Analysis
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max time kernel
118s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
08-08-2023 17:34
Behavioral task
behavioral1
Sample
9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe
Resource
win7-20230712-en
General
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Target
9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe
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Size
439KB
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MD5
2f771f0658e16ea07035928188e7f6e9
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SHA1
a8688f20e5e33b3e63d188f9cc36ffbe8756b026
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SHA256
9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926
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SHA512
18a8dae4ac05fd4762b9cb06c7b43ec3bdd1ffd4fbc65769c831fd788d1202f57bc04a9ca1d56692269ed32f661bfb4ac51dc1a8aecf0ed6d328c83002001704
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SSDEEP
3072:a1ye7+hTz5pO7+lgtC6fz80CEZjSlvbx52KMJGJtMNkPU:ageGTdY6loC6f4/lTx52KcGJtSn
Malware Config
Signatures
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Matiex Main payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3404-134-0x00000000003A0000-0x0000000000414000-memory.dmp family_matiex -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 15 checkip.dyndns.org 17 freegeoip.app 18 freegeoip.app -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4820 3404 WerFault.exe 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exepid process 3404 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe 3404 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe 3404 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe 3404 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe 3404 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe 3404 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exedescription pid process Token: SeDebugPrivilege 3404 9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\9d96a7f4d13ee5d4fe74dace7787d6573111eb1104239f2cfbca79810d309926exe_JC.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 22082⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3404 -ip 34041⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3404-133-0x0000000074510000-0x0000000074CC0000-memory.dmpFilesize
7.7MB
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memory/3404-134-0x00000000003A0000-0x0000000000414000-memory.dmpFilesize
464KB
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memory/3404-135-0x0000000004DC0000-0x0000000004E5C000-memory.dmpFilesize
624KB
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memory/3404-136-0x0000000005460000-0x0000000005A04000-memory.dmpFilesize
5.6MB
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memory/3404-137-0x0000000004F50000-0x0000000004FE2000-memory.dmpFilesize
584KB
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memory/3404-138-0x0000000007900000-0x0000000007966000-memory.dmpFilesize
408KB
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memory/3404-139-0x0000000005190000-0x00000000051A0000-memory.dmpFilesize
64KB
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memory/3404-140-0x0000000008900000-0x0000000008AC2000-memory.dmpFilesize
1.8MB
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memory/3404-141-0x0000000074510000-0x0000000074CC0000-memory.dmpFilesize
7.7MB