mystic | c35b2a353f3f737fd5d522bda8150c7fe11a4c4773ad1702d174b480462784c6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 17:26

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General

Target

7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe
Size

444KB
MD5

62cb5abe1a7a14a455b7bcbde88afee6
SHA1

5761fe51f10b934d99810fdd8d051f1a0b129aa8
SHA256

7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1
SHA512

59f36fd993e5ef000ac8c7bb8c87583a4d99385e8eec8438345c9b26c70ffcb050734c1770f4e6449370ab0a5ce5d77ac2cf42a52cfbf6751db261642c051ece
SSDEEP

12288:FMrLy90YUdatcF1R4XJp2QzCPL9ZZID6MSkLyTnLh:+yx8atcF1Ry2OcxZOXjen1

Score

10^/10

mystic redline lutyr infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

lutyr

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral12/memory/4036-7-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral12/memory/4036-11-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral12/memory/4036-9-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral12/memory/4036-8-0x0000000000400000-0x0000000000433000-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 2 IoCs

resource	yara_rule
behavioral12/files/0x000700000002349c-13.dat	family_redline
behavioral12/memory/2164-16-0x0000000000650000-0x000000000068E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
2008	1qZ73jS6.exe
2164	2Rs339xU.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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\\\""	7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2008 set thread context of 4036	2008	1qZ73jS6.exe	84

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2220	4036	WerFault.exe	84
3984	2008	WerFault.exe	83

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3236 wrote to memory of 2008	3236	7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe	83
PID 3236 wrote to memory of 2008	3236	7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe	83
PID 3236 wrote to memory of 2008	3236	7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe	83
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 2008 wrote to memory of 4036	2008	1qZ73jS6.exe	84
PID 3236 wrote to memory of 2164	3236	7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe	92
PID 3236 wrote to memory of 2164	3236	7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe	92
PID 3236 wrote to memory of 2164	3236	7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe	92

C:\Users\Admin\AppData\Local\Temp\7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe
"C:\Users\Admin\AppData\Local\Temp\7ce62a9574ca774ba9c6234c75799fd5cb2c153c6f1e40a65e1bea1a9c2219e1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1qZ73jS6.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1qZ73jS6.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:4036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 540
      4⤵
      Program crash
      PID:2220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 572
    3⤵
    - Program crash
    PID:3984
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Rs339xU.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Rs339xU.exe
  2⤵
  - Executes dropped EXE
  PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4036 -ip 4036
1⤵
PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2008 -ip 2008
1⤵
PID:4836

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\1qZ73jS6.exe

Filesize
423KB

MD5
52a15b134a85304b9b9c9649f422f5c8

SHA1
50de51dff4e84c9c139462c8841c93fa873bebd7

SHA256
97b259b771e15d73f8634f726cd5e2aea0a1c38d640742c00051f22319625ae1

SHA512
4ea2707da73c53869f0d4c302d0d59b74a7234bd9165804a1255e9aec217df4c7423e818dd780b93e28f8f6680ec766096782894ff7de436509b09ff61113b30

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Rs339xU.exe

Filesize
221KB

MD5
bdb5a55d75d1c68bf43fed27715e009c

SHA1
d206886dd0b6642c2264f999ceb07f6bd41fb62f

SHA256
72c660dad0f8e21c39c8b3401904e33c04d858ca262e807fde0bbe855814d813

SHA512
f6f6932daeb7784dea5beb50b9f7f9d0caa6b0a239d04bcefb574dd68f08c52b81a4639899b3a799c798a2335e5711963dfc2592bfa5adb6b430e38fc7300754

Download Submit
memory/2164-21-0x0000000008500000-0x0000000008B18000-memory.dmp

Filesize
6.1MB

Download
memory/2164-19-0x00000000049D0000-0x00000000049DA000-memory.dmp

Filesize
40KB

Download
memory/2164-27-0x00000000740B0000-0x0000000074860000-memory.dmp

Filesize
7.7MB

Download
memory/2164-26-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2164-15-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2164-16-0x0000000000650000-0x000000000068E000-memory.dmp

Filesize
248KB

Download
memory/2164-17-0x0000000007930000-0x0000000007ED4000-memory.dmp

Filesize
5.6MB

Download
memory/2164-18-0x0000000007460000-0x00000000074F2000-memory.dmp

Filesize
584KB

Download
memory/2164-20-0x00000000740B0000-0x0000000074860000-memory.dmp

Filesize
7.7MB

Download
memory/2164-25-0x00000000075B0000-0x00000000075FC000-memory.dmp

Filesize
304KB

Download
memory/2164-24-0x0000000007560000-0x000000000759C000-memory.dmp

Filesize
240KB

Download
memory/2164-23-0x0000000007500000-0x0000000007512000-memory.dmp

Filesize
72KB

Download
memory/2164-22-0x0000000007EE0000-0x0000000007FEA000-memory.dmp

Filesize
1.0MB

Download
memory/4036-7-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4036-9-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4036-11-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4036-8-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads