mystic | a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98

Analysis

max time kernel
211s
max time network
230s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2023 10:29

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General

Target

NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe
Size

511KB
MD5

d5c2e053a1e27d60ee24b1cb4aef5129
SHA1

b13a4ae46c177d2e467f92e7ea5966b668da7ca7
SHA256

a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98
SHA512

90d5fd5e3a46a800368c6a61af21ed93025e193971c050187d7941a5ff0b1a98e9149cab12bf83024bf0cb888a0c61acfc26498983ee9e894638d5d3d704de34
SSDEEP

12288:1MrHy90q2/DWHvqP+wcWM6L+yY8TUs2Cux+4+wSRCFOnfGiULha:WyeSveeWn3YSz2CuEUSoM+ih

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/3120-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3120-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3120-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3120-18-0x0000000000400000-0x0000000000433000-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/3496-22-0x0000000000400000-0x000000000043C000-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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation	7EP5eS75.exe

Executes dropped EXE 4 IoCs

pid	Process
4412	wq0HD66.exe
4832	1vA21BE1.exe
4200	2VZ5714.exe
4920	7EP5eS75.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.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.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\\\""	wq0HD66.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4832 set thread context of 3120	4832	1vA21BE1.exe	92
PID 4200 set thread context of 3496	4200	2VZ5714.exe	100

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
3792	3120	WerFault.exe	92

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 4412	2552	NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe	89
PID 2552 wrote to memory of 4412	2552	NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe	89
PID 2552 wrote to memory of 4412	2552	NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe	89
PID 4412 wrote to memory of 4832	4412	wq0HD66.exe	90
PID 4412 wrote to memory of 4832	4412	wq0HD66.exe	90
PID 4412 wrote to memory of 4832	4412	wq0HD66.exe	90
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4832 wrote to memory of 3120	4832	1vA21BE1.exe	92
PID 4412 wrote to memory of 4200	4412	wq0HD66.exe	96
PID 4412 wrote to memory of 4200	4412	wq0HD66.exe	96
PID 4412 wrote to memory of 4200	4412	wq0HD66.exe	96
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 4200 wrote to memory of 3496	4200	2VZ5714.exe	100
PID 2552 wrote to memory of 4920	2552	NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe	101
PID 2552 wrote to memory of 4920	2552	NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe	101
PID 2552 wrote to memory of 4920	2552	NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe	101
PID 4920 wrote to memory of 2400	4920	7EP5eS75.exe	106
PID 4920 wrote to memory of 2400	4920	7EP5eS75.exe	106
PID 4920 wrote to memory of 2400	4920	7EP5eS75.exe	106

C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4412
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4832
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3120
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 540
        5⤵
        Program crash
        
        PID:3792
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4200
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3496
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3120 -ip 3120
1⤵
PID:2936

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\7EP5eS75.exe

Filesize
73KB

MD5
98b2d0594d55b08f15a2e80863fe3ab6

SHA1
0b3404dc0426d545c6d967ea673669130428faa1

SHA256
8c9e6e55648aa457c936106ea512e0c0d69c11a22214791f68bfdbd372ec5712

SHA512
c95ae3b62ca258f11f75af8ab8a23b002ff01ae37b63c6e132d4833df977d692a1e489f26c1d11eeee3b887a42f445aaaaadb6788ee0e954350bad3659a5d59b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe

Filesize
73KB

MD5
98b2d0594d55b08f15a2e80863fe3ab6

SHA1
0b3404dc0426d545c6d967ea673669130428faa1

SHA256
8c9e6e55648aa457c936106ea512e0c0d69c11a22214791f68bfdbd372ec5712

SHA512
c95ae3b62ca258f11f75af8ab8a23b002ff01ae37b63c6e132d4833df977d692a1e489f26c1d11eeee3b887a42f445aaaaadb6788ee0e954350bad3659a5d59b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe

Filesize
389KB

MD5
9e87fa45cb51d77f6675afc1112ed7a2

SHA1
e1b85e4b1a37062fdc825d7d26dddbbd824064b0

SHA256
0255264f5e0ad82e694fce6d56c7c3a324de652f39a5a93f9909ca13d53c5e22

SHA512
003ce7a479307f6fbd0ac89383236937b0ebcd42fb5a8c264258ba2a295c304302b61b20a822d111bc1b4c6509c602b0590efdc1333f7ee7e3cf505d78050d1b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe

Filesize
389KB

MD5
9e87fa45cb51d77f6675afc1112ed7a2

SHA1
e1b85e4b1a37062fdc825d7d26dddbbd824064b0

SHA256
0255264f5e0ad82e694fce6d56c7c3a324de652f39a5a93f9909ca13d53c5e22

SHA512
003ce7a479307f6fbd0ac89383236937b0ebcd42fb5a8c264258ba2a295c304302b61b20a822d111bc1b4c6509c602b0590efdc1333f7ee7e3cf505d78050d1b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe

Filesize
300KB

MD5
784667bb96ccb30c4cf44f2c5f493769

SHA1
28185165ab4dbbb4a139ae1af0bb6934ebe05c04

SHA256
1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

SHA512
62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe

Filesize
300KB

MD5
784667bb96ccb30c4cf44f2c5f493769

SHA1
28185165ab4dbbb4a139ae1af0bb6934ebe05c04

SHA256
1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

SHA512
62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe

Filesize
339KB

MD5
14d9834611ad581afcfea061652ff6cb

SHA1
802f964d0be7858eb2f1e7c6fcda03501fd1b71c

SHA256
e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

SHA512
cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.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/3120-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3120-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3120-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3120-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3496-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3496-30-0x00000000074D0000-0x0000000007562000-memory.dmp

Filesize
584KB

Download
memory/3496-32-0x0000000007620000-0x0000000007630000-memory.dmp

Filesize
64KB

Download
memory/3496-34-0x0000000007590000-0x000000000759A000-memory.dmp

Filesize
40KB

Download
memory/3496-35-0x0000000073850000-0x0000000074000000-memory.dmp

Filesize
7.7MB

Download
memory/3496-29-0x00000000079A0000-0x0000000007F44000-memory.dmp

Filesize
5.6MB

Download
memory/3496-28-0x0000000073850000-0x0000000074000000-memory.dmp

Filesize
7.7MB

Download
memory/3496-40-0x0000000007620000-0x0000000007630000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads