Analysis
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max time kernel
172s -
max time network
175s -
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, 06:48
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
-
Size
356KB
-
MD5
563ea0b001de039977dda41650318bf8
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SHA1
960334e5824882b27a5e3e73ae703b4de2ed0e02
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SHA256
885d6abe4ce4819b6ae96807220378f5b48496df0c2908e1965340465d77f77c
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SHA512
31e71d1e1105a171aa5a24297f686a2265c748b0391a0878bb8e6fdb7a6ae4d982725539455470db35a5669dacf33ce75ee40e07bb255767d75b6479446ae1e9
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SSDEEP
6144:diTeW/s5GqrO5aXnfEGIXWPvZAOPydefHB1fjcSVPx6t6mv6BCBD4FVs0BC+:RmcGqrOk86xJfHBVjPPx6t6mA0Ss0BC+
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/4144-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4144-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4144-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4144-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4144-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2076 set thread context of 4144 2076 file.exe 88 -
Program crash 1 IoCs
pid pid_target Process procid_target 1260 2076 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88 PID 2076 wrote to memory of 4144 2076 file.exe 88
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:2076 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:4144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1482⤵
- Program crash
PID:1260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2076 -ip 20761⤵PID:1152