mystic | 87d604200f8deb80a26f303362d4e9e337eebfeb4b0f56d551bfff65c925a19e

General

Target

79eba2fb3c3c2f85ea2df23b8fc84640N.exe
Size

358KB
MD5

79eba2fb3c3c2f85ea2df23b8fc84640
SHA1

f419c9c3376879c2040ac95791a88d740d919a9a
SHA256

87d604200f8deb80a26f303362d4e9e337eebfeb4b0f56d551bfff65c925a19e
SHA512

9b63648fdb187f04a2458fe738f12a8162fd9ca2076eeaaa828cc05d068be1f9751627a24737ad12190600d462e3af3c27c03b576db1ea8fe5f260209b895a61
SSDEEP

6144:f/NXR/bOEHHkwxOSeyCKrJz4AOoR8SnjaA+vzC1rKCWg8fi:HNX1aEHEw94mRHjozClv8fi

Score

10^/10

mystic discovery stealer

Malware Config

Signatures

Detect Mystic stealer payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2428-9-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/2428-5-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/2428-4-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/2428-3-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/2428-7-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/2428-11-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family

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

Processes:

79eba2fb3c3c2f85ea2df23b8fc84640N.exe

description pid process target process

PID 1984 set thread context of 2428 1984 79eba2fb3c3c2f85ea2df23b8fc84640N.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2944 2428 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 1984 set thread context of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe

pid	pid_target	process	target process
2944	2428	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:

79eba2fb3c3c2f85ea2df23b8fc84640N.exeAppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79eba2fb3c3c2f85ea2df23b8fc84640N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

79eba2fb3c3c2f85ea2df23b8fc84640N.exeAppLaunch.exe

description	pid	process	target process
PID 1984 wrote to memory of 2916	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2916	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2916	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2916	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2916	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2916	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2916	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2860	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2860	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2860	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2860	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2860	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2860	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2860	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 1984 wrote to memory of 2428	1984	79eba2fb3c3c2f85ea2df23b8fc84640N.exe	AppLaunch.exe
PID 2428 wrote to memory of 2944	2428	AppLaunch.exe	WerFault.exe
PID 2428 wrote to memory of 2944	2428	AppLaunch.exe	WerFault.exe
PID 2428 wrote to memory of 2944	2428	AppLaunch.exe	WerFault.exe
PID 2428 wrote to memory of 2944	2428	AppLaunch.exe	WerFault.exe
PID 2428 wrote to memory of 2944	2428	AppLaunch.exe	WerFault.exe
PID 2428 wrote to memory of 2944	2428	AppLaunch.exe	WerFault.exe
PID 2428 wrote to memory of 2944	2428	AppLaunch.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\79eba2fb3c3c2f85ea2df23b8fc84640N.exe
"C:\Users\Admin\AppData\Local\Temp\79eba2fb3c3c2f85ea2df23b8fc84640N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
PID:2916

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
PID:2860

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:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 196
3⤵
- Program crash
PID:2944

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

Loading Replay Monitor...

Downloads

memory/2428-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2428-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads