mystic | ddc6b496a8a25762ee7b933f47107c5553187f5846568bf68b67dd8d5f4a7548

Analysis

max time kernel
145s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 19:05

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General

Target

ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exe
Size

782KB
MD5

99f433c7c2dea73b9bb35968e439ee4b
SHA1

c0c0ac8833349be06b8689011fe83697167d4aad
SHA256

ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903
SHA512

5d50aba2dcd8f276f6e855506fe35de69ba9aa6993ecb673b9b8eb741576c9ea8f71bffddb29f527743e29e9c1331866e2ed1429da6a149de4898b803af7a1a2
SSDEEP

12288:5Mr/y90EWMGWa4K+Zh6dqf8pJ+0DGQplKkXEFG1+gzXlaJi07IfRMLN:SyHQW8Swm8/SQD3EFG4grlaJPoRM5

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 4 IoCs

Processes:

resource	yara_rule
behavioral20/memory/1952-14-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral20/memory/1952-15-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral20/memory/1952-18-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral20/memory/1952-16-0x0000000000400000-0x0000000000432000-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\IXP001.TMP\2aO021mb.exe	family_redline
behavioral20/memory/1448-22-0x00000000000C0000-0x00000000000FE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

tq8ih1Og.exe1oA01ud0.exe2aO021mb.exe

pid process

4580 tq8ih1Og.exe
1332 1oA01ud0.exe
1448 2aO021mb.exe

pid	process
4580	tq8ih1Og.exe
1332	1oA01ud0.exe
1448	2aO021mb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exetq8ih1Og.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\\\""	ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.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\\\""	tq8ih1Og.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1oA01ud0.exe

description pid process target process

PID 1332 set thread context of 1952 1332 1oA01ud0.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1940 1952 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 1332 set thread context of 1952	1332	1oA01ud0.exe	AppLaunch.exe

pid	pid_target	process	target process
1940	1952	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exetq8ih1Og.exe1oA01ud0.exe

description	pid	process	target process
PID 2420 wrote to memory of 4580	2420	ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exe	tq8ih1Og.exe
PID 2420 wrote to memory of 4580	2420	ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exe	tq8ih1Og.exe
PID 2420 wrote to memory of 4580	2420	ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exe	tq8ih1Og.exe
PID 4580 wrote to memory of 1332	4580	tq8ih1Og.exe	1oA01ud0.exe
PID 4580 wrote to memory of 1332	4580	tq8ih1Og.exe	1oA01ud0.exe
PID 4580 wrote to memory of 1332	4580	tq8ih1Og.exe	1oA01ud0.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 1332 wrote to memory of 1952	1332	1oA01ud0.exe	AppLaunch.exe
PID 4580 wrote to memory of 1448	4580	tq8ih1Og.exe	2aO021mb.exe
PID 4580 wrote to memory of 1448	4580	tq8ih1Og.exe	2aO021mb.exe
PID 4580 wrote to memory of 1448	4580	tq8ih1Og.exe	2aO021mb.exe

C:\Users\Admin\AppData\Local\Temp\ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exe
"C:\Users\Admin\AppData\Local\Temp\ef4487829bbec1eb751da8fe7227f27dccd52cd7f16d1d5d8bdcd1af42b36903.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2420

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tq8ih1Og.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tq8ih1Og.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4580

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1oA01ud0.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1oA01ud0.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1332

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 540
5⤵
- Program crash
PID:1940

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2aO021mb.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2aO021mb.exe
3⤵
- Executes dropped EXE
PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1952 -ip 1952
1⤵
PID:4772

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 --mojo-platform-channel-handle=3808 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:4800

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tq8ih1Og.exe

Filesize
581KB

MD5
792788a19aef936cbbbcd779f637ebdd

SHA1
3f8a86b11d5fa887ea0a5ca56c7545ca2fe90d09

SHA256
3d07aca31670722822aaa64de071875ff192c514b937824c1fca0bea2a8f2ca5

SHA512
17cdfe55eed14b3404510894fb8972f173cee38d4081e1e12ec9cff52fc445ee407c82dfc8f557a3daffe7b0ca60c2f4f2690ccd504a2fa062edc27dca883abd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1oA01ud0.exe

Filesize
1.1MB

MD5
6ef68ec5b2d91cbc9c66fa0553e527ec

SHA1
8d8ab02a5f2433cf12ba62336e4d774f2bbf21d2

SHA256
8ffa8c6bcf0b38b229ac57e8a8eacfad2d27bd2b6ec971af827609bfb919495f

SHA512
1a02ccdf3d1be279169bc25eb2a4452be337389b78050811ea4367ca624d5d169c7c7e157a73fe3be13378412e8d94606f41c157b5892cc76c4344ee85d204a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2aO021mb.exe

Filesize
222KB

MD5
6ce5b1b4d600c87f2e975f20550e4378

SHA1
5e98efcb0192d913e69424e187709e829e900504

SHA256
61accbf7fb893486d33dd53b50c38dc7a5d294813c19afa4eb223147b363fab6

SHA512
0165e2f22cc3be87911cb0256b2d1197bbdd53f4732ec2e05b443805a19a4f9ff70331061a4fb31197986ca981eda496e08b36224221ac9f89462c7d6146ccb2

Download Submit
memory/1448-27-0x0000000007970000-0x0000000007A7A000-memory.dmp

Filesize
1.0MB

Download
memory/1448-22-0x00000000000C0000-0x00000000000FE000-memory.dmp

Filesize
248KB

Download
memory/1448-23-0x00000000073C0000-0x0000000007964000-memory.dmp

Filesize
5.6MB

Download
memory/1448-24-0x0000000006EB0000-0x0000000006F42000-memory.dmp

Filesize
584KB

Download
memory/1448-25-0x0000000007050000-0x000000000705A000-memory.dmp

Filesize
40KB

Download
memory/1448-26-0x0000000007F90000-0x00000000085A8000-memory.dmp

Filesize
6.1MB

Download
memory/1448-28-0x0000000007260000-0x0000000007272000-memory.dmp

Filesize
72KB

Download
memory/1448-29-0x00000000072C0000-0x00000000072FC000-memory.dmp

Filesize
240KB

Download
memory/1448-30-0x0000000007300000-0x000000000734C000-memory.dmp

Filesize
304KB

Download
memory/1952-18-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1952-16-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1952-15-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1952-14-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download