mystic | ddc6b496a8a25762ee7b933f47107c5553187f5846568bf68b67dd8d5f4a7548

Analysis

max time kernel
145s
max time network
153s
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 19:05

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General

Target

e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exe
Size

648KB
MD5

ecf0f29a03165f33b04c38290b9a22c3
SHA1

94318cf257afd1eb591aeb32f3d5b5a4e2214de1
SHA256

e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010
SHA512

ffb836622676672fe8a3c435a47c7f94d55f7d86fb77cc453df6057396c0d9c455a9bd56f54b491fc8c54281b6a100d19dae9fd5e4cc4d881eacb45dc429340f
SSDEEP

12288:qMrzy90WoZD8iKa2aXjdjPwmHbyLwzUxV4K7aHOGnTZSTUEyxK4:JyyZfKqhjPVbyLIeV4LHOSZSYEyxb

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 4 IoCs

Processes:

resource	yara_rule
behavioral19/memory/3828-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral19/memory/3828-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral19/memory/3828-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral19/memory/3828-17-0x0000000000400000-0x0000000000433000-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\2zF228xf.exe	family_redline
behavioral19/memory/2572-22-0x0000000000070000-0x00000000000AE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

uL0iR4EH.exe1Kc75SY5.exe2zF228xf.exe

pid process

4888 uL0iR4EH.exe
2788 1Kc75SY5.exe
2572 2zF228xf.exe

pid	process
4888	uL0iR4EH.exe
2788	1Kc75SY5.exe
2572	2zF228xf.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exeuL0iR4EH.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\\\""	e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.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\\\""	uL0iR4EH.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1Kc75SY5.exe

description pid process target process

PID 2788 set thread context of 3828 2788 1Kc75SY5.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3688 3828 WerFault.exe AppLaunch.exe
2280 2788 WerFault.exe 1Kc75SY5.exe

description	pid	process	target process
PID 2788 set thread context of 3828	2788	1Kc75SY5.exe	AppLaunch.exe

pid	pid_target	process	target process
3688	3828	WerFault.exe	AppLaunch.exe
2280	2788	WerFault.exe	1Kc75SY5.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exeuL0iR4EH.exe1Kc75SY5.exe

description	pid	process	target process
PID 5112 wrote to memory of 4888	5112	e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exe	uL0iR4EH.exe
PID 5112 wrote to memory of 4888	5112	e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exe	uL0iR4EH.exe
PID 5112 wrote to memory of 4888	5112	e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exe	uL0iR4EH.exe
PID 4888 wrote to memory of 2788	4888	uL0iR4EH.exe	1Kc75SY5.exe
PID 4888 wrote to memory of 2788	4888	uL0iR4EH.exe	1Kc75SY5.exe
PID 4888 wrote to memory of 2788	4888	uL0iR4EH.exe	1Kc75SY5.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 2788 wrote to memory of 3828	2788	1Kc75SY5.exe	AppLaunch.exe
PID 4888 wrote to memory of 2572	4888	uL0iR4EH.exe	2zF228xf.exe
PID 4888 wrote to memory of 2572	4888	uL0iR4EH.exe	2zF228xf.exe
PID 4888 wrote to memory of 2572	4888	uL0iR4EH.exe	2zF228xf.exe

C:\Users\Admin\AppData\Local\Temp\e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exe
"C:\Users\Admin\AppData\Local\Temp\e56b24cbcd2f2dc78ead0bbfb6d673cbd44be4ae5db1dbbf9a1fdb709103d010.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5112

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uL0iR4EH.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uL0iR4EH.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4888

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kc75SY5.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kc75SY5.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2788

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:3828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 552
5⤵
- Program crash
PID:3688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 580
4⤵
- Program crash
PID:2280

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2zF228xf.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2zF228xf.exe
3⤵
- Executes dropped EXE
PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2788 -ip 2788
1⤵
PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3828 -ip 3828
1⤵
PID:2576

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4276,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=3880 /prefetch:8
1⤵
PID:2196

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uL0iR4EH.exe

Filesize
452KB

MD5
a8a125755b381e251977196832f7ead6

SHA1
112cfd263c983de7d3b5588250490cb8857e5b40

SHA256
84e7be5bd01ca81fa63bec9d50b10848125bdf7df2510eaa66f23577e4d929a6

SHA512
0f36e50e5d5c0ad1eb127b4ce22780c37bbc846bb1ba3cfb4a76a89b476dc4bf87ecfdcccbe5eaa0a0bbcff28f620a56d19821d4748e8becd279fdc6256833c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kc75SY5.exe

Filesize
450KB

MD5
235fb90276a1f78b6d6251a291ab4ddc

SHA1
a9c58e266b41fe77f4360f9cf3a848776d0902ec

SHA256
e127f14498e59c5ef3b29b5353c148260096d11f021da05e9d9402bfeb4bf18a

SHA512
399b84e1b2aa15fc02b41f83afb97d70f62cb153d7254e71f8033f93f814520b390d55873d17ad763856f8a3ecfc2db84618145b52fcd15c37b627605aca9999

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2zF228xf.exe

Filesize
221KB

MD5
45232ffeb261758e06f951c5654a1552

SHA1
414240f266cb4c8e3255c1626000382d52a7f510

SHA256
42ce9b5d2650c5b64280c74c8588dcd4fab035e6e98d8726a382aaa72800c83f

SHA512
bd76db5ca10ea22c9ad7ee9bb8d52cef6705261f82f478db5c5b807bef57f458c0d234214897478f7497ccdcf813b754babc337f17b9d65e46fcc517376c2bac

Download Submit
memory/2572-27-0x0000000007100000-0x000000000720A000-memory.dmp

Filesize
1.0MB

Download
memory/2572-22-0x0000000000070000-0x00000000000AE000-memory.dmp

Filesize
248KB

Download
memory/2572-23-0x0000000007370000-0x0000000007914000-memory.dmp

Filesize
5.6MB

Download
memory/2572-24-0x0000000006E60000-0x0000000006EF2000-memory.dmp

Filesize
584KB

Download
memory/2572-25-0x00000000043E0000-0x00000000043EA000-memory.dmp

Filesize
40KB

Download
memory/2572-26-0x0000000007F40000-0x0000000008558000-memory.dmp

Filesize
6.1MB

Download
memory/2572-28-0x0000000007030000-0x0000000007042000-memory.dmp

Filesize
72KB

Download
memory/2572-29-0x0000000007090000-0x00000000070CC000-memory.dmp

Filesize
240KB

Download
memory/2572-30-0x0000000007210000-0x000000000725C000-memory.dmp

Filesize
304KB

Download
memory/3828-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3828-17-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3828-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3828-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download