Analysis
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max time kernel
140s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 22:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe
Resource
win7-20230831-en
5 signatures
150 seconds
General
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Target
87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe
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Size
356KB
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MD5
7a6984c0552c95df56cc9c32a44f6907
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SHA1
e0f6cfcf2c7d4085f663bcc216141a1ca331da22
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SHA256
87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0
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SHA512
c49c8dcd82ed8281dcd8e7bc62b6ceb9d3a4611c74f7496a35f65ec52a8b5d64f426a69f1609b5fc3be698398e3fce54873de24c9915583baeb17a079e81a787
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SSDEEP
6144:ms3W8/s5GqrO5aXnfEGIXWMvZAO90rWB+xdpAD7zLlW4TMkOes0BC+:S8cGqrOk8JxxDYxes0BC+
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/4268-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4268-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4268-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4268-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/4268-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4484 set thread context of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 -
Program crash 1 IoCs
pid pid_target Process procid_target 1368 4484 WerFault.exe 18 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84 PID 4484 wrote to memory of 4268 4484 87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe"C:\Users\Admin\AppData\Local\Temp\87e2d235b056ba123364327df35f32fe5d2ea3b71a4084e831b759401c6866e0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:4268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 2602⤵
- Program crash
PID:1368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4484 -ip 44841⤵PID:4808