mystic | 3c91163ea40ad7e35bac48ded16235cfe9003c914f570e27b4e2d7b3c9c46c05

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 18:29

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General

Target

74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46.exe
Size

1.5MB
MD5

14c31f1cc2b909e3774579f25397c3be
SHA1

9a89d41568afd0dc2a0ef490a42f6b564b924967
SHA256

74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46
SHA512

65c06155cf5385513e0879fd17b108d3884509b8b5edbb19df81d282df060e2e9acd3f13250b9c77edd06525719eccb1921cfd891b772ab591f1a977b22960dc
SSDEEP

49152:h6gG5sijMECRAxmC8+gR4sFkYyXDZyVoTj:8gG5siolSQ+MXJUFJTj

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

mystic

http://5.42.92.211/

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral10/memory/3704-35-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral10/memory/3704-38-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral10/memory/3704-37-0x0000000000400000-0x0000000000433000-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
behavioral10/files/0x0007000000023424-40.dat	family_redline
behavioral10/memory/532-42-0x00000000007F0000-0x000000000082E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
3312	Am6eU3ae.exe
3524	TV4ny9eJ.exe
3324	AH7aL1JT.exe
4908	ue9AT5rU.exe
436	1Fw74fJ4.exe
532	2jP997qh.exe

Adds Run key to start application 2 TTPs 5 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\\\""	74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46.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\\\""	Am6eU3ae.exe
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\\\""	TV4ny9eJ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	AH7aL1JT.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	ue9AT5rU.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 436 set thread context of 3704	436	1Fw74fJ4.exe	100

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2516	436	WerFault.exe	88

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 3312	2124	74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46.exe	83
PID 2124 wrote to memory of 3312	2124	74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46.exe	83
PID 2124 wrote to memory of 3312	2124	74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46.exe	83
PID 3312 wrote to memory of 3524	3312	Am6eU3ae.exe	84
PID 3312 wrote to memory of 3524	3312	Am6eU3ae.exe	84
PID 3312 wrote to memory of 3524	3312	Am6eU3ae.exe	84
PID 3524 wrote to memory of 3324	3524	TV4ny9eJ.exe	85
PID 3524 wrote to memory of 3324	3524	TV4ny9eJ.exe	85
PID 3524 wrote to memory of 3324	3524	TV4ny9eJ.exe	85
PID 3324 wrote to memory of 4908	3324	AH7aL1JT.exe	86
PID 3324 wrote to memory of 4908	3324	AH7aL1JT.exe	86
PID 3324 wrote to memory of 4908	3324	AH7aL1JT.exe	86
PID 4908 wrote to memory of 436	4908	ue9AT5rU.exe	88
PID 4908 wrote to memory of 436	4908	ue9AT5rU.exe	88
PID 4908 wrote to memory of 436	4908	ue9AT5rU.exe	88
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 436 wrote to memory of 3704	436	1Fw74fJ4.exe	100
PID 4908 wrote to memory of 532	4908	ue9AT5rU.exe	104
PID 4908 wrote to memory of 532	4908	ue9AT5rU.exe	104
PID 4908 wrote to memory of 532	4908	ue9AT5rU.exe	104

C:\Users\Admin\AppData\Local\Temp\74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46.exe
"C:\Users\Admin\AppData\Local\Temp\74646b4cceb0bb3d3459ebc184168de79df4b60017876506f0f32e29b2ca9c46.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Am6eU3ae.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Am6eU3ae.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3312
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\TV4ny9eJ.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\TV4ny9eJ.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3524
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\AH7aL1JT.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\AH7aL1JT.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:3324
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ue9AT5rU.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ue9AT5rU.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:4908
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Fw74fJ4.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Fw74fJ4.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:436
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:3704
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 580
        7⤵
        Program crash
        
        PID:2516
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2jP997qh.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2jP997qh.exe
        6⤵
        Executes dropped EXE
        
        PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 436 -ip 436
1⤵
PID:4468

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\Am6eU3ae.exe

Filesize
1.4MB

MD5
4bbbcfb732bbe8a04b7f1932520c0d89

SHA1
42c3b69b8cd80ba8b133c22314972d9a3f2529a1

SHA256
c491307bd509fa4e6052f1e04bdc82ba3b61d7f5ba58b34d62f59685182f5c9d

SHA512
9235c2c711b2a5309eaeba1f0595d3a94ee726730b53fd3912fc8407caf3d461f4861ad617f17f12add34ef5eb103715c1644beb1f7590cadb8b892e478abf1b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\TV4ny9eJ.exe

Filesize
1.2MB

MD5
5b3d4145bf90ddc4e03f97174e360686

SHA1
d1535880837ba5ddf1a0b9945dad1af252d16364

SHA256
719835764d0b58cbfdf77d70ff1b59385f27066edafe28f651d43eaaa9eff8c8

SHA512
727e6ba89bc43c81fe7328dabf75bcbec4835471b69a2643ced1c99d646dea3b85e4e8265d38b7a12172fa9d1f7a26eddb7824a50d4089e02300a8be61412484

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\AH7aL1JT.exe

Filesize
777KB

MD5
8e040d0e9b9b58b5a594dea95124b576

SHA1
205ef7fd6ba666da056d831dd53f336a51175f11

SHA256
76e226017ae8058364d2108c3216a367b25d50b4e8ea9a0d78c06a376ac7f3c0

SHA512
6ecf577eb7750a5c173bcb23eaf58b167d3646afd6153a72bca10ef047e63661659fd57203dc2c350a4e889256ffcf93ac55fca1d8742df6e0d0a69986347006

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ue9AT5rU.exe

Filesize
580KB

MD5
90e71439da9e5ba670e8e3dcae29d84b

SHA1
cc024e85334a7b5bbc028106edb15987036eb297

SHA256
862ac8b7c366237845a1a2e6fa078bfc5e657519c6f3ee72e486b2b8df38706f

SHA512
1798841b900ecf52748608676dd055940935a9e9130d12c17c25f024b8c064f871bb639fd19c474424a0a4e0547e38b518b562210d39ade1659f111615623947

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Fw74fJ4.exe

Filesize
1.1MB

MD5
1558b143da2d9ec81977fc4a3c4a2f75

SHA1
7edb060136ebe99e23560c930dbdf4648229a6c0

SHA256
1f36867d845b68c959609011d51a760b2c74d8aec34f9e76823150a4e1c09d1c

SHA512
50def3514b900cdd697f247fe02eb07a47e62dadacce1b9463cf16661b6c2ee0d0a992895e87ebd825b3076250cd8438e4cd1b247fb20e366f68a9d115a28f72

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2jP997qh.exe

Filesize
221KB

MD5
bd3da4a763830b1f66cef8d98e10408a

SHA1
f6895bb70cb6061ee228b0d39f5f4031daf9809b

SHA256
d720916e7c5d984d0f1e4ecdd6ef8a4cbeaa3efda6f71830fb679be75a5586ab

SHA512
f7d7a0124a1887fdc6a4f7f8648bfbc379a2c0e4ddf8325e90b5596a44858918bedf09411050b504f2f38b6fcd26fc8e44cdbd3a2494123856c106d920da8543

Download Submit
memory/532-42-0x00000000007F0000-0x000000000082E000-memory.dmp

Filesize
248KB

Download
memory/532-43-0x0000000007AE0000-0x0000000008084000-memory.dmp

Filesize
5.6MB

Download
memory/532-44-0x00000000075D0000-0x0000000007662000-memory.dmp

Filesize
584KB

Download
memory/532-45-0x0000000002A20000-0x0000000002A2A000-memory.dmp

Filesize
40KB

Download
memory/532-46-0x00000000086B0000-0x0000000008CC8000-memory.dmp

Filesize
6.1MB

Download
memory/532-48-0x00000000077A0000-0x00000000077B2000-memory.dmp

Filesize
72KB

Download
memory/532-47-0x0000000007920000-0x0000000007A2A000-memory.dmp

Filesize
1.0MB

Download
memory/532-49-0x0000000007810000-0x000000000784C000-memory.dmp

Filesize
240KB

Download
memory/532-50-0x0000000007850000-0x000000000789C000-memory.dmp

Filesize
304KB

Download
memory/3704-38-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3704-37-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3704-35-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads