mystic | 47203fc7445c1e0e06643f363dd7d86ccc46b70ab234e5fbfe72badfdd6704ae

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 08:22

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General

Target

4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exe
Size

1.1MB
MD5

046b3bcfc5dd07fa793b5b9fc44534c6
SHA1

98550b4ed41e9bf23ab492a09ac21ef451f130ed
SHA256

4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd
SHA512

5050898ba55a16ca78bd5274f784079aafa782c4d6d75d29024b69d3cb38c47713818caa7341a1aae7e99f0f81592d42d35f412599b904ba895f37e2abb530c7
SSDEEP

24576:HyHqpwwEbEGPY3bIAvlVLpaAy5SZ3+lyszXxadKi4zRJ:SKpZEYGP0JlMAykZ3+nAAR

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 3 IoCs

Processes:

resource	yara_rule
behavioral3/memory/4304-35-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral3/memory/4304-36-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral3/memory/4304-38-0x0000000000400000-0x0000000000432000-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\IXP004.TMP\2mJ854pa.exe	family_redline
behavioral3/memory/4588-42-0x0000000000940000-0x000000000097E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

Processes:

xT5OY8fb.exeos5Lw1os.exeGG0El9gL.exeJP1Ni5EG.exe1cd50VP4.exe2mJ854pa.exe

pid process

1436 xT5OY8fb.exe
3280 os5Lw1os.exe
4348 GG0El9gL.exe
1984 JP1Ni5EG.exe
2000 1cd50VP4.exe
4588 2mJ854pa.exe

pid	process
1436	xT5OY8fb.exe
3280	os5Lw1os.exe
4348	GG0El9gL.exe
1984	JP1Ni5EG.exe
2000	1cd50VP4.exe
4588	2mJ854pa.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

GG0El9gL.exeJP1Ni5EG.exe4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exexT5OY8fb.exeos5Lw1os.exe

description	ioc	process
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\\\""	GG0El9gL.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\\\""	JP1Ni5EG.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\\\""	4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.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\\\""	xT5OY8fb.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\\\""	os5Lw1os.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1cd50VP4.exe

description pid process target process

PID 2000 set thread context of 4304 2000 1cd50VP4.exe AppLaunch.exe

description	pid	process	target process
PID 2000 set thread context of 4304	2000	1cd50VP4.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exexT5OY8fb.exeos5Lw1os.exeGG0El9gL.exeJP1Ni5EG.exe1cd50VP4.exe

description	pid	process	target process
PID 1760 wrote to memory of 1436	1760	4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exe	xT5OY8fb.exe
PID 1760 wrote to memory of 1436	1760	4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exe	xT5OY8fb.exe
PID 1760 wrote to memory of 1436	1760	4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exe	xT5OY8fb.exe
PID 1436 wrote to memory of 3280	1436	xT5OY8fb.exe	os5Lw1os.exe
PID 1436 wrote to memory of 3280	1436	xT5OY8fb.exe	os5Lw1os.exe
PID 1436 wrote to memory of 3280	1436	xT5OY8fb.exe	os5Lw1os.exe
PID 3280 wrote to memory of 4348	3280	os5Lw1os.exe	GG0El9gL.exe
PID 3280 wrote to memory of 4348	3280	os5Lw1os.exe	GG0El9gL.exe
PID 3280 wrote to memory of 4348	3280	os5Lw1os.exe	GG0El9gL.exe
PID 4348 wrote to memory of 1984	4348	GG0El9gL.exe	JP1Ni5EG.exe
PID 4348 wrote to memory of 1984	4348	GG0El9gL.exe	JP1Ni5EG.exe
PID 4348 wrote to memory of 1984	4348	GG0El9gL.exe	JP1Ni5EG.exe
PID 1984 wrote to memory of 2000	1984	JP1Ni5EG.exe	1cd50VP4.exe
PID 1984 wrote to memory of 2000	1984	JP1Ni5EG.exe	1cd50VP4.exe
PID 1984 wrote to memory of 2000	1984	JP1Ni5EG.exe	1cd50VP4.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 2000 wrote to memory of 4304	2000	1cd50VP4.exe	AppLaunch.exe
PID 1984 wrote to memory of 4588	1984	JP1Ni5EG.exe	2mJ854pa.exe
PID 1984 wrote to memory of 4588	1984	JP1Ni5EG.exe	2mJ854pa.exe
PID 1984 wrote to memory of 4588	1984	JP1Ni5EG.exe	2mJ854pa.exe

C:\Users\Admin\AppData\Local\Temp\4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exe
"C:\Users\Admin\AppData\Local\Temp\4b34c552dbab5efc9560efa54f934de7c83ac3d7a313df811145ebfadf64c2dd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xT5OY8fb.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xT5OY8fb.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1436

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\os5Lw1os.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\os5Lw1os.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3280

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\GG0El9gL.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\GG0El9gL.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4348

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\JP1Ni5EG.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\JP1Ni5EG.exe
5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1984

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1cd50VP4.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1cd50VP4.exe
6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
7⤵
PID:4304

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2mJ854pa.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2mJ854pa.exe
6⤵
- Executes dropped EXE
PID:4588

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=4040,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
1⤵
PID:1704

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xT5OY8fb.exe
Filesize
1.0MB

MD5
6002eba57abf2e056522f4c1e93dd8cc

SHA1
75c696468ec7eef56a4e8cd7a8f76b73d6b2fb51

SHA256
8bed36a110b4206ad978ad8db69009763225ad9e44429415c338812c408bed99

SHA512
84bfe1331c9e1f06885ba5f1f43c00753605e079198afa724968abe4245e181d2c958bf469305565288b0ed21efce95c998aaf606850c242099f1a77cdf47b22

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\os5Lw1os.exe
Filesize
843KB

MD5
0918b2ea21b44eb9c939ddbb0768281c

SHA1
19c97cfa711c707aa8669fd0a2aaeeda8c51e063

SHA256
b49cd40a724681dc01836bae9133e43d51bae306e7e51faf79c0d96531c5c721

SHA512
5cf25f86af06415682f217f613f7f155f3db40ab274bb7f6494a7bffba676cac2dcdb9b0a67f66486ad945102d7c272767bbeeabe5c5c4b4ccf7f2c6b16c6dd6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\GG0El9gL.exe
Filesize
593KB

MD5
8007650883fac2235543c77a78654ef6

SHA1
6187db863ffba169130d137aeb010d1a495bdda0

SHA256
823a939d2de147ba11a2d5a851b558adf361e1b60c552ec55d64824fefb903e0

SHA512
da35b9a228dd129a132d4b1ff9b8b587044e8cf5c93fe3ffce1ceeda941484e3f058b94141c6d84717af65d7e04c0c6c99af25f8bdaba6bd68fc0619d1583cbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\JP1Ni5EG.exe
Filesize
398KB

MD5
43ec0e9124078ac2c90c9a06bec3d100

SHA1
a1fbeafc9e5eeff6d250630aa8b23b71b1c172b7

SHA256
a2071445d989bd631e0e63d76c27c192ff2fd0d943cd5d25dc36b954b9e81503

SHA512
20e521d0ff1d097f48fc5f2a6c08209a05653eacc1f137319e36df2d3a91de1023d825b27de2d491100cb8cf53dd9eea09cdc85a1cd6e08b8c9a9cc106b17ac6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1cd50VP4.exe
Filesize
320KB

MD5
8f43c049b9ebd1cf8d75ec6012660b58

SHA1
d97e6abc19730fb1e67a38df769732707e0d4897

SHA256
169986bab792920d82249d76f03227ef511bc36b51d03b2267d2ba32e24976b5

SHA512
1f8c76bf15a59bcb334c665c63678e6ea817c3d1918e17f7ebd18c55029a75bc6a7a5654ce4e8a9412f5ffa5fbef9b11beacdd9e6b4938eee370ef1ef3877ced

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2mJ854pa.exe
Filesize
222KB

MD5
9032bf95a18062608a40313c6e5335a2

SHA1
fac2f669af5a011564fea450138da695fcfadb67

SHA256
20245ac0716983eaaf2bc09451a1aa56d00b5745c15c5a4af3951894f625826b

SHA512
ac4be72adc87ed22aee2ce9b70c7aa4d7bce10b01c8c8ab18aaa2ac9b0d8c363594471f172bf1184434aabef46028c71cb3598c8ae99df930587420bb6bf55d6

Download Submit
memory/4304-38-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4304-36-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4304-35-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4588-42-0x0000000000940000-0x000000000097E000-memory.dmp

Filesize
248KB

Download
memory/4588-43-0x0000000007BE0000-0x0000000008184000-memory.dmp

Filesize
5.6MB

Download
memory/4588-44-0x0000000007710000-0x00000000077A2000-memory.dmp

Filesize
584KB

Download
memory/4588-45-0x0000000004D00000-0x0000000004D0A000-memory.dmp

Filesize
40KB

Download
memory/4588-46-0x00000000087B0000-0x0000000008DC8000-memory.dmp

Filesize
6.1MB

Download
memory/4588-47-0x0000000007A90000-0x0000000007B9A000-memory.dmp

Filesize
1.0MB

Download
memory/4588-48-0x00000000078F0000-0x0000000007902000-memory.dmp

Filesize
72KB

Download
memory/4588-49-0x0000000007980000-0x00000000079BC000-memory.dmp

Filesize
240KB

Download
memory/4588-50-0x0000000007920000-0x000000000796C000-memory.dmp

Filesize
304KB

Download