mystic | 3c91163ea40ad7e35bac48ded16235cfe9003c914f570e27b4e2d7b3c9c46c05

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 19:19

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General

Target

b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9.exe
Size

1.2MB
MD5

6db2cc78302010ff4fc77c99f1480ce1
SHA1

b02cd8fccb6aa8730c4303f85a52271021328b47
SHA256

b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9
SHA512

1a932bbfc164b5d8832e347f5ed30dd796a13afde5a0d346602ffdbbfa471c3855f67b56e17719d39321f867b351748f57caf7b3653b948dbb06439c7aa7c7de
SSDEEP

24576:HybXzDvizdy5674iZqCSPHEmJ2HVVKwUbSUfkrcgC9:SbXizw5674sqVPHEmk1ch+UfkrcD

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 3 IoCs

resource	yara_rule
behavioral16/memory/364-35-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral16/memory/364-36-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral16/memory/364-38-0x0000000000400000-0x0000000000428000-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

resource	yara_rule
behavioral16/files/0x0007000000023425-40.dat	family_redline
behavioral16/memory/4792-42-0x0000000000130000-0x000000000016E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
1000	jh5Av4BZ.exe
3584	kw2ay2XF.exe
1684	Ts3pR5Hy.exe
3260	rk0Iw1JK.exe
3892	1Kh84ro2.exe
4792	2BR212iX.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_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	rk0Iw1JK.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\\\""	b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9.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\\\""	jh5Av4BZ.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\\\""	kw2ay2XF.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\\\""	Ts3pR5Hy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3892 set thread context of 364	3892	1Kh84ro2.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3136	3892	WerFault.exe	88

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1000	2396	b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9.exe	83
PID 2396 wrote to memory of 1000	2396	b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9.exe	83
PID 2396 wrote to memory of 1000	2396	b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9.exe	83
PID 1000 wrote to memory of 3584	1000	jh5Av4BZ.exe	84
PID 1000 wrote to memory of 3584	1000	jh5Av4BZ.exe	84
PID 1000 wrote to memory of 3584	1000	jh5Av4BZ.exe	84
PID 3584 wrote to memory of 1684	3584	kw2ay2XF.exe	85
PID 3584 wrote to memory of 1684	3584	kw2ay2XF.exe	85
PID 3584 wrote to memory of 1684	3584	kw2ay2XF.exe	85
PID 1684 wrote to memory of 3260	1684	Ts3pR5Hy.exe	87
PID 1684 wrote to memory of 3260	1684	Ts3pR5Hy.exe	87
PID 1684 wrote to memory of 3260	1684	Ts3pR5Hy.exe	87
PID 3260 wrote to memory of 3892	3260	rk0Iw1JK.exe	88
PID 3260 wrote to memory of 3892	3260	rk0Iw1JK.exe	88
PID 3260 wrote to memory of 3892	3260	rk0Iw1JK.exe	88
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3892 wrote to memory of 364	3892	1Kh84ro2.exe	91
PID 3260 wrote to memory of 4792	3260	rk0Iw1JK.exe	95
PID 3260 wrote to memory of 4792	3260	rk0Iw1JK.exe	95
PID 3260 wrote to memory of 4792	3260	rk0Iw1JK.exe	95

C:\Users\Admin\AppData\Local\Temp\b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9.exe
"C:\Users\Admin\AppData\Local\Temp\b59f946473d9797f3770e16ecd568aad1d0befdcf7a5c87e8f0d862bb8bacbf9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jh5Av4BZ.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jh5Av4BZ.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1000
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kw2ay2XF.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kw2ay2XF.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3584
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Ts3pR5Hy.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Ts3pR5Hy.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1684
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\rk0Iw1JK.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\rk0Iw1JK.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:3260
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Kh84ro2.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Kh84ro2.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3892
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:364
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 156
        7⤵
        Program crash
        
        PID:3136
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2BR212iX.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2BR212iX.exe
        6⤵
        Executes dropped EXE
        
        PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3892 -ip 3892
1⤵
PID:1372

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\jh5Av4BZ.exe

Filesize
1.0MB

MD5
ba324898ca93ab35cc21f0957c04deb4

SHA1
dc77519e8d673d25101f76f09f20571ed351b663

SHA256
9aa46689b81bb9f29e68247604302cdca99b1b2b481b3e1a517416bfc4c2d530

SHA512
2865209fedc3701ebb958d466d7a4a98c7a4260414482f9bfb863904e53ea3ad8d46744104b6377078a965dca841b8f8b6d8f051bbcff9d893b87d2eed11eab8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kw2ay2XF.exe

Filesize
884KB

MD5
3da83aec24833872f105e8a1bc42543e

SHA1
8b33e28219938c969c8a99c52a6eb3185f7ffe2f

SHA256
bf3c3264643e80c85478f42a3085693323ad6c155516baf3b746d41761291870

SHA512
8af5388bf3a2dbf86abb198b6d14582be65af92fede32c66a0a642b058717424dcf8e1f7b5766bf6bc7bccefe4c796986b100430756dacd86be9ef6612e36f87

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Ts3pR5Hy.exe

Filesize
590KB

MD5
78a95c8bc4ffd27ab0a1ccf61ba52de5

SHA1
8c48f8edfe6c40c7546ecf52bba0f6c24cba0126

SHA256
ec0b77c9b03212c3bfb2528ffd7abac0bac0b3aa51cd75606fd4689f3b0a5e5e

SHA512
abe39bc9427f3b12d4972dacd505df00fd78ad8afbd956313f03e5abf98f9280c89ccc53c62a34b6940bd1a592e1d87bc76982045b757f17ac49732b0eb63e46

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\rk0Iw1JK.exe

Filesize
417KB

MD5
9cc9ce8b830a7b24f3b71553c4d453f6

SHA1
ddfb61605fe8dd8abeac7a924e82063de2470062

SHA256
fc0bd9590a1e3c39bc2f729d83bdb7902ee74ff922406baf83b2f6cc6d078cd8

SHA512
5c615ff9d828ea0face9769ebfa96ca80d64d01e4a178a8b627b513e9c76eaf2526a51987aea72c9e7f5db7100cae1a0d9af22228d3c8623f28bc1fb10f26175

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Kh84ro2.exe

Filesize
378KB

MD5
9008c804db7413a3294fab34a9efb702

SHA1
91ea6043856d31eba4d5093b23896c5c56f4aa0a

SHA256
3e832e2a96a1b998fa4e94b46d6c89e1d559dc2bd1e92919309914ea722db547

SHA512
d298654672e6a0607f0e13e7a81c8c676c684eaebab8eeaf6afc9ba19fa18fe6466302c758d9d1553473cdb055ceabd73a34a8b7679966eb326d6da9d1ee242f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2BR212iX.exe

Filesize
231KB

MD5
e9c80ee002394e7f498f20a72d38f450

SHA1
e08b1f736138b82bbc12cef8376201b1951ab163

SHA256
fe47629628c41780ae929764fcbd727c75ebbd2ed61f4412caf754f7b45f13d9

SHA512
0fd139119c4ea4e758975719b5356823ab2b9d25ab6d76750809f7abc65e6b833a54688b69d40ad29b86ac6584a099c00db2b883d002ac6f88a9602270cdaccd

Download Submit
memory/364-36-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/364-38-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/364-35-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4792-42-0x0000000000130000-0x000000000016E000-memory.dmp

Filesize
248KB

Download
memory/4792-43-0x0000000007410000-0x00000000079B4000-memory.dmp

Filesize
5.6MB

Download
memory/4792-44-0x0000000006F00000-0x0000000006F92000-memory.dmp

Filesize
584KB

Download
memory/4792-45-0x00000000023A0000-0x00000000023AA000-memory.dmp

Filesize
40KB

Download
memory/4792-46-0x0000000007FE0000-0x00000000085F8000-memory.dmp

Filesize
6.1MB

Download
memory/4792-47-0x00000000072B0000-0x00000000073BA000-memory.dmp

Filesize
1.0MB

Download
memory/4792-48-0x00000000070E0000-0x00000000070F2000-memory.dmp

Filesize
72KB

Download
memory/4792-49-0x0000000007140000-0x000000000717C000-memory.dmp

Filesize
240KB

Download
memory/4792-50-0x00000000071A0000-0x00000000071EC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads