mystic | ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d

Analysis

max time kernel
149s
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 11:36

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General

Target

ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe
Size

346KB
MD5

0d4507df6c4f697f5c2e61dd574a55d3
SHA1

2644c9b8da6a26510d8d38c586834f223c374e15
SHA256

ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d
SHA512

f6e17885e5bd1b4fbca1827a0b189d0124c773d6443d2ce4a05601e0e6898b8822b22fef98bad85e34e45b75ddd798a80a3c20811867b5b7055f417776b0af9c
SSDEEP

6144:7NCTljS9PgGzqLHvw1t6mAOfd5pBgepdWq+R0z4viKC:7NgS9PgGimf5pBgIWH5iKC

Score

10^/10

mystic stealer

Malware Config

Extracted

Family

mystic

http://5.42.92.211/loghub/master

Signatures

Detect Mystic stealer payload 6 IoCs

resource	yara_rule
behavioral2/memory/1740-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1740-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1740-2-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1740-3-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1740-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1740-5-0x0000000000400000-0x0000000000428000-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 2812 set thread context of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4336	2812	WerFault.exe	84

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2052	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	87
PID 2812 wrote to memory of 2052	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	87
PID 2812 wrote to memory of 2052	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	87
PID 2812 wrote to memory of 1076	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	88
PID 2812 wrote to memory of 1076	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	88
PID 2812 wrote to memory of 1076	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	88
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89
PID 2812 wrote to memory of 1740	2812	ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe	89

C:\Users\Admin\AppData\Local\Temp\ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe
"C:\Users\Admin\AppData\Local\Temp\ecf879394639be2b544d62d7b904223c106cb07bf0c5dc87429282b52a0ba86d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:2052
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:1076
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:1740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 148
  2⤵
  - Program crash
  PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2812 -ip 2812
1⤵
PID:5092

Network

MITRE ATT&CK Matrix

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Downloads

memory/1740-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1740-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1740-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1740-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1740-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1740-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download