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

mystic discovery stealer

Malware Config

Signatures

Detect Mystic stealer payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2880-7-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2880-5-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2880-4-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2880-3-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2880-9-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral1/memory/2880-11-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe

description	pid	process	target process
PID 1800 set thread context of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2400 2880 WerFault.exe AppLaunch.exe

pid	pid_target	process	target process
2400	2880	WerFault.exe	AppLaunch.exe

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

Processes:

723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exeAppLaunch.exe

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

Processes:

723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exeAppLaunch.exe

description	pid	process	target process
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 1800 wrote to memory of 2880	1800	723fdb7b0da63a136dac6c3c9585fd1c8f9410361cd43a23e25efdd8fc1870d3N.exe	AppLaunch.exe
PID 2880 wrote to memory of 2400	2880	AppLaunch.exe	WerFault.exe
PID 2880 wrote to memory of 2400	2880	AppLaunch.exe	WerFault.exe
PID 2880 wrote to memory of 2400	2880	AppLaunch.exe	WerFault.exe
PID 2880 wrote to memory of 2400	2880	AppLaunch.exe	WerFault.exe
PID 2880 wrote to memory of 2400	2880	AppLaunch.exe	WerFault.exe
PID 2880 wrote to memory of 2400	2880	AppLaunch.exe	WerFault.exe
PID 2880 wrote to memory of 2400	2880	AppLaunch.exe	WerFault.exe

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:1800

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:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 196
3⤵
- Program crash
PID:2400

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

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Downloads

memory/2880-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-7-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-5-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-4-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-3-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-2-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-1-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-9-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2880-11-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads