mystic | 9f4cee8892544b3b9090f5a7288e0a353e34bada2f75253f19bfebaefa1f0f53

Analysis

max time kernel
148s
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 09:54

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General

Target

192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe
Size

768KB
MD5

0de600ae6ec8490fb19ad446930f8581
SHA1

79c2e47abfcdcb80601a81d332f280d219a94872
SHA256

192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3
SHA512

95f5a3954717d1e180d4ece7078c021ad336310abdcda5375e709454835c0e9313c4d9aa9986a4da08936c0c29bca9c99a30c8d14904083c44ccf2a0ba39807f
SSDEEP

12288:DMrDy90GW5A7L+zRAfUBhN5wCPvRLDXq6LI9Gi23rfOttApNxdNMJPXP:oya5MfU/NvRXq3UikOtWNxdNMJ3

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

Processes:

resource	yara_rule
behavioral4/memory/4148-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral4/memory/4148-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral4/memory/4148-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral4/memory/4148-16-0x0000000000400000-0x0000000000433000-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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha571Zb.exe	family_redline
behavioral4/memory/1876-22-0x0000000000980000-0x00000000009BC000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

PK1zM1gH.exe1zq39TJ7.exe2ha571Zb.exe

pid process

4380 PK1zM1gH.exe
4912 1zq39TJ7.exe
1876 2ha571Zb.exe

pid	process
4380	PK1zM1gH.exe
4912	1zq39TJ7.exe
1876	2ha571Zb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PK1zM1gH.exe192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe

description	ioc	process
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\\\""	PK1zM1gH.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\\\""	192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1zq39TJ7.exe

description pid process target process

PID 4912 set thread context of 4148 4912 1zq39TJ7.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2984 4148 WerFault.exe AppLaunch.exe
4540 4912 WerFault.exe 1zq39TJ7.exe

description	pid	process	target process
PID 4912 set thread context of 4148	4912	1zq39TJ7.exe	AppLaunch.exe

pid	pid_target	process	target process
2984	4148	WerFault.exe	AppLaunch.exe
4540	4912	WerFault.exe	1zq39TJ7.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exePK1zM1gH.exe1zq39TJ7.exe

description	pid	process	target process
PID 3296 wrote to memory of 4380	3296	192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe	PK1zM1gH.exe
PID 3296 wrote to memory of 4380	3296	192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe	PK1zM1gH.exe
PID 3296 wrote to memory of 4380	3296	192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe	PK1zM1gH.exe
PID 4380 wrote to memory of 4912	4380	PK1zM1gH.exe	1zq39TJ7.exe
PID 4380 wrote to memory of 4912	4380	PK1zM1gH.exe	1zq39TJ7.exe
PID 4380 wrote to memory of 4912	4380	PK1zM1gH.exe	1zq39TJ7.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4912 wrote to memory of 4148	4912	1zq39TJ7.exe	AppLaunch.exe
PID 4380 wrote to memory of 1876	4380	PK1zM1gH.exe	2ha571Zb.exe
PID 4380 wrote to memory of 1876	4380	PK1zM1gH.exe	2ha571Zb.exe
PID 4380 wrote to memory of 1876	4380	PK1zM1gH.exe	2ha571Zb.exe

C:\Users\Admin\AppData\Local\Temp\192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe
"C:\Users\Admin\AppData\Local\Temp\192ce44be6557d6d98a2de008c00df07b0f5063ea96bbd2751389b1f82c5f6d3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3296

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PK1zM1gH.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PK1zM1gH.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4380

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zq39TJ7.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zq39TJ7.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4912

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 540
5⤵
- Program crash
PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 560
4⤵
- Program crash
PID:4540

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha571Zb.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha571Zb.exe
3⤵
- Executes dropped EXE
PID:1876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4148 -ip 4148
1⤵
PID:1072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
1⤵
PID:968

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PK1zM1gH.exe
Filesize
573KB

MD5
98f47d4e53f37548f802a09bf7b678da

SHA1
9f9c592c79e6565c7ea9a203254bc4f98827bc80

SHA256
6858b5b638427082a20f672bc807c2302d78ce9654fc7461f1b79cf38966c0a7

SHA512
48367eb0c2bc71c23013e882447b4f6eb08df19146623a497d9cd4d19372b72a4563356eac4981fe54a8e3438fbe224901cd400a7a0ec2bafba226b3884f0754

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zq39TJ7.exe
Filesize
1.1MB

MD5
8d111bb0aa4569a760f78fbc00ba47cc

SHA1
5daa40cc0870624a208af5014111bd7b23b9d93e

SHA256
a799207baa85c4f7a91fde2a7a2604607bc5d57cfb47c13d659d7f34796bf6c2

SHA512
edc98606ec40dd1219bb1d40eb43f5543a9a8f3077e78b4022a2c229911f53c880c0d8e949d68e0d91665664a1986363832bd10ca549176ef29731277cf93a4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha571Zb.exe
Filesize
219KB

MD5
378fbeb225bef4b5175f19ab33798034

SHA1
b0281007adad3c85b489c48d5dc90ad42efc56e3

SHA256
25ac4360968a320f7c380db131b677edcbff3452c77589d61cea01b2da308031

SHA512
372a41ea3e7761d346b367de20ee916d6870d36b819637a9031efc1763fdcec149d9b3cd40d0ea3c8a177b8e99db37516eba724e871cf5caa17420a064d57ad8

Download Submit
memory/1876-27-0x0000000008350000-0x000000000845A000-memory.dmp

Filesize
1.0MB

Download
memory/1876-22-0x0000000000980000-0x00000000009BC000-memory.dmp

Filesize
240KB

Download
memory/1876-23-0x0000000007DA0000-0x0000000008344000-memory.dmp

Filesize
5.6MB

Download
memory/1876-24-0x0000000007890000-0x0000000007922000-memory.dmp

Filesize
584KB

Download
memory/1876-25-0x0000000007A40000-0x0000000007A4A000-memory.dmp

Filesize
40KB

Download
memory/1876-26-0x0000000008970000-0x0000000008F88000-memory.dmp

Filesize
6.1MB

Download
memory/1876-28-0x0000000007B10000-0x0000000007B22000-memory.dmp

Filesize
72KB

Download
memory/1876-29-0x0000000007B70000-0x0000000007BAC000-memory.dmp

Filesize
240KB

Download
memory/1876-30-0x0000000007BE0000-0x0000000007C2C000-memory.dmp

Filesize
304KB

Download
memory/4148-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4148-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4148-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4148-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download