mystic | 02cacf524527064e447c85bef406a6e5125d06b69bd35e10a813bf4a5659b985

Analysis

max time kernel
147s
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
24-05-2024 05:33

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General

Target

aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe
Size

401KB
MD5

c70da63f44a116fe349e06b38cafb3fa
SHA1

cb0d169c46a5e96d933da8ff43d1e057ea2d5ced
SHA256

aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049
SHA512

d558fa35f52738065c6d4602f968f22dae8dc33f900d71afb69fb52705e105befee8e786926c174cca498af2e55a109fae972acb3ab5ccc4dd26ff41e5066993
SSDEEP

6144:KUy+bnr+sp0yN90QEHbTG8sXOfBZjC+qn5gwV4y5P08f7DjWLMRPPq2knPEVowLc:kMrAy90tbXsOjFKFrOMti21awLc

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral19/memory/1240-7-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral19/memory/1240-11-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral19/memory/1240-10-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral19/memory/1240-8-0x0000000000400000-0x0000000000432000-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
behavioral19/files/0x0007000000023483-13.dat	family_redline
behavioral19/memory/1424-16-0x0000000000040000-0x000000000007E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
3908	1GG94Iy1.exe
1424	2XV410DF.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\\\""	aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3908 set thread context of 1240	3908	1GG94Iy1.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	1240	WerFault.exe	84

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 3908	2160	aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe	83
PID 2160 wrote to memory of 3908	2160	aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe	83
PID 2160 wrote to memory of 3908	2160	aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe	83
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 3908 wrote to memory of 1240	3908	1GG94Iy1.exe	84
PID 2160 wrote to memory of 1424	2160	aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe	86
PID 2160 wrote to memory of 1424	2160	aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe	86
PID 2160 wrote to memory of 1424	2160	aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe	86

C:\Users\Admin\AppData\Local\Temp\aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe
"C:\Users\Admin\AppData\Local\Temp\aefec08ebaf1c6b975dbf83df5257e52d7efcbaf569ea4b633cec392af828049.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1GG94Iy1.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1GG94Iy1.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3908
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:1240
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 540
      4⤵
      Program crash
      PID:2748
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2XV410DF.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2XV410DF.exe
  2⤵
  - Executes dropped EXE
  PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1240 -ip 1240
1⤵
PID:4696

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\1GG94Iy1.exe

Filesize
328KB

MD5
01b6c7325417fc02ba2a94a9a63d19d3

SHA1
40289b7eddb508217e9e4e6e1217fab3d440fbc0

SHA256
84e51fa3d61208ef78ebfcf98278a447806df307fd4331c6b4e79768ccf64dd0

SHA512
f73d1846da99136461245e6f02566fc5fcdff318d3333ddb13d4e3c590697b1a30ca95e60047d54a25c2e4a5d1dec7bd379115ca16cdd88c3497855374866bfa

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2XV410DF.exe

Filesize
222KB

MD5
6d80262e654cda95522cecd7a9e18bd6

SHA1
15a8b69a3ff3c28edc83e2bff7c1a3ecc6982014

SHA256
67e3d9d3299079a929edd1554ce3fd11558b816fcf63e1436a8b2b0123f80d08

SHA512
91f3558c779e26659ba977decf7b23e3ae698a2a96b543646dab12d24795745e82a38b005edb9fe839361f7d8ac527c125481a448eb0d2e824f785bfa6db6e04

Download Submit
memory/1240-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1240-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1240-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1240-8-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1424-17-0x00000000072B0000-0x0000000007854000-memory.dmp

Filesize
5.6MB

Download
memory/1424-16-0x0000000000040000-0x000000000007E000-memory.dmp

Filesize
248KB

Download
memory/1424-15-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/1424-18-0x0000000006DE0000-0x0000000006E72000-memory.dmp

Filesize
584KB

Download
memory/1424-19-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

Filesize
40KB

Download
memory/1424-20-0x00000000741F0000-0x00000000749A0000-memory.dmp

Filesize
7.7MB

Download
memory/1424-21-0x0000000007E80000-0x0000000008498000-memory.dmp

Filesize
6.1MB

Download
memory/1424-22-0x0000000007860000-0x000000000796A000-memory.dmp

Filesize
1.0MB

Download
memory/1424-23-0x00000000070A0000-0x00000000070B2000-memory.dmp

Filesize
72KB

Download
memory/1424-24-0x0000000007100000-0x000000000713C000-memory.dmp

Filesize
240KB

Download
memory/1424-25-0x0000000007140000-0x000000000718C000-memory.dmp

Filesize
304KB

Download
memory/1424-26-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/1424-27-0x00000000741F0000-0x00000000749A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads