Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12-06-2022 05:08
Static task
static1
Behavioral task
behavioral1
Sample
b12a1fa92385401e41412dbee9f20586.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
b12a1fa92385401e41412dbee9f20586.exe
Resource
win10v2004-20220414-en
General
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Target
b12a1fa92385401e41412dbee9f20586.exe
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Size
417KB
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MD5
b12a1fa92385401e41412dbee9f20586
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SHA1
6e0ef6df744bc30d5a8673232a6c21d9c3769bf2
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SHA256
12f18490e690ffb027db41bc22d126b89b7ef04b8585e67559e60d176b5039fc
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SHA512
df223ed0e3f3199428fc7a181a4965a211f23718a048d91e069d61563d7897b976ff7b05960eb01ca30ea31c14ea7a91c1e4e85039430637321925065dc74fd5
Malware Config
Extracted
recordbreaker
http://167.235.245.75/
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 Generic Stealer Sending System Information M1
suricata: ET MALWARE Generic Stealer Sending System Information M1
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suricata: ET MALWARE Recordbreaker Stealer CnC Checkin
suricata: ET MALWARE Recordbreaker Stealer CnC Checkin
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Downloads MZ/PE file
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Loads dropped DLL 3 IoCs
Processes:
b12a1fa92385401e41412dbee9f20586.exepid Process 1300 b12a1fa92385401e41412dbee9f20586.exe 1300 b12a1fa92385401e41412dbee9f20586.exe 1300 b12a1fa92385401e41412dbee9f20586.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:
b12a1fa92385401e41412dbee9f20586.exedescription pid Process procid_target PID 928 set thread context of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b12a1fa92385401e41412dbee9f20586.exedescription pid Process Token: SeDebugPrivilege 928 b12a1fa92385401e41412dbee9f20586.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b12a1fa92385401e41412dbee9f20586.exedescription pid Process procid_target PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79 PID 928 wrote to memory of 1300 928 b12a1fa92385401e41412dbee9f20586.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\b12a1fa92385401e41412dbee9f20586.exe"C:\Users\Admin\AppData\Local\Temp\b12a1fa92385401e41412dbee9f20586.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Users\Admin\AppData\Local\Temp\b12a1fa92385401e41412dbee9f20586.exeC:\Users\Admin\AppData\Local\Temp\b12a1fa92385401e41412dbee9f20586.exe2⤵
- Loads dropped DLL
PID:1300
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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