Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 19:52
Static task
static1
Behavioral task
behavioral1
Sample
2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe
Resource
win7-20230831-en
windows7-x64
5 signatures
150 seconds
General
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Target
2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe
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Size
364KB
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MD5
b64d859f26e4ab6e619ec7d698d11e0b
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SHA1
23ffa1ac59a6972aead26b41ccec91bee5539f77
-
SHA256
2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac
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SHA512
5b1307d13e564a7e24f9177b7af6d47677aff0578a1dd0496888b9ed4f8c3f513f44008c0740969e6f11322718dd7e6420912082e866d185027b04bdee203934
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SSDEEP
6144:kNXAxlt3fuPgyxhV5dAOLHVJBcGJGgw0dmlIhpo8oPGCH:kuxltWThl7GB0dlpEGCH
Malware Config
Extracted
Family
mystic
C2
http://5.42.92.211/loghub/master
Signatures
-
Detect Mystic stealer payload 5 IoCs
resource yara_rule behavioral2/memory/2212-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/2212-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/2212-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/2212-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/2212-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4640 set thread context of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 -
Program crash 1 IoCs
pid pid_target Process procid_target 4544 4640 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84 PID 4640 wrote to memory of 2212 4640 2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe"C:\Users\Admin\AppData\Local\Temp\2cfa8336225b21c1ceaff9d306ba452602b931a22588f40316c55690f2c04eac.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:2212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 2722⤵
- Program crash
PID:4544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4640 -ip 46401⤵PID:3752