mystic | 2dae798f2fcb49ad5f375700dcbe54c08e9cc5c25fe542ebd7939aa5f5f023aa

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 18:47

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General

Target

0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e.exe
Size

935KB
MD5

fc5940b5bd6b4fab5e3454a71c6be1ff
SHA1

9f4ecc6a4e02b092f896cb9d4d21031536f3c39b
SHA256

0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e
SHA512

0fd0fc1d6b3bb99c8daf0b06722c2a88ccc8f0a5148a9a28c51360d9742690bfcb0d4aee8ffccc84ac215c49d01dc4755cdfe4b18d4b0afeb246ddfe8527db14
SSDEEP

24576:ry2DzeJC89uopYQf19Xes/5QpBoY5oPklbI88VoD:eezeD9gQf19OdnLyM58Vo

Score

10^/10

mystic redline lutyr infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

lutyr

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral2/memory/3572-22-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral2/memory/3572-24-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral2/memory/3572-21-0x0000000000400000-0x0000000000433000-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 2 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233e2-26.dat	family_redline
behavioral2/memory/4280-28-0x0000000000530000-0x000000000056E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
600	lQ8Dk3Uu.exe
4560	jB4Ms3Yl.exe
2400	1ZY63Rv5.exe
4280	2Li655as.exe

Adds Run key to start application 2 TTPs 3 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\\\""	0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e.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\\\""	lQ8Dk3Uu.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\\\""	jB4Ms3Yl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 3572	2400	1ZY63Rv5.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1176	2400	WerFault.exe	84

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 600	2352	0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e.exe	82
PID 2352 wrote to memory of 600	2352	0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e.exe	82
PID 2352 wrote to memory of 600	2352	0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e.exe	82
PID 600 wrote to memory of 4560	600	lQ8Dk3Uu.exe	83
PID 600 wrote to memory of 4560	600	lQ8Dk3Uu.exe	83
PID 600 wrote to memory of 4560	600	lQ8Dk3Uu.exe	83
PID 4560 wrote to memory of 2400	4560	jB4Ms3Yl.exe	84
PID 4560 wrote to memory of 2400	4560	jB4Ms3Yl.exe	84
PID 4560 wrote to memory of 2400	4560	jB4Ms3Yl.exe	84
PID 2400 wrote to memory of 5016	2400	1ZY63Rv5.exe	85
PID 2400 wrote to memory of 5016	2400	1ZY63Rv5.exe	85
PID 2400 wrote to memory of 5016	2400	1ZY63Rv5.exe	85
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 2400 wrote to memory of 3572	2400	1ZY63Rv5.exe	86
PID 4560 wrote to memory of 4280	4560	jB4Ms3Yl.exe	90
PID 4560 wrote to memory of 4280	4560	jB4Ms3Yl.exe	90
PID 4560 wrote to memory of 4280	4560	jB4Ms3Yl.exe	90

C:\Users\Admin\AppData\Local\Temp\0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e.exe
"C:\Users\Admin\AppData\Local\Temp\0be251d0ab9bbcdf4e410ed6872fcb32d854da896cf79b561b30639bf6d7c48e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lQ8Dk3Uu.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lQ8Dk3Uu.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:600
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jB4Ms3Yl.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jB4Ms3Yl.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4560
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1ZY63Rv5.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1ZY63Rv5.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2400
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:5016
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:3572
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 572
        5⤵
        Program crash
        
        PID:1176
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Li655as.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Li655as.exe
      4⤵
      Executes dropped EXE
      PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2400 -ip 2400
1⤵
PID:3312

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\lQ8Dk3Uu.exe

Filesize
639KB

MD5
cff0f2ce4793ca54baba7429c4dd7bec

SHA1
596a6e531e13f1d842a7721a208b4d62b2fa991a

SHA256
25770cf541765b76c26ce4248498ab079d23caaff84577617a5590f4e36f1330

SHA512
cb4100447d4bf0c46144943d6b69edb93ce5a9b449367c179b827996d70f333a4680a2d13a296f4dd7dcfba00dad796276e0137714a708e7d440435359b17f84

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jB4Ms3Yl.exe

Filesize
443KB

MD5
0071438c2d38d1d6463b6cb8406ef0fb

SHA1
42be84c3222a94ead25fd6ccb1812a79c5bf7dfc

SHA256
e01ccb507f33c152014653c912796cfebdb05be6f5fe720746578a9c05d3e0a3

SHA512
92deee39ccc1cd40112758e869626e5138fbb36e3089bd2896fa1e3494c62bcff69fa7722efecc8407a589d2e43f7aba46e3c08f85388b008ab2e914fa103762

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1ZY63Rv5.exe

Filesize
422KB

MD5
b9a4add1a8bb9bd4ebb748730222e58b

SHA1
6f68452889aac3ac8086947423b15cc064bbaab4

SHA256
ce85098bd41ad9bf7f579cf4d5c5c812fba2968190433c92abbc790a99f268ed

SHA512
01624dd831c0c428e4f7f1c70b2830ac50fb8e2439adc4368203c5459fccd240cd18cedaf519c8db2d5c51fafb1841e37eea516a9fbd7bc6d3dbe2a84ed9b185

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Li655as.exe

Filesize
221KB

MD5
2f5c694614bc44f57f68adf21d2f91e1

SHA1
5e2834d7c669e17254cfd180a3d325e216a7a095

SHA256
94929fc5c08c9d3df6f72e21bcaf22e26debe39733e708fb48309e5a91bf4dd1

SHA512
7a9dfa8d0fa5176f0d627b7fdff6ef2b8aa6db2308b108bdfa1b412bebfa7f3d2ab952debc85ede1418bbd6ee5e7633d39e450302c622962f138b66f0c1c9eee

Download Submit
memory/3572-22-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3572-24-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3572-21-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4280-29-0x0000000007850000-0x0000000007DF4000-memory.dmp

Filesize
5.6MB

Download
memory/4280-28-0x0000000000530000-0x000000000056E000-memory.dmp

Filesize
248KB

Download
memory/4280-30-0x0000000007340000-0x00000000073D2000-memory.dmp

Filesize
584KB

Download
memory/4280-31-0x0000000002850000-0x000000000285A000-memory.dmp

Filesize
40KB

Download
memory/4280-32-0x0000000008420000-0x0000000008A38000-memory.dmp

Filesize
6.1MB

Download
memory/4280-33-0x0000000007740000-0x000000000784A000-memory.dmp

Filesize
1.0MB

Download
memory/4280-34-0x0000000007650000-0x0000000007662000-memory.dmp

Filesize
72KB

Download
memory/4280-35-0x00000000076B0000-0x00000000076EC000-memory.dmp

Filesize
240KB

Download
memory/4280-36-0x00000000076F0000-0x000000000773C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads