Analysis
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max time kernel
139s -
max time network
153s -
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, 20:26
Static task
static1
Behavioral task
behavioral1
Sample
g1922773.exe
Resource
win7-20230831-en
5 signatures
150 seconds
General
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Target
g1922773.exe
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Size
380KB
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MD5
db379c6dc105efb8e9cab0ce9dbcabcb
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SHA1
2db15ba397d4446ab10f3e2c10f40b392c7102d3
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SHA256
4379dad75ad2b90064e521210188148237a4cbf61b24b8b0ee75e11fe27fadec
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SHA512
816b979881dc2e1cf4940b88d75a4705fa69b905f99562dba97e5b96a7909b6548d958ce20d71779d15d5d31d2903c46cf07decfa46819ce63cd44bfa0c1d0f1
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SSDEEP
6144:0lPchHX110KwTVSf3pOCq5b6uAOQ5Q33LoEKTNoUcFqwm:0lPi3110dVaUcu6+kRWowm
Malware Config
Extracted
Family
mystic
C2
http://5.42.92.211/loghub/master
Signatures
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Detect Mystic stealer payload 6 IoCs
resource yara_rule behavioral2/memory/4948-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4948-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4948-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4948-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4948-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4948-5-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3276 set thread context of 4948 3276 g1922773.exe 87 -
Program crash 1 IoCs
pid pid_target Process procid_target 3212 3276 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 3276 wrote to memory of 2116 3276 g1922773.exe 86 PID 3276 wrote to memory of 2116 3276 g1922773.exe 86 PID 3276 wrote to memory of 2116 3276 g1922773.exe 86 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87 PID 3276 wrote to memory of 4948 3276 g1922773.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\g1922773.exe"C:\Users\Admin\AppData\Local\Temp\g1922773.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:2116
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:4948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 2682⤵
- Program crash
PID:3212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3276 -ip 32761⤵PID:1120