mystic | dcf4e78aa4f4a43375e6c66a708f11e84986bd1f7bacc1564324e028fcba76f4

Analysis

max time kernel
149s
max time network
149s
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 10:56

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General

Target

733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574.exe
Size

753KB
MD5

1a507f9cd10a20f8bc00027529053e1d
SHA1

cc3ed1132b3fe01ed67e9ee04dc6feafcaec6825
SHA256

733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574
SHA512

32f3e6840383bd9ffd42653527984adb21126d2a3cf905d74e7ef00ac32baf44edb90ba060db7ca5a4d51608c47d86ebc4bd91b33f013710a03e9462ebd0a70d
SSDEEP

12288:kMrcy90KVoZhIe/nre3W0wHKdz7FrBgW2GpRolzKuhrGFTEaHIzqYsoZQu:AyZoZhIe/nrediKh7FdxTpGZ3JGTIzF9

Score

10^/10

mystic redline kedru infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kedru

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral3/memory/2004-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral3/memory/2004-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral3/memory/2004-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral3/memory/2004-14-0x0000000000400000-0x0000000000433000-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
behavioral3/files/0x0007000000023425-21.dat	family_redline
behavioral3/memory/1724-22-0x0000000000010000-0x000000000004C000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
1336	mO6ft7sd.exe
1596	1LL58zW6.exe
1724	2Ns494lj.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\\\""	733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574.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\\\""	mO6ft7sd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1596 set thread context of 2004	1596	1LL58zW6.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4052	2004	WerFault.exe	87

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 1336	2888	733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574.exe	82
PID 2888 wrote to memory of 1336	2888	733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574.exe	82
PID 2888 wrote to memory of 1336	2888	733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574.exe	82
PID 1336 wrote to memory of 1596	1336	mO6ft7sd.exe	83
PID 1336 wrote to memory of 1596	1336	mO6ft7sd.exe	83
PID 1336 wrote to memory of 1596	1336	mO6ft7sd.exe	83
PID 1596 wrote to memory of 3124	1596	1LL58zW6.exe	85
PID 1596 wrote to memory of 3124	1596	1LL58zW6.exe	85
PID 1596 wrote to memory of 3124	1596	1LL58zW6.exe	85
PID 1596 wrote to memory of 3004	1596	1LL58zW6.exe	86
PID 1596 wrote to memory of 3004	1596	1LL58zW6.exe	86
PID 1596 wrote to memory of 3004	1596	1LL58zW6.exe	86
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1596 wrote to memory of 2004	1596	1LL58zW6.exe	87
PID 1336 wrote to memory of 1724	1336	mO6ft7sd.exe	88
PID 1336 wrote to memory of 1724	1336	mO6ft7sd.exe	88
PID 1336 wrote to memory of 1724	1336	mO6ft7sd.exe	88

C:\Users\Admin\AppData\Local\Temp\733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574.exe
"C:\Users\Admin\AppData\Local\Temp\733ef926aecde5ac2059782a5f2fb64f8fbbf625f2beb3ca397e8b56c0b4a574.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mO6ft7sd.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mO6ft7sd.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1336
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LL58zW6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LL58zW6.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1596
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3124
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3004
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2004
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 540
        5⤵
        Program crash
        
        PID:4052
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ns494lj.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ns494lj.exe
    3⤵
    - Executes dropped EXE
    PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2004 -ip 2004
1⤵
PID:4952

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\mO6ft7sd.exe

Filesize
558KB

MD5
14bba0d14a8ed0d138f4a13813f2d4ef

SHA1
e75461c77d9eb4d13a7f83620e384c8ca39950eb

SHA256
50a49921ab4a050c6311e419b0a06a4be941d027ab9d81716660f3ba0b490d2b

SHA512
e9dd6c6fd5230c17f215cdb09a1932cc339c275965e0307f7e1e7c1094fa0f1f26ff2a0e7d2e82b60fb7ecb00799425e507b142cf1c1d68ec6210b4713e00445

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LL58zW6.exe

Filesize
1.0MB

MD5
e9bcb7b62ab1dcd2dd6dc8d61a5a6bb7

SHA1
bd87ec325cb6b4a4c1e045246ea1b578b47501fe

SHA256
26c4273f55efef51785fe817227395c7ddddd561d1fa9abf282957a3dbb15fc9

SHA512
4feb1fac4c69ddd2b94431c1ee9611e5bd46cf1424f4beb77e8b45e3cd2950a179756cc5653ae25f4be566a0a36886a6d9c64c425d837a4abb501ba824b2273c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ns494lj.exe

Filesize
219KB

MD5
4d0db7f9e24847baa9431de130275e74

SHA1
a1c655447489553eea653705ab09d405ff66a3f6

SHA256
26317ee294ffbf0fe071c435b2f59e39056f5f05acc2793b0915ab94aa7d55b6

SHA512
ed4aa7182d291ca02f88ab8c90ea625a52336883648389dc848b2333d755d6bed17ebe623b02d9dfc1fc5d1c65c9c05c43e10e11f786e5a9c16300bb906f2385

Download Submit
memory/1724-27-0x0000000007240000-0x000000000734A000-memory.dmp

Filesize
1.0MB

Download
memory/1724-22-0x0000000000010000-0x000000000004C000-memory.dmp

Filesize
240KB

Download
memory/1724-23-0x0000000007390000-0x0000000007934000-memory.dmp

Filesize
5.6MB

Download
memory/1724-24-0x0000000006ED0000-0x0000000006F62000-memory.dmp

Filesize
584KB

Download
memory/1724-25-0x0000000002300000-0x000000000230A000-memory.dmp

Filesize
40KB

Download
memory/1724-26-0x0000000007F60000-0x0000000008578000-memory.dmp

Filesize
6.1MB

Download
memory/1724-28-0x0000000007100000-0x0000000007112000-memory.dmp

Filesize
72KB

Download
memory/1724-29-0x0000000007170000-0x00000000071AC000-memory.dmp

Filesize
240KB

Download
memory/1724-30-0x00000000071B0000-0x00000000071FC000-memory.dmp

Filesize
304KB

Download
memory/2004-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2004-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2004-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2004-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads