mystic | 1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2023, 20:29

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General

Target

NEAS.1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5_JC.exe
Size

1.2MB
MD5

35e6d0d83c1a24d784a25f6703554fd3
SHA1

f6f0c985a6f9a000fe2556deafa9c3b912d1ba20
SHA256

1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5
SHA512

237b1ed4159b01ad9f791bbfb3730e9b083d617c23897fb0497b36e050ecfd609d291ba0dbc5213d270d35de0a2c80dee2ef0d668deaf1d2167c16185cbceadc
SSDEEP

24576:9yWk+rsN4JbSgZwfzyR9r0Tt+uFSXbiNxVhWJluxKHqVI:YWk+rsN4bS2R9KSbKjhyU1

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/1068-35-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1068-36-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1068-37-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1068-39-0x0000000000400000-0x0000000000428000-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/0x00070000000231e2-41.dat	family_redline
behavioral2/files/0x00070000000231e2-42.dat	family_redline
behavioral2/memory/3420-43-0x00000000000D0000-0x000000000010E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
3476	hs7pK8Fi.exe
4104	JQ7gT4nk.exe
3004	jn1Cg4sZ.exe
4412	dr6Td7fh.exe
4444	1DM36tM5.exe
3420	2aL034bP.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_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	dr6Td7fh.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.1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5_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\\\""	hs7pK8Fi.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\\\""	JQ7gT4nk.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\\\""	jn1Cg4sZ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4444 set thread context of 1068	4444	1DM36tM5.exe	92

Program crash 2 IoCs

pid	pid_target	Process	procid_target
828	1068	WerFault.exe	92
3104	4444	WerFault.exe	90

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 3476	3292	NEAS.1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5_JC.exe	86
PID 3292 wrote to memory of 3476	3292	NEAS.1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5_JC.exe	86
PID 3292 wrote to memory of 3476	3292	NEAS.1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5_JC.exe	86
PID 3476 wrote to memory of 4104	3476	hs7pK8Fi.exe	87
PID 3476 wrote to memory of 4104	3476	hs7pK8Fi.exe	87
PID 3476 wrote to memory of 4104	3476	hs7pK8Fi.exe	87
PID 4104 wrote to memory of 3004	4104	JQ7gT4nk.exe	88
PID 4104 wrote to memory of 3004	4104	JQ7gT4nk.exe	88
PID 4104 wrote to memory of 3004	4104	JQ7gT4nk.exe	88
PID 3004 wrote to memory of 4412	3004	jn1Cg4sZ.exe	89
PID 3004 wrote to memory of 4412	3004	jn1Cg4sZ.exe	89
PID 3004 wrote to memory of 4412	3004	jn1Cg4sZ.exe	89
PID 4412 wrote to memory of 4444	4412	dr6Td7fh.exe	90
PID 4412 wrote to memory of 4444	4412	dr6Td7fh.exe	90
PID 4412 wrote to memory of 4444	4412	dr6Td7fh.exe	90
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4444 wrote to memory of 1068	4444	1DM36tM5.exe	92
PID 4412 wrote to memory of 3420	4412	dr6Td7fh.exe	99
PID 4412 wrote to memory of 3420	4412	dr6Td7fh.exe	99
PID 4412 wrote to memory of 3420	4412	dr6Td7fh.exe	99

C:\Users\Admin\AppData\Local\Temp\NEAS.1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.1b5d23e79b8a2c7ec5533b09ee34fc523a5eaddb994ee1d37e2f92a32c1be4d5_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hs7pK8Fi.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hs7pK8Fi.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\JQ7gT4nk.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\JQ7gT4nk.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4104
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jn1Cg4sZ.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jn1Cg4sZ.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:3004
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\dr6Td7fh.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\dr6Td7fh.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:4412
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1DM36tM5.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1DM36tM5.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4444
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:1068
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 556
        8⤵
        Program crash
        
        PID:828
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 592
        7⤵
        Program crash
        
        PID:3104
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2aL034bP.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2aL034bP.exe
        6⤵
        Executes dropped EXE
        
        PID:3420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1068 -ip 1068
1⤵
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4444 -ip 4444
1⤵
PID:756

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\hs7pK8Fi.exe

Filesize
1.0MB

MD5
3e2f06d41b144a52aa1260e35397c477

SHA1
5e3dbadae95600f804aa64e1241ded7796a360b2

SHA256
c2515a5127ee8f97cc34d5010c9d3ed1f321e07f3299975b251556776ed58c9b

SHA512
e1f60bd589bf995fbc0ef866ce85873470f4350e5d6c1149058ca9508b7f16c87ba3fb53c19731ed77ea70aad60d60eafe048d862c7e8cd1bc6bb3076bd838ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hs7pK8Fi.exe

Filesize
1.0MB

MD5
3e2f06d41b144a52aa1260e35397c477

SHA1
5e3dbadae95600f804aa64e1241ded7796a360b2

SHA256
c2515a5127ee8f97cc34d5010c9d3ed1f321e07f3299975b251556776ed58c9b

SHA512
e1f60bd589bf995fbc0ef866ce85873470f4350e5d6c1149058ca9508b7f16c87ba3fb53c19731ed77ea70aad60d60eafe048d862c7e8cd1bc6bb3076bd838ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\JQ7gT4nk.exe

Filesize
884KB

MD5
af694cbed9b219484d7444110f71c64e

SHA1
a5f2813bd3bb0bec6b30fc299b86d6a684921f28

SHA256
b45f5479a171613b80d9e6131c720039fe54fa34a05a693c389e39fe860d3ca8

SHA512
a99e9b531c8f8573c9ede6066a6aad551a3a249ade9b0ce7cbc788257865e9592d27e395408f122b9aec8a322ec093bc42f3003b4f727b28122f8f304386bc60

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\JQ7gT4nk.exe

Filesize
884KB

MD5
af694cbed9b219484d7444110f71c64e

SHA1
a5f2813bd3bb0bec6b30fc299b86d6a684921f28

SHA256
b45f5479a171613b80d9e6131c720039fe54fa34a05a693c389e39fe860d3ca8

SHA512
a99e9b531c8f8573c9ede6066a6aad551a3a249ade9b0ce7cbc788257865e9592d27e395408f122b9aec8a322ec093bc42f3003b4f727b28122f8f304386bc60

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jn1Cg4sZ.exe

Filesize
590KB

MD5
6f9ea81f43f481c93f4b96f40c957c0d

SHA1
f6c8a18315aed12e8f948d2de3a89dc039f4f9ef

SHA256
310eceeebc1d9d03fefd45793f82d65923a7ae9128698b16f5fe924faa6fbb82

SHA512
24a52bccd3bb25b839f25cd71d27fce19026035a8941dd6661bcbe842feca851530ba6a7f73e00953280292330dbfe1a95c223a38f17ec0bd99d60e068290106

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jn1Cg4sZ.exe

Filesize
590KB

MD5
6f9ea81f43f481c93f4b96f40c957c0d

SHA1
f6c8a18315aed12e8f948d2de3a89dc039f4f9ef

SHA256
310eceeebc1d9d03fefd45793f82d65923a7ae9128698b16f5fe924faa6fbb82

SHA512
24a52bccd3bb25b839f25cd71d27fce19026035a8941dd6661bcbe842feca851530ba6a7f73e00953280292330dbfe1a95c223a38f17ec0bd99d60e068290106

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\dr6Td7fh.exe

Filesize
417KB

MD5
3f4d0141d4cb30cdeb4f82125b115c95

SHA1
5f69acfa0d749466b4158fe82158d0411e7d1be2

SHA256
e2b942481952a21f27b0f668ff1e3bcf121d5da3d3e2d635a37b81ccc4f9d640

SHA512
836c9b4c8445b75b3fad7a8c13154999adb5e15f2b59fc394390706fcd1e1936f527cc0dec5d88f07517724c45bd1f860f770866af77d3767e9f2f0b0a9ecac9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\dr6Td7fh.exe

Filesize
417KB

MD5
3f4d0141d4cb30cdeb4f82125b115c95

SHA1
5f69acfa0d749466b4158fe82158d0411e7d1be2

SHA256
e2b942481952a21f27b0f668ff1e3bcf121d5da3d3e2d635a37b81ccc4f9d640

SHA512
836c9b4c8445b75b3fad7a8c13154999adb5e15f2b59fc394390706fcd1e1936f527cc0dec5d88f07517724c45bd1f860f770866af77d3767e9f2f0b0a9ecac9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1DM36tM5.exe

Filesize
378KB

MD5
8fcfdb170413038261bd7034a5cd391b

SHA1
6e713020515e506b2f36767e88e456564bfc7b14

SHA256
62183929f5355a0978e9c7505f32b836ce768fb299fcfcb504833ea48e041ea2

SHA512
57230fa292df4271dbeba67fa932608dacd92c0a62d5c18aa9209bf52a7bac287d8f9b5fad2455939a7ad2d30302fec6d7ac3667dde9f190fad1e3e3fccface8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1DM36tM5.exe

Filesize
378KB

MD5
8fcfdb170413038261bd7034a5cd391b

SHA1
6e713020515e506b2f36767e88e456564bfc7b14

SHA256
62183929f5355a0978e9c7505f32b836ce768fb299fcfcb504833ea48e041ea2

SHA512
57230fa292df4271dbeba67fa932608dacd92c0a62d5c18aa9209bf52a7bac287d8f9b5fad2455939a7ad2d30302fec6d7ac3667dde9f190fad1e3e3fccface8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2aL034bP.exe

Filesize
231KB

MD5
abb62334d4eab9828517b32104dcdb50

SHA1
6bdc78b99f75fdbaaf6955c3cefa14619705913a

SHA256
6779f7a06942ca362676ce363bce8d4313036f6ce2fa92137e6685054b1ca21f

SHA512
07aefc357ac6cc699e037af519686c7db3be422486c313067bdf7c47c212102f617bd941273c242d38f8a27e8d1fce9e2aa0872e3e9e1b8a76f1b74fb7b4c74f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2aL034bP.exe

Filesize
231KB

MD5
abb62334d4eab9828517b32104dcdb50

SHA1
6bdc78b99f75fdbaaf6955c3cefa14619705913a

SHA256
6779f7a06942ca362676ce363bce8d4313036f6ce2fa92137e6685054b1ca21f

SHA512
07aefc357ac6cc699e037af519686c7db3be422486c313067bdf7c47c212102f617bd941273c242d38f8a27e8d1fce9e2aa0872e3e9e1b8a76f1b74fb7b4c74f

Download Submit
memory/1068-36-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1068-37-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1068-39-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1068-35-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3420-46-0x0000000006E50000-0x0000000006EE2000-memory.dmp

Filesize
584KB

Download
memory/3420-43-0x00000000000D0000-0x000000000010E000-memory.dmp

Filesize
248KB

Download
memory/3420-45-0x0000000007340000-0x00000000078E4000-memory.dmp

Filesize
5.6MB

Download
memory/3420-44-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3420-47-0x00000000070A0000-0x00000000070B0000-memory.dmp

Filesize
64KB

Download
memory/3420-48-0x0000000006F50000-0x0000000006F5A000-memory.dmp

Filesize
40KB

Download
memory/3420-49-0x0000000007F10000-0x0000000008528000-memory.dmp

Filesize
6.1MB

Download
memory/3420-50-0x0000000007200000-0x000000000730A000-memory.dmp

Filesize
1.0MB

Download
memory/3420-51-0x0000000007130000-0x0000000007142000-memory.dmp

Filesize
72KB

Download
memory/3420-52-0x0000000007190000-0x00000000071CC000-memory.dmp

Filesize
240KB

Download
memory/3420-53-0x00000000078F0000-0x000000000793C000-memory.dmp

Filesize
304KB

Download
memory/3420-54-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/3420-55-0x00000000070A0000-0x00000000070B0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads