Analysis
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max time kernel
64s -
max time network
71s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
25-07-2022 03:15
Static task
static1
Behavioral task
behavioral1
Sample
5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
Resource
win10v2004-20220721-en
General
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Target
5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
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Size
185KB
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MD5
b992fd6d5f64095b910fa3e31560f978
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SHA1
e238be6bb0f7fbe9cf8accf9eb0e7d90c495310a
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SHA256
5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9
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SHA512
904caf88267da71381d5ca2cc8130d52c0bbf7652892f78157a1573d2e24b70e6673625effa346994653d5129c5a3297034f2532815bf84d639e9e51c81c2a14
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe -
suricata: ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin
suricata: ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin
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Processes:
resource yara_rule behavioral1/memory/1072-57-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/1328-59-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/516-64-0x0000000000400000-0x000000000046C000-memory.dmp upx -
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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Suspicious use of WriteProcessMemory 8 IoCs
Processes:
5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exedescription pid process target process PID 1072 wrote to memory of 1328 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe PID 1072 wrote to memory of 1328 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe PID 1072 wrote to memory of 1328 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe PID 1072 wrote to memory of 1328 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe PID 1072 wrote to memory of 516 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe PID 1072 wrote to memory of 516 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe PID 1072 wrote to memory of 516 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe PID 1072 wrote to memory of 516 1072 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe 5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe"C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exeC:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft2⤵
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C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exeC:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/516-61-0x0000000000000000-mapping.dmp
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memory/516-64-0x0000000000400000-0x000000000046C000-memory.dmpFilesize
432KB
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memory/516-65-0x0000000000566000-0x0000000000582000-memory.dmpFilesize
112KB
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memory/1072-54-0x0000000075C51000-0x0000000075C53000-memory.dmpFilesize
8KB
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memory/1072-57-0x0000000000400000-0x000000000046C000-memory.dmpFilesize
432KB
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memory/1072-58-0x00000000005F6000-0x0000000000612000-memory.dmpFilesize
112KB
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memory/1072-62-0x00000000005F6000-0x0000000000612000-memory.dmpFilesize
112KB
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memory/1328-55-0x0000000000000000-mapping.dmp
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memory/1328-59-0x0000000000400000-0x000000000046C000-memory.dmpFilesize
432KB
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memory/1328-60-0x0000000000536000-0x0000000000552000-memory.dmpFilesize
112KB