mystic | 8d94ba95d8c9e0a0bc87dd60e08f483b53dc533e1ce17d070e962dbc67f8bfa8

Analysis

max time kernel
141s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2023 01:01

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General

Target

03db981f23f561a46d67fcfbd6809620.exe
Size

511KB
MD5

03db981f23f561a46d67fcfbd6809620
SHA1

75d605263d8c15aa0c0b2a2c06ce8059a9b2dc88
SHA256

8d94ba95d8c9e0a0bc87dd60e08f483b53dc533e1ce17d070e962dbc67f8bfa8
SHA512

458873e2b5deb3b157cb19faa2f84bc5b67552c9a14a80814d8cca3c0da85083beed2a364a8a82dcefbb72d054f3b39d9bab3c39bdf2c6cc876492283f6fed8c
SSDEEP

12288:zMr3y90IWgreWGl11wd2aY8TUs2Lu0+4+wSRIFQ7OE:YyhFYl1NaYSz2LubUSa0OE

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/3012-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3012-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3012-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3012-18-0x0000000000400000-0x0000000000433000-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/4472-22-0x0000000000400000-0x000000000043C000-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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	7SZ1xh74.exe

Executes dropped EXE 4 IoCs

pid	Process
3384	iC1Jv70.exe
3844	1dM00fx3.exe
2672	2FN4658.exe
5000	7SZ1xh74.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\\\""	03db981f23f561a46d67fcfbd6809620.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\\\""	iC1Jv70.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3844 set thread context of 3012	3844	1dM00fx3.exe	92
PID 2672 set thread context of 4472	2672	2FN4658.exe	99

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
4916	3012	WerFault.exe	92

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 3384	3788	03db981f23f561a46d67fcfbd6809620.exe	87
PID 3788 wrote to memory of 3384	3788	03db981f23f561a46d67fcfbd6809620.exe	87
PID 3788 wrote to memory of 3384	3788	03db981f23f561a46d67fcfbd6809620.exe	87
PID 3384 wrote to memory of 3844	3384	iC1Jv70.exe	88
PID 3384 wrote to memory of 3844	3384	iC1Jv70.exe	88
PID 3384 wrote to memory of 3844	3384	iC1Jv70.exe	88
PID 3844 wrote to memory of 4400	3844	1dM00fx3.exe	91
PID 3844 wrote to memory of 4400	3844	1dM00fx3.exe	91
PID 3844 wrote to memory of 4400	3844	1dM00fx3.exe	91
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3844 wrote to memory of 3012	3844	1dM00fx3.exe	92
PID 3384 wrote to memory of 2672	3384	iC1Jv70.exe	94
PID 3384 wrote to memory of 2672	3384	iC1Jv70.exe	94
PID 3384 wrote to memory of 2672	3384	iC1Jv70.exe	94
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 2672 wrote to memory of 4472	2672	2FN4658.exe	99
PID 3788 wrote to memory of 5000	3788	03db981f23f561a46d67fcfbd6809620.exe	100
PID 3788 wrote to memory of 5000	3788	03db981f23f561a46d67fcfbd6809620.exe	100
PID 3788 wrote to memory of 5000	3788	03db981f23f561a46d67fcfbd6809620.exe	100
PID 5000 wrote to memory of 1560	5000	7SZ1xh74.exe	103
PID 5000 wrote to memory of 1560	5000	7SZ1xh74.exe	103
PID 5000 wrote to memory of 1560	5000	7SZ1xh74.exe	103

C:\Users\Admin\AppData\Local\Temp\03db981f23f561a46d67fcfbd6809620.exe
"C:\Users\Admin\AppData\Local\Temp\03db981f23f561a46d67fcfbd6809620.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iC1Jv70.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iC1Jv70.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3384
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1dM00fx3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1dM00fx3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3844
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4400
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3012
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 540
        5⤵
        Program crash
        
        PID:4916
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2FN4658.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2FN4658.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2672
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4472
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SZ1xh74.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SZ1xh74.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5000
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3012 -ip 3012
1⤵
PID:1716

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SZ1xh74.exe

Filesize
73KB

MD5
cf92e56980c6d6a4d2c1c9017889013a

SHA1
9fe9eafc3b0db1c96f74f2b191a98189bdddd34c

SHA256
d76a65d4b0d5d405808371c1c9a52383dea0f3bac1c367375604dc79cca61aa3

SHA512
c53119ca34e02f1967f6e9425a8d9866f6d09bc47fe5e460cb69eb31d9c46cb03800b013c7f742c453728d697464570869b3ad9a8689ffe3578c8fe2451f75e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SZ1xh74.exe

Filesize
73KB

MD5
cf92e56980c6d6a4d2c1c9017889013a

SHA1
9fe9eafc3b0db1c96f74f2b191a98189bdddd34c

SHA256
d76a65d4b0d5d405808371c1c9a52383dea0f3bac1c367375604dc79cca61aa3

SHA512
c53119ca34e02f1967f6e9425a8d9866f6d09bc47fe5e460cb69eb31d9c46cb03800b013c7f742c453728d697464570869b3ad9a8689ffe3578c8fe2451f75e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iC1Jv70.exe

Filesize
389KB

MD5
686ad7af362fcfcdff2d6379f6e56b3f

SHA1
73478289ec63042693963b7918e24bc571888488

SHA256
ad36b0731e4ab28fd47c6f64b28df115a75cd2a146e094c46729b2bf801461fb

SHA512
0261ed05694d1d6fd8419f7b15fd81bc6b61338e8235c7060811e67f9d71d50ada5ceba8a5c0b13bf4ee16ccaefded44b1e0e5e8e2573c2c4f0b8c0bf0bbe521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iC1Jv70.exe

Filesize
389KB

MD5
686ad7af362fcfcdff2d6379f6e56b3f

SHA1
73478289ec63042693963b7918e24bc571888488

SHA256
ad36b0731e4ab28fd47c6f64b28df115a75cd2a146e094c46729b2bf801461fb

SHA512
0261ed05694d1d6fd8419f7b15fd81bc6b61338e8235c7060811e67f9d71d50ada5ceba8a5c0b13bf4ee16ccaefded44b1e0e5e8e2573c2c4f0b8c0bf0bbe521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1dM00fx3.exe

Filesize
300KB

MD5
784667bb96ccb30c4cf44f2c5f493769

SHA1
28185165ab4dbbb4a139ae1af0bb6934ebe05c04

SHA256
1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

SHA512
62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1dM00fx3.exe

Filesize
300KB

MD5
784667bb96ccb30c4cf44f2c5f493769

SHA1
28185165ab4dbbb4a139ae1af0bb6934ebe05c04

SHA256
1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

SHA512
62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2FN4658.exe

Filesize
339KB

MD5
14d9834611ad581afcfea061652ff6cb

SHA1
802f964d0be7858eb2f1e7c6fcda03501fd1b71c

SHA256
e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

SHA512
cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2FN4658.exe

Filesize
339KB

MD5
14d9834611ad581afcfea061652ff6cb

SHA1
802f964d0be7858eb2f1e7c6fcda03501fd1b71c

SHA256
e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

SHA512
cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\is64.bat

Filesize
181B

MD5
225edee1d46e0a80610db26b275d72fb

SHA1
ce206abf11aaf19278b72f5021cc64b1b427b7e8

SHA256
e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559

SHA512
4f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504

Download Submit
C:\Users\Admin\AppData\Local\Temp\is64.txt

Filesize
3B

MD5
a5ea0ad9260b1550a14cc58d2c39b03d

SHA1
f0aedf295071ed34ab8c6a7692223d22b6a19841

SHA256
f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04

SHA512
7c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74

Download Submit
memory/3012-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3012-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3012-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3012-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4472-34-0x0000000007D10000-0x0000000007D1A000-memory.dmp

Filesize
40KB

Download
memory/4472-31-0x0000000007B50000-0x0000000007BE2000-memory.dmp

Filesize
584KB

Download
memory/4472-33-0x0000000007CF0000-0x0000000007D00000-memory.dmp

Filesize
64KB

Download
memory/4472-29-0x0000000008050000-0x00000000085F4000-memory.dmp

Filesize
5.6MB

Download
memory/4472-28-0x0000000074380000-0x0000000074B30000-memory.dmp

Filesize
7.7MB

Download
memory/4472-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4472-39-0x0000000008C20000-0x0000000009238000-memory.dmp

Filesize
6.1MB

Download
memory/4472-40-0x0000000008600000-0x000000000870A000-memory.dmp

Filesize
1.0MB

Download
memory/4472-41-0x0000000007DE0000-0x0000000007DF2000-memory.dmp

Filesize
72KB

Download
memory/4472-42-0x0000000007E40000-0x0000000007E7C000-memory.dmp

Filesize
240KB

Download
memory/4472-43-0x0000000007EA0000-0x0000000007EEC000-memory.dmp

Filesize
304KB

Download
memory/4472-44-0x0000000074380000-0x0000000074B30000-memory.dmp

Filesize
7.7MB

Download
memory/4472-45-0x0000000007CF0000-0x0000000007D00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads