mystic | 0dbc220cdd1e829db342525158a1402fead21f8931411b41235ec083ce56ab50

Analysis

max time kernel
101s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 18:36

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General

Target

123d187ccb46d1d8e892e9e9be0b9b60N.exe
Size

1.8MB
MD5

123d187ccb46d1d8e892e9e9be0b9b60
SHA1

82c5bb0f78a641c3bbf4b0bbda279a29d6468969
SHA256

0dbc220cdd1e829db342525158a1402fead21f8931411b41235ec083ce56ab50
SHA512

04cee82c24856c20ce6ade46dd2d14134dd8a1bbdcff4f10ab09233fa4768dae1a0fd19b285e3fd38520a4a6f49f0d34f6aebb1e0b4df46d62449619e38f315d
SSDEEP

24576:iGAfSfS8a1TD3EvdxE6a9DhvhgkwDWVlct0q76I:iIS8a1TAdW6a3vQWItp6

Score

10^/10

mystic discovery stealer

Malware Config

Signatures

Detect Mystic stealer payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3056-2-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral2/memory/3056-3-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral2/memory/3056-1-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral2/memory/3056-0-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral2/memory/3056-4-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family

Mystic
Mystic is an infostealer written in C++.
stealer mystic
Suspicious use of SetThreadContext 1 IoCs

Processes:

123d187ccb46d1d8e892e9e9be0b9b60N.exe

description pid process target process

PID 4488 set thread context of 3056 4488 123d187ccb46d1d8e892e9e9be0b9b60N.exe AppLaunch.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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:

123d187ccb46d1d8e892e9e9be0b9b60N.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 123d187ccb46d1d8e892e9e9be0b9b60N.exe

description	pid	process	target process
PID 4488 set thread context of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	123d187ccb46d1d8e892e9e9be0b9b60N.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

123d187ccb46d1d8e892e9e9be0b9b60N.exe

description	pid	process	target process
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe
PID 4488 wrote to memory of 3056	4488	123d187ccb46d1d8e892e9e9be0b9b60N.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\123d187ccb46d1d8e892e9e9be0b9b60N.exe
"C:\Users\Admin\AppData\Local\Temp\123d187ccb46d1d8e892e9e9be0b9b60N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3056-2-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3056-3-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3056-1-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3056-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3056-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download