mystic | ac90002ec144a6c8c89c45137265a202aeef6b583cef01223b622e10b4c4b797

Analysis

max time kernel
135s
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
22-05-2024 19:04

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General

Target

6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exe
Size

609KB
MD5

dd6eac9ed5ab3f460808d6d22b301e88
SHA1

1a3f497943b29838025e94f6043238ac42a85631
SHA256

6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42
SHA512

f030c2a32bcdd646054184f34bacd209c0245d2f9ce0d2985dcf701ebb8f8158e337e11f312d3e5e0a56575fc954fa3a7a60c65c65a9aa9a5c4ad95aa7134fc2
SSDEEP

12288:WMrOy90/tL8s0kktcn7AZCFj+a29sEIGXmDrL7nAtmn/J93GKTH:8yQtL8dtOOAj+fBO7nAtmB97D

Score

10^/10

mystic redline mrak infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

mrak

77.91.124.82:19071

Attributes

auth_value
7d9a335ab5dfd42d374867c96fe25302

Signatures

Detect Mystic stealer payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m6049072.exe	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\IXP002.TMP\n1919093.exe	family_redline
behavioral9/memory/4112-24-0x0000000000640000-0x0000000000670000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

Processes:

y8304519.exey8269428.exem6049072.exen1919093.exe

pid process

4316 y8304519.exe
3212 y8269428.exe
3360 m6049072.exe
4112 n1919093.exe

pid	process
4316	y8304519.exe
3212	y8269428.exe
3360	m6049072.exe
4112	n1919093.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exey8304519.exey8269428.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\\\""	6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.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\\\""	y8304519.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\\\""	y8269428.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exey8304519.exey8269428.exe

description	pid	process	target process
PID 1004 wrote to memory of 4316	1004	6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exe	y8304519.exe
PID 1004 wrote to memory of 4316	1004	6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exe	y8304519.exe
PID 1004 wrote to memory of 4316	1004	6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exe	y8304519.exe
PID 4316 wrote to memory of 3212	4316	y8304519.exe	y8269428.exe
PID 4316 wrote to memory of 3212	4316	y8304519.exe	y8269428.exe
PID 4316 wrote to memory of 3212	4316	y8304519.exe	y8269428.exe
PID 3212 wrote to memory of 3360	3212	y8269428.exe	m6049072.exe
PID 3212 wrote to memory of 3360	3212	y8269428.exe	m6049072.exe
PID 3212 wrote to memory of 3360	3212	y8269428.exe	m6049072.exe
PID 3212 wrote to memory of 4112	3212	y8269428.exe	n1919093.exe
PID 3212 wrote to memory of 4112	3212	y8269428.exe	n1919093.exe
PID 3212 wrote to memory of 4112	3212	y8269428.exe	n1919093.exe

C:\Users\Admin\AppData\Local\Temp\6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exe
"C:\Users\Admin\AppData\Local\Temp\6b10f19a8c69f2455a53b070f335d6251772e99efec94e5ada48b7464cae5a42.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1004

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8304519.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8304519.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4316

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8269428.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8269428.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3212

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m6049072.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m6049072.exe
4⤵
- Executes dropped EXE
PID:3360

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n1919093.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n1919093.exe
4⤵
- Executes dropped EXE
PID:4112

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:1764

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\y8304519.exe
Filesize
507KB

MD5
3748c8e0c8aa651db706aa229ce412ae

SHA1
4f15862915e041431b99ba2a4b9aa528972a9efe

SHA256
49e0fce263c161e783338779c4f174ad2547b3b6bf6b0e4979bc6bfccd1bbd98

SHA512
d8d858ae59cc5b96204a84c2208b0dd58ee738c28fe98c76145a6d110f4b90be26f93b69797257c2bb36e307f12353317e1be84874b2b155d70d1567c23abfe8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8269428.exe
Filesize
271KB

MD5
9877b928d5a6494089969f7e919f74c4

SHA1
d4465687faaf43af52999a66e12d070e1c0d64cf

SHA256
d0ba3a3782137a5f85e02f054d07116bc5caa46d8d392f82aecf8c9cec62c271

SHA512
840fea886fcd6b26a64f649e9e45d83e14312170c06f77f03e564d088b4c152abc67d380f53b279922d7a0ec67a89735c7e01d5084f66d410d67396997a98109

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m6049072.exe
Filesize
140KB

MD5
57d7046f0a258fffb90fe1f7d6ebd917

SHA1
411254b6b669ce3c6fd4dbd7dde8c2202244d112

SHA256
90e56b0735b1bbfcc817ab46e6e6ed1439e27092e43972a416955ec9f7882484

SHA512
54a04f950a07475ac459702dfbe837a89dc5ed396254523047c7950cc0046fc1a85dd3804370f99dd02ee622764773ee4f708224f9198b40ce3925e0d30ca2d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n1919093.exe
Filesize
176KB

MD5
704c349c95a27c8515c896010c3f79df

SHA1
4d46508435d0afdd7f79e640febe98de113c02dc

SHA256
1aa7e8d27cc1161ae78a5e867b6c18866397efe782748494e448c4d4b0a26685

SHA512
50b440e40d5e24dc579d16aee6fbfdfc64abe532b996e30af9cd778bf88ea4e2277ac10840d8effdd812f8b4bbaf2c9243a575bcbcb62c6c7d91be3785092272

Download Submit
memory/4112-24-0x0000000000640000-0x0000000000670000-memory.dmp

Filesize
192KB

Download
memory/4112-25-0x0000000004E20000-0x0000000004E26000-memory.dmp

Filesize
24KB

Download
memory/4112-26-0x000000000AA80000-0x000000000B098000-memory.dmp

Filesize
6.1MB

Download
memory/4112-27-0x000000000A5F0000-0x000000000A6FA000-memory.dmp

Filesize
1.0MB

Download
memory/4112-28-0x000000000A520000-0x000000000A532000-memory.dmp

Filesize
72KB

Download
memory/4112-29-0x000000000A580000-0x000000000A5BC000-memory.dmp

Filesize
240KB

Download
memory/4112-30-0x0000000004960000-0x00000000049AC000-memory.dmp

Filesize
304KB

Download