mystic | 47889c48da4c5e390f10c04d8390b2c5d9f68bec127bf0e18bbe686b9079b922

Analysis

max time kernel
149s
max time network
155s
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 17:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe
Size

696KB
MD5

c7ebfe13a7bf0a68584149c5ddb03abd
SHA1

ddc8cd20e9ae316e160214ded1afbb8c077b14f1
SHA256

e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79
SHA512

1f2e9b44c23b34151cc8c86b13c6046618f0b0b64593e645fc1aa347e7d5645defdb6d1c70f7f3bfb5b70376dcf000f47d9a8979deb5a8d74876cfa86146deb4
SSDEEP

12288:oMrYy90yI3SObs3vabwalG13yWvTGGtGzyDQUBw6a0b96kuVz:gyDICObs3alG13wGTc0EkOz

Score

10^/10

mystic smokeloader backdoor evasion persistence stealer trojan

Malware Config

Signatures

Detect Mystic stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral19/memory/1884-53-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral19/memory/1884-56-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral19/memory/1884-54-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

1kk24Nw1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1kk24Nw1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1kk24Nw1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1kk24Nw1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1kk24Nw1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	1kk24Nw1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1kk24Nw1.exe

Mystic
Mystic is an infostealer written in C++.
stealer mystic
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 4 IoCs

Processes:

YF8Im73.exe1kk24Nw1.exe2wf7879.exe3iJ50yS.exe

pid process

2420 YF8Im73.exe
1664 1kk24Nw1.exe
220 2wf7879.exe
1372 3iJ50yS.exe

pid	process
2420	YF8Im73.exe
1664	1kk24Nw1.exe
220	2wf7879.exe
1372	3iJ50yS.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

1kk24Nw1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	1kk24Nw1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	1kk24Nw1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exeYF8Im73.exe

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\\\""	e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.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\\\""	YF8Im73.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

2wf7879.exe3iJ50yS.exe

description	pid	process	target process
PID 220 set thread context of 1884	220	2wf7879.exe	AppLaunch.exe
PID 1372 set thread context of 3616	1372	3iJ50yS.exe	AppLaunch.exe

Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

912 sc.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4064 220 WerFault.exe 2wf7879.exe
3692 1372 WerFault.exe 3iJ50yS.exe

pid	process
912	sc.exe

pid	pid_target	process	target process
4064	220	WerFault.exe	2wf7879.exe
3692	1372	WerFault.exe	3iJ50yS.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1kk24Nw1.exe

pid process

1664 1kk24Nw1.exe
1664 1kk24Nw1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1kk24Nw1.exe

description pid process

Token: SeDebugPrivilege 1664 1kk24Nw1.exe

pid	process
1664	1kk24Nw1.exe
1664	1kk24Nw1.exe

description	pid	process
Token: SeDebugPrivilege	1664	1kk24Nw1.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exeYF8Im73.exe2wf7879.exe3iJ50yS.exe

description	pid	process	target process
PID 2292 wrote to memory of 2420	2292	e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe	YF8Im73.exe
PID 2292 wrote to memory of 2420	2292	e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe	YF8Im73.exe
PID 2292 wrote to memory of 2420	2292	e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe	YF8Im73.exe
PID 2420 wrote to memory of 1664	2420	YF8Im73.exe	1kk24Nw1.exe
PID 2420 wrote to memory of 1664	2420	YF8Im73.exe	1kk24Nw1.exe
PID 2420 wrote to memory of 1664	2420	YF8Im73.exe	1kk24Nw1.exe
PID 2420 wrote to memory of 220	2420	YF8Im73.exe	2wf7879.exe
PID 2420 wrote to memory of 220	2420	YF8Im73.exe	2wf7879.exe
PID 2420 wrote to memory of 220	2420	YF8Im73.exe	2wf7879.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 220 wrote to memory of 1884	220	2wf7879.exe	AppLaunch.exe
PID 2292 wrote to memory of 1372	2292	e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe	3iJ50yS.exe
PID 2292 wrote to memory of 1372	2292	e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe	3iJ50yS.exe
PID 2292 wrote to memory of 1372	2292	e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe	3iJ50yS.exe
PID 1372 wrote to memory of 3712	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3712	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3712	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3616	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3616	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3616	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3616	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3616	1372	3iJ50yS.exe	AppLaunch.exe
PID 1372 wrote to memory of 3616	1372	3iJ50yS.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe
"C:\Users\Admin\AppData\Local\Temp\e0e0fe767a4d28c22c9164941b937ca32139dda9a5ac00b380e14f39f0bc2e79.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2292

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\YF8Im73.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\YF8Im73.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2420

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1kk24Nw1.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1kk24Nw1.exe
3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1664

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wf7879.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wf7879.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:220

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 160
4⤵
- Program crash
PID:4064

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3iJ50yS.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3iJ50yS.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1372

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:3712

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
- Checks SCSI registry key(s)
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 152
3⤵
- Program crash
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 220 -ip 220
1⤵
PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1372 -ip 1372
1⤵
PID:3952

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:912

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3iJ50yS.exe
Filesize
268KB

MD5
7ea92704fae8dad8ce88f4d81a0fd471

SHA1
f38a6922bc9e503df13f43ecffa47b3eb1c06af6

SHA256
e279eb0fa684212454e21abbed38544525754320db1fd5baba7952882d5ab607

SHA512
59abd89ebd282795209a12bc8c97b5f73cd1426d92e065f4219691616f482718c6275b709bb571f35bdfbaa94f5a8e3ba657f58e313e8a09d446b348871c7bf4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\YF8Im73.exe
Filesize
452KB

MD5
68a5c26eefbaf9cdeca6e4da90ec4a30

SHA1
f08d6739e1e2a7c282ae427d5b8593ad36b654b4

SHA256
631a8ca2ac6e02a4a31f6affd61ec8619c9ec85480c14f5d0e3b1a8458948c47

SHA512
1a5c87be6d57d0378bf1caf8d0f5025ce79fc0228c57a9728a1ac780938314151f43a1c8c16b01ed27dddbcc435c0f5b7c343fca1457b38c9252036029a6b28a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1kk24Nw1.exe
Filesize
192KB

MD5
8904f85abd522c7d0cb5789d9583ccff

SHA1
5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

SHA256
7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

SHA512
04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wf7879.exe
Filesize
378KB

MD5
4ccc01683e03688de17345bed7d3506f

SHA1
0d8f6f41ba801f259627cdaf1abe4da4d9c23dda

SHA256
aac38b1eaa6d074eda4d6e89dd26699fcb093344269a4e1d7f73b4a171f3146d

SHA512
2d45f20759c1dd0bef8f4452393c9709b6f4b3a7123648cc69d0058e129803c5e82257404071882081503be5f7dd25c4749056d60e3badcd2b014aa6e3280c4c

Download Submit
memory/1664-35-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-29-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-18-0x0000000004990000-0x00000000049AC000-memory.dmp

Filesize
112KB

Download
memory/1664-19-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/1664-20-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-47-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-45-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-43-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-41-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-37-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-16-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/1664-33-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-31-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-17-0x0000000004AD0000-0x0000000005074000-memory.dmp

Filesize
5.6MB

Download
memory/1664-27-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-25-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-21-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-39-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-23-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/1664-49-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/1664-15-0x00000000022D0000-0x00000000022EE000-memory.dmp

Filesize
120KB

Download
memory/1664-14-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

Filesize
4KB

Download
memory/1884-56-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1884-54-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1884-53-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3616-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download