Analysis
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max time kernel
151s -
max time network
158s -
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, 09:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe
Resource
win7-20230831-en
5 signatures
150 seconds
General
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Target
bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe
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Size
350KB
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MD5
9a089689770727d193419efea63cbd6a
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SHA1
6ae9008575e944adfc5aca2ae93e6bb934344083
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SHA256
bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc
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SHA512
dea676a023c71660948bede9f8543dc002b415428e9b91d15fbf55c637cd0b8a3070b43e7aa87b17ef1aa0f9f082dc404c1f67838a8be7fd8dc47f42ca35cfaf
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SSDEEP
6144:vt/LsrNJmc30jXud9b7zAOFp70n6L/9cWxk3PCHaUoG+iLGvIaJF4S:vSxJm+bzvpwn6L/eWQlGSjF4S
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/3472-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3472-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3472-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3472-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3472-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1856 set thread context of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 -
Program crash 1 IoCs
pid pid_target Process procid_target 3608 1856 WerFault.exe 83 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86 PID 1856 wrote to memory of 3472 1856 bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe"C:\Users\Admin\AppData\Local\Temp\bf0f686c2368da79a97a0e5f725b5c7f299aae657cc037f73c3e86e2f38524dc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:3472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 2962⤵
- Program crash
PID:3608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1856 -ip 18561⤵PID:4528