mystic | ffe8fa0cf1ed446eeb9dc6eef440d6e2121396f13b66e26a431adcd9f2d605e3

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 19:03

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General

Target

cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe
Size

389KB
MD5

eb246738bb8993185b4d383c62b85abd
SHA1

adee718865a8a9b9fe267ee2e242913fa3b081ce
SHA256

cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1
SHA512

6e485f06c842c90d47f8e5e4bcbaeabc0ce18b7b90d104337db6a8b1a8d9b4def54926d695cdde79b997eb80bea6142cb60035ca9b70f9716aec5f9e583d1ca7
SSDEEP

12288:XMr3y90LFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7F3:AyOFeSDM3YRz2WuHUSooI043q3

Score

10^/10

mystic redline taiga infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

taiga

5.42.92.51:19057

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral21/memory/1968-7-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral21/memory/1968-9-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral21/memory/1968-8-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral21/memory/1968-11-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family

Mystic
Mystic is an infostealer written in C++.
stealer mystic
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 1 IoCs

Processes:

resource	yara_rule
behavioral21/memory/5004-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

3Ka386ZD.exe4nt8Aq3.exe

pid process

2808 3Ka386ZD.exe
2488 4nt8Aq3.exe

pid	process
2808	3Ka386ZD.exe
2488	4nt8Aq3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

3Ka386ZD.exe4nt8Aq3.exe

description	pid	process	target process
PID 2808 set thread context of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2488 set thread context of 5004	2488	4nt8Aq3.exe	AppLaunch.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4984 1968 WerFault.exe AppLaunch.exe

pid	pid_target	process	target process
4984	1968	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe3Ka386ZD.exe4nt8Aq3.exe

description	pid	process	target process
PID 1940 wrote to memory of 2808	1940	cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe	3Ka386ZD.exe
PID 1940 wrote to memory of 2808	1940	cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe	3Ka386ZD.exe
PID 1940 wrote to memory of 2808	1940	cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe	3Ka386ZD.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 2808 wrote to memory of 1968	2808	3Ka386ZD.exe	AppLaunch.exe
PID 1940 wrote to memory of 2488	1940	cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe	4nt8Aq3.exe
PID 1940 wrote to memory of 2488	1940	cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe	4nt8Aq3.exe
PID 1940 wrote to memory of 2488	1940	cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe	4nt8Aq3.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe
PID 2488 wrote to memory of 5004	2488	4nt8Aq3.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe
"C:\Users\Admin\AppData\Local\Temp\cecc5213e25a8a2dfe40b0f517d513ce319f2cdf28bcc26df3130a53a46d79a1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1940

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Ka386ZD.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Ka386ZD.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2808

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 540
4⤵
- Program crash
PID:4984

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4nt8Aq3.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4nt8Aq3.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1968 -ip 1968
1⤵
PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Ka386ZD.exe

Filesize
300KB

MD5
784667bb96ccb30c4cf44f2c5f493769

SHA1
28185165ab4dbbb4a139ae1af0bb6934ebe05c04

SHA256
1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

SHA512
62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4nt8Aq3.exe

Filesize
339KB

MD5
14d9834611ad581afcfea061652ff6cb

SHA1
802f964d0be7858eb2f1e7c6fcda03501fd1b71c

SHA256
e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

SHA512
cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

Download Submit
memory/1968-7-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1968-9-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1968-8-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1968-11-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5004-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5004-16-0x0000000008310000-0x00000000088B4000-memory.dmp

Filesize
5.6MB

Download
memory/5004-17-0x0000000007E00000-0x0000000007E92000-memory.dmp

Filesize
584KB

Download
memory/5004-18-0x0000000003390000-0x000000000339A000-memory.dmp

Filesize
40KB

Download
memory/5004-19-0x0000000008EE0000-0x00000000094F8000-memory.dmp

Filesize
6.1MB

Download
memory/5004-20-0x00000000081C0000-0x00000000082CA000-memory.dmp

Filesize
1.0MB

Download
memory/5004-21-0x0000000007FF0000-0x0000000008002000-memory.dmp

Filesize
72KB

Download
memory/5004-22-0x0000000008070000-0x00000000080AC000-memory.dmp

Filesize
240KB

Download
memory/5004-23-0x00000000080B0000-0x00000000080FC000-memory.dmp

Filesize
304KB

Download