mystic | 668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf

Analysis

max time kernel
141s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2023, 15:19

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General

Target

668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf.exe
Size

1.6MB
MD5

74f87d0cef91031be3d22ad3b0f7242f
SHA1

5638f213af3d2bc50c5fcc914b04aa545da38259
SHA256

668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf
SHA512

e55608458fc1c71609c76cd53fd8cce06587174b41fe8ccbf3ed772c88940f0fc9abc2571cf6385dd4d112f335f79eda59d319972f172dadf974d1919dcf77ef
SSDEEP

49152:59ce1L7Co15rhDyLtU4ONFvz+3tmWEZKj:H77rrpyZa63tmWEA

Score

10^/10

mystic redline gigant infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gigant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/3628-35-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/3628-36-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/3628-37-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/3628-39-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic

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 3 IoCs

resource	yara_rule
behavioral1/files/0x000700000002325a-40.dat	family_redline
behavioral1/files/0x000700000002325a-42.dat	family_redline
behavioral1/memory/4028-43-0x00000000002F0000-0x000000000032E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
4192	Po3MW5Ho.exe
4920	oX0AZ0hG.exe
4488	ve6Wo0yB.exe
1732	AQ3Yv8ep.exe
804	1Gt36KH9.exe
4028	2zT123Pk.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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\\\""	Po3MW5Ho.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\\\""	oX0AZ0hG.exe
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\\\""	ve6Wo0yB.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\\\""	AQ3Yv8ep.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\\\""	668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 804 set thread context of 3628	804	1Gt36KH9.exe	89

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2688	804	WerFault.exe	88
4676	3628	WerFault.exe	89

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 4192	3424	668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf.exe	83
PID 3424 wrote to memory of 4192	3424	668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf.exe	83
PID 3424 wrote to memory of 4192	3424	668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf.exe	83
PID 4192 wrote to memory of 4920	4192	Po3MW5Ho.exe	85
PID 4192 wrote to memory of 4920	4192	Po3MW5Ho.exe	85
PID 4192 wrote to memory of 4920	4192	Po3MW5Ho.exe	85
PID 4920 wrote to memory of 4488	4920	oX0AZ0hG.exe	86
PID 4920 wrote to memory of 4488	4920	oX0AZ0hG.exe	86
PID 4920 wrote to memory of 4488	4920	oX0AZ0hG.exe	86
PID 4488 wrote to memory of 1732	4488	ve6Wo0yB.exe	87
PID 4488 wrote to memory of 1732	4488	ve6Wo0yB.exe	87
PID 4488 wrote to memory of 1732	4488	ve6Wo0yB.exe	87
PID 1732 wrote to memory of 804	1732	AQ3Yv8ep.exe	88
PID 1732 wrote to memory of 804	1732	AQ3Yv8ep.exe	88
PID 1732 wrote to memory of 804	1732	AQ3Yv8ep.exe	88
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 804 wrote to memory of 3628	804	1Gt36KH9.exe	89
PID 1732 wrote to memory of 4028	1732	AQ3Yv8ep.exe	95
PID 1732 wrote to memory of 4028	1732	AQ3Yv8ep.exe	95
PID 1732 wrote to memory of 4028	1732	AQ3Yv8ep.exe	95

C:\Users\Admin\AppData\Local\Temp\668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf.exe
"C:\Users\Admin\AppData\Local\Temp\668b58991b329df844942e61f6938418cf5826cd29d60772daf39bdedfd526bf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Po3MW5Ho.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Po3MW5Ho.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\oX0AZ0hG.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\oX0AZ0hG.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4920
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ve6Wo0yB.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ve6Wo0yB.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4488
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AQ3Yv8ep.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AQ3Yv8ep.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:1732
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Gt36KH9.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Gt36KH9.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:804
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:3628
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3628 -s 552
        8⤵
        Program crash
        
        PID:4676
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 576
        7⤵
        Program crash
        
        PID:2688
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2zT123Pk.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2zT123Pk.exe
        6⤵
        Executes dropped EXE
        
        PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3628 -ip 3628
1⤵
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 804 -ip 804
1⤵
PID:2292

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\Po3MW5Ho.exe

Filesize
1.5MB

MD5
004b7c6410bead1b880dc286a33b3314

SHA1
3e0f2f8ade9abed5951323764bfcabbc6e118565

SHA256
0087093be35054c15a366c01e76379117999a492126596d7efb649c22a09249c

SHA512
63ca6c35a8ff925f09e515c197cce8fe5d7b33db2f88215756ef9376d20f0a320a3e040a0ddf9f9d5f6b7eb7c1f42f4563366a0553ded67c523f249297a61740

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Po3MW5Ho.exe

Filesize
1.5MB

MD5
004b7c6410bead1b880dc286a33b3314

SHA1
3e0f2f8ade9abed5951323764bfcabbc6e118565

SHA256
0087093be35054c15a366c01e76379117999a492126596d7efb649c22a09249c

SHA512
63ca6c35a8ff925f09e515c197cce8fe5d7b33db2f88215756ef9376d20f0a320a3e040a0ddf9f9d5f6b7eb7c1f42f4563366a0553ded67c523f249297a61740

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\oX0AZ0hG.exe

Filesize
1.3MB

MD5
635c9691e139956f994a7dc70fa53201

SHA1
a214b2cf6b5816f0f2edd42426b0cc5c4e1c61ca

SHA256
b65a24e1c6fca41490982ddbe4cc11642863f6d723d643e1e68432858bd8bf8c

SHA512
4c45b2f3605f8796c78af7e25763501890a1c26e0801a8ea67dcc898d02c06adca32fa9927f8f0d9fb717145b43bccbcb6e9d4a64d185fdceb1cc1bb9fa30230

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\oX0AZ0hG.exe

Filesize
1.3MB

MD5
635c9691e139956f994a7dc70fa53201

SHA1
a214b2cf6b5816f0f2edd42426b0cc5c4e1c61ca

SHA256
b65a24e1c6fca41490982ddbe4cc11642863f6d723d643e1e68432858bd8bf8c

SHA512
4c45b2f3605f8796c78af7e25763501890a1c26e0801a8ea67dcc898d02c06adca32fa9927f8f0d9fb717145b43bccbcb6e9d4a64d185fdceb1cc1bb9fa30230

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ve6Wo0yB.exe

Filesize
823KB

MD5
edcd04265e3a41c189e2878d20b0b78e

SHA1
8c6979e0cc6376f38a307d6c0dc7eefb4122910c

SHA256
7fd3f95c046b4394711e11f3519d507d0abb3329caf7901d0178641ec093ffc0

SHA512
faa65c91c2e45ee24df873442df7f0fef7e09f012d216d527a32c80cc6db078e8815ddd205987561120f56076e99ed2a527e4e4ed79e0a67a9cf34d5097c3534

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ve6Wo0yB.exe

Filesize
823KB

MD5
edcd04265e3a41c189e2878d20b0b78e

SHA1
8c6979e0cc6376f38a307d6c0dc7eefb4122910c

SHA256
7fd3f95c046b4394711e11f3519d507d0abb3329caf7901d0178641ec093ffc0

SHA512
faa65c91c2e45ee24df873442df7f0fef7e09f012d216d527a32c80cc6db078e8815ddd205987561120f56076e99ed2a527e4e4ed79e0a67a9cf34d5097c3534

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AQ3Yv8ep.exe

Filesize
651KB

MD5
fa1547d7715dc74b765ea685d5507c9b

SHA1
1e5eec8f56323ca147cb5c6179834d717ceb0f3a

SHA256
b0c752c77cdeae59e2b44fdea8674de1912be9c54ddacba047feb3870338f78a

SHA512
2fdb9b7039ae1c0732aca4348f10d13f837f495b79f398cd435f7d8fe2e2217fc867f68b770b5996c753198e6b4737392a9c659e4acae97f10908a77b590da78

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AQ3Yv8ep.exe

Filesize
651KB

MD5
fa1547d7715dc74b765ea685d5507c9b

SHA1
1e5eec8f56323ca147cb5c6179834d717ceb0f3a

SHA256
b0c752c77cdeae59e2b44fdea8674de1912be9c54ddacba047feb3870338f78a

SHA512
2fdb9b7039ae1c0732aca4348f10d13f837f495b79f398cd435f7d8fe2e2217fc867f68b770b5996c753198e6b4737392a9c659e4acae97f10908a77b590da78

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Gt36KH9.exe

Filesize
1.7MB

MD5
335993db77fa67b5aff1fb1be1b087be

SHA1
ca583aa8cd1763027f12d7cebf9d85c8674fb929

SHA256
015092782f7d0b4375c44ac3494a7ce4ca80404eb0de57613725e386c9cbb7ca

SHA512
eb6bf1a6a36bfb6f72f15cc2d31a4d3ba1606a82233e43b39df30df1079430566af0f3a05027349e8eef5324c82916d92c516509e21b5271ac5decb4089ee229

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Gt36KH9.exe

Filesize
1.7MB

MD5
335993db77fa67b5aff1fb1be1b087be

SHA1
ca583aa8cd1763027f12d7cebf9d85c8674fb929

SHA256
015092782f7d0b4375c44ac3494a7ce4ca80404eb0de57613725e386c9cbb7ca

SHA512
eb6bf1a6a36bfb6f72f15cc2d31a4d3ba1606a82233e43b39df30df1079430566af0f3a05027349e8eef5324c82916d92c516509e21b5271ac5decb4089ee229

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2zT123Pk.exe

Filesize
230KB

MD5
ed9ad4f23bee9e433fc8315b96a25c1e

SHA1
40379aa88141686f07f014dc13ef5622c3219117

SHA256
a50e82369b9faeba96246503ede1e4016c95a72f2c09a81cd9030bc34127e8a0

SHA512
f45e366f4b9ce6b834e47fcffe3c9e4b1a10761daad39efa2c5ed9288b6c69e67f857f95d889d1664ec6194699f8840e3e9e972fdfba2385f97f729df6c383f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2zT123Pk.exe

Filesize
230KB

MD5
ed9ad4f23bee9e433fc8315b96a25c1e

SHA1
40379aa88141686f07f014dc13ef5622c3219117

SHA256
a50e82369b9faeba96246503ede1e4016c95a72f2c09a81cd9030bc34127e8a0

SHA512
f45e366f4b9ce6b834e47fcffe3c9e4b1a10761daad39efa2c5ed9288b6c69e67f857f95d889d1664ec6194699f8840e3e9e972fdfba2385f97f729df6c383f0

Download Submit
memory/3628-36-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3628-37-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3628-39-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3628-35-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4028-46-0x00000000070C0000-0x0000000007152000-memory.dmp

Filesize
584KB

Download
memory/4028-44-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4028-45-0x00000000075D0000-0x0000000007B74000-memory.dmp

Filesize
5.6MB

Download
memory/4028-43-0x00000000002F0000-0x000000000032E000-memory.dmp

Filesize
248KB

Download
memory/4028-47-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download
memory/4028-48-0x0000000007260000-0x000000000726A000-memory.dmp

Filesize
40KB

Download
memory/4028-49-0x00000000081A0000-0x00000000087B8000-memory.dmp

Filesize
6.1MB

Download
memory/4028-50-0x0000000007B80000-0x0000000007C8A000-memory.dmp

Filesize
1.0MB

Download
memory/4028-51-0x0000000007490000-0x00000000074A2000-memory.dmp

Filesize
72KB

Download
memory/4028-52-0x00000000074F0000-0x000000000752C000-memory.dmp

Filesize
240KB

Download
memory/4028-53-0x0000000007530000-0x000000000757C000-memory.dmp

Filesize
304KB

Download
memory/4028-54-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4028-55-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads