mystic | c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c

Analysis

max time kernel
153s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2023, 17:35

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General

Target
c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c.exe
Size 1.2MB
Sample231007-v6bhfage45
SHA256 c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c
MD5 dc9b74f110010f383b089951fffa25a6
SHA1 64b60b766c56ceef8caeb825d984a3a1fee901aa
SHA512 6e00b0e9c0451d9aad2715074ebb18a2000b62dca1846cfcbb2d6bb8a372ad97a6f0bb2f51fce43e97f977b7e70876e58133acd2c3fa4f62717c91bbd042ba33
SSDEEP 24576:0yPClHm/RqsNjI8rN9OvEDOLRlb/3K1WRQIGMH2RVTecm+XRbvU:DKlG8sN9nC9NlbfKa1H2zJX9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

mystic redline lutyr infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

lutyr

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/476-35-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/476-36-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/476-37-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/476-39-0x0000000000400000-0x0000000000428000-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/0x00060000000230d3-41.dat	family_redline
behavioral1/files/0x00060000000230d3-42.dat	family_redline
behavioral1/memory/2900-44-0x0000000000430000-0x000000000046E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
4480	Id7Qx6xD.exe
3364	nt8ae2mY.exe
2076	KN1QV7kB.exe
1252	Zm4wm3pa.exe
4348	1xx85nk3.exe
2900	2Lg438Wc.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c.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\\\""	Id7Qx6xD.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\\\""	nt8ae2mY.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\\\""	KN1QV7kB.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\\\""	Zm4wm3pa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4348 set thread context of 476	4348	1xx85nk3.exe	95

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3676	476	WerFault.exe	95
892	4348	WerFault.exe	93

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4168 wrote to memory of 4480	4168	c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c.exe	89
PID 4168 wrote to memory of 4480	4168	c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c.exe	89
PID 4168 wrote to memory of 4480	4168	c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c.exe	89
PID 4480 wrote to memory of 3364	4480	Id7Qx6xD.exe	90
PID 4480 wrote to memory of 3364	4480	Id7Qx6xD.exe	90
PID 4480 wrote to memory of 3364	4480	Id7Qx6xD.exe	90
PID 3364 wrote to memory of 2076	3364	nt8ae2mY.exe	91
PID 3364 wrote to memory of 2076	3364	nt8ae2mY.exe	91
PID 3364 wrote to memory of 2076	3364	nt8ae2mY.exe	91
PID 2076 wrote to memory of 1252	2076	KN1QV7kB.exe	92
PID 2076 wrote to memory of 1252	2076	KN1QV7kB.exe	92
PID 2076 wrote to memory of 1252	2076	KN1QV7kB.exe	92
PID 1252 wrote to memory of 4348	1252	Zm4wm3pa.exe	93
PID 1252 wrote to memory of 4348	1252	Zm4wm3pa.exe	93
PID 1252 wrote to memory of 4348	1252	Zm4wm3pa.exe	93
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 4348 wrote to memory of 476	4348	1xx85nk3.exe	95
PID 1252 wrote to memory of 2900	1252	Zm4wm3pa.exe	100
PID 1252 wrote to memory of 2900	1252	Zm4wm3pa.exe	100
PID 1252 wrote to memory of 2900	1252	Zm4wm3pa.exe	100

C:\Users\Admin\AppData\Local\Temp\c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c.exe
"C:\Users\Admin\AppData\Local\Temp\c7bf16d19af53ce0e356ff0a03ca5f2bf14034d9e265c438dc88513cd09cf55c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4168
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Id7Qx6xD.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Id7Qx6xD.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4480
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nt8ae2mY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nt8ae2mY.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3364
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\KN1QV7kB.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\KN1QV7kB.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2076
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Zm4wm3pa.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Zm4wm3pa.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:1252
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1xx85nk3.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1xx85nk3.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4348
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:476
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 476 -s 540
        8⤵
        Program crash
        
        PID:3676
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 148
        7⤵
        Program crash
        
        PID:892
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Lg438Wc.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Lg438Wc.exe
        6⤵
        Executes dropped EXE
        
        PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4348 -ip 4348
1⤵
PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 476 -ip 476
1⤵
PID:2008

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

Id7Qx6xD.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Id7Qx6xD.exe
Size 1.0MB
SHA256 27d8069284dbed6f8674f85ef84f65270311b3955464664d790589e6001ec917
MD5 2915043c840f44d3d194fe1d187bd830
SHA1 68952a46a2911fe8e4ef0e4a71defe63a26f4a60
SHA512 3ff90aac7a77ac9c381160c250d294f7ecc86979e3a6dc27d393263ac1140236549010f970d1d6c274d8667e17c994e4692e98b6327a1390a6ff73ffd7a3dd80
SSDEEP 24576:eywEBEkQCe3uaY8rNMSbE4GlbSbAvKhrRQIGHH2BrZeeTPM:tzB2/uIiimNSbQKb6H2zV
MD5 SHA1 SHA512 SSDEEP

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Id7Qx6xD.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Id7Qx6xD.exe
Size 1.0MB
SHA256 27d8069284dbed6f8674f85ef84f65270311b3955464664d790589e6001ec917
MD5 2915043c840f44d3d194fe1d187bd830
SHA1 68952a46a2911fe8e4ef0e4a71defe63a26f4a60
SHA512 3ff90aac7a77ac9c381160c250d294f7ecc86979e3a6dc27d393263ac1140236549010f970d1d6c274d8667e17c994e4692e98b6327a1390a6ff73ffd7a3dd80
SSDEEP 24576:eywEBEkQCe3uaY8rNMSbE4GlbSbAvKhrRQIGHH2BrZeeTPM:tzB2/uIiimNSbQKb6H2zV
MD5 SHA1 SHA512 SSDEEP

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nt8ae2mY.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nt8ae2mY.exe
Size 878KB
SHA256 85c4e1d89fa3f1ea0b1d51c0f6a54650688cbb25b225dcd053589b36a9699136
MD5 705469b3d149cffb1d963ab2d279e715
SHA1 dbff86ea579a30049f9a2d8cc0548ffb70787abc
SHA512 ae68b59d965e063ee461ba2209cf7110df5f5160adbe6ae2c0bb11b95fffffb7f2d24f316a85839b5026906d99ff8c286aa9d0425508cef8578440f478c3409d
SSDEEP 24576:/yLKRfhAuaRHrOdGxE4Hlb+Ij9KtERQIbXH2HrCeD:KYCukwMnN+IZKEhH2u
MD5 SHA1 SHA512 SSDEEP

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nt8ae2mY.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nt8ae2mY.exe
Size 878KB
SHA256 85c4e1d89fa3f1ea0b1d51c0f6a54650688cbb25b225dcd053589b36a9699136
MD5 705469b3d149cffb1d963ab2d279e715
SHA1 dbff86ea579a30049f9a2d8cc0548ffb70787abc
SHA512 ae68b59d965e063ee461ba2209cf7110df5f5160adbe6ae2c0bb11b95fffffb7f2d24f316a85839b5026906d99ff8c286aa9d0425508cef8578440f478c3409d
SSDEEP 24576:/yLKRfhAuaRHrOdGxE4Hlb+Ij9KtERQIbXH2HrCeD:KYCukwMnN+IZKEhH2u
MD5 SHA1 SHA512 SSDEEP

Submit Download

KN1QV7kB.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\KN1QV7kB.exe
Size 584KB
SHA256 e063bce632dc135876a27490a271936c15a052934d726ec7576c9c2101cc7fde
MD5 0add6a19f1ff447f8a22f4d91c8cc638
SHA1 094efea1eef56f8d9d4e72cc379b670a10f3932d
SHA512 17410c72838d51433e1a0d5ea52d89d810fb343e25be300b1fba0aceb15f5951009e5f1fd610c12027f20758675e52111cd4556a731ee410bf616582461d67f7
SSDEEP 12288:XMrvy90CoLfeysXKme62ja8VldJKGlD3i5CfEvbflLOKPpX/we5KR:syPawLya8HrfEofEjfl3xNKR
MD5 SHA1 SHA512 SSDEEP

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KN1QV7kB.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\KN1QV7kB.exe
Size 584KB
SHA256 e063bce632dc135876a27490a271936c15a052934d726ec7576c9c2101cc7fde
MD5 0add6a19f1ff447f8a22f4d91c8cc638
SHA1 094efea1eef56f8d9d4e72cc379b670a10f3932d
SHA512 17410c72838d51433e1a0d5ea52d89d810fb343e25be300b1fba0aceb15f5951009e5f1fd610c12027f20758675e52111cd4556a731ee410bf616582461d67f7
SSDEEP 12288:XMrvy90CoLfeysXKme62ja8VldJKGlD3i5CfEvbflLOKPpX/we5KR:syPawLya8HrfEofEjfl3xNKR
MD5 SHA1 SHA512 SSDEEP

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Zm4wm3pa.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Zm4wm3pa.exe
Size 412KB
SHA256 0390274e46d678d2e17fc7ad1584f8e80c29d2266a06cb69a33d8d10a820701e
MD5 08b49c63669ef42d3595cf6a6892b2c4
SHA1 0a0ade1b847f6d8b18714338cc9635873dafbd6e
SHA512 c323951b4401001765ee0287d8b014bd9eb8f3e2d45783649d41d5b230ece6c6c5e6a411938a3bf484d1c155df008dc61adbb23edb952b7bb8fa2da33b8ac262
SSDEEP 12288:tMrey90Ok2jaHVldJMG0D3i52fEvJJlLOKAx:XyEyaHHr5XAfEBJl3s
MD5 SHA1 SHA512 SSDEEP

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Zm4wm3pa.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Zm4wm3pa.exe
Size 412KB
SHA256 0390274e46d678d2e17fc7ad1584f8e80c29d2266a06cb69a33d8d10a820701e
MD5 08b49c63669ef42d3595cf6a6892b2c4
SHA1 0a0ade1b847f6d8b18714338cc9635873dafbd6e
SHA512 c323951b4401001765ee0287d8b014bd9eb8f3e2d45783649d41d5b230ece6c6c5e6a411938a3bf484d1c155df008dc61adbb23edb952b7bb8fa2da33b8ac262
SSDEEP 12288:tMrey90Ok2jaHVldJMG0D3i52fEvJJlLOKAx:XyEyaHHr5XAfEBJl3s
MD5 SHA1 SHA512 SSDEEP

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1xx85nk3.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1xx85nk3.exe
Size 378KB
SHA256 1abd730d0a582af55ebfe4ba177eb3ca1252c06638e66e45a51320d8b58d8a72
MD5 86b7b551e32d4d5ace605126db5363a5
SHA1 800cbccf5a9784d576f0b118a2d2f5014a21b03b
SHA512 77ec61c1de3aa9be2b49662256f6bfb479eedea848b0a29a4f1ad7f1495cb5ddbd4dab4c0d4822fcf1a56d1af95625eefc7782e86ad3b96e3872c7a2a85a9e29
SSDEEP 6144:n4iS992pCryG4kfjSGwEi56AOrGFXq/4quk0ZBtiiWHboZtX4HXj0D:n4iC2wryNS0FXqAqubZ38booAD
MD5 SHA1 SHA512 SSDEEP

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1xx85nk3.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1xx85nk3.exe
Size 378KB
SHA256 1abd730d0a582af55ebfe4ba177eb3ca1252c06638e66e45a51320d8b58d8a72
MD5 86b7b551e32d4d5ace605126db5363a5
SHA1 800cbccf5a9784d576f0b118a2d2f5014a21b03b
SHA512 77ec61c1de3aa9be2b49662256f6bfb479eedea848b0a29a4f1ad7f1495cb5ddbd4dab4c0d4822fcf1a56d1af95625eefc7782e86ad3b96e3872c7a2a85a9e29
SSDEEP 6144:n4iS992pCryG4kfjSGwEi56AOrGFXq/4quk0ZBtiiWHboZtX4HXj0D:n4iC2wryNS0FXqAqubZ38booAD
MD5 SHA1 SHA512 SSDEEP

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2Lg438Wc.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Lg438Wc.exe
Size 221KB
SHA256 a8f4959931614764afaf30191036a8ebe37b60e383bda2f481aa2c0f119be119
MD5 97b8ee19628a60c8656c653840c584eb
SHA1 71179bf72658adc1df55928b763c533baf0d27ca
SHA512 99dab928335004c29c3cd323aafa6986bbec5a6e3fbe634806f7179c6ac80837e8b246e1f3eaa62a3328a98ddf839e04661e740cb907024d009318bdbc972c53
SSDEEP 3072:yFyOHrnNNgchKkRm8pyUDv8ZTYllt/q0ePfm/lpvSLaeG:yFyOLNNgch5k80UDGYp/mPfmdJSLa
MD5 SHA1 SHA512 SSDEEP

Submit Download

2Lg438Wc.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Lg438Wc.exe
Size 221KB
SHA256 a8f4959931614764afaf30191036a8ebe37b60e383bda2f481aa2c0f119be119
MD5 97b8ee19628a60c8656c653840c584eb
SHA1 71179bf72658adc1df55928b763c533baf0d27ca
SHA512 99dab928335004c29c3cd323aafa6986bbec5a6e3fbe634806f7179c6ac80837e8b246e1f3eaa62a3328a98ddf839e04661e740cb907024d009318bdbc972c53
SSDEEP 3072:yFyOHrnNNgchKkRm8pyUDv8ZTYllt/q0ePfm/lpvSLaeG:yFyOLNNgch5k80UDGYp/mPfmdJSLa
MD5 SHA1 SHA512 SSDEEP

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memory/476-36-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/476-37-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/476-39-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/476-35-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/2900-46-0x00000000071B0000-0x0000000007242000-memory.dmp

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memory/2900-44-0x0000000000430000-0x000000000046E000-memory.dmp

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memory/2900-45-0x00000000076C0000-0x0000000007C64000-memory.dmp

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memory/2900-43-0x0000000074010000-0x00000000747C0000-memory.dmp

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memory/2900-47-0x0000000007340000-0x0000000007350000-memory.dmp

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memory/2900-48-0x00000000073C0000-0x00000000073CA000-memory.dmp

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memory/2900-49-0x0000000008290000-0x00000000088A8000-memory.dmp

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memory/2900-50-0x0000000007560000-0x000000000766A000-memory.dmp

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memory/2900-51-0x0000000007490000-0x00000000074A2000-memory.dmp

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memory/2900-52-0x00000000074F0000-0x000000000752C000-memory.dmp

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memory/2900-53-0x0000000007670000-0x00000000076BC000-memory.dmp

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memory/2900-54-0x0000000074010000-0x00000000747C0000-memory.dmp

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memory/2900-55-0x0000000007340000-0x0000000007350000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads