mystic | 35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a

Analysis

max time kernel
138s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
10/11/2023, 10:02

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General

Target
file.exe
Size 511KB
Sample231110-l2rt7aee8x
SHA256 35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a
MD5 db1259b1ce3a588a3b3ac6f44ae3bb2e
SHA1 f02b3b97409ee639e85018d13eba138ab8fedefb
SHA512 7dcaceb476a5fe517ed3c111147d581eba01f9057d4cb31ef7f5b904cf2ce6d8a53c0e02aa5272e23f9df4bf5a7b0f2a71fdc03a84c7b9c05fb442214180fe4f
SSDEEP 12288:SMr9y90Tc0i/V90LxwpW8Y8TUs2MuX+4+wSR9FCV9f8XOT:Xy0Nl8YSz2MuuUS3af9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

mystic redline taiga infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

taiga

5.42.92.51:19057

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/3828-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3828-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3828-17-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3828-20-0x0000000000400000-0x0000000000433000-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 1 IoCs

resource	yara_rule
behavioral1/memory/3404-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_redline

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	5mz92dw.exe

Executes dropped EXE 4 IoCs

pid	Process
4512	eH2gj84.exe
2888	3gq263fx.exe
1352	4wL3cn9.exe
1864	5mz92dw.exe

Adds Run key to start application 2 TTPs 2 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\\\""	file.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\\\""	eH2gj84.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 3828	2888	3gq263fx.exe	87
PID 1352 set thread context of 3404	1352	4wL3cn9.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5104	3828	WerFault.exe	87

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4512	4796	file.exe	84
PID 4796 wrote to memory of 4512	4796	file.exe	84
PID 4796 wrote to memory of 4512	4796	file.exe	84
PID 4512 wrote to memory of 2888	4512	eH2gj84.exe	85
PID 4512 wrote to memory of 2888	4512	eH2gj84.exe	85
PID 4512 wrote to memory of 2888	4512	eH2gj84.exe	85
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 2888 wrote to memory of 3828	2888	3gq263fx.exe	87
PID 4512 wrote to memory of 1352	4512	eH2gj84.exe	89
PID 4512 wrote to memory of 1352	4512	eH2gj84.exe	89
PID 4512 wrote to memory of 1352	4512	eH2gj84.exe	89
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 1352 wrote to memory of 3404	1352	4wL3cn9.exe	94
PID 4796 wrote to memory of 1864	4796	file.exe	96
PID 4796 wrote to memory of 1864	4796	file.exe	96
PID 4796 wrote to memory of 1864	4796	file.exe	96
PID 1864 wrote to memory of 3684	1864	5mz92dw.exe	98
PID 1864 wrote to memory of 3684	1864	5mz92dw.exe	98
PID 1864 wrote to memory of 3684	1864	5mz92dw.exe	98

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2888
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3828
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 540
        5⤵
        Program crash
        
        PID:5104
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1352
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3404
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3828 -ip 3828
1⤵
PID:3944

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

5mz92dw.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe
Size 73KB
SHA256 a43f7c878dbad73a75295d740c5a872793288531452d157fae67f9ef24fc1622
MD5 0783f7eebb467e53bf230841e814a44a
SHA1 1f65a8b932f99c29f6e943938bc0664ad09b0d87
SHA512 75f841446a9d1f3019c6ed474df393f06547a66ec65d77fd149331a48231bfb79cbc6defb69b0265ae97190ec0bdd1cfa1030ce818ddcc2573d41f6f2e7ed266
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

5mz92dw.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe
Size 73KB
SHA256 a43f7c878dbad73a75295d740c5a872793288531452d157fae67f9ef24fc1622
MD5 0783f7eebb467e53bf230841e814a44a
SHA1 1f65a8b932f99c29f6e943938bc0664ad09b0d87
SHA512 75f841446a9d1f3019c6ed474df393f06547a66ec65d77fd149331a48231bfb79cbc6defb69b0265ae97190ec0bdd1cfa1030ce818ddcc2573d41f6f2e7ed266
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

eH2gj84.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe
Size 389KB
SHA256 5d91e5d21ba81c565c178f9d54e545f6a79dab3f97f31f2249addbf8f1d80a3b
MD5 2cf77ce37e5be7305da8d9899478ba8a
SHA1 b6012947abccb63b621913b8a65b8c3415515e37
SHA512 afc602cf001afb314c1b087528a148bb1809c3db0fe201008f31ea95bd0f7e059e39e51be3ffdc7909f5124741ee3677748647e5dfea9ff046aa18cef03f06ec
SSDEEP 12288:dMr/y90LFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Fk:yyyFeSDM3YRz2WuHUSooI043qk
MD5 SHA1 SHA512 SSDEEP

Submit Download

eH2gj84.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe
Size 389KB
SHA256 5d91e5d21ba81c565c178f9d54e545f6a79dab3f97f31f2249addbf8f1d80a3b
MD5 2cf77ce37e5be7305da8d9899478ba8a
SHA1 b6012947abccb63b621913b8a65b8c3415515e37
SHA512 afc602cf001afb314c1b087528a148bb1809c3db0fe201008f31ea95bd0f7e059e39e51be3ffdc7909f5124741ee3677748647e5dfea9ff046aa18cef03f06ec
SSDEEP 12288:dMr/y90LFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Fk:yyyFeSDM3YRz2WuHUSooI043qk
MD5 SHA1 SHA512 SSDEEP

Submit Download

3gq263fx.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

3gq263fx.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

4wL3cn9.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe
Size 339KB
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
SSDEEP 6144:0Gj04eA5qag/twYGi1AgAvoJqu4oAFQtEN2Vorg/pz:0Gj04eVCtvoJqu8FQGN2Wrg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

4wL3cn9.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe
Size 339KB
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
SSDEEP 6144:0Gj04eA5qag/twYGi1AgAvoJqu4oAFQtEN2Vorg/pz:0Gj04eVCtvoJqu8FQGN2Wrg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

is64.bat

Path C:\Users\Admin\AppData\Local\Temp\is64.bat
Size 181B
SHA256 e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559
MD5 225edee1d46e0a80610db26b275d72fb
SHA1 ce206abf11aaf19278b72f5021cc64b1b427b7e8
SHA512 4f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504
MD5 SHA1 SHA512

Submit Download

memory/3404-34-0x00000000073C0000-0x00000000073CA000-memory.dmp

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memory/3404-22-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3404-45-0x00000000073D0000-0x00000000073E0000-memory.dmp

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memory/3404-28-0x0000000073EC0000-0x0000000074670000-memory.dmp

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memory/3404-29-0x00000000076F0000-0x0000000007C94000-memory.dmp

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memory/3404-31-0x0000000007220000-0x00000000072B2000-memory.dmp

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memory/3404-33-0x00000000073D0000-0x00000000073E0000-memory.dmp

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memory/3404-44-0x0000000073EC0000-0x0000000074670000-memory.dmp

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memory/3404-43-0x0000000007690000-0x00000000076DC000-memory.dmp

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memory/3404-39-0x00000000082C0000-0x00000000088D8000-memory.dmp

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memory/3404-42-0x0000000007650000-0x000000000768C000-memory.dmp

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memory/3404-40-0x0000000007CA0000-0x0000000007DAA000-memory.dmp

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memory/3404-41-0x00000000075F0000-0x0000000007602000-memory.dmp

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memory/3828-14-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/3828-17-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/3828-20-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/3828-15-0x0000000000400000-0x0000000000433000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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