mystic | 3cc30911c3eb32deaf5fb8bc4dfe2ca6abbafa106ab4c16e8ff25a715c1fe7e7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 08:34

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General

Target

80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7.exe
Size

825KB
MD5

400ee7963deca8fb4b658dea29bac901
SHA1

f50fbbac4ee390ba843902f113d878ae566e0d3c
SHA256

80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7
SHA512

4b0279621e180bbaa57368e9298d1e9450b78927432020b314764de367b9747fd0b99cd636ef1d25177d54f50d190f89436ef1b29b9a8a3bbacefe220c9982ad
SSDEEP

24576:dyqpCSjfWexX/E0LoGYRV8lhQkQBJLZ/:4o9jf3vE3RV8QtB

Score

10^/10

mystic redline gigant infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gigant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral10/memory/2216-14-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/2216-15-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/2216-16-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/2216-18-0x0000000000400000-0x0000000000428000-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
behavioral10/files/0x000700000002340d-20.dat	family_redline
behavioral10/memory/4308-22-0x0000000000AF0000-0x0000000000B2E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4560	un7lF8hr.exe
1804	1LL43Kz3.exe
4308	2HL818Vs.exe

Adds Run key to start application 2 TTPs 2 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\\\""	80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	un7lF8hr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1804 set thread context of 2216	1804	1LL43Kz3.exe	85

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3020	1804	WerFault.exe	83
3076	2216	WerFault.exe	85

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 4560	4548	80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7.exe	82
PID 4548 wrote to memory of 4560	4548	80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7.exe	82
PID 4548 wrote to memory of 4560	4548	80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7.exe	82
PID 4560 wrote to memory of 1804	4560	un7lF8hr.exe	83
PID 4560 wrote to memory of 1804	4560	un7lF8hr.exe	83
PID 4560 wrote to memory of 1804	4560	un7lF8hr.exe	83
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 1804 wrote to memory of 2216	1804	1LL43Kz3.exe	85
PID 4560 wrote to memory of 4308	4560	un7lF8hr.exe	93
PID 4560 wrote to memory of 4308	4560	un7lF8hr.exe	93
PID 4560 wrote to memory of 4308	4560	un7lF8hr.exe	93

C:\Users\Admin\AppData\Local\Temp\80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7.exe
"C:\Users\Admin\AppData\Local\Temp\80a8dab5792d1a02e87ec84b22f15eb4bbac6d7635c605250fb1379296e8ccf7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un7lF8hr.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un7lF8hr.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4560
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LL43Kz3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LL43Kz3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2216
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 540
        5⤵
        Program crash
        
        PID:3076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 572
      4⤵
      Program crash
      PID:3020
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2HL818Vs.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2HL818Vs.exe
    3⤵
    - Executes dropped EXE
    PID:4308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2216 -ip 2216
1⤵
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1804 -ip 1804
1⤵
PID:3144

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\un7lF8hr.exe

Filesize
652KB

MD5
b99f2e73439a4ec65647c228d7122717

SHA1
2000a6089b4baadcaedef63c4f23dba8380a606a

SHA256
329797f0a97c2c11fe8762cb09dee1bdaa992bd47d79471491003cead0dcb759

SHA512
ec37dbf7121c4ded7b361914653a7771c7c5442b8a1faec33b84d3315288f7a1c39b988c18e4b46a9500adef0e01b0b320b70d2058fd6d7b764059e43ea60965

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LL43Kz3.exe

Filesize
1.8MB

MD5
a92a0379fe70894c79781be99516a5a7

SHA1
06704ecffa55ebf70612a0679a56e644751c7111

SHA256
56acba6b49caf9723add50c8381b2775fafc8cf11efd2f71e839304f5c024cf6

SHA512
67c7ffc7803b7488ee1e37b9541d4e298f0af1bd14b38a50495aecdfd2c8235dae0159c2f2d3514aa289675b1c628242a0bafbe4f1f53adc389d23e2e1547ad1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2HL818Vs.exe

Filesize
230KB

MD5
9a783c517952e0da6c46849de6e03c24

SHA1
a550d37ec32cb91d631ee98a0896f2bc9f845ee4

SHA256
8ed95ccb82a8105ca0acf38f7a49c05c99d54803af68437f6073dadcb9e63a2d

SHA512
26957f5a3da75cf21237b2ef66ed3484dde2c40fb16454338c8b3892256b1100a9b56ee321acce5c397b03de0445e82f32295f4a3060cca350320a2a7975a659

Download Submit
memory/2216-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2216-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2216-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2216-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4308-23-0x0000000007DA0000-0x0000000008344000-memory.dmp

Filesize
5.6MB

Download
memory/4308-22-0x0000000000AF0000-0x0000000000B2E000-memory.dmp

Filesize
248KB

Download
memory/4308-24-0x00000000078D0000-0x0000000007962000-memory.dmp

Filesize
584KB

Download
memory/4308-25-0x0000000002BA0000-0x0000000002BAA000-memory.dmp

Filesize
40KB

Download
memory/4308-26-0x0000000008970000-0x0000000008F88000-memory.dmp

Filesize
6.1MB

Download
memory/4308-27-0x0000000007C60000-0x0000000007D6A000-memory.dmp

Filesize
1.0MB

Download
memory/4308-28-0x0000000007AA0000-0x0000000007AB2000-memory.dmp

Filesize
72KB

Download
memory/4308-29-0x0000000007B00000-0x0000000007B3C000-memory.dmp

Filesize
240KB

Download
memory/4308-30-0x0000000007B50000-0x0000000007B9C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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