mystic | 8ee265740e734e664a806025412118c1398e5fd5de8de7844c913c144f497faa

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 17:24

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General

Target

7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe
Size

417KB
MD5

b3e27bc42c0d400f58083d243e52976b
SHA1

dfb89f92eaf181b6e424c0752c4a50edb99eb6bf
SHA256

7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461
SHA512

43cdcf38bc097faf2979f7d080aa701b332ada3db6b24720b60c357cf1dc5125517ddd22a55774cada98be57b309a32d6e77fa3b35e536444585943cae5a66f1
SSDEEP

6144:K0y+bnr+Gp0yN90QEx6uFCuzf8i/mEPtm+aiGEaC9c2fWNU1:wMrGy90bjCuLl/mEVm1iVrTQK

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

Processes:

resource	yara_rule
behavioral8/memory/1972-9-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral8/memory/1972-11-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral8/memory/1972-8-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral8/memory/1972-7-0x0000000000400000-0x0000000000428000-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\IXP000.TMP\2DE995oj.exe	family_redline
behavioral8/memory/540-16-0x0000000000150000-0x000000000018E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

1nD90NV6.exe2DE995oj.exe

pid process

3516 1nD90NV6.exe
540 2DE995oj.exe

pid	process
3516	1nD90NV6.exe
540	2DE995oj.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe

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\\\""	7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1nD90NV6.exe

description pid process target process

PID 3516 set thread context of 1972 3516 1nD90NV6.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3652 3516 WerFault.exe 1nD90NV6.exe
4996 1972 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 3516 set thread context of 1972	3516	1nD90NV6.exe	AppLaunch.exe

pid	pid_target	process	target process
3652	3516	WerFault.exe	1nD90NV6.exe
4996	1972	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe1nD90NV6.exe

description	pid	process	target process
PID 2020 wrote to memory of 3516	2020	7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe	1nD90NV6.exe
PID 2020 wrote to memory of 3516	2020	7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe	1nD90NV6.exe
PID 2020 wrote to memory of 3516	2020	7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe	1nD90NV6.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 3516 wrote to memory of 1972	3516	1nD90NV6.exe	AppLaunch.exe
PID 2020 wrote to memory of 540	2020	7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe	2DE995oj.exe
PID 2020 wrote to memory of 540	2020	7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe	2DE995oj.exe
PID 2020 wrote to memory of 540	2020	7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe	2DE995oj.exe

C:\Users\Admin\AppData\Local\Temp\7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe
"C:\Users\Admin\AppData\Local\Temp\7bc60a53f2e41fbf75340717de9ffcc9b6fd784a5d53c6179c11edf693435461.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2020

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1nD90NV6.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1nD90NV6.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3516

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 540
4⤵
- Program crash
PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 152
3⤵
- Program crash
PID:3652

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2DE995oj.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2DE995oj.exe
2⤵
- Executes dropped EXE
PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3516 -ip 3516
1⤵
PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1972 -ip 1972
1⤵
PID:3404

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1nD90NV6.exe
Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2DE995oj.exe
Filesize
231KB

MD5
7286367aae7c7200b7d3449ce31b2470

SHA1
a495381377b250c8fcf005c03e7caaeaed97bf72

SHA256
1586e3f814e6bde402145046600ca3ce31517ad77a4627b685b1b372604798b8

SHA512
e584a51dad1ca213ef3307eb4c349f210829f6e53b2f2ecb4fdc8f9001e1363e74af316dadb208efe6ad457088e3bbcd0dfeeeaafce19284bd669b9928d21335

Download Submit
memory/540-21-0x0000000008020000-0x0000000008638000-memory.dmp

Filesize
6.1MB

Download
memory/540-19-0x0000000004470000-0x000000000447A000-memory.dmp

Filesize
40KB

Download
memory/540-27-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/540-26-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/540-15-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/540-16-0x0000000000150000-0x000000000018E000-memory.dmp

Filesize
248KB

Download
memory/540-17-0x0000000007450000-0x00000000079F4000-memory.dmp

Filesize
5.6MB

Download
memory/540-18-0x0000000006F40000-0x0000000006FD2000-memory.dmp

Filesize
584KB

Download
memory/540-20-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/540-22-0x0000000007200000-0x000000000730A000-memory.dmp

Filesize
1.0MB

Download
memory/540-25-0x00000000071B0000-0x00000000071FC000-memory.dmp

Filesize
304KB

Download
memory/540-23-0x0000000007110000-0x0000000007122000-memory.dmp

Filesize
72KB

Download
memory/540-24-0x0000000007170000-0x00000000071AC000-memory.dmp

Filesize
240KB

Download
memory/1972-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1972-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1972-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1972-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download