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Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2023, 20:26
Static task
static1
General
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Target
77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe
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Size
378KB
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MD5
b8cc7f181a4753e4688b5f734c3e6b1d
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SHA1
2e8a48c8c00b338dfc9e298a04712268751b5c55
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SHA256
77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b
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SHA512
d8019063c71cae8939f8e0ee9c9bdc0beb59a594de7506b38cfc650d25b6c389786a9f9b2db2adb48d5b7f26c703a10c672469dce05e544113130a691c4129f6
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SSDEEP
6144:TzCBCH557yGY/fjBximSLB5aAOki2+Bx80q+Fr0cItNj:TzRHr7yV3OW12TX+6j
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 behavioral1/memory/4836-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4276 set thread context of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 -
Program crash 1 IoCs
pid pid_target Process procid_target 4704 4276 WerFault.exe 85 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe"C:\Users\Admin\AppData\Local\Temp\77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4276 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:4836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 1522⤵
- Program crash
PID:4704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4276 -ip 42761⤵PID:5076