mystic | 3767bd9b929fb47ae3b158c424044d32b3c87ffb6efc8eb109dc1df9f3d9b053

Analysis

max time kernel
145s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 08:20

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General

Target

edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exe
Size

817KB
MD5

f349d0bd45133b10ed68a9c88f029241
SHA1

6b66e2751890f4c0ad4a2831beba253c75597def
SHA256

edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7
SHA512

a6d43adf3fbcfc955d9a3ea62201e835c4c6fb3d85c8a0470b0e82fbf60742737ca32f292a976c06edcdad98ab0da063cafde4bae0b21d25eaafe45bf7f5966d
SSDEEP

12288:VMrfy90H8rp3PSeLF2LybxWResO0Mo3+R4vrfXKLFKCXQFkAFW:2ymgpflLFnAL7MoORGrfXKf+kAFW

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 5 IoCs

Processes:

resource	yara_rule
behavioral18/memory/4556-21-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral18/memory/4556-22-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral18/memory/4556-23-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral18/memory/4556-25-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral18/memory/4556-26-0x0000000000400000-0x0000000000432000-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\IXP002.TMP\2yp443KG.exe	family_redline
behavioral18/memory/624-30-0x0000000000800000-0x000000000083E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

Processes:

rO5aW9qX.exeAm7xq6JJ.exe1RP14ur5.exe2yp443KG.exe

pid process

664 rO5aW9qX.exe
1572 Am7xq6JJ.exe
3460 1RP14ur5.exe
624 2yp443KG.exe

pid	process
664	rO5aW9qX.exe
1572	Am7xq6JJ.exe
3460	1RP14ur5.exe
624	2yp443KG.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Am7xq6JJ.exeedc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exerO5aW9qX.exe

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\\\""	Am7xq6JJ.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\\\""	edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.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\\\""	rO5aW9qX.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1RP14ur5.exe

description pid process target process

PID 3460 set thread context of 4556 3460 1RP14ur5.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2924 3460 WerFault.exe 1RP14ur5.exe

description	pid	process	target process
PID 3460 set thread context of 4556	3460	1RP14ur5.exe	AppLaunch.exe

pid	pid_target	process	target process
2924	3460	WerFault.exe	1RP14ur5.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exerO5aW9qX.exeAm7xq6JJ.exe1RP14ur5.exe

description	pid	process	target process
PID 4616 wrote to memory of 664	4616	edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exe	rO5aW9qX.exe
PID 4616 wrote to memory of 664	4616	edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exe	rO5aW9qX.exe
PID 4616 wrote to memory of 664	4616	edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exe	rO5aW9qX.exe
PID 664 wrote to memory of 1572	664	rO5aW9qX.exe	Am7xq6JJ.exe
PID 664 wrote to memory of 1572	664	rO5aW9qX.exe	Am7xq6JJ.exe
PID 664 wrote to memory of 1572	664	rO5aW9qX.exe	Am7xq6JJ.exe
PID 1572 wrote to memory of 3460	1572	Am7xq6JJ.exe	1RP14ur5.exe
PID 1572 wrote to memory of 3460	1572	Am7xq6JJ.exe	1RP14ur5.exe
PID 1572 wrote to memory of 3460	1572	Am7xq6JJ.exe	1RP14ur5.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 3460 wrote to memory of 4556	3460	1RP14ur5.exe	AppLaunch.exe
PID 1572 wrote to memory of 624	1572	Am7xq6JJ.exe	2yp443KG.exe
PID 1572 wrote to memory of 624	1572	Am7xq6JJ.exe	2yp443KG.exe
PID 1572 wrote to memory of 624	1572	Am7xq6JJ.exe	2yp443KG.exe

C:\Users\Admin\AppData\Local\Temp\edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exe
"C:\Users\Admin\AppData\Local\Temp\edc38eb50d5c825ce8f755649e1c6c7fc24bea3b596f693c5932147527f4f1b7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4616

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rO5aW9qX.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rO5aW9qX.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:664

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Am7xq6JJ.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Am7xq6JJ.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1572

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1RP14ur5.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1RP14ur5.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 584
5⤵
- Program crash
PID:2924

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2yp443KG.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2yp443KG.exe
4⤵
- Executes dropped EXE
PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3460 -ip 3460
1⤵
PID:3044

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 --mojo-platform-channel-handle=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:1452

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\rO5aW9qX.exe

Filesize
583KB

MD5
5bfb3a9c090d8962ca78e898a58cb80d

SHA1
ab32471058317683f91882e224cb7d112cd627a5

SHA256
a21bb67c3974695caeaaf0e96c17e0e764abe063e72a3e9b112fce89476b143d

SHA512
3b57169bb432f4ba6dbdb31d7381f8f696aac1ae8c310ff9c3766afea3352534675099bdfb9242f04a0dfaa838fd64681658105712aa481cf19d8e0ffd40bdbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Am7xq6JJ.exe

Filesize
382KB

MD5
178a7ba5602abb28ec142afa5715f1c2

SHA1
12f58683baab302a6e027c4b8483878da2830809

SHA256
645ce85c4f27e057a7e1b62c33a72fb9300579fa813e2aea539410c92e543855

SHA512
98e52edce680fc289169423f90f3b0162dbbc9503ea6914ef081b76331267e086c00bff5c44f2f610d5436c1b23411f81b81d3b10bf5e6da133b373b15770ca5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1RP14ur5.exe

Filesize
295KB

MD5
5cadbc4666b4989d59e02c543476d37d

SHA1
dfa810ef0c05b0a39cd458135008a57d15b519ae

SHA256
3fdb6634eea3877960c175f1e0c3e7015185031feee02152105b20de6258ff5e

SHA512
4fdb0e3c3099bd1c21d83b711b0fe2f390b0e5d19a9535b5fd511b3087bccc8f686867e617e3ebb026baf0603e02778fca107948e89530a8530b1f85b0a3cf24

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2yp443KG.exe

Filesize
222KB

MD5
805bf5183512dfecffafb552c2324ad7

SHA1
1749a4865066a21581c5040853f0b451b9f2beeb

SHA256
16c6a5c1ea48b57cda824b13f46f765322bcc8a70b75c57462428f7a2f23cccb

SHA512
69a63f10db12578948b5d27baf27e8a4196220bd2380cb420ce76e88b382b9d8335a0b8fbb2cdc94fab8f5ae0e3e86cf7b397233cb5679be132088ece3682ba3

Download Submit
memory/624-33-0x0000000007680000-0x000000000768A000-memory.dmp

Filesize
40KB

Download
memory/624-35-0x0000000008140000-0x000000000824A000-memory.dmp

Filesize
1.0MB

Download
memory/624-38-0x0000000008030000-0x000000000807C000-memory.dmp

Filesize
304KB

Download
memory/624-37-0x0000000007A10000-0x0000000007A4C000-memory.dmp

Filesize
240KB

Download
memory/624-36-0x00000000077A0000-0x00000000077B2000-memory.dmp

Filesize
72KB

Download
memory/624-30-0x0000000000800000-0x000000000083E000-memory.dmp

Filesize
248KB

Download
memory/624-31-0x0000000007A80000-0x0000000008024000-memory.dmp

Filesize
5.6MB

Download
memory/624-32-0x00000000075C0000-0x0000000007652000-memory.dmp

Filesize
584KB

Download
memory/624-34-0x0000000008650000-0x0000000008C68000-memory.dmp

Filesize
6.1MB

Download
memory/4556-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4556-23-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4556-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4556-26-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4556-25-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download