mystic | 692e82b585be9ac7cc8c88f2eeb475fcf42fed96a7b5572934f45018a5f7f2d1

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
22-05-2024 19:04

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General

Target

eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe
Size

771KB
MD5

593fd33436446b18f88bd2d596dc126f
SHA1

1ab1f4b4a6057cf0d51780194be0a4358502fa30
SHA256

eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228
SHA512

92c5f75ae577806092ba01d709b498aa122df86d7bcc6b7b15aee4ff1fc84137309a66fd5a6a66ba9f05c44113edffe4aa6fd81e218f8d4121b2dc0ef4680604
SSDEEP

12288:TMrJy90MI57GM5n2MwKciVlDz22oIjdLibc69f44FJ2RHDBUwXpZfSr:Sy3q7GMHfRVlH2IjdO5fHOuwXpZfA

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
behavioral17/memory/4824-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral17/memory/4824-18-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral17/memory/4824-16-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral17/memory/4824-15-0x0000000000400000-0x0000000000434000-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
behavioral17/files/0x0007000000023452-19.dat	family_redline
behavioral17/memory/3184-22-0x0000000000330000-0x000000000036E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
2768	de1SU1IX.exe
1016	1ZN78Rn2.exe
3184	2IN840xH.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\\\""	eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.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\\\""	de1SU1IX.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1016 set thread context of 4824	1016	1ZN78Rn2.exe	90

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3164	1016	WerFault.exe	85
4964	4824	WerFault.exe	90

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 2768	4788	eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe	84
PID 4788 wrote to memory of 2768	4788	eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe	84
PID 4788 wrote to memory of 2768	4788	eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe	84
PID 2768 wrote to memory of 1016	2768	de1SU1IX.exe	85
PID 2768 wrote to memory of 1016	2768	de1SU1IX.exe	85
PID 2768 wrote to memory of 1016	2768	de1SU1IX.exe	85
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 1016 wrote to memory of 4824	1016	1ZN78Rn2.exe	90
PID 2768 wrote to memory of 3184	2768	de1SU1IX.exe	96
PID 2768 wrote to memory of 3184	2768	de1SU1IX.exe	96
PID 2768 wrote to memory of 3184	2768	de1SU1IX.exe	96

C:\Users\Admin\AppData\Local\Temp\eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe
"C:\Users\Admin\AppData\Local\Temp\eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\de1SU1IX.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\de1SU1IX.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ZN78Rn2.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ZN78Rn2.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1016
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4824
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 540
        5⤵
        Program crash
        
        PID:4964
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 572
      4⤵
      Program crash
      PID:3164
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2IN840xH.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2IN840xH.exe
    3⤵
    - Executes dropped EXE
    PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1016 -ip 1016
1⤵
PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4824 -ip 4824
1⤵
PID:2352

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\de1SU1IX.exe

Filesize
574KB

MD5
56a3533e11d930bb10849c86035a3935

SHA1
1557777bc6b0509ef61d7af2757cc0fe47a272ac

SHA256
04d3cc48c2b6440c24744aa5a39d6d140e9253296dc63fcb36a21768842b14eb

SHA512
676390684bd9743e385b24d38ab9b0c07517a4c99e10ce9136f31a7462af83d73ade0b481627a73c2257a783b960db40b00edfd3a1581233a085eca96ca6a698

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ZN78Rn2.exe

Filesize
1.1MB

MD5
74417a8688c4f07ac2037c4231a1ebe6

SHA1
7ebfca74ebb71ea19fe9032f50b9ab4b217002bf

SHA256
91fbb98c754b6caf274d397c2e4648d9e0d5ebb873d38d2e20e0dd2bf303255c

SHA512
5ac8d00b56e3ed938e02c90daf2122342b24af653df25a65901372c977134ecdd75d25866a7cd484116a6431b37cc5eb4e077c7c524189cce27e955d8f3329ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2IN840xH.exe

Filesize
223KB

MD5
012a0e4e7350b0c4015dcce14c0f1a85

SHA1
a1f7b888d03e2c4864fbf468c5433f6a9cee2f5b

SHA256
5d6e27320b3a7f6b1072907f3a49cdc961c23e462788f30ad5bd415fdbee2f3f

SHA512
69a503d0968489f93caff3bae0b76c549b8eb21b2ec3c28beded2307fe474b71a377eb61220957cc9a44d696cd1f3f0d83055001a067375ea20971cae42075f3

Download Submit
memory/3184-27-0x0000000007470000-0x000000000757A000-memory.dmp

Filesize
1.0MB

Download
memory/3184-22-0x0000000000330000-0x000000000036E000-memory.dmp

Filesize
248KB

Download
memory/3184-23-0x00000000075C0000-0x0000000007B64000-memory.dmp

Filesize
5.6MB

Download
memory/3184-24-0x00000000070F0000-0x0000000007182000-memory.dmp

Filesize
584KB

Download
memory/3184-25-0x0000000002660000-0x000000000266A000-memory.dmp

Filesize
40KB

Download
memory/3184-26-0x0000000008190000-0x00000000087A8000-memory.dmp

Filesize
6.1MB

Download
memory/3184-28-0x00000000071F0000-0x0000000007202000-memory.dmp

Filesize
72KB

Download
memory/3184-29-0x0000000007360000-0x000000000739C000-memory.dmp

Filesize
240KB

Download
memory/3184-30-0x00000000073A0000-0x00000000073EC000-memory.dmp

Filesize
304KB

Download
memory/4824-16-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4824-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4824-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4824-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads