mystic | 35fa914c6357cde578322016bb343396ee5cbe965e37dbbc27e58563c27f3d00

Analysis

max time kernel
147s
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
24-05-2024 10:02

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General

Target

8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exe
Size

633KB
MD5

de169c9c1956a49bf744a98a67d51767
SHA1

72eb52d5fc25712eff8b9a04f440dbc53c9621ce
SHA256

8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391
SHA512

8c9854bee92963dbe890b5c765cadadfbe74e2c25668332c4e4bbe160f16e69b31174e205fe59d3e4713a91cb3f4c05b5414c11f00df0762842e16d33b0388e7
SSDEEP

12288:UMrOy90pkla9O0oWr9zBoFwta0Rm0c4tZhoNSK/kLn8D/ThIxVrim65Bk3Q8Y:CyXlLu5taKjcyohzAokg3

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

mystic

http://5.42.92.211/

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral7/memory/1392-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral7/memory/1392-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral7/memory/1392-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral7/memory/1392-16-0x0000000000400000-0x0000000000433000-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\2Kj576CR.exe	family_redline
behavioral7/memory/4484-22-0x00000000002F0000-0x000000000032E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

yM2Zk9TP.exe1Hg45ca8.exe2Kj576CR.exe

pid process

5324 yM2Zk9TP.exe
3684 1Hg45ca8.exe
4484 2Kj576CR.exe

pid	process
5324	yM2Zk9TP.exe
3684	1Hg45ca8.exe
4484	2Kj576CR.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exeyM2Zk9TP.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\\\""	8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.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\\\""	yM2Zk9TP.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1Hg45ca8.exe

description pid process target process

PID 3684 set thread context of 1392 3684 1Hg45ca8.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4476 3684 WerFault.exe 1Hg45ca8.exe
4996 1392 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 3684 set thread context of 1392	3684	1Hg45ca8.exe	AppLaunch.exe

pid	pid_target	process	target process
4476	3684	WerFault.exe	1Hg45ca8.exe
4996	1392	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exeyM2Zk9TP.exe1Hg45ca8.exe

description	pid	process	target process
PID 3532 wrote to memory of 5324	3532	8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exe	yM2Zk9TP.exe
PID 3532 wrote to memory of 5324	3532	8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exe	yM2Zk9TP.exe
PID 3532 wrote to memory of 5324	3532	8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exe	yM2Zk9TP.exe
PID 5324 wrote to memory of 3684	5324	yM2Zk9TP.exe	1Hg45ca8.exe
PID 5324 wrote to memory of 3684	5324	yM2Zk9TP.exe	1Hg45ca8.exe
PID 5324 wrote to memory of 3684	5324	yM2Zk9TP.exe	1Hg45ca8.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 3684 wrote to memory of 1392	3684	1Hg45ca8.exe	AppLaunch.exe
PID 5324 wrote to memory of 4484	5324	yM2Zk9TP.exe	2Kj576CR.exe
PID 5324 wrote to memory of 4484	5324	yM2Zk9TP.exe	2Kj576CR.exe
PID 5324 wrote to memory of 4484	5324	yM2Zk9TP.exe	2Kj576CR.exe

C:\Users\Admin\AppData\Local\Temp\8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exe
"C:\Users\Admin\AppData\Local\Temp\8682bf8baac5da4e90ff3187b5fc619cdce2926723cce0ce1ee89e8e97a5b391.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3532

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yM2Zk9TP.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yM2Zk9TP.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5324

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hg45ca8.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hg45ca8.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3684

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 540
5⤵
- Program crash
PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 564
4⤵
- Program crash
PID:4476

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kj576CR.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kj576CR.exe
3⤵
- Executes dropped EXE
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3684 -ip 3684
1⤵
PID:5256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1392 -ip 1392
1⤵
PID:3792

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\yM2Zk9TP.exe
Filesize
437KB

MD5
705cb5b831d7a7454db04aa472898f25

SHA1
aa4bb3a6cdd8acc129601faec2f2cbfa4d7a1f50

SHA256
b4e915d7e210cb0d88417c62d27ce79da3e1777b1ee83d80431272a70df3660e

SHA512
1b7b45e3663cc7ea741ccd19a1752f690f60123018d2a3bfa5e71e1bd6bc0a968ddfd5ddeb4fed65843168c24fded8be724a59d29f7b00a8beb32ec95c52b9c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hg45ca8.exe
Filesize
410KB

MD5
dd39d6766988df9572a05bfafa4dbd2d

SHA1
01209e325068c539aae50e4351e94b04fb74fe05

SHA256
466c3fa9e210a3440ad94394ca86963d205c88078356a2e2db76d2cb4c664530

SHA512
193504b2bbc46c95aef5b38009722445210b7d60264b31bbc6dad2a5cd60b4d93cf9290399e21532dc42a5fd2ecb0aa2e2cec8ebd878ac0a3c358601d3510c56

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kj576CR.exe
Filesize
221KB

MD5
54d3afa0e01b3169885a55b4418fb403

SHA1
aeb5c38fd1160fbbf6c182cd7e04b6b5ee482af0

SHA256
abec754e378e00e900b42593c1c5345749d0ba29f6b5975ca371a2af64aea0a5

SHA512
d906386504cbabf2dede52a12831bc393a077b8b1f2b741537a1f0216859ca43000e14301641fde8b348422b4cc2539b6513466ef0cab1f55e4b0d937c3a620f

Download Submit
memory/1392-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1392-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1392-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1392-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4484-23-0x00000000075A0000-0x0000000007B44000-memory.dmp

Filesize
5.6MB

Download
memory/4484-22-0x00000000002F0000-0x000000000032E000-memory.dmp

Filesize
248KB

Download
memory/4484-24-0x0000000007090000-0x0000000007122000-memory.dmp

Filesize
584KB

Download
memory/4484-25-0x0000000004660000-0x000000000466A000-memory.dmp

Filesize
40KB

Download
memory/4484-26-0x0000000008170000-0x0000000008788000-memory.dmp

Filesize
6.1MB

Download
memory/4484-27-0x00000000073E0000-0x00000000074EA000-memory.dmp

Filesize
1.0MB

Download
memory/4484-28-0x00000000072A0000-0x00000000072B2000-memory.dmp

Filesize
72KB

Download
memory/4484-29-0x0000000007310000-0x000000000734C000-memory.dmp

Filesize
240KB

Download
memory/4484-30-0x0000000007350000-0x000000000739C000-memory.dmp

Filesize
304KB

Download