mystic | 47889c48da4c5e390f10c04d8390b2c5d9f68bec127bf0e18bbe686b9079b922

Analysis

max time kernel
150s
max time network
153s
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 17:43

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General

Target

d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6.exe
Size

879KB
MD5

5c2b672966a5b08f397c249749e36103
SHA1

829b694f77f4f214acc9ef3018b132fba50f1c75
SHA256

d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6
SHA512

35097dbd27313f2fdd16162b2d86ded90b7af56c62ae9f0e745d4824f4d006ac08d1351eec0f7a44548de164f87e362b7b0e7fc13cc8c6d0a62bdc9f138f0153
SSDEEP

12288:HMrXy90w08HiILJ6XikwJVIsXyerEXiNysVUXm80ZBctoRD34FMJNW5LQDgai+p:gyf08/LJCwzFrl/VvncSkMv4QDdr

Score

10^/10

mystic redline lutyr infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

lutyr

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral18/memory/3292-21-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral18/memory/3292-24-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral18/memory/3292-23-0x0000000000400000-0x0000000000428000-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
behavioral18/files/0x0007000000023481-26.dat	family_redline
behavioral18/memory/4108-28-0x0000000000F20000-0x0000000000F5E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
8	Uc9Ja2VN.exe
3480	dq2wN7qZ.exe
4248	1Py46Nj3.exe
4108	2He418an.exe

Adds Run key to start application 2 TTPs 3 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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	dq2wN7qZ.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\\\""	d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6.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\\\""	Uc9Ja2VN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4248 set thread context of 3292	4248	1Py46Nj3.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	4248	WerFault.exe	84

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 8	1648	d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6.exe	82
PID 1648 wrote to memory of 8	1648	d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6.exe	82
PID 1648 wrote to memory of 8	1648	d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6.exe	82
PID 8 wrote to memory of 3480	8	Uc9Ja2VN.exe	83
PID 8 wrote to memory of 3480	8	Uc9Ja2VN.exe	83
PID 8 wrote to memory of 3480	8	Uc9Ja2VN.exe	83
PID 3480 wrote to memory of 4248	3480	dq2wN7qZ.exe	84
PID 3480 wrote to memory of 4248	3480	dq2wN7qZ.exe	84
PID 3480 wrote to memory of 4248	3480	dq2wN7qZ.exe	84
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 4248 wrote to memory of 3292	4248	1Py46Nj3.exe	86
PID 3480 wrote to memory of 4108	3480	dq2wN7qZ.exe	92
PID 3480 wrote to memory of 4108	3480	dq2wN7qZ.exe	92
PID 3480 wrote to memory of 4108	3480	dq2wN7qZ.exe	92

C:\Users\Admin\AppData\Local\Temp\d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6.exe
"C:\Users\Admin\AppData\Local\Temp\d431e54eb05e1ec91d96e56b56b50a6e510a259b69f7c5c8254a8954192e94f6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Uc9Ja2VN.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Uc9Ja2VN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dq2wN7qZ.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dq2wN7qZ.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3480
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Py46Nj3.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Py46Nj3.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4248
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:3292
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 600
        5⤵
        Program crash
        
        PID:2804
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2He418an.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2He418an.exe
      4⤵
      Executes dropped EXE
      PID:4108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4248 -ip 4248
1⤵
PID:2976

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\Uc9Ja2VN.exe

Filesize
585KB

MD5
80b36d22cfcc195b87f2d11370dd5c5e

SHA1
1d6fa75fd66055e6b1c1f843f6972c713c3efbf1

SHA256
bb55f1a201fa3d3a27fc36e5a65669666d22da37d4d0e7d0a5a3356de6acbd73

SHA512
d6f4f109b3d83c17bb197646dc14b12deaef80bb2bb88428eaf0dc9e95994d02a1b6a6a97886fc7c1e6e71e4bfc5b13a8c5945c15752f7549ed898c94960875a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dq2wN7qZ.exe

Filesize
412KB

MD5
f0fcefc767584a8f99db7459d6214d5f

SHA1
1333a35c35c855262c21b8162b3e965f5ef6535e

SHA256
77e41885e0e648842456e181648ad8729cd7ea24b4e8e353dda20d88d3c6c552

SHA512
796b74fb5081478e40829becab80cf52543594477ea38641d1975b6942d468fb1c89467fb5bf6cdbda4813f022fcff44ec0b0f9d6bf582f8097df17303836124

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Py46Nj3.exe

Filesize
378KB

MD5
c8c838184e3dc920cb4accacc0c1231d

SHA1
ff97e857ecef259833a66aac7a51488c3f32d45c

SHA256
0b25b91180e180073251ca6fbf96e511b8cc13fc62c67c4c3fafe2782c1eda4a

SHA512
12573d5c0d039d4b8bb3b613df87e137cf3fdcaeb55cc12e7a029a004264c517bbcc9d5b6f323957e8a97d3201d103755d0c2c3aa242dc0f00793df6d1b72eb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2He418an.exe

Filesize
221KB

MD5
7fcd3524a94e448cf45679cd4347c429

SHA1
9857d8ff154c8fb31ea9601ea2c13427d5d80e49

SHA256
a0c10987cc2f34a0373299e92b4c7c71baf278632eda5bfc1681a451412171d1

SHA512
173e28e665c3f056c1d824f40142c25fc4d6086415af206f9893e9578016dee21930a4f09014a5d0bff6634db6e64d0b7e319836f431acd080d0523ecd3c801d

Download Submit
memory/3292-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3292-24-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3292-23-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4108-29-0x0000000008250000-0x00000000087F4000-memory.dmp

Filesize
5.6MB

Download
memory/4108-28-0x0000000000F20000-0x0000000000F5E000-memory.dmp

Filesize
248KB

Download
memory/4108-30-0x0000000007D40000-0x0000000007DD2000-memory.dmp

Filesize
584KB

Download
memory/4108-31-0x0000000003180000-0x000000000318A000-memory.dmp

Filesize
40KB

Download
memory/4108-32-0x0000000008E20000-0x0000000009438000-memory.dmp

Filesize
6.1MB

Download
memory/4108-33-0x0000000008800000-0x000000000890A000-memory.dmp

Filesize
1.0MB

Download
memory/4108-34-0x0000000007ED0000-0x0000000007EE2000-memory.dmp

Filesize
72KB

Download
memory/4108-35-0x0000000007F30000-0x0000000007F6C000-memory.dmp

Filesize
240KB

Download
memory/4108-36-0x0000000007FB0000-0x0000000007FFC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads