mystic | 21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8

Analysis

max time kernel
151s
max time network
176s
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, 21:37

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General

Target

21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe
Size

276KB
MD5

7a8fb035790633a8ae8894441fbe8775
SHA1

b7b316bf93045e82e8755c3b819f49c8fa44ba9c
SHA256

21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8
SHA512

780cae83aad071492b817043f2d43d369633f34413d782146480eeeaae05933cdebae89a31867d3ec6185fbc7a9b24f70a6814835c2ac4b42c21a16636ae1bda
SSDEEP

3072:WhVUoyoyi7Re9jWW4Vu6106vOiIPMoCT7NxH/F3EPVYtoz6HyWzybWMQMlB2mlIZ:Whe/KajWpVP06ffH/FEpWz2hIvPpTrj

Score

10^/10

mystic stealer

Malware Config

Extracted

Family

mystic

http://5.42.92.211/loghub/master

Signatures

Detect Mystic stealer payload 5 IoCs

resource	yara_rule
behavioral2/memory/3848-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/3848-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/3848-2-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/3848-3-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/3848-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic

Mystic
Mystic is an infostealer written in C++.
stealer mystic

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4120 set thread context of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2348	4120	WerFault.exe	84

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 1300	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	87
PID 4120 wrote to memory of 1300	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	87
PID 4120 wrote to memory of 1300	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	87
PID 4120 wrote to memory of 2196	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	88
PID 4120 wrote to memory of 2196	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	88
PID 4120 wrote to memory of 2196	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	88
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89
PID 4120 wrote to memory of 3848	4120	21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe	89

C:\Users\Admin\AppData\Local\Temp\21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe
"C:\Users\Admin\AppData\Local\Temp\21df3450742709214c8f330f87956d5e871816eb9cdbcf503c49786651c4d6b8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:1300
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:2196
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:3848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 288
  2⤵
  - Program crash
  PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4120 -ip 4120
1⤵
PID:4664

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3848-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3848-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3848-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3848-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3848-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download