Analysis
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max time kernel
142s -
max time network
148s -
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, 07:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
5 signatures
150 seconds
General
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Target
file.exe
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Size
1016KB
-
MD5
7f41d7c25defc702f623a532221c41db
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SHA1
94e76ae239f4d84e4e160d78fbc1702e19ea441f
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SHA256
b99f055737f6952f961363a9e766b5f6b3ec6e5fb12195d5d67e9dec63e22e28
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SHA512
5954ea1e5983053ecf0acd63259ca1a1d06ca0cfc52de2517994e9bf8a48ce79f9b30cc7be4dd5d15f1ec66da088f06ef0e266f09f3f5903f9871cae8f47e082
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SSDEEP
24576:KSuYDKzcx9jkmPe/knxyD2rhLpEzGGq0dfDonBEUJVp9:Khcx9jkmPBxe2VVEzdq0dfDonBEUJV
Malware Config
Extracted
Family
mystic
C2
http://5.42.92.211/loghub/master
Signatures
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Detect Mystic stealer payload 5 IoCs
resource yara_rule behavioral2/memory/1760-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/1760-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/1760-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/1760-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/1760-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4600 set thread context of 1760 4600 file.exe 87 -
Program crash 1 IoCs
pid pid_target Process procid_target 4352 4600 WerFault.exe 83 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87 PID 4600 wrote to memory of 1760 4600 file.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:1760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 1522⤵
- Program crash
PID:4352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4600 -ip 46001⤵PID:3980