mystic | 2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6

Analysis

max time kernel
140s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2023 14:43

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General

Target

2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe
Size

789KB
MD5

ba10ad2c675635b1d54c846295c791e3
SHA1

c98d5a06ab023583b290086a8d461c538c7a7323
SHA256

2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6
SHA512

ef1ebbbabe7dd67ae1161f001c51643dd38d379ea9949d7198e5ae297d57eb9eb69e06f1a3a6beec5173971fe0ceaca3bc68d85d51e8d7c5da2f450bee8a574c
SSDEEP

24576:Fy+KV5NPnnzVIjoE7dA4+plj7F8dF3LiBcd5yjU:g+sLnnzVBE7dA4+pFw3qci

Score

10^/10

mystic redline taiga discovery infostealer persistence spyware 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/1512-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/1512-17-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/1512-20-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/1512-15-0x0000000000400000-0x0000000000433000-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/4556-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
4880	ik8rX59.exe
5096	3qo87Ry.exe
3580	6Yt3ls9.exe
1844	7dw4LU87.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

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\\\""	2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.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\\\""	ik8rX59.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5096 set thread context of 1512	5096	3qo87Ry.exe	102
PID 3580 set thread context of 4556	3580	6Yt3ls9.exe	107

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4376	1512	WerFault.exe	102

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1844	7dw4LU87.exe
1844	7dw4LU87.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 4880	1208	2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe	86
PID 1208 wrote to memory of 4880	1208	2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe	86
PID 1208 wrote to memory of 4880	1208	2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe	86
PID 4880 wrote to memory of 5096	4880	ik8rX59.exe	88
PID 4880 wrote to memory of 5096	4880	ik8rX59.exe	88
PID 4880 wrote to memory of 5096	4880	ik8rX59.exe	88
PID 5096 wrote to memory of 3760	5096	3qo87Ry.exe	101
PID 5096 wrote to memory of 3760	5096	3qo87Ry.exe	101
PID 5096 wrote to memory of 3760	5096	3qo87Ry.exe	101
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 5096 wrote to memory of 1512	5096	3qo87Ry.exe	102
PID 4880 wrote to memory of 3580	4880	ik8rX59.exe	103
PID 4880 wrote to memory of 3580	4880	ik8rX59.exe	103
PID 4880 wrote to memory of 3580	4880	ik8rX59.exe	103
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 3580 wrote to memory of 4556	3580	6Yt3ls9.exe	107
PID 1208 wrote to memory of 1844	1208	2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe	108
PID 1208 wrote to memory of 1844	1208	2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe	108
PID 1208 wrote to memory of 1844	1208	2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe	108

C:\Users\Admin\AppData\Local\Temp\2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe
"C:\Users\Admin\AppData\Local\Temp\2a85d1a473a3fbb974494144368b590ea0238e4032957055b9a44f9c374330f6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ik8rX59.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ik8rX59.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4880
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3qo87Ry.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3qo87Ry.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:5096
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3760
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1512
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 540
        5⤵
        Program crash
        
        PID:4376
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\6Yt3ls9.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\6Yt3ls9.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3580
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4556
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7dw4LU87.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7dw4LU87.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1512 -ip 1512
1⤵
PID:3032

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7dw4LU87.exe

Filesize
529KB

MD5
f5753fbbd7e5e53e6217934ec7ac9305

SHA1
fe0a1fe8e514d9538149eedb5ceb0e4b6af9dc53

SHA256
ea0b316b2303027873752d44ea1a11a63f08c85f54431954c750f844fc087f24

SHA512
4942cbe593e4cf4b1f48d8e13aebd3e7aa37f1621f98a343ebac61d72804c88cbe4f2b4c7998bf7e962af318d6a5acbe21a51c5f6ded24746e90fe4fed188d17

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7dw4LU87.exe

Filesize
529KB

MD5
f5753fbbd7e5e53e6217934ec7ac9305

SHA1
fe0a1fe8e514d9538149eedb5ceb0e4b6af9dc53

SHA256
ea0b316b2303027873752d44ea1a11a63f08c85f54431954c750f844fc087f24

SHA512
4942cbe593e4cf4b1f48d8e13aebd3e7aa37f1621f98a343ebac61d72804c88cbe4f2b4c7998bf7e962af318d6a5acbe21a51c5f6ded24746e90fe4fed188d17

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ik8rX59.exe

Filesize
426KB

MD5
7d4a69c65851eed92bb3c18a3cbbfa90

SHA1
2b96b4ca11b46405aaf634748b97168b67c1fcf8

SHA256
780c385a4a0971c375f65da31bde5d3c8b23426ce0f26b6401152786e23650ec

SHA512
4906a495b42d6671ddc28b284e5edf9be63a2e111985e48a9d07b7db4e8b8bf3b32f6a056dfbbf34749ba77836c21381a9b37a3a8b535c85a0927a31f16a8df2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ik8rX59.exe

Filesize
426KB

MD5
7d4a69c65851eed92bb3c18a3cbbfa90

SHA1
2b96b4ca11b46405aaf634748b97168b67c1fcf8

SHA256
780c385a4a0971c375f65da31bde5d3c8b23426ce0f26b6401152786e23650ec

SHA512
4906a495b42d6671ddc28b284e5edf9be63a2e111985e48a9d07b7db4e8b8bf3b32f6a056dfbbf34749ba77836c21381a9b37a3a8b535c85a0927a31f16a8df2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3qo87Ry.exe

Filesize
369KB

MD5
61a9c60d54c1c0d43ac3e950ed1bfdaa

SHA1
3eda41ab2643e08c05a2a18369510c1ed8d04837

SHA256
c88419e5aeb2a826ba9a8a3e830f0d595973a95b0d099aae7509b7ba9870a6f9

SHA512
1bdbbdc976433b1a8e4c62f076544e3224c3b7f0e43c8c933225545c13280f2ddfadd8a1e8d841ad9c7a0f5006c5d0612a7e9896cb432a23cb0c9891a9713b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3qo87Ry.exe

Filesize
369KB

MD5
61a9c60d54c1c0d43ac3e950ed1bfdaa

SHA1
3eda41ab2643e08c05a2a18369510c1ed8d04837

SHA256
c88419e5aeb2a826ba9a8a3e830f0d595973a95b0d099aae7509b7ba9870a6f9

SHA512
1bdbbdc976433b1a8e4c62f076544e3224c3b7f0e43c8c933225545c13280f2ddfadd8a1e8d841ad9c7a0f5006c5d0612a7e9896cb432a23cb0c9891a9713b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\6Yt3ls9.exe

Filesize
408KB

MD5
252184b1d2a395505e6b5632be8a4ac2

SHA1
f9014d5eda40f2668d092dfdbbfb30915e7b053e

SHA256
a1b6b221d6b59ee7fe09ec505a510a606f4efd648fde8929ba7b1eeafaba0a53

SHA512
9e4c276a85021acf84853a1c59a4797d76691a10728ab1a218a47868dca107ec693f893d04a843e6469118d8aed92e70b50eaededd32c559e4d26c42693b73d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\6Yt3ls9.exe

Filesize
408KB

MD5
252184b1d2a395505e6b5632be8a4ac2

SHA1
f9014d5eda40f2668d092dfdbbfb30915e7b053e

SHA256
a1b6b221d6b59ee7fe09ec505a510a606f4efd648fde8929ba7b1eeafaba0a53

SHA512
9e4c276a85021acf84853a1c59a4797d76691a10728ab1a218a47868dca107ec693f893d04a843e6469118d8aed92e70b50eaededd32c559e4d26c42693b73d6

Download Submit
memory/1512-17-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1512-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1512-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1512-20-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4556-30-0x0000000007C80000-0x0000000007C8A000-memory.dmp

Filesize
40KB

Download
memory/4556-26-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4556-27-0x0000000007FC0000-0x0000000008564000-memory.dmp

Filesize
5.6MB

Download
memory/4556-28-0x0000000007AB0000-0x0000000007B42000-memory.dmp

Filesize
584KB

Download
memory/4556-29-0x0000000007CF0000-0x0000000007D00000-memory.dmp

Filesize
64KB

Download
memory/4556-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4556-31-0x0000000008B90000-0x00000000091A8000-memory.dmp

Filesize
6.1MB

Download
memory/4556-32-0x0000000008570000-0x000000000867A000-memory.dmp

Filesize
1.0MB

Download
memory/4556-33-0x0000000007EB0000-0x0000000007EC2000-memory.dmp

Filesize
72KB

Download
memory/4556-34-0x0000000007F10000-0x0000000007F4C000-memory.dmp

Filesize
240KB

Download
memory/4556-35-0x0000000007F50000-0x0000000007F9C000-memory.dmp

Filesize
304KB

Download
memory/4556-36-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4556-37-0x0000000007CF0000-0x0000000007D00000-memory.dmp

Filesize
64KB

Download