mystic | 92023f346ccc819d9c52da2af751cda1bc5396b5d745c68d99d1d2ff99db093a

Analysis

max time kernel
149s
max time network
150s
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, 10:08

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General

Target

3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239.exe
Size

761KB
MD5

3708d6c379f5b50d423b1424543b3d50
SHA1

5e4a40b2f33cb8c0b18c5f4bc579be09e58256d9
SHA256

3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239
SHA512

f8a615e714e9209abb477e948441857a0675e2a4595044fe476faac009a14d00f391769152108908f3d839dacf1812a754d7ce369a197b9f5edec98e9db5596d
SSDEEP

12288:TMrky90AWjLhr4N8GQ8s2BmKybvodZBG1b8p3uqjd4vI6pejdxl3sqP1cI:nyyr4NMZqIbwde1b8NuKWZcjh8qP1cI

Score

10^/10

mystic redline kinza infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kinza

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral12/memory/2652-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral12/memory/2652-20-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral12/memory/2652-18-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral12/memory/2652-17-0x0000000000400000-0x0000000000434000-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/0x0007000000023436-16.dat	family_redline
behavioral12/memory/4032-22-0x0000000000AC0000-0x0000000000AFE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4596	Qu6jr9An.exe
748	1Ph96Ss9.exe
4032	2aN496tj.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	Qu6jr9An.exe
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\\\""	3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 748 set thread context of 2652	748	1Ph96Ss9.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2456	2652	WerFault.exe	88

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 4596	1040	3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239.exe	84
PID 1040 wrote to memory of 4596	1040	3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239.exe	84
PID 1040 wrote to memory of 4596	1040	3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239.exe	84
PID 4596 wrote to memory of 748	4596	Qu6jr9An.exe	85
PID 4596 wrote to memory of 748	4596	Qu6jr9An.exe	85
PID 4596 wrote to memory of 748	4596	Qu6jr9An.exe	85
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 748 wrote to memory of 2652	748	1Ph96Ss9.exe	88
PID 4596 wrote to memory of 4032	4596	Qu6jr9An.exe	89
PID 4596 wrote to memory of 4032	4596	Qu6jr9An.exe	89
PID 4596 wrote to memory of 4032	4596	Qu6jr9An.exe	89

C:\Users\Admin\AppData\Local\Temp\3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239.exe
"C:\Users\Admin\AppData\Local\Temp\3f23e445a9c2f529b4cbc3f4ee40ef64fa1fe69a8d4a241b103ec8c749376239.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Qu6jr9An.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Qu6jr9An.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4596
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Ph96Ss9.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Ph96Ss9.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:748
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2652
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 200
        5⤵
        Program crash
        
        PID:2456
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2aN496tj.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2aN496tj.exe
    3⤵
    - Executes dropped EXE
    PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2652 -ip 2652
1⤵
PID:2200

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\Qu6jr9An.exe

Filesize
564KB

MD5
e6d8d88673e8766da679c883176ee106

SHA1
19be0f0c431a6626d1f025aab24f54c45bf13c30

SHA256
335feab347f4141de3af8f576bf171d70aec21f1d4bdc29beede6561aa48423d

SHA512
b44025d580ed16f5d679ca7be5e4e72d3455026f827b8af6ecc95cb72681019b172ae3e1da2d00bca14a74ff94f3b52fe0d7bf4232f681b2f79df38b6ca81b8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Ph96Ss9.exe

Filesize
1.1MB

MD5
929b78bd8e87d34c301155e1317115f2

SHA1
435760ff4c631a0afb1389888f8c190a1d8d4119

SHA256
de1da99fc0aa638e74a81cbbd9c784847ca6457fa7a9f4600f7341cc4dcf643e

SHA512
99dc4c71fea137ca51b182b444a80d7dfa31d1d8266b9deb319fca7f7cfaa7429a431a6bf90058ca717ce94e1f917f25d9f2333a04328a827f34ab8b84ddf97b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2aN496tj.exe

Filesize
222KB

MD5
3862ef0b20d378171280da6b1da7720d

SHA1
b61489dca1ee49eb7788b05f5df2f61687d96fe6

SHA256
0dfe79341608b61a2c254d202be5b55cdaa04e5919886ce7867b23556b87f427

SHA512
10fb5b10cdd08d3752001eaf8cbc512da0cab7b4a57a7945335b1812afc27b9480e9b2aebb2e1e7da119fbaf0c98f6b79dc209604d5ebf4aaa6a63505754b2ca

Download Submit
memory/2652-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2652-20-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2652-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2652-17-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4032-23-0x0000000007F60000-0x0000000008504000-memory.dmp

Filesize
5.6MB

Download
memory/4032-22-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

Filesize
248KB

Download
memory/4032-24-0x0000000007A50000-0x0000000007AE2000-memory.dmp

Filesize
584KB

Download
memory/4032-25-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/4032-26-0x0000000008B30000-0x0000000009148000-memory.dmp

Filesize
6.1MB

Download
memory/4032-27-0x0000000007DE0000-0x0000000007EEA000-memory.dmp

Filesize
1.0MB

Download
memory/4032-28-0x0000000007A20000-0x0000000007A32000-memory.dmp

Filesize
72KB

Download
memory/4032-29-0x0000000007B30000-0x0000000007B6C000-memory.dmp

Filesize
240KB

Download
memory/4032-30-0x0000000007B70000-0x0000000007BBC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads