Analysis
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max time kernel
138s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
26-10-2023 14:45
Static task
static1
Behavioral task
behavioral1
Sample
zh.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
zh.exe
Resource
win10v2004-20231023-en
General
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Target
zh.exe
-
Size
506KB
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MD5
32cf76b724da3f478dfa34fca9b10fbe
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SHA1
5cdaedb0ba81498bbb297b21b03a8a8f02bbd536
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SHA256
39848b0cc74b6e0f308d99916f8cf8edcb83b5979a028b2891094b1ae07de58e
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SHA512
b7f993b868c14d08e30dc4ccd29130c24c5a2d392bd85243c43013dbca0893373a7b3b5646de54b62969749b977ac31838e83eb5f746137089553851630f4160
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SSDEEP
6144:/e5ETe5Rhyk6JBYIchAko6TtMO+QohfIndEN+8e9Ea88VhwhFtAdkP/uCUYR8B/t:W5kwRkk6buhRTQQo31e8rhvxWhFWg
Malware Config
Extracted
cobaltstrike
100000
http://cins.hin7lostvas.pro:2083/groupcp.css
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access_type
512
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beacon_type
2048
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host
cins.hin7lostvas.pro,/groupcp.css
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http_header1
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http_header2
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http_method1
GET
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http_method2
POST
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jitter
9472
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polling_time
56539
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port_number
2083
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sc_process32
%windir%\syswow64\runonce.exe
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sc_process64
%windir%\sysnative\runonce.exe
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state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDDohWpPN9dK5Iaq3j5MARwhwXxMD+LZJY92SEg755tH3cbGJDwjAjae+Cq14PUO5w33EpPbdmLoEfwZmXv2Zz/AYj0O8mNmRw35sEPhPXGKj1Snqz4qS1EVBYgJOSMLEUCg7LBwHQtvsGnoZjszjkVqf9Hi9INcnBF8qLyh4JrKQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
2.17567488e+09
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unknown2
AAAABAAAAAIAAAPVAAAAAwAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/kj
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/601.3.9 (KHTML, like Gecko) Version/9.0.2 Safari/601.3.9
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watermark
100000
Signatures
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Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
zh.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation zh.exe -
Executes dropped EXE 1 IoCs
Processes:
AggregatorHost.exepid process 2840 AggregatorHost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
AggregatorHost.exepid process 2840 AggregatorHost.exe 2840 AggregatorHost.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
zh.exedescription pid process target process PID 1860 wrote to memory of 2840 1860 zh.exe AggregatorHost.exe PID 1860 wrote to memory of 2840 1860 zh.exe AggregatorHost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\zh.exe"C:\Users\Admin\AppData\Local\Temp\zh.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Documents\AggregatorHost.exe"C:\Users\Public\Documents\AggregatorHost.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\Documents\AggregatorHost.exeFilesize
506KB
MD532cf76b724da3f478dfa34fca9b10fbe
SHA15cdaedb0ba81498bbb297b21b03a8a8f02bbd536
SHA25639848b0cc74b6e0f308d99916f8cf8edcb83b5979a028b2891094b1ae07de58e
SHA512b7f993b868c14d08e30dc4ccd29130c24c5a2d392bd85243c43013dbca0893373a7b3b5646de54b62969749b977ac31838e83eb5f746137089553851630f4160
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C:\Users\Public\Documents\AggregatorHost.exeFilesize
506KB
MD532cf76b724da3f478dfa34fca9b10fbe
SHA15cdaedb0ba81498bbb297b21b03a8a8f02bbd536
SHA25639848b0cc74b6e0f308d99916f8cf8edcb83b5979a028b2891094b1ae07de58e
SHA512b7f993b868c14d08e30dc4ccd29130c24c5a2d392bd85243c43013dbca0893373a7b3b5646de54b62969749b977ac31838e83eb5f746137089553851630f4160
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C:\Users\Public\Documents\AggregatorHost.exeFilesize
506KB
MD532cf76b724da3f478dfa34fca9b10fbe
SHA15cdaedb0ba81498bbb297b21b03a8a8f02bbd536
SHA25639848b0cc74b6e0f308d99916f8cf8edcb83b5979a028b2891094b1ae07de58e
SHA512b7f993b868c14d08e30dc4ccd29130c24c5a2d392bd85243c43013dbca0893373a7b3b5646de54b62969749b977ac31838e83eb5f746137089553851630f4160
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memory/2840-9-0x000002AB6A050000-0x000002AB6A0D7000-memory.dmpFilesize
540KB
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memory/2840-10-0x000002AB69850000-0x000002AB6A050000-memory.dmpFilesize
8.0MB
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memory/2840-11-0x000002AB69850000-0x000002AB6A050000-memory.dmpFilesize
8.0MB