mystic | 60fcc3045e1b1073753937ff8c184c464a45ea76225a406024335c07f898cf7b

Analysis

max time kernel
149s
max time network
151s
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 17:46

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General

Target

7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe
Size

417KB
MD5

929fc630a500f521aa4cf19b3c15f15f
SHA1

25294f9be26745942693e25cafdbaaaeb05372df
SHA256

7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1
SHA512

dae5bbd842e4cd7176040003069bc791a5be2b8a27a4b4984d7a1cdbfaf1aa9baca3b30b89527c9a1495d825daaaccd7608bad944c2eb75238553cdbc400eab6
SSDEEP

6144:KJy+bnr+Wp0yN90QEr6uFCuzf8i/mEPtm+aiGEaC9c2fpeUM:PMrWy909jCuLl/mEVm1iVrTIP

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
behavioral8/memory/3116-11-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral8/memory/3116-8-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral8/memory/3116-9-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral8/memory/3116-7-0x0000000000400000-0x0000000000428000-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

resource	yara_rule
behavioral8/files/0x0007000000023448-13.dat	family_redline
behavioral8/memory/2676-16-0x0000000000A80000-0x0000000000ABE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
1244	1Ud26Gb6.exe
2676	2ZG165JU.exe

Adds Run key to start application 2 TTPs 1 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\\\""	7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1244 set thread context of 3116	1244	1Ud26Gb6.exe	87

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2324	1244	WerFault.exe	83
3704	3116	WerFault.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 1244	3196	7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe	83
PID 3196 wrote to memory of 1244	3196	7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe	83
PID 3196 wrote to memory of 1244	3196	7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe	83
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 1244 wrote to memory of 3116	1244	1Ud26Gb6.exe	87
PID 3196 wrote to memory of 2676	3196	7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe	94
PID 3196 wrote to memory of 2676	3196	7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe	94
PID 3196 wrote to memory of 2676	3196	7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe	94

C:\Users\Admin\AppData\Local\Temp\7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe
"C:\Users\Admin\AppData\Local\Temp\7b80c0170b77179545495007e6a16319be71393d2f2cff71b06a4bbe29ff95d1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Ud26Gb6.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Ud26Gb6.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:3116
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 540
      4⤵
      Program crash
      PID:3704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 600
    3⤵
    - Program crash
    PID:2324
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ZG165JU.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ZG165JU.exe
  2⤵
  - Executes dropped EXE
  PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1244 -ip 1244
1⤵
PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3116 -ip 3116
1⤵
PID:3004

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\1Ud26Gb6.exe

Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ZG165JU.exe

Filesize
231KB

MD5
443aaf1c26cf859080674f3fadf58ac5

SHA1
98baaa3627b75a733bc9aee8cff09e5a6fdb4da3

SHA256
853dbad27eb3e953bca60776d8f1711eac4b231e7f79d69a23aa629782862528

SHA512
7aefdc15a06aa74b9ca2443dba681d62668f780495fc97935acf37eed4e128f3f1720f874c4c113bf067f7eba277bdc9b03a2fb11d4ade4240f8a9ee9e1a0ad1

Download Submit
memory/2676-21-0x00000000088F0000-0x0000000008F08000-memory.dmp

Filesize
6.1MB

Download
memory/2676-19-0x0000000004D80000-0x0000000004D8A000-memory.dmp

Filesize
40KB

Download
memory/2676-27-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/2676-26-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2676-15-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2676-16-0x0000000000A80000-0x0000000000ABE000-memory.dmp

Filesize
248KB

Download
memory/2676-17-0x0000000007D20000-0x00000000082C4000-memory.dmp

Filesize
5.6MB

Download
memory/2676-18-0x0000000007810000-0x00000000078A2000-memory.dmp

Filesize
584KB

Download
memory/2676-20-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/2676-25-0x0000000007B00000-0x0000000007B4C000-memory.dmp

Filesize
304KB

Download
memory/2676-24-0x0000000007AC0000-0x0000000007AFC000-memory.dmp

Filesize
240KB

Download
memory/2676-23-0x0000000007930000-0x0000000007942000-memory.dmp

Filesize
72KB

Download
memory/2676-22-0x0000000007B90000-0x0000000007C9A000-memory.dmp

Filesize
1.0MB

Download
memory/3116-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3116-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3116-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3116-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads