Analysis
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max time kernel
101s -
max time network
101s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04-09-2022 14:42
Static task
static1
Behavioral task
behavioral1
Sample
a5efe5d52d9088a7e07770d7c7050a4a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a5efe5d52d9088a7e07770d7c7050a4a.exe
Resource
win10v2004-20220901-en
General
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Target
a5efe5d52d9088a7e07770d7c7050a4a.exe
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Size
6.3MB
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MD5
a5efe5d52d9088a7e07770d7c7050a4a
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SHA1
7906dfa3eb1ddc0536df7b26f0477c29853fe685
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SHA256
81ae7aea498cdd4d50470b3dcd54088d7bce5bf5f6019b08d9d558acd190cb4d
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SHA512
9069fdb6ae023af7a7ef30796a0633d9e4d073d959f067b4ad73fb625235a3376c110004a2dbc497e9b20935342b77d118c960cb6f7c00ca2d32d67e47c063b0
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SSDEEP
98304:4Oe/raeMC7j0N2ScqlQLaaBCxkxn5mwUZf4sMb8SYjpvogYp6U/NOkiejuI:Oravc0cyK9r5mvf4qJYpx1Okier
Malware Config
Extracted
raccoon
8f4e4706e9b4e3a904862901d32e2123
http://78.159.103.196
http://78.159.103.214/
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
z8jWS466.exepid process 1564 z8jWS466.exe -
Loads dropped DLL 4 IoCs
Processes:
a5efe5d52d9088a7e07770d7c7050a4a.exepid process 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe 1976 a5efe5d52d9088a7e07770d7c7050a4a.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 NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
a5efe5d52d9088a7e07770d7c7050a4a.exez8jWS466.exepid process 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe 1564 z8jWS466.exe 1564 z8jWS466.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a5efe5d52d9088a7e07770d7c7050a4a.exez8jWS466.exepid process 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe 1564 z8jWS466.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
a5efe5d52d9088a7e07770d7c7050a4a.exez8jWS466.exedescription pid process target process PID 1976 wrote to memory of 1564 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe z8jWS466.exe PID 1976 wrote to memory of 1564 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe z8jWS466.exe PID 1976 wrote to memory of 1564 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe z8jWS466.exe PID 1976 wrote to memory of 1564 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe z8jWS466.exe PID 1976 wrote to memory of 1564 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe z8jWS466.exe PID 1976 wrote to memory of 1564 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe z8jWS466.exe PID 1976 wrote to memory of 1564 1976 a5efe5d52d9088a7e07770d7c7050a4a.exe z8jWS466.exe PID 1564 wrote to memory of 1536 1564 z8jWS466.exe schtasks.exe PID 1564 wrote to memory of 1536 1564 z8jWS466.exe schtasks.exe PID 1564 wrote to memory of 1536 1564 z8jWS466.exe schtasks.exe PID 1564 wrote to memory of 1536 1564 z8jWS466.exe schtasks.exe PID 1564 wrote to memory of 1780 1564 z8jWS466.exe schtasks.exe PID 1564 wrote to memory of 1780 1564 z8jWS466.exe schtasks.exe PID 1564 wrote to memory of 1780 1564 z8jWS466.exe schtasks.exe PID 1564 wrote to memory of 1780 1564 z8jWS466.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5efe5d52d9088a7e07770d7c7050a4a.exe"C:\Users\Admin\AppData\Local\Temp\a5efe5d52d9088a7e07770d7c7050a4a.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\z8jWS466.exe"C:\Users\Admin\AppData\Roaming\z8jWS466.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 5 /tn "Windows Update Helper{L9S3J5A2M4B7L7C1-S2U1K1A9W8Z7M5-P2P9U0L8K}" /tr "C:\Users\Admin\AppData\Roaming\Windows\Update\wuauclt.exe"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe/C /Query /XML /TN "Windows Update Helper{L9S3J5A2M4B7L7C1-S2U1K1A9W8Z7M5-P2P9U0L8K}"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\z8jWS466.exeFilesize
6.1MB
MD56f00565057dc3a507c7a1a74a5cdac46
SHA18dc98d2b78d5a6f2f682ad43c31b93bbba175f3b
SHA25648e820f967316ac2d672d95585b6734e4121a3eee9596fbe10260671d09c78c7
SHA5126fb0d455ee52cefeea33450d3da29f75585a63a2559f5b521d79212b1eefce5a1b4d93c0eb25e293291dab10f37379517a93992add5af7a8d259bc4700b95484
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C:\Users\Admin\AppData\Roaming\z8jWS466.exeFilesize
6.1MB
MD56f00565057dc3a507c7a1a74a5cdac46
SHA18dc98d2b78d5a6f2f682ad43c31b93bbba175f3b
SHA25648e820f967316ac2d672d95585b6734e4121a3eee9596fbe10260671d09c78c7
SHA5126fb0d455ee52cefeea33450d3da29f75585a63a2559f5b521d79212b1eefce5a1b4d93c0eb25e293291dab10f37379517a93992add5af7a8d259bc4700b95484
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\Users\Admin\AppData\LocalLow\mozglue.dllFilesize
612KB
MD5f07d9977430e762b563eaadc2b94bbfa
SHA1da0a05b2b8d269fb73558dfcf0ed5c167f6d3877
SHA2564191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
SHA5126afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf
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\Users\Admin\AppData\LocalLow\nss3.dllFilesize
1.9MB
MD5f67d08e8c02574cbc2f1122c53bfb976
SHA16522992957e7e4d074947cad63189f308a80fcf2
SHA256c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
SHA5122e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5
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\Users\Admin\AppData\LocalLow\sqlite3.dllFilesize
1.0MB
MD5dbf4f8dcefb8056dc6bae4b67ff810ce
SHA1bbac1dd8a07c6069415c04b62747d794736d0689
SHA25647b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
SHA512b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1
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\Users\Admin\AppData\Roaming\z8jWS466.exeFilesize
6.1MB
MD56f00565057dc3a507c7a1a74a5cdac46
SHA18dc98d2b78d5a6f2f682ad43c31b93bbba175f3b
SHA25648e820f967316ac2d672d95585b6734e4121a3eee9596fbe10260671d09c78c7
SHA5126fb0d455ee52cefeea33450d3da29f75585a63a2559f5b521d79212b1eefce5a1b4d93c0eb25e293291dab10f37379517a93992add5af7a8d259bc4700b95484
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memory/1536-69-0x0000000000000000-mapping.dmp
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memory/1564-63-0x0000000000000000-mapping.dmp
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memory/1564-68-0x0000000000400000-0x0000000000D76000-memory.dmpFilesize
9.5MB
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memory/1564-70-0x0000000000400000-0x0000000000D76000-memory.dmpFilesize
9.5MB
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memory/1564-72-0x0000000000400000-0x0000000000D76000-memory.dmpFilesize
9.5MB
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memory/1780-71-0x0000000000000000-mapping.dmp
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memory/1976-54-0x0000000000400000-0x0000000000DCA000-memory.dmpFilesize
9.8MB
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memory/1976-58-0x0000000000400000-0x0000000000DCA000-memory.dmpFilesize
9.8MB
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memory/1976-66-0x0000000000400000-0x0000000000DCA000-memory.dmpFilesize
9.8MB
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memory/1976-56-0x0000000074AB1000-0x0000000074AB3000-memory.dmpFilesize
8KB
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memory/1976-57-0x0000000000400000-0x0000000000DCA000-memory.dmpFilesize
9.8MB