mystic | 60aeb9d314969e4ab8acf4425cbfc680a537ee247b2b6aec84c4dc5ef9025b78

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
09/11/2023, 21:32

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General

Target
file.exe
Size 511KB
Sample231109-1dletsff25
SHA256 60aeb9d314969e4ab8acf4425cbfc680a537ee247b2b6aec84c4dc5ef9025b78
MD5 1f97dcd392862697d1a768bc1f704f3f
SHA1 35e584af8b8f98dc1ab4505a27a293e9c519e42d
SHA512 b230c2efe3a447501d331df1eb75bc3b7777b2e2d9abb17103c2ad86581d3604284cfcb39eba3f35284dd055f9467a34e0cdbb75c4d9d2081db9be2e17e00308
SSDEEP 12288:SMrEy90IBJ915doOwDIrY8TUs2kuT+4+wSRYFsrXqPRq9:2ybzYSz2ku6USSmTqZq9
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/4876-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/4876-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/4876-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/4876-18-0x0000000000400000-0x0000000000433000-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/2824-22-0x0000000000400000-0x000000000043C000-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	5vm39eM.exe

Executes dropped EXE 4 IoCs

pid	Process
1088	Yr2Bc48.exe
2224	3zz634Me.exe
3860	4SO9ad8.exe
3744	5vm39eM.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\\\""	Yr2Bc48.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 4876	2224	3zz634Me.exe	87
PID 3860 set thread context of 2824	3860	4SO9ad8.exe	93

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
892	4876	WerFault.exe	87

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 1088	3564	file.exe	84
PID 3564 wrote to memory of 1088	3564	file.exe	84
PID 3564 wrote to memory of 1088	3564	file.exe	84
PID 1088 wrote to memory of 2224	1088	Yr2Bc48.exe	85
PID 1088 wrote to memory of 2224	1088	Yr2Bc48.exe	85
PID 1088 wrote to memory of 2224	1088	Yr2Bc48.exe	85
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 2224 wrote to memory of 4876	2224	3zz634Me.exe	87
PID 1088 wrote to memory of 3860	1088	Yr2Bc48.exe	89
PID 1088 wrote to memory of 3860	1088	Yr2Bc48.exe	89
PID 1088 wrote to memory of 3860	1088	Yr2Bc48.exe	89
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3860 wrote to memory of 2824	3860	4SO9ad8.exe	93
PID 3564 wrote to memory of 3744	3564	file.exe	96
PID 3564 wrote to memory of 3744	3564	file.exe	96
PID 3564 wrote to memory of 3744	3564	file.exe	96
PID 3744 wrote to memory of 3100	3744	5vm39eM.exe	97
PID 3744 wrote to memory of 3100	3744	5vm39eM.exe	97
PID 3744 wrote to memory of 3100	3744	5vm39eM.exe	97

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:3564
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yr2Bc48.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yr2Bc48.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3zz634Me.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3zz634Me.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4876
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 540
        5⤵
        Program crash
        
        PID:892
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4SO9ad8.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4SO9ad8.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3860
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2824
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5vm39eM.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5vm39eM.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3744
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4876 -ip 4876
1⤵
PID:4552

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

5vm39eM.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5vm39eM.exe
Size 73KB
SHA256 822de1f6882dcc85c0b7e75691049d383b40eb2385620836196e3e73799db221
MD5 fdc1edd8adbacec4078c92823ca11f7c
SHA1 ace9d8d08c218e4ba5e4e9a089e6012864ee6b8f
SHA512 5dbb08bc118c55d25070c16cfc6d1d57981732b884bb48b8b689cd91970956c606b3ffd8c856f287a44bae0a0b45ea05aa795e277fa5fb490994bcb7b35d07f4
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

5vm39eM.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5vm39eM.exe
Size 73KB
SHA256 822de1f6882dcc85c0b7e75691049d383b40eb2385620836196e3e73799db221
MD5 fdc1edd8adbacec4078c92823ca11f7c
SHA1 ace9d8d08c218e4ba5e4e9a089e6012864ee6b8f
SHA512 5dbb08bc118c55d25070c16cfc6d1d57981732b884bb48b8b689cd91970956c606b3ffd8c856f287a44bae0a0b45ea05aa795e277fa5fb490994bcb7b35d07f4
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

Yr2Bc48.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yr2Bc48.exe
Size 389KB
SHA256 a4ef17d33c477af8f337a74404af15d05d4935f0b039c3a38db53bb456e02449
MD5 32b3f9091a07a3984c81a2e661518bf5
SHA1 197c06491640d1244bb859d1f4ffa150414469da
SHA512 d1ed2f49d8b9b4ee27e9d8864dfa610777fb5557d51d2febef1feccdf2ac1e0b639b331a206a23906ee457898cae60d4a8bad7ab226e8ac1db3938902b7c7291
SSDEEP 12288:XMrjy90fFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Fw:kyiFeSDM3YRz2WuHUSooI043qw
MD5 SHA1 SHA512 SSDEEP

Submit Download

Yr2Bc48.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yr2Bc48.exe
Size 389KB
SHA256 a4ef17d33c477af8f337a74404af15d05d4935f0b039c3a38db53bb456e02449
MD5 32b3f9091a07a3984c81a2e661518bf5
SHA1 197c06491640d1244bb859d1f4ffa150414469da
SHA512 d1ed2f49d8b9b4ee27e9d8864dfa610777fb5557d51d2febef1feccdf2ac1e0b639b331a206a23906ee457898cae60d4a8bad7ab226e8ac1db3938902b7c7291
SSDEEP 12288:XMrjy90fFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Fw:kyiFeSDM3YRz2WuHUSooI043qw
MD5 SHA1 SHA512 SSDEEP

Submit Download

3zz634Me.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3zz634Me.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

3zz634Me.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3zz634Me.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

4SO9ad8.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4SO9ad8.exe
Size 339KB
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
SSDEEP 6144:0Gj04eA5qag/twYGi1AgAvoJqu4oAFQtEN2Vorg/pz:0Gj04eVCtvoJqu8FQGN2Wrg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

4SO9ad8.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4SO9ad8.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

is64.txt

Path C:\Users\Admin\AppData\Local\Temp\is64.txt
Size 3B
SHA256 f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04
MD5 a5ea0ad9260b1550a14cc58d2c39b03d
SHA1 f0aedf295071ed34ab8c6a7692223d22b6a19841
SHA512 7c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74
MD5 SHA1 SHA512

Submit Download

memory/2824-34-0x0000000007540000-0x000000000754A000-memory.dmp

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memory/2824-22-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2824-45-0x00000000076E0000-0x00000000076F0000-memory.dmp

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memory/2824-28-0x0000000074230000-0x00000000749E0000-memory.dmp

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memory/2824-29-0x0000000007A10000-0x0000000007FB4000-memory.dmp

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memory/2824-31-0x0000000007460000-0x00000000074F2000-memory.dmp

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memory/2824-33-0x00000000076E0000-0x00000000076F0000-memory.dmp

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memory/2824-44-0x0000000074230000-0x00000000749E0000-memory.dmp

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memory/2824-43-0x0000000007910000-0x000000000795C000-memory.dmp

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memory/2824-39-0x00000000085E0000-0x0000000008BF8000-memory.dmp

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memory/2824-42-0x0000000007780000-0x00000000077BC000-memory.dmp

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memory/2824-40-0x0000000007800000-0x000000000790A000-memory.dmp

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memory/2824-41-0x0000000007720000-0x0000000007732000-memory.dmp

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memory/4876-14-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/4876-16-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/4876-18-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/4876-15-0x0000000000400000-0x0000000000433000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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