mystic | 9806e5cace590529db7af0ae9f95538c7699121acdf403aa8819fcdffcf02019

Analysis

max time kernel
148s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
10/11/2023, 12:12

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General

Target
4ffc3301f880cd9f52730eb20de25982.exe
Size 522KB
Sample231110-pc6htsfd21
SHA256 9806e5cace590529db7af0ae9f95538c7699121acdf403aa8819fcdffcf02019
MD5 4ffc3301f880cd9f52730eb20de25982
SHA1 222abe2efeda6776215945634627120907184c69
SHA512 55bc81bf2fbe62f2adefa7029c58f894e9acd5d683c6c4368396424542f3290abfaea7b794fffac2945e4898f919b63c0c16b6627aaa51ad29c81bdd5bf84719
SSDEEP 12288:mMrFy90HWSZnDuYuWwqciF7eQV7Cf8HCFG6TrYb4sRjShRTI/:ry1StNZ7e0mfICFGknyjSzE
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/2580-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2580-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2580-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2580-18-0x0000000000400000-0x0000000000433000-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/3976-22-0x0000000000400000-0x000000000043C000-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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	7yV9jG46.exe

Executes dropped EXE 4 IoCs

pid	Process
3972	DY1ok04.exe
2448	1LU72yJ3.exe
4132	2ha9165.exe
4128	7yV9jG46.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\\\""	4ffc3301f880cd9f52730eb20de25982.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\\\""	DY1ok04.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 2580	2448	1LU72yJ3.exe	91
PID 4132 set thread context of 3976	4132	2ha9165.exe	97

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
2424	2580	WerFault.exe	91

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 3972	2192	4ffc3301f880cd9f52730eb20de25982.exe	86
PID 2192 wrote to memory of 3972	2192	4ffc3301f880cd9f52730eb20de25982.exe	86
PID 2192 wrote to memory of 3972	2192	4ffc3301f880cd9f52730eb20de25982.exe	86
PID 3972 wrote to memory of 2448	3972	DY1ok04.exe	88
PID 3972 wrote to memory of 2448	3972	DY1ok04.exe	88
PID 3972 wrote to memory of 2448	3972	DY1ok04.exe	88
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 2448 wrote to memory of 2580	2448	1LU72yJ3.exe	91
PID 3972 wrote to memory of 4132	3972	DY1ok04.exe	93
PID 3972 wrote to memory of 4132	3972	DY1ok04.exe	93
PID 3972 wrote to memory of 4132	3972	DY1ok04.exe	93
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 4132 wrote to memory of 3976	4132	2ha9165.exe	97
PID 2192 wrote to memory of 4128	2192	4ffc3301f880cd9f52730eb20de25982.exe	98
PID 2192 wrote to memory of 4128	2192	4ffc3301f880cd9f52730eb20de25982.exe	98
PID 2192 wrote to memory of 4128	2192	4ffc3301f880cd9f52730eb20de25982.exe	98
PID 4128 wrote to memory of 696	4128	7yV9jG46.exe	99
PID 4128 wrote to memory of 696	4128	7yV9jG46.exe	99
PID 4128 wrote to memory of 696	4128	7yV9jG46.exe	99

C:\Users\Admin\AppData\Local\Temp\4ffc3301f880cd9f52730eb20de25982.exe
"C:\Users\Admin\AppData\Local\Temp\4ffc3301f880cd9f52730eb20de25982.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DY1ok04.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DY1ok04.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3972
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LU72yJ3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LU72yJ3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2448
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2580
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 540
        5⤵
        Program crash
        
        PID:2424
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha9165.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha9165.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4132
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3976
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7yV9jG46.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7yV9jG46.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2580 -ip 2580
1⤵
PID:4728

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

7yV9jG46.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7yV9jG46.exe
Size 73KB
SHA256 8a6b326ee45afef638aa5d87ee28425ead9a23d759b4b2e44dc242272bc1abe9
MD5 0ed4dbd9834478c5efcc77b024e80f98
SHA1 c438ccb0997ed694a021026fa74117a6e8f96a3c
SHA512 90282736f40f950036d07a0a9ea84efe5d19e6b43b5afb85c89bd5c38def8d388f47b6cc71f3c1c4e8c9449d6c9b27dadbca7f7f3fe4cb46f5145e5bc6fa30de
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

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7yV9jG46.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7yV9jG46.exe
Size 73KB
SHA256 8a6b326ee45afef638aa5d87ee28425ead9a23d759b4b2e44dc242272bc1abe9
MD5 0ed4dbd9834478c5efcc77b024e80f98
SHA1 c438ccb0997ed694a021026fa74117a6e8f96a3c
SHA512 90282736f40f950036d07a0a9ea84efe5d19e6b43b5afb85c89bd5c38def8d388f47b6cc71f3c1c4e8c9449d6c9b27dadbca7f7f3fe4cb46f5145e5bc6fa30de
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

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DY1ok04.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DY1ok04.exe
Size 400KB
SHA256 54285d563d7071f134c3eb44bcc6c4c27e14dc346edc7ab12b21ed5c914b540e
MD5 806f78cfde737e04aea2755bfae7e0b4
SHA1 163f6c88c49fc24db48dcbe5f002353a8c13516e
SHA512 d071741b2c1fb64db00e2d4bdf3725c5d31145d7e6346c5b4b9918c163775939bbff27779e2621a5063859ab72d2759e862c5c5d77a11c7a2ff0172eacacd72a
SSDEEP 12288:MMrKy90Ho00EKnW7eQw7bf8HCFQpTr+N4f:eyV00EJ7ex3fICFQtPf
MD5 SHA1 SHA512 SSDEEP

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DY1ok04.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DY1ok04.exe
Size 400KB
SHA256 54285d563d7071f134c3eb44bcc6c4c27e14dc346edc7ab12b21ed5c914b540e
MD5 806f78cfde737e04aea2755bfae7e0b4
SHA1 163f6c88c49fc24db48dcbe5f002353a8c13516e
SHA512 d071741b2c1fb64db00e2d4bdf3725c5d31145d7e6346c5b4b9918c163775939bbff27779e2621a5063859ab72d2759e862c5c5d77a11c7a2ff0172eacacd72a
SSDEEP 12288:MMrKy90Ho00EKnW7eQw7bf8HCFQpTr+N4f:eyV00EJ7ex3fICFQtPf
MD5 SHA1 SHA512 SSDEEP

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1LU72yJ3.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LU72yJ3.exe
Size 319KB
SHA256 dbeb58570cd73fbddb2ec33e7e45bbb3bd9a905900be9e984ab00484b1704ad0
MD5 a508ebb6759731caba4c17d9e14b2c96
SHA1 13a7635f6b2d55624a6a2c7b819d7dcc9c08c49c
SHA512 fa000924ac9fcffddbc058a87b6a5264a9419177dd99fbd5a58979fe323ecad269a212b91ee15633d134b1f7de4286166db7d454894e7048f3652da86a1b700d
SSDEEP 6144:0MPgXtnEpBXYKE+l8ST9rEsQHOSeK9DmbB6yAcWlPpAISPr/4L:0MPgXtnGH8STyZw6yAcWdpAISPr/i
MD5 SHA1 SHA512 SSDEEP

Submit Download

1LU72yJ3.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1LU72yJ3.exe
Size 319KB
SHA256 dbeb58570cd73fbddb2ec33e7e45bbb3bd9a905900be9e984ab00484b1704ad0
MD5 a508ebb6759731caba4c17d9e14b2c96
SHA1 13a7635f6b2d55624a6a2c7b819d7dcc9c08c49c
SHA512 fa000924ac9fcffddbc058a87b6a5264a9419177dd99fbd5a58979fe323ecad269a212b91ee15633d134b1f7de4286166db7d454894e7048f3652da86a1b700d
SSDEEP 6144:0MPgXtnEpBXYKE+l8ST9rEsQHOSeK9DmbB6yAcWlPpAISPr/4L:0MPgXtnGH8STyZw6yAcWdpAISPr/i
MD5 SHA1 SHA512 SSDEEP

Submit Download

2ha9165.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha9165.exe
Size 358KB
SHA256 0234911d041fdf5283e5507d141bfaf20ad69611b7cfbda43c16d0b854bb214c
MD5 ca74e9407792e3b9fe5c064ad7d317c4
SHA1 7bda477d9e1a68c135b0929f51533519ae4613d8
SHA512 2499a6e38a6b2350a6e024db615d3e1a00f7c21170d2bb56ec9d7c33316d78650562b04dab6e390242688ffd843dce9fb8dfbff9e7e9ddf58b98e41a8f37ca76
SSDEEP 6144:UZPgXtnEpBXYKEVLY3mEpMWAsjbf/g4iLiJ3sCNzrDrKHSiSPr/4L:UZPgXtnGJ2EpMWAsfHg4iU3sazLQSPr6
MD5 SHA1 SHA512 SSDEEP

Submit Download

2ha9165.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2ha9165.exe
Size 358KB
SHA256 0234911d041fdf5283e5507d141bfaf20ad69611b7cfbda43c16d0b854bb214c
MD5 ca74e9407792e3b9fe5c064ad7d317c4
SHA1 7bda477d9e1a68c135b0929f51533519ae4613d8
SHA512 2499a6e38a6b2350a6e024db615d3e1a00f7c21170d2bb56ec9d7c33316d78650562b04dab6e390242688ffd843dce9fb8dfbff9e7e9ddf58b98e41a8f37ca76
SSDEEP 6144:UZPgXtnEpBXYKEVLY3mEpMWAsjbf/g4iLiJ3sCNzrDrKHSiSPr/4L:UZPgXtnGJ2EpMWAsfHg4iU3sazLQSPr6
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/2580-15-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2580-18-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2580-16-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2580-14-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/3976-29-0x0000000007B80000-0x0000000008124000-memory.dmp

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memory/3976-32-0x00000000076B0000-0x0000000007742000-memory.dmp

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memory/3976-33-0x0000000007680000-0x0000000007690000-memory.dmp

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memory/3976-22-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3976-28-0x0000000073B80000-0x0000000074330000-memory.dmp

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memory/3976-38-0x0000000007860000-0x000000000786A000-memory.dmp

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memory/3976-39-0x0000000008750000-0x0000000008D68000-memory.dmp

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memory/3976-40-0x0000000007A50000-0x0000000007B5A000-memory.dmp

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memory/3976-41-0x0000000007940000-0x0000000007952000-memory.dmp

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memory/3976-42-0x00000000079A0000-0x00000000079DC000-memory.dmp

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memory/3976-43-0x00000000079E0000-0x0000000007A2C000-memory.dmp

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memory/3976-44-0x0000000073B80000-0x0000000074330000-memory.dmp

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memory/3976-45-0x0000000007680000-0x0000000007690000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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