mystic | a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47d

Analysis

max time kernel
140s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2023 15:18

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General

Target

NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe
Size

1.4MB
MD5

221610ece0649f15926ff8c700894a4b
SHA1

f05152abf9de6bb2fe185ff69ff75ec10ea6b411
SHA256

a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47d
SHA512

8ef9223fef92373b356154495706685310c7ed32347788bf9829cc021e142b291639e505202ef280d559fc0f8e428120e719b879d355c524abb687c16c984e77
SSDEEP

12288:jaWs3sJwo00rnuOVD9X6a9DhvhNf9H/7Fc0Y6Diiebj:jmsJw8T6a9DhvhnziOBe

Score

10^/10

mystic stealer

Malware Config

Extracted

Family

mystic

http://5.42.92.211/loghub/master

Signatures

Detect Mystic stealer payload 5 IoCs

resource	yara_rule
behavioral2/memory/4940-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4940-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4940-2-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4940-3-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4940-4-0x0000000000400000-0x0000000000428000-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 3416 set thread context of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1784	3416	WerFault.exe	81

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 3468	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	84
PID 3416 wrote to memory of 3468	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	84
PID 3416 wrote to memory of 3468	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	84
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85
PID 3416 wrote to memory of 4940	3416	NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.a23409f579deb1d68ab914ea800df4a80cfded68e12c9205b9d6f3234c26b47dexe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:3468
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:4940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 416
  2⤵
  - Program crash
  PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3416 -ip 3416
1⤵
PID:1520

Network

MITRE ATT&CK Matrix

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Downloads

memory/4940-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4940-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4940-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4940-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4940-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download