mystic | ce9955c91d6a5f9e211ecb80cc51d8025eccfe4e1398947c094c94a6e2904f18

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 09:04

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General

Target

6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exe
Size

1.5MB
MD5

0c949673ce549079af032d4298d9e8cb
SHA1

d7a889d9434be7b5e55b6df4dec0905899b997ec
SHA256

6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a
SHA512

13264a8ff11b5beba5ebad1c854b81eef24f39c395056d049e98a473fd5c26fdaff64cb888419c13feb01eb7f1398a9f277d1c8bde3eeab3478354ec32d2fc10
SSDEEP

24576:6yjXmF5XP50jauubNHvtTAwYSd4utYYMDiRaF+9eXzrdG+gqD+MuyDA:By/WGHvGC4ufRuLrdtHu

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral7/memory/3884-35-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral7/memory/3884-36-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral7/memory/3884-38-0x0000000000400000-0x0000000000432000-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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2it326SR.exe	family_redline
behavioral7/memory/2800-42-0x0000000000CB0000-0x0000000000CEE000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

Processes:

GW4Of4Qj.exeQs0qz4VC.exeoh2nf7Xj.exeQc6eV0si.exe1uA60dN5.exe2it326SR.exe

pid process

3324 GW4Of4Qj.exe
1712 Qs0qz4VC.exe
2960 oh2nf7Xj.exe
1156 Qc6eV0si.exe
2320 1uA60dN5.exe
2800 2it326SR.exe

pid	process
3324	GW4Of4Qj.exe
1712	Qs0qz4VC.exe
2960	oh2nf7Xj.exe
1156	Qc6eV0si.exe
2320	1uA60dN5.exe
2800	2it326SR.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Qs0qz4VC.exeoh2nf7Xj.exeQc6eV0si.exe6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exeGW4Of4Qj.exe

description	ioc	process
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\\\""	Qs0qz4VC.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\\\""	oh2nf7Xj.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\\\""	Qc6eV0si.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\\\""	6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.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\\\""	GW4Of4Qj.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1uA60dN5.exe

description pid process target process

PID 2320 set thread context of 3884 2320 1uA60dN5.exe AppLaunch.exe

description	pid	process	target process
PID 2320 set thread context of 3884	2320	1uA60dN5.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exeGW4Of4Qj.exeQs0qz4VC.exeoh2nf7Xj.exeQc6eV0si.exe1uA60dN5.exe

description	pid	process	target process
PID 4288 wrote to memory of 3324	4288	6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exe	GW4Of4Qj.exe
PID 4288 wrote to memory of 3324	4288	6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exe	GW4Of4Qj.exe
PID 4288 wrote to memory of 3324	4288	6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exe	GW4Of4Qj.exe
PID 3324 wrote to memory of 1712	3324	GW4Of4Qj.exe	Qs0qz4VC.exe
PID 3324 wrote to memory of 1712	3324	GW4Of4Qj.exe	Qs0qz4VC.exe
PID 3324 wrote to memory of 1712	3324	GW4Of4Qj.exe	Qs0qz4VC.exe
PID 1712 wrote to memory of 2960	1712	Qs0qz4VC.exe	oh2nf7Xj.exe
PID 1712 wrote to memory of 2960	1712	Qs0qz4VC.exe	oh2nf7Xj.exe
PID 1712 wrote to memory of 2960	1712	Qs0qz4VC.exe	oh2nf7Xj.exe
PID 2960 wrote to memory of 1156	2960	oh2nf7Xj.exe	Qc6eV0si.exe
PID 2960 wrote to memory of 1156	2960	oh2nf7Xj.exe	Qc6eV0si.exe
PID 2960 wrote to memory of 1156	2960	oh2nf7Xj.exe	Qc6eV0si.exe
PID 1156 wrote to memory of 2320	1156	Qc6eV0si.exe	1uA60dN5.exe
PID 1156 wrote to memory of 2320	1156	Qc6eV0si.exe	1uA60dN5.exe
PID 1156 wrote to memory of 2320	1156	Qc6eV0si.exe	1uA60dN5.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 2320 wrote to memory of 3884	2320	1uA60dN5.exe	AppLaunch.exe
PID 1156 wrote to memory of 2800	1156	Qc6eV0si.exe	2it326SR.exe
PID 1156 wrote to memory of 2800	1156	Qc6eV0si.exe	2it326SR.exe
PID 1156 wrote to memory of 2800	1156	Qc6eV0si.exe	2it326SR.exe

C:\Users\Admin\AppData\Local\Temp\6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exe
"C:\Users\Admin\AppData\Local\Temp\6b4d258a8d8ba67789ff7894ed84c9e89d61a4f8f9d156a7c732ddf5e5f4511a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4288

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GW4Of4Qj.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GW4Of4Qj.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3324

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Qs0qz4VC.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Qs0qz4VC.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1712

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\oh2nf7Xj.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\oh2nf7Xj.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2960

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Qc6eV0si.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Qc6eV0si.exe
5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1156

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uA60dN5.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uA60dN5.exe
6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
7⤵
PID:3884

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2it326SR.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2it326SR.exe
6⤵
- Executes dropped EXE
PID:2800

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\GW4Of4Qj.exe
Filesize
1.4MB

MD5
5cd1c15634f3ca814a7a163198b19a49

SHA1
cee053d0d284c29e75e58f4a96770de6b930ead8

SHA256
5db7ea49635e67b752779b82d470b1ac38fe7204b7466f2d39322038e9443165

SHA512
a144f71b8ff6fc4600f62e8043b6736fd060c0718f7e9718dda7cdfa50ac1d422f791d6b6770cde77c7ff9bc705d021541f4647c061dde6e6b1aa6e91be25524

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Qs0qz4VC.exe
Filesize
1.2MB

MD5
99c0b27fd66dcdcd347739bc3c8546a1

SHA1
f75ad282003fea2f45b975715a4f571c4015a676

SHA256
5935915479b3b12aa516ee214cf5df365ade22c5c01847f8cf9f021326b909d7

SHA512
b29352835963b13abbd43175dd7eaf006263440e62dd2d99196f0d5e42f8d937970df8a27b3ac301626f7ad46984af687e48fb6fc45d3d6ef8ec7ab32eeab2dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\oh2nf7Xj.exe
Filesize
776KB

MD5
4b97cdfd79057fd05d4351b54636a383

SHA1
fa01aa6e9ac44187c0401cb36d7062b400bef981

SHA256
8d9ad58d79d58fc29022f5180e3a0c362a94edaabd66d61357f10da81bc8b53f

SHA512
405644bb480f9a0aa35c60cb67376a2a745313c1e5ff35478d132aead7f11a4d164797eb0fb19459f46628691561399d9f3444e91f47d482d2362d8d8c9c6410

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Qc6eV0si.exe
Filesize
580KB

MD5
1ed4a413bf4ed424d684cef50c06c926

SHA1
974aa7192a779d47b1318eee80f80fb5a5ac7738

SHA256
dac235280a4191a8fd182307ed6240b8702f5188cbc7ab4a1dd7cb7d64f03950

SHA512
19687109b9caa43c42a6b37a71940b663aa60057b80ca4bcc81764c352360443e55f852ba9b5100160acc3ed91acd140b0ae4db7321e9ccc2f7314ca0726692d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uA60dN5.exe
Filesize
1.1MB

MD5
a1c1c44e837edbc2d55d33ba9620a109

SHA1
0ba4e08d7b6f17f968d1f7cad75d0a3885bae998

SHA256
4160c00350706d7630b0a8bfb47722e7ec956858ab07d5adc9345e37ccb751e5

SHA512
75267e9d0652e006107506457c5253fe701149888ad977d95f52d215410b18e3b145c8779ae389b718f090c5aa41d614e45deb38a96852a07a299a5b075c02bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2it326SR.exe
Filesize
222KB

MD5
667c7c0846f4ca4533b58ef2fee53175

SHA1
f45d4e0c90ec169bb8fadc931cdd345ac407c915

SHA256
2f0083f88911bcffe5db2e9f4587eb894c59ae18e2affb4037b5787928d19872

SHA512
df229d6e0951c88874f427701c46354425f2721e845f0eceb343eececa9290fffa47d96f7d5de3384ee4ec16b679f595a3646ae74acbeb1233490ec5fa0f39e3

Download Submit
memory/2800-42-0x0000000000CB0000-0x0000000000CEE000-memory.dmp

Filesize
248KB

Download
memory/2800-43-0x0000000007F60000-0x0000000008504000-memory.dmp

Filesize
5.6MB

Download
memory/2800-44-0x0000000007A90000-0x0000000007B22000-memory.dmp

Filesize
584KB

Download
memory/2800-45-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/2800-46-0x0000000008B30000-0x0000000009148000-memory.dmp

Filesize
6.1MB

Download
memory/2800-48-0x0000000007C50000-0x0000000007C62000-memory.dmp

Filesize
72KB

Download
memory/2800-47-0x0000000008510000-0x000000000861A000-memory.dmp

Filesize
1.0MB

Download
memory/2800-49-0x0000000007CD0000-0x0000000007D0C000-memory.dmp

Filesize
240KB

Download
memory/2800-50-0x0000000007D10000-0x0000000007D5C000-memory.dmp

Filesize
304KB

Download
memory/3884-36-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3884-38-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3884-35-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download