mystic | bff178b0346391e8d54f84935d8f82a485c80381ef244ef9368860d4437e7acc

Analysis

max time kernel
138s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2023 03:47

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General

Target

NEAS.95851b55bb8cf51dddaceb24717328b0.exe
Size

885KB
MD5

95851b55bb8cf51dddaceb24717328b0
SHA1

5312a50cd5fb5c7db66345e657e12c81f418a13f
SHA256

bff178b0346391e8d54f84935d8f82a485c80381ef244ef9368860d4437e7acc
SHA512

21820f05a67020321dd0621f0e04251c3695515a1f15dbf8b4559b20dce69939782e0e36528f98d1c9e2785badbd9903cf3ac01539b1783a86de69719e877524
SSDEEP

12288:aMrTy90HYyTagNx4H7E7cLGWDlvXdQw7LmbgYv/tpIRwJbHJfTJBi+HH/wXB/jZE:pyaYy74bBRvXd5ZAtp1H95nqjZh6

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/2220-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2220-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2220-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2220-20-0x0000000000400000-0x0000000000433000-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/3924-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
5096	IR0Td86.exe
4548	11ZK0843.exe
3192	12IN116.exe
2632	13vN168.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	IR0Td86.exe
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.95851b55bb8cf51dddaceb24717328b0.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4548 set thread context of 2220	4548	11ZK0843.exe	99
PID 3192 set thread context of 3924	3192	12IN116.exe	107
PID 2632 set thread context of 4120	2632	13vN168.exe	112

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4908	2220	WerFault.exe	99
3076	4120	WerFault.exe	112

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 5096	4940	NEAS.95851b55bb8cf51dddaceb24717328b0.exe	86
PID 4940 wrote to memory of 5096	4940	NEAS.95851b55bb8cf51dddaceb24717328b0.exe	86
PID 4940 wrote to memory of 5096	4940	NEAS.95851b55bb8cf51dddaceb24717328b0.exe	86
PID 5096 wrote to memory of 4548	5096	IR0Td86.exe	87
PID 5096 wrote to memory of 4548	5096	IR0Td86.exe	87
PID 5096 wrote to memory of 4548	5096	IR0Td86.exe	87
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 4548 wrote to memory of 2220	4548	11ZK0843.exe	99
PID 5096 wrote to memory of 3192	5096	IR0Td86.exe	100
PID 5096 wrote to memory of 3192	5096	IR0Td86.exe	100
PID 5096 wrote to memory of 3192	5096	IR0Td86.exe	100
PID 3192 wrote to memory of 4740	3192	12IN116.exe	106
PID 3192 wrote to memory of 4740	3192	12IN116.exe	106
PID 3192 wrote to memory of 4740	3192	12IN116.exe	106
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 3192 wrote to memory of 3924	3192	12IN116.exe	107
PID 4940 wrote to memory of 2632	4940	NEAS.95851b55bb8cf51dddaceb24717328b0.exe	108
PID 4940 wrote to memory of 2632	4940	NEAS.95851b55bb8cf51dddaceb24717328b0.exe	108
PID 4940 wrote to memory of 2632	4940	NEAS.95851b55bb8cf51dddaceb24717328b0.exe	108
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112
PID 2632 wrote to memory of 4120	2632	13vN168.exe	112

C:\Users\Admin\AppData\Local\Temp\NEAS.95851b55bb8cf51dddaceb24717328b0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.95851b55bb8cf51dddaceb24717328b0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IR0Td86.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IR0Td86.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11ZK0843.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11ZK0843.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4548
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2220
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 192
        5⤵
        Program crash
        
        PID:4908
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12IN116.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12IN116.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3192
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4740
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3924
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13vN168.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13vN168.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:4120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 1392
      4⤵
      Program crash
      PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2220 -ip 2220
1⤵
PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4120 -ip 4120
1⤵
PID:3392

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13vN168.exe

Filesize
724KB

MD5
521ff8e3c7ff4d849440a326b064da31

SHA1
17c220c0db0e9fc4ab43255f83016948306643fb

SHA256
b25d6803b1b84b428f381dd172279b46e8fd55f0c055ca76407275d359c10783

SHA512
440c0a25eb5e7048e56d89e348e7e4056a781a21ad1d22923be6c9d07a7d4824a2cc1a34a4d4bf4b38a4e8886d24c83438860a0de68fd22dff8a938a4cb2164b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13vN168.exe

Filesize
724KB

MD5
521ff8e3c7ff4d849440a326b064da31

SHA1
17c220c0db0e9fc4ab43255f83016948306643fb

SHA256
b25d6803b1b84b428f381dd172279b46e8fd55f0c055ca76407275d359c10783

SHA512
440c0a25eb5e7048e56d89e348e7e4056a781a21ad1d22923be6c9d07a7d4824a2cc1a34a4d4bf4b38a4e8886d24c83438860a0de68fd22dff8a938a4cb2164b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IR0Td86.exe

Filesize
422KB

MD5
8d0f4798e0efc08a7f047c121be980d5

SHA1
7c7d499065f6c35401dee7086eba9dd6bdffa748

SHA256
efe8825f41a339a3ec69e07882e294f220e05f60f87792a09b4aa7eb57cc8e46

SHA512
2955a1cf4837bcf1645ee204dddf1e022cce70d7564bbcf9152d00a0d45879ae2e25e6ddfc36efeed4a66186a7030db1b6a458c7267a6c870d99eddc62413642

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IR0Td86.exe

Filesize
422KB

MD5
8d0f4798e0efc08a7f047c121be980d5

SHA1
7c7d499065f6c35401dee7086eba9dd6bdffa748

SHA256
efe8825f41a339a3ec69e07882e294f220e05f60f87792a09b4aa7eb57cc8e46

SHA512
2955a1cf4837bcf1645ee204dddf1e022cce70d7564bbcf9152d00a0d45879ae2e25e6ddfc36efeed4a66186a7030db1b6a458c7267a6c870d99eddc62413642

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11ZK0843.exe

Filesize
376KB

MD5
82e7ebfb26338ae7f3e24b2d381297e8

SHA1
8406ab2f3b270c18ef0f916a55114fb082a43242

SHA256
3438e9c86d5ccbd5c9d762635fddb12655f6845ff1d681dc34a91ae7f0817f05

SHA512
5cf157877f449910e731492b679c5955f0bc5996dbc6756c7a40b1f308d00f9f2aaa3edd77a93ff8cbc9b1d0b27f7f08c4a50d41cc9696dea180179e2899bcbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11ZK0843.exe

Filesize
376KB

MD5
82e7ebfb26338ae7f3e24b2d381297e8

SHA1
8406ab2f3b270c18ef0f916a55114fb082a43242

SHA256
3438e9c86d5ccbd5c9d762635fddb12655f6845ff1d681dc34a91ae7f0817f05

SHA512
5cf157877f449910e731492b679c5955f0bc5996dbc6756c7a40b1f308d00f9f2aaa3edd77a93ff8cbc9b1d0b27f7f08c4a50d41cc9696dea180179e2899bcbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12IN116.exe

Filesize
415KB

MD5
b5fa5b983908dd660fea143b86579e2c

SHA1
7acc7fb90eccad5974a694ecdb0f036b616a280e

SHA256
20fd1eca1a7a8ff33d642952e94662a8dffa6b7d73c068462f9958c0fdfe2739

SHA512
2962f2b471033b373e600afe093b857086842f960644138b3119c37d1b637b3d7ee63688c5a3a4e085da662450ba3b200cd3705e2e930451c013026a98e8900d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12IN116.exe

Filesize
415KB

MD5
b5fa5b983908dd660fea143b86579e2c

SHA1
7acc7fb90eccad5974a694ecdb0f036b616a280e

SHA256
20fd1eca1a7a8ff33d642952e94662a8dffa6b7d73c068462f9958c0fdfe2739

SHA512
2962f2b471033b373e600afe093b857086842f960644138b3119c37d1b637b3d7ee63688c5a3a4e085da662450ba3b200cd3705e2e930451c013026a98e8900d

Download Submit
memory/2220-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2220-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2220-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2220-20-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3924-27-0x0000000007F00000-0x00000000084A4000-memory.dmp

Filesize
5.6MB

Download
memory/3924-35-0x0000000007BC0000-0x0000000007BD0000-memory.dmp

Filesize
64KB

Download
memory/3924-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3924-42-0x0000000007BC0000-0x0000000007BD0000-memory.dmp

Filesize
64KB

Download
memory/3924-41-0x0000000007E90000-0x0000000007EDC000-memory.dmp

Filesize
304KB

Download
memory/3924-30-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3924-40-0x0000000007E50000-0x0000000007E8C000-memory.dmp

Filesize
240KB

Download
memory/3924-39-0x0000000007DF0000-0x0000000007E02000-memory.dmp

Filesize
72KB

Download
memory/3924-34-0x0000000007A30000-0x0000000007AC2000-memory.dmp

Filesize
584KB

Download
memory/3924-26-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3924-36-0x0000000007B00000-0x0000000007B0A000-memory.dmp

Filesize
40KB

Download
memory/3924-37-0x0000000008AD0000-0x00000000090E8000-memory.dmp

Filesize
6.1MB

Download
memory/3924-38-0x00000000084B0000-0x00000000085BA000-memory.dmp

Filesize
1.0MB

Download
memory/4120-33-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4120-31-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4120-29-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4120-28-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads