mystic | 4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770

Analysis

max time kernel
131s
max time network
138s
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, 22:05

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General

Target

4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe
Size

356KB
MD5

a909efc45b653f749a32b604fb69d1c4
SHA1

15a3377f579f9b87a598e37e6ae5adad4714a8aa
SHA256

4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770
SHA512

40483c3aabab72988429bcecc2d39ff179fa6383863fd3d43505357d6ab5f81a3f016fe52bd42f880ae1e042253e93360a0fd7379dea80819704745e4c7630e3
SSDEEP

6144:nETeW/s5GqrO5aXnfEGIXWPvZAOKy9c6dMQgLAEoKw7QaJVs0BC+:RmcGqrOk86xTRENSs0BC+

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/232-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/232-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/232-2-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/232-3-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/232-4-0x0000000000400000-0x0000000000428000-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 4164 set thread context of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3984	4164	WerFault.exe	81

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 1032	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	84
PID 4164 wrote to memory of 1032	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	84
PID 4164 wrote to memory of 1032	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	84
PID 4164 wrote to memory of 5004	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	85
PID 4164 wrote to memory of 5004	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	85
PID 4164 wrote to memory of 5004	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	85
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86
PID 4164 wrote to memory of 232	4164	4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe	86

C:\Users\Admin\AppData\Local\Temp\4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe
"C:\Users\Admin\AppData\Local\Temp\4565723e0c436a5663f3112dd476f3927ed264e844035c591ec42c2b5b33a770.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4164
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:1032
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:5004
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 276
  2⤵
  - Program crash
  PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4164 -ip 4164
1⤵
PID:1060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/232-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/232-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/232-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/232-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/232-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download