mystic | 78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2023, 12:34

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General

Target

NEAS.78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915_JC.exe
Size

1.2MB
MD5

abb7f8218366424a14a301054fc2ed57
SHA1

7f4884c03fa7103606b7ae4e2b90b1d2f133c6de
SHA256

78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915
SHA512

272a0dfe6d314f0c0d11b294e61ca295487883b2efea846182ed486d62463bfa26a315ee964d1591a91bdd69c8118ca5125cec6a1b9ed0fdc20e525a278ef947
SSDEEP

24576:jymuXXxHJ27jd+Rdmkr84+TVkhuBFTj+x3Cmo5bpr1gEJ2:2mun727R+vrr9A+xymGpr1P

Score

10^/10

mystic redline gigant infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gigant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral2/memory/4624-35-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4624-36-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4624-37-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4624-39-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic

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 3 IoCs

resource	yara_rule
behavioral2/files/0x00070000000230b9-41.dat	family_redline
behavioral2/files/0x00070000000230b9-42.dat	family_redline
behavioral2/memory/2552-44-0x0000000000270000-0x00000000002AE000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
1632	Yd0ce7ny.exe
4608	qY5EC2RY.exe
1720	lm7yb0Gr.exe
820	pp7ke4xk.exe
4024	1Ac90eU7.exe
2552	2MV608TZ.exe

Adds Run key to start application 2 TTPs 5 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.78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915_JC.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\\\""	Yd0ce7ny.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	qY5EC2RY.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	lm7yb0Gr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	pp7ke4xk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4024 set thread context of 4624	4024	1Ac90eU7.exe	95

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1724	4024	WerFault.exe	92
1316	4624	WerFault.exe	95

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 1632	3732	NEAS.78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915_JC.exe	86
PID 3732 wrote to memory of 1632	3732	NEAS.78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915_JC.exe	86
PID 3732 wrote to memory of 1632	3732	NEAS.78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915_JC.exe	86
PID 1632 wrote to memory of 4608	1632	Yd0ce7ny.exe	87
PID 1632 wrote to memory of 4608	1632	Yd0ce7ny.exe	87
PID 1632 wrote to memory of 4608	1632	Yd0ce7ny.exe	87
PID 4608 wrote to memory of 1720	4608	qY5EC2RY.exe	88
PID 4608 wrote to memory of 1720	4608	qY5EC2RY.exe	88
PID 4608 wrote to memory of 1720	4608	qY5EC2RY.exe	88
PID 1720 wrote to memory of 820	1720	lm7yb0Gr.exe	91
PID 1720 wrote to memory of 820	1720	lm7yb0Gr.exe	91
PID 1720 wrote to memory of 820	1720	lm7yb0Gr.exe	91
PID 820 wrote to memory of 4024	820	pp7ke4xk.exe	92
PID 820 wrote to memory of 4024	820	pp7ke4xk.exe	92
PID 820 wrote to memory of 4024	820	pp7ke4xk.exe	92
PID 4024 wrote to memory of 3860	4024	1Ac90eU7.exe	94
PID 4024 wrote to memory of 3860	4024	1Ac90eU7.exe	94
PID 4024 wrote to memory of 3860	4024	1Ac90eU7.exe	94
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 4024 wrote to memory of 4624	4024	1Ac90eU7.exe	95
PID 820 wrote to memory of 2552	820	pp7ke4xk.exe	100
PID 820 wrote to memory of 2552	820	pp7ke4xk.exe	100
PID 820 wrote to memory of 2552	820	pp7ke4xk.exe	100

C:\Users\Admin\AppData\Local\Temp\NEAS.78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.78c241ee205336f9ce449c104b1ea7608d71c8489aa07f4f55a84ae6d27ce915_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yd0ce7ny.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yd0ce7ny.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qY5EC2RY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qY5EC2RY.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\lm7yb0Gr.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\lm7yb0Gr.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1720
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pp7ke4xk.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pp7ke4xk.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:820
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ac90eU7.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ac90eU7.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4024
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:3860
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:4624
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 540
        8⤵
        Program crash
        
        PID:1316
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 140
        7⤵
        Program crash
        
        PID:1724
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2MV608TZ.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2MV608TZ.exe
        6⤵
        Executes dropped EXE
        
        PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4024 -ip 4024
1⤵
PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4624 -ip 4624
1⤵
PID:4036

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\Yd0ce7ny.exe

Filesize
1.0MB

MD5
a1c095e45a0b6da572598ef9c33f6089

SHA1
e4bdb84695b0a9db2794c26564f6b3639265dcec

SHA256
3dafd1c231623b4b65d76c167a8d92704983238cb4aed68a779360d8ef05123b

SHA512
5a3c7b5b341acba103a323ea4478e2aac17d253505025b1e4a8ecdb261832374056bd929e0deae15bd07a20480b5df448d06e511ac3b5895709d852698bc700e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yd0ce7ny.exe

Filesize
1.0MB

MD5
a1c095e45a0b6da572598ef9c33f6089

SHA1
e4bdb84695b0a9db2794c26564f6b3639265dcec

SHA256
3dafd1c231623b4b65d76c167a8d92704983238cb4aed68a779360d8ef05123b

SHA512
5a3c7b5b341acba103a323ea4478e2aac17d253505025b1e4a8ecdb261832374056bd929e0deae15bd07a20480b5df448d06e511ac3b5895709d852698bc700e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qY5EC2RY.exe

Filesize
884KB

MD5
ad819fd2029df5dd620823ced7b665b6

SHA1
006a40c51bb81393ddc1b783094bbab02bdea40b

SHA256
7046ce53a440d1b8b0d6e66b8318be07fbeb7247f7763edc9a80b4daf9b01bd5

SHA512
75581eb0b5eb76bcbf813eb6e28a513fad3e10f6bef6c337ee72e7d7fb115539ef33d94ea16f6caade4e134042604db300edd6d819f6d6bef5f0108832889aa5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qY5EC2RY.exe

Filesize
884KB

MD5
ad819fd2029df5dd620823ced7b665b6

SHA1
006a40c51bb81393ddc1b783094bbab02bdea40b

SHA256
7046ce53a440d1b8b0d6e66b8318be07fbeb7247f7763edc9a80b4daf9b01bd5

SHA512
75581eb0b5eb76bcbf813eb6e28a513fad3e10f6bef6c337ee72e7d7fb115539ef33d94ea16f6caade4e134042604db300edd6d819f6d6bef5f0108832889aa5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\lm7yb0Gr.exe

Filesize
590KB

MD5
6ff6f59572e911314649d156c6548097

SHA1
9d05079ae5f8c2b84067a794e604ac8058daba79

SHA256
ffe72c96ccd0a4387ccd3de954dd570103ef02596f61522622e2f064d44100fb

SHA512
1503a6278bdbfb778e58842c0c793da7c604ddc4bd172809571880cd60b06b243c61e53596464fc5b9869418f3082c768e7a67270c21cf553cce35dcbf271166

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\lm7yb0Gr.exe

Filesize
590KB

MD5
6ff6f59572e911314649d156c6548097

SHA1
9d05079ae5f8c2b84067a794e604ac8058daba79

SHA256
ffe72c96ccd0a4387ccd3de954dd570103ef02596f61522622e2f064d44100fb

SHA512
1503a6278bdbfb778e58842c0c793da7c604ddc4bd172809571880cd60b06b243c61e53596464fc5b9869418f3082c768e7a67270c21cf553cce35dcbf271166

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pp7ke4xk.exe

Filesize
417KB

MD5
b81c6566a86ba4a9e4306c26e5baa9c8

SHA1
779b73cfedf3b57a76f864f1627aa0d29c794419

SHA256
0febaf03222ad3abf0405f14154ae39df890f6bb73d6ad97bfe55901f9bdc434

SHA512
a7321204f4125e40a2919f0a9db48493e52105eba6d408f5c0f495493e5bfe0a5a924f44b7d95899a21c0d0f6a4d7300c4fbd121477b49e9555ef8b3656002ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pp7ke4xk.exe

Filesize
417KB

MD5
b81c6566a86ba4a9e4306c26e5baa9c8

SHA1
779b73cfedf3b57a76f864f1627aa0d29c794419

SHA256
0febaf03222ad3abf0405f14154ae39df890f6bb73d6ad97bfe55901f9bdc434

SHA512
a7321204f4125e40a2919f0a9db48493e52105eba6d408f5c0f495493e5bfe0a5a924f44b7d95899a21c0d0f6a4d7300c4fbd121477b49e9555ef8b3656002ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ac90eU7.exe

Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ac90eU7.exe

Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2MV608TZ.exe

Filesize
231KB

MD5
b5198d0881cbc6675de0d05fcbbd356d

SHA1
9c17c52f163b538f7cdd5fe93116fd5bd1d925bd

SHA256
2a858f8b24732a5d84ff4f7fa0967e91f2c402ea5b6faeb8da76323834ea8c7c

SHA512
32c605e0bf60658a89763063fe80dcbe836cc36964400002f7096f7c5d713460a64a6e871046bc3eb5db9ae53827ed29626ab860a94186dfe74202811b3201d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2MV608TZ.exe

Filesize
231KB

MD5
b5198d0881cbc6675de0d05fcbbd356d

SHA1
9c17c52f163b538f7cdd5fe93116fd5bd1d925bd

SHA256
2a858f8b24732a5d84ff4f7fa0967e91f2c402ea5b6faeb8da76323834ea8c7c

SHA512
32c605e0bf60658a89763063fe80dcbe836cc36964400002f7096f7c5d713460a64a6e871046bc3eb5db9ae53827ed29626ab860a94186dfe74202811b3201d2

Download Submit
memory/2552-46-0x0000000007070000-0x0000000007102000-memory.dmp

Filesize
584KB

Download
memory/2552-48-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/2552-55-0x0000000007230000-0x0000000007240000-memory.dmp

Filesize
64KB

Download
memory/2552-54-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/2552-43-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/2552-44-0x0000000000270000-0x00000000002AE000-memory.dmp

Filesize
248KB

Download
memory/2552-45-0x0000000007620000-0x0000000007BC4000-memory.dmp

Filesize
5.6MB

Download
memory/2552-53-0x00000000074B0000-0x00000000074FC000-memory.dmp

Filesize
304KB

Download
memory/2552-52-0x0000000007320000-0x000000000735C000-memory.dmp

Filesize
240KB

Download
memory/2552-49-0x00000000081F0000-0x0000000008808000-memory.dmp

Filesize
6.1MB

Download
memory/2552-47-0x0000000007230000-0x0000000007240000-memory.dmp

Filesize
64KB

Download
memory/2552-50-0x00000000073A0000-0x00000000074AA000-memory.dmp

Filesize
1.0MB

Download
memory/2552-51-0x00000000072C0000-0x00000000072D2000-memory.dmp

Filesize
72KB

Download
memory/4624-39-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4624-36-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4624-37-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4624-35-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads