource
win10v2004-20220414-en
General
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Target
63645a9e1f5e77ba3c75366f3a14ab87.exe
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Size
768KB
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MD5
63645a9e1f5e77ba3c75366f3a14ab87
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SHA1
ed1497c47dc283118bbc57d49cd9f354785cf73d
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SHA256
2ced9b36b931b73b1d325bececd01f0e4fa6bd0fff98f8b76f2f45b473311cd0
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SHA512
4efce16194322c1288603ccd4ab6507fa5905debb137ce9b200e7a76e2c041c2d2aa720061b0679f2dfb5c21a668e12fe5eeb5fe99542f5a88d4bcdf103296f0
Malware Config
Extracted
recordbreaker
http://136.244.65.99/
http://140.82.52.55/
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 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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suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
Fvmidruhvvwkpvmfzdjkqkyhgrn.exe5816E44T.exepid Process 3696 Fvmidruhvvwkpvmfzdjkqkyhgrn.exe 4888 5816E44T.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
63645a9e1f5e77ba3c75366f3a14ab87.exe63645a9e1f5e77ba3c75366f3a14ab87.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation 63645a9e1f5e77ba3c75366f3a14ab87.exe Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation 63645a9e1f5e77ba3c75366f3a14ab87.exe -
Loads dropped DLL 3 IoCs
Processes:
63645a9e1f5e77ba3c75366f3a14ab87.exepid Process 1688 63645a9e1f5e77ba3c75366f3a14ab87.exe 1688 63645a9e1f5e77ba3c75366f3a14ab87.exe 1688 63645a9e1f5e77ba3c75366f3a14ab87.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
63645a9e1f5e77ba3c75366f3a14ab87.exedescription pid Process procid_target PID 4552 set thread context of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exe63645a9e1f5e77ba3c75366f3a14ab87.exepid Process 1500 powershell.exe 1500 powershell.exe 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
63645a9e1f5e77ba3c75366f3a14ab87.exepowershell.exedescription pid Process Token: SeDebugPrivilege 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe Token: SeDebugPrivilege 1500 powershell.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
63645a9e1f5e77ba3c75366f3a14ab87.exe63645a9e1f5e77ba3c75366f3a14ab87.exedescription pid Process procid_target PID 4552 wrote to memory of 1500 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 89 PID 4552 wrote to memory of 1500 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 89 PID 4552 wrote to memory of 1500 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 89 PID 4552 wrote to memory of 3696 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 91 PID 4552 wrote to memory of 3696 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 91 PID 4552 wrote to memory of 3696 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 91 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 4552 wrote to memory of 1688 4552 63645a9e1f5e77ba3c75366f3a14ab87.exe 92 PID 1688 wrote to memory of 4888 1688 63645a9e1f5e77ba3c75366f3a14ab87.exe 93 PID 1688 wrote to memory of 4888 1688 63645a9e1f5e77ba3c75366f3a14ab87.exe 93 PID 1688 wrote to memory of 4888 1688 63645a9e1f5e77ba3c75366f3a14ab87.exe 93 PID 1688 wrote to memory of 4116 1688 63645a9e1f5e77ba3c75366f3a14ab87.exe 94 PID 1688 wrote to memory of 4116 1688 63645a9e1f5e77ba3c75366f3a14ab87.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\63645a9e1f5e77ba3c75366f3a14ab87.exe"C:\Users\Admin\AppData\Local\Temp\63645a9e1f5e77ba3c75366f3a14ab87.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1500
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C:\Users\Admin\AppData\Local\Temp\Fvmidruhvvwkpvmfzdjkqkyhgrn.exe"C:\Users\Admin\AppData\Local\Temp\Fvmidruhvvwkpvmfzdjkqkyhgrn.exe"2⤵
- Executes dropped EXE
PID:3696
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C:\Users\Admin\AppData\Local\Temp\63645a9e1f5e77ba3c75366f3a14ab87.exeC:\Users\Admin\AppData\Local\Temp\63645a9e1f5e77ba3c75366f3a14ab87.exe2⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\5816E44T.exe"C:\Users\Admin\AppData\Local\Temp\5816E44T.exe"3⤵
- Executes dropped EXE
PID:4888
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C:\Users\Admin\AppData\Local\Temp\QB92hYiQ.exe"C:\Users\Admin\AppData\Local\Temp\QB92hYiQ.exe"3⤵PID:4116
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C:\Users\Admin\AppData\Local\Temp\HT9hPv5h.exe"C:\Users\Admin\AppData\Local\Temp\HT9hPv5h.exe"3⤵PID:3808
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C:\Users\Admin\AppData\Local\Temp\0y1yl1cb.exe"C:\Users\Admin\AppData\Local\Temp\0y1yl1cb.exe"3⤵PID:1672
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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
985KB
MD50e5c23d14dc6448fff9ee7fe356cee81
SHA1fae0a0acbf6e174b22d3fe0ff6cfe332a462b33b
SHA256a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28
SHA5126363c36750aa00e9f521d402f10f37745bd0f8a4ab2cfddbf342bce7743b8a853016e2afc58982f719d316d73fe255841276966a508eb3ccb7ce83733ff12b03
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Filesize
985KB
MD50e5c23d14dc6448fff9ee7fe356cee81
SHA1fae0a0acbf6e174b22d3fe0ff6cfe332a462b33b
SHA256a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28
SHA5126363c36750aa00e9f521d402f10f37745bd0f8a4ab2cfddbf342bce7743b8a853016e2afc58982f719d316d73fe255841276966a508eb3ccb7ce83733ff12b03
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Filesize
43KB
MD59c779aff9633f41e48fd1d61ad0fec74
SHA156ddac67f989e7368c343a8b3de66029e7190c73
SHA2563c90fb39f5c4023f142b1b71d0172cd2a5caad6d469ea88f3ee7458cac81b064
SHA51252f40833306f2cf4144a77007eda52570c90bdd9add9cd59a6c82b9eeb7b1fdd67e02446ed49079a3000fe6892194695c99da7bf87bda19456558c1e067655eb
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Filesize
43KB
MD59c779aff9633f41e48fd1d61ad0fec74
SHA156ddac67f989e7368c343a8b3de66029e7190c73
SHA2563c90fb39f5c4023f142b1b71d0172cd2a5caad6d469ea88f3ee7458cac81b064
SHA51252f40833306f2cf4144a77007eda52570c90bdd9add9cd59a6c82b9eeb7b1fdd67e02446ed49079a3000fe6892194695c99da7bf87bda19456558c1e067655eb
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Filesize
21KB
MD5f35a031075f711d05262e547d028ae86
SHA19c9e3bdf907fcfa959910cd9c752e297765ccf80
SHA2563c0c5786499c54c8f99e689f7e1bfc129e4d10c3de58c7917fc73044e12346b9
SHA512ff5235e388cc82f45e2dda4e93b66f752789b6cda1b6a4076af0171ab88ea422e8309a0f85abfa2d2e8ed5a760c3d83c4ec13fea9b566c0dd470a5c64c1a8a30
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Filesize
21KB
MD5f35a031075f711d05262e547d028ae86
SHA19c9e3bdf907fcfa959910cd9c752e297765ccf80
SHA2563c0c5786499c54c8f99e689f7e1bfc129e4d10c3de58c7917fc73044e12346b9
SHA512ff5235e388cc82f45e2dda4e93b66f752789b6cda1b6a4076af0171ab88ea422e8309a0f85abfa2d2e8ed5a760c3d83c4ec13fea9b566c0dd470a5c64c1a8a30
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Filesize
736KB
MD56b30061dc516d9c8537abd504b0321a8
SHA18845f0ef36d4e72d107e6b2484dad4f71b9ed994
SHA2565264fb4ba5dac27b8b5d0602963d7401b58f93509b10686302f345691c55797e
SHA5127ddb3e9fd719073cd02da3327bbd484a3dd1b35ef527efaca919f313387308f4e0dfcbcdf32d71136f495040d2433fc7a6c8443873d957897d8263dda5bf3830
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Filesize
736KB
MD56b30061dc516d9c8537abd504b0321a8
SHA18845f0ef36d4e72d107e6b2484dad4f71b9ed994
SHA2565264fb4ba5dac27b8b5d0602963d7401b58f93509b10686302f345691c55797e
SHA5127ddb3e9fd719073cd02da3327bbd484a3dd1b35ef527efaca919f313387308f4e0dfcbcdf32d71136f495040d2433fc7a6c8443873d957897d8263dda5bf3830
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Filesize
1.2MB
MD5ac01d8dba3b961adee1b7cfe37efcfb5
SHA1b134eeeae442f6d449e6170527e2f21ce4f26499
SHA256ad8707472a147dc440da2adbc80dbcd6269ae0d345b8a85081e390fa8d842947
SHA51238a063fd01a1edc086da640e0b2ca0632445d113ff000a96b722ceca3ac0424c85b3a26782aa5146fb30a3e6852549811d2bf21157ef776e0f1812aa6caadc1e
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Filesize
1.2MB
MD5ac01d8dba3b961adee1b7cfe37efcfb5
SHA1b134eeeae442f6d449e6170527e2f21ce4f26499
SHA256ad8707472a147dc440da2adbc80dbcd6269ae0d345b8a85081e390fa8d842947
SHA51238a063fd01a1edc086da640e0b2ca0632445d113ff000a96b722ceca3ac0424c85b3a26782aa5146fb30a3e6852549811d2bf21157ef776e0f1812aa6caadc1e