mystic | 723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3

General

Target

723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe
Size

1.1MB
MD5

fffccc1b0b9322a47952dfa0f2dbe2f0
SHA1

b4bab87cef936f3207a570ac794345b7ead36670
SHA256

723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3
SHA512

cf1f6f1fe69e16ca3ab5d179b2125663eb8417cee1fcc6148465ecdf9df7c7af1a9a545c997b96500ddd2b46d3178f0024546a3132ab8d3f78a71028f3e1f1d2
SSDEEP

24576:BG2dAfzwZa5uHxaLml0VpWRH9/scSjrW+6:2wZa5uHV0yhscyrW

Score

10^/10

Malware Config

Signatures

Detect Mystic stealer payload 6 IoCs

resource	yara_rule
behavioral1/memory/2552-9-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2552-7-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2552-5-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2552-4-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2552-3-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2552-11-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2616	2552	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2656 wrote to memory of 2552	2656	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	28
PID 2552 wrote to memory of 2616	2552	AppLaunch.exe	29
PID 2552 wrote to memory of 2616	2552	AppLaunch.exe	29
PID 2552 wrote to memory of 2616	2552	AppLaunch.exe	29
PID 2552 wrote to memory of 2616	2552	AppLaunch.exe	29
PID 2552 wrote to memory of 2616	2552	AppLaunch.exe	29
PID 2552 wrote to memory of 2616	2552	AppLaunch.exe	29
PID 2552 wrote to memory of 2616	2552	AppLaunch.exe	29

C:\Users\Admin\AppData\Local\Temp\723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe
"C:\Users\Admin\AppData\Local\Temp\723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 196
    3⤵
    - Program crash
    PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2552-1-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-9-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-7-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-5-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-4-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-3-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-2-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2552-11-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

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