Analysis
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max time kernel
187s -
max time network
255s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
13-11-2023 09:42
Static task
static1
Behavioral task
behavioral1
Sample
2Zi3137.exe
Resource
win7-20231023-en
windows7-x64
5 signatures
300 seconds
General
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Target
2Zi3137.exe
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Size
310KB
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MD5
8adb35df3d3ea9e825d281829a49a9e5
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SHA1
46b5a226fdb2babaebcc4cb3b5b32e42eeac1fc7
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SHA256
7484942af62052160831eede4d58fadf0f28cf02afb140e605430bd63c232f6a
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SHA512
242311ec3182a6543420c2b6c00f7f5acdb8ec3f9f465d907e32b620091565af77c8e900f8f34d340afdfe086493bcae3ba18fc4666fe2aa42c0d3f2165923b7
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SSDEEP
6144:ARJ4eu5tKY79Pq1JFXJhQpeXU7CUbYLrnEzDDyh9NzL:ARJ4eV1JFXJ+geCUbYvEznyh9Nv
Malware Config
Extracted
Family
mystic
C2
http://5.42.92.43/loghub/master
Signatures
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Detect Mystic stealer payload 5 IoCs
resource yara_rule behavioral2/memory/1200-0-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral2/memory/1200-3-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral2/memory/1200-4-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral2/memory/1200-5-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral2/memory/1200-6-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1268 set thread context of 1200 1268 2Zi3137.exe 72 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72 PID 1268 wrote to memory of 1200 1268 2Zi3137.exe 72
Processes
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C:\Users\Admin\AppData\Local\Temp\2Zi3137.exe"C:\Users\Admin\AppData\Local\Temp\2Zi3137.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:1200
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