mystic | b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af

Analysis

max time kernel
139s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
11/11/2023, 10:52

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General

Target

NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe
Size

511KB
MD5

82a39da2e0c4f539c528ff4223604012
SHA1

2835e304c65a87640c793d4ac905987b48c696f3
SHA256

b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af
SHA512

6960c4109c2c9cdf73468fe3b1cc8485145a380f07d45834d0d9efe9a16524c53078f92db0b865f3be10c3cb2ce58a8a25820842cced83633cae1482bcc65ee8
SSDEEP

12288:dMrty90TubnndWqUWEyGfwDI2PaY8TUs2EuX+4+wSRHF5TMTOKra:wy/Mk2YSz2EuuUSlnEOKra

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/2132-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2132-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2132-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2132-18-0x0000000000400000-0x0000000000433000-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/2416-22-0x0000000000400000-0x000000000043C000-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	7IV4go97.exe

Executes dropped EXE 4 IoCs

pid	Process
4104	PO3by23.exe
3524	1Rj30hW4.exe
1644	2vJ1617.exe
4328	7IV4go97.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\\\""	NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.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\\\""	PO3by23.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3524 set thread context of 2132	3524	1Rj30hW4.exe	92
PID 1644 set thread context of 2416	1644	2vJ1617.exe	98

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
1376	2132	WerFault.exe	92

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 4104	4428	NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe	88
PID 4428 wrote to memory of 4104	4428	NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe	88
PID 4428 wrote to memory of 4104	4428	NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe	88
PID 4104 wrote to memory of 3524	4104	PO3by23.exe	89
PID 4104 wrote to memory of 3524	4104	PO3by23.exe	89
PID 4104 wrote to memory of 3524	4104	PO3by23.exe	89
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 3524 wrote to memory of 2132	3524	1Rj30hW4.exe	92
PID 4104 wrote to memory of 1644	4104	PO3by23.exe	94
PID 4104 wrote to memory of 1644	4104	PO3by23.exe	94
PID 4104 wrote to memory of 1644	4104	PO3by23.exe	94
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 1644 wrote to memory of 2416	1644	2vJ1617.exe	98
PID 4428 wrote to memory of 4328	4428	NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe	99
PID 4428 wrote to memory of 4328	4428	NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe	99
PID 4428 wrote to memory of 4328	4428	NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe	99
PID 4328 wrote to memory of 1300	4328	7IV4go97.exe	100
PID 4328 wrote to memory of 1300	4328	7IV4go97.exe	100
PID 4328 wrote to memory of 1300	4328	7IV4go97.exe	100

C:\Users\Admin\AppData\Local\Temp\NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PO3by23.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PO3by23.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4104
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Rj30hW4.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Rj30hW4.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3524
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2132
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 540
        5⤵
        Program crash
        
        PID:1376
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vJ1617.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vJ1617.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1644
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2416
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7IV4go97.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7IV4go97.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4328
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:1300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2132 -ip 2132
1⤵
PID:3272

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\7IV4go97.exe

Filesize
73KB

MD5
386101efdace92e1d100cf8505bfd0ae

SHA1
daf913abaf3c4554d786e87e20fb44f8a426687e

SHA256
3e68e1f88bc239884e243969b11fa9d0a2801503f2c04e0ee9b792e030ed5776

SHA512
8cceed70b92cf39a17404851d2606ca66f591375e6ee6be9b9fe13a33bdbf86b16e568cac0f537a450477f35f20bc97ea26d229dfa74c518037910f13e7570da

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7IV4go97.exe

Filesize
73KB

MD5
386101efdace92e1d100cf8505bfd0ae

SHA1
daf913abaf3c4554d786e87e20fb44f8a426687e

SHA256
3e68e1f88bc239884e243969b11fa9d0a2801503f2c04e0ee9b792e030ed5776

SHA512
8cceed70b92cf39a17404851d2606ca66f591375e6ee6be9b9fe13a33bdbf86b16e568cac0f537a450477f35f20bc97ea26d229dfa74c518037910f13e7570da

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PO3by23.exe

Filesize
389KB

MD5
53c8592e979faaf3ab35ce642065697c

SHA1
bb7c595c64196e5cc4473f5ae6fcdd0fad01dfe6

SHA256
0a288325e067550eb47428c111be86a586cc8c1e0dff31945fbec8ac52d636e0

SHA512
66477e82202ebed47e19915d48c1219463615842450d9788f904d7005dc4e8634891d7d964cda342724685f8e8004e1966e2163e480aaafe6312f5fc2e0be522

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PO3by23.exe

Filesize
389KB

MD5
53c8592e979faaf3ab35ce642065697c

SHA1
bb7c595c64196e5cc4473f5ae6fcdd0fad01dfe6

SHA256
0a288325e067550eb47428c111be86a586cc8c1e0dff31945fbec8ac52d636e0

SHA512
66477e82202ebed47e19915d48c1219463615842450d9788f904d7005dc4e8634891d7d964cda342724685f8e8004e1966e2163e480aaafe6312f5fc2e0be522

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Rj30hW4.exe

Filesize
300KB

MD5
784667bb96ccb30c4cf44f2c5f493769

SHA1
28185165ab4dbbb4a139ae1af0bb6934ebe05c04

SHA256
1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

SHA512
62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Rj30hW4.exe

Filesize
300KB

MD5
784667bb96ccb30c4cf44f2c5f493769

SHA1
28185165ab4dbbb4a139ae1af0bb6934ebe05c04

SHA256
1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

SHA512
62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vJ1617.exe

Filesize
339KB

MD5
14d9834611ad581afcfea061652ff6cb

SHA1
802f964d0be7858eb2f1e7c6fcda03501fd1b71c

SHA256
e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

SHA512
cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vJ1617.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/2132-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2132-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2132-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2132-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2416-30-0x00000000078C0000-0x0000000007E64000-memory.dmp

Filesize
5.6MB

Download
memory/2416-32-0x0000000007310000-0x00000000073A2000-memory.dmp

Filesize
584KB

Download
memory/2416-33-0x00000000074A0000-0x00000000074B0000-memory.dmp

Filesize
64KB

Download
memory/2416-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2416-28-0x0000000073BE0000-0x0000000074390000-memory.dmp

Filesize
7.7MB

Download
memory/2416-38-0x0000000007510000-0x000000000751A000-memory.dmp

Filesize
40KB

Download
memory/2416-39-0x0000000008490000-0x0000000008AA8000-memory.dmp

Filesize
6.1MB

Download
memory/2416-40-0x0000000007790000-0x000000000789A000-memory.dmp

Filesize
1.0MB

Download
memory/2416-41-0x00000000075E0000-0x00000000075F2000-memory.dmp

Filesize
72KB

Download
memory/2416-42-0x0000000007680000-0x00000000076BC000-memory.dmp

Filesize
240KB

Download
memory/2416-43-0x0000000007610000-0x000000000765C000-memory.dmp

Filesize
304KB

Download
memory/2416-44-0x0000000073BE0000-0x0000000074390000-memory.dmp

Filesize
7.7MB

Download
memory/2416-45-0x00000000074A0000-0x00000000074B0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads