mystic | 47889c48da4c5e390f10c04d8390b2c5d9f68bec127bf0e18bbe686b9079b922

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 17:43

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General

Target

73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe
Size

747KB
MD5

c433de9c0a0f7a20b28cf2b91f09db49
SHA1

a428304a4fdde5954e04ad84e432857a9da0d4a8
SHA256

73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf
SHA512

641050f74b611c3b566290f4f466ea08f26145a3956ac2881b131635151b60caa70e6406642beaa864b273d8e812d6bf9e0781bad15c57c0c076165bc9cfeda5
SSDEEP

12288:6MrAy90F1LOzr6fDc67Zi2XabPD7z01KHlrdM3w1p2w73S1C+OMg7N5t9e:WyWk+r7Zi2ayKHvGo73S1C+OMEfe

Score

10^/10

mystic redline frant evasion infostealer persistence stealer trojan

Malware Config

Extracted

Family

redline

Botnet

frant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral11/memory/4500-54-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral11/memory/4500-57-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral11/memory/4500-55-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1BH01Qb3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1BH01Qb3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1BH01Qb3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1BH01Qb3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	1BH01Qb3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1BH01Qb3.exe

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 1 IoCs

resource	yara_rule
behavioral11/memory/2444-61-0x0000000000400000-0x000000000043E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
3248	df8Rb23.exe
932	1BH01Qb3.exe
2620	2eA44rQ.exe
1400	3QD8902.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	1BH01Qb3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	1BH01Qb3.exe

Adds Run key to start application 2 TTPs 2 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\\\""	73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.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\\\""	df8Rb23.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2620 set thread context of 4500	2620	2eA44rQ.exe	97
PID 1400 set thread context of 2444	1400	3QD8902.exe	103

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2744	sc.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1756	2620	WerFault.exe	95
1960	1400	WerFault.exe	101

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
932	1BH01Qb3.exe
932	1BH01Qb3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	932	1BH01Qb3.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 3248	4984	73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe	83
PID 4984 wrote to memory of 3248	4984	73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe	83
PID 4984 wrote to memory of 3248	4984	73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe	83
PID 3248 wrote to memory of 932	3248	df8Rb23.exe	84
PID 3248 wrote to memory of 932	3248	df8Rb23.exe	84
PID 3248 wrote to memory of 932	3248	df8Rb23.exe	84
PID 3248 wrote to memory of 2620	3248	df8Rb23.exe	95
PID 3248 wrote to memory of 2620	3248	df8Rb23.exe	95
PID 3248 wrote to memory of 2620	3248	df8Rb23.exe	95
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 2620 wrote to memory of 4500	2620	2eA44rQ.exe	97
PID 4984 wrote to memory of 1400	4984	73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe	101
PID 4984 wrote to memory of 1400	4984	73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe	101
PID 4984 wrote to memory of 1400	4984	73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe	101
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103
PID 1400 wrote to memory of 2444	1400	3QD8902.exe	103

C:\Users\Admin\AppData\Local\Temp\73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe
"C:\Users\Admin\AppData\Local\Temp\73935ea9dd223123d7d2e2b97d297ba24e82bd39f8b4e6004027a7cc1b07ffcf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\df8Rb23.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\df8Rb23.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1BH01Qb3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1BH01Qb3.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:932
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eA44rQ.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eA44rQ.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2620
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4500
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 152
      4⤵
      Program crash
      PID:1756
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3QD8902.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3QD8902.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 152
    3⤵
    - Program crash
    PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2620 -ip 2620
1⤵
PID:1824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1400 -ip 1400
1⤵
PID:1176

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:2744

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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\3QD8902.exe

Filesize
459KB

MD5
a38ce3e2dc246d8e40f95186737c588f

SHA1
87eb3f865fdd506f345d1d586f4d8c4d490f669a

SHA256
c42efcd5f53c75f36a6ed5c8f8be82359b848285ffb0fc5acc12fbd625c7028e

SHA512
9b6dec7f0eaae988f522ec927e0082dd03ead7605387c52d6184ee899154c85e9f180622b7ca32377a9e9a0b1972e24131e0a47e2b27797c55736b25261d27c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\df8Rb23.exe

Filesize
452KB

MD5
157072cd36de9231a92dd0e5381e7b38

SHA1
cba43a3e1887d5d4ae4a598ca559632aabf7ba74

SHA256
31c4e83d28c94e0693560e7ad3b97f8ceb8f37f71d78176601df6289970ac372

SHA512
91dd600f665035d17508ff06df992026e4d4dbe0b0d8c1fe23ff29d9d248e92f0f6b715ba2d1712d0c8bdeb226ff4168132f40316c5e307d42c58a083b35dabf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1BH01Qb3.exe

Filesize
192KB

MD5
8904f85abd522c7d0cb5789d9583ccff

SHA1
5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

SHA256
7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

SHA512
04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eA44rQ.exe

Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
memory/932-30-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-24-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-18-0x0000000004990000-0x00000000049AC000-memory.dmp

Filesize
112KB

Download
memory/932-19-0x0000000073CE0000-0x0000000074490000-memory.dmp

Filesize
7.7MB

Download
memory/932-20-0x0000000073CE0000-0x0000000074490000-memory.dmp

Filesize
7.7MB

Download
memory/932-46-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-48-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-44-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-42-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-40-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-38-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-36-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-34-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-32-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-16-0x0000000004AE0000-0x0000000005084000-memory.dmp

Filesize
5.6MB

Download
memory/932-28-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-26-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-17-0x0000000073CE0000-0x0000000074490000-memory.dmp

Filesize
7.7MB

Download
memory/932-22-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-21-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/932-50-0x0000000073CE0000-0x0000000074490000-memory.dmp

Filesize
7.7MB

Download
memory/932-15-0x00000000022D0000-0x00000000022EE000-memory.dmp

Filesize
120KB

Download
memory/932-14-0x0000000073CEE000-0x0000000073CEF000-memory.dmp

Filesize
4KB

Download
memory/2444-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2444-62-0x00000000072F0000-0x0000000007382000-memory.dmp

Filesize
584KB

Download
memory/2444-63-0x00000000025A0000-0x00000000025AA000-memory.dmp

Filesize
40KB

Download
memory/2444-64-0x0000000008390000-0x00000000089A8000-memory.dmp

Filesize
6.1MB

Download
memory/2444-65-0x0000000007650000-0x000000000775A000-memory.dmp

Filesize
1.0MB

Download
memory/2444-66-0x00000000074B0000-0x00000000074C2000-memory.dmp

Filesize
72KB

Download
memory/2444-67-0x0000000007540000-0x000000000757C000-memory.dmp

Filesize
240KB

Download
memory/2444-68-0x00000000074D0000-0x000000000751C000-memory.dmp

Filesize
304KB

Download
memory/4500-57-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4500-55-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4500-54-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download