vidar | d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14

Resubmissions

09/08/2021, 17:35

210809-rtrm21wed610

09/08/2021, 15:53

210809-88nc1dq9bs10

09/08/2021, 01:41

210809-y8rlfmtpqx10

Analysis

max time kernel
128s
max time network
128s
platform
windows10_x64
resource
win10v20210410
submitted
09/08/2021, 15:53

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General

Target
d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
Size 772KB
Sample210809-88nc1dq9bs
SHA256 d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14
MD5 0081a566278a1f45e062ef869463935a
SHA1 6d49d75288d1e37d6c84e62d9bcaecb6c6fe4374
SHA512 2185e5150d9955f174f2fa2b35e54ad368ee63a4b82c3645a0371f8f1eadb945086dc6dd9a5a09c7520918c285fe7fbc173b0ff5bf86ccb9d94c4258d2fbefd4
MD5 SHA1 SHA512

Score

10^/10

vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Path

C:\_readme.txt

Ransom Note

ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-jTbSQT8ApY Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0324gDrgofRiXRqq62TeogIfmpihYZJ6wDmuUVD07WwczX6Bm

Emails

URLs

https://we.tl/t-jTbSQT8ApY

Extracted

Family

vidar

Version

39.9

Botnet

https://prophefliloc.tumblr.com/

Attributes

profile_id
517

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/2744-138-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/2744-139-0x000000000046B77D-mapping.dmp	family_vidar
behavioral2/memory/384-142-0x0000000004950000-0x00000000049EE000-memory.dmp	family_vidar
behavioral2/memory/2744-144-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 10 IoCs

pid	Process
384	build2.exe
3840	build3.exe
2460	build3.exe
2744	build2.exe
324	mstsca.exe
2836	mstsca.exe
2036	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
2596	mstsca.exe
3720	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
3152	mstsca.exe

Modifies extensions of user files 7 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\EditCopy.raw => C:\Users\Admin\Pictures\EditCopy.raw.reqg	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
File opened for modification	C:\Users\Admin\Pictures\OutWatch.tiff	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
File renamed	C:\Users\Admin\Pictures\OutWatch.tiff => C:\Users\Admin\Pictures\OutWatch.tiff.reqg	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
File renamed	C:\Users\Admin\Pictures\WriteSplit.png => C:\Users\Admin\Pictures\WriteSplit.png.reqg	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
File opened for modification	C:\Users\Admin\Pictures\BlockConnect.tiff	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
File renamed	C:\Users\Admin\Pictures\BlockConnect.tiff => C:\Users\Admin\Pictures\BlockConnect.tiff.reqg	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
File renamed	C:\Users\Admin\Pictures\ConfirmEnter.crw => C:\Users\Admin\Pictures\ConfirmEnter.crw.reqg	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe

Loads dropped DLL 2 IoCs

pid	Process
2744	build2.exe
2744	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
316	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\ea7fc39d-5ba6-44f9-9bc6-083074b92c58\\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe\" --AutoStart"	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	api.2ip.ua
18	api.2ip.ua
36	api.2ip.ua
7	api.2ip.ua

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 3916 set thread context of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3292 set thread context of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3840 set thread context of 2460	3840	build3.exe	85
PID 384 set thread context of 2744	384	build2.exe	86
PID 324 set thread context of 2836	324	mstsca.exe	95
PID 2036 set thread context of 3720	2036	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	100
PID 2596 set thread context of 3152	2596	mstsca.exe	101

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
780	schtasks.exe
224	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3848	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2172	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
2744	build2.exe
2744	build2.exe
2744	build2.exe
2744	build2.exe
2744	build2.exe
2744	build2.exe
2744	build2.exe
2744	build2.exe
3720	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
3720	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 3916 wrote to memory of 2728	3916	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	76
PID 2728 wrote to memory of 316	2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	77
PID 2728 wrote to memory of 316	2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	77
PID 2728 wrote to memory of 316	2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	77
PID 2728 wrote to memory of 3292	2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	78
PID 2728 wrote to memory of 3292	2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	78
PID 2728 wrote to memory of 3292	2728	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	78
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3292 wrote to memory of 3336	3292	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	80
PID 3336 wrote to memory of 384	3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	83
PID 3336 wrote to memory of 384	3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	83
PID 3336 wrote to memory of 384	3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	83
PID 3336 wrote to memory of 3840	3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	84
PID 3336 wrote to memory of 3840	3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	84
PID 3336 wrote to memory of 3840	3336	d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe	84
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 3840 wrote to memory of 2460	3840	build3.exe	85
PID 2460 wrote to memory of 780	2460	build3.exe	87
PID 2460 wrote to memory of 780	2460	build3.exe	87
PID 2460 wrote to memory of 780	2460	build3.exe	87
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 384 wrote to memory of 2744	384	build2.exe	86
PID 2744 wrote to memory of 3292	2744	build2.exe	90
PID 2744 wrote to memory of 3292	2744	build2.exe	90
PID 2744 wrote to memory of 3292	2744	build2.exe	90
PID 3292 wrote to memory of 2172	3292	cmd.exe	92
PID 3292 wrote to memory of 2172	3292	cmd.exe	92
PID 3292 wrote to memory of 2172	3292	cmd.exe	92
PID 3292 wrote to memory of 3848	3292	cmd.exe	93
PID 3292 wrote to memory of 3848	3292	cmd.exe	93
PID 3292 wrote to memory of 3848	3292	cmd.exe	93
PID 324 wrote to memory of 2836	324	mstsca.exe	95
PID 324 wrote to memory of 2836	324	mstsca.exe	95
PID 324 wrote to memory of 2836	324	mstsca.exe	95

C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
"C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
  "C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\ea7fc39d-5ba6-44f9-9bc6-083074b92c58" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:316
- - C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
    "C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3292
  - - C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
      "C:\Users\Admin\AppData\Local\Temp\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Modifies extensions of user files
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3336
    - - C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build2.exe
        
        "C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:384
      - C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build2.exe
        
        "C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2744
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:3292
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:2172
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:3848
    - - C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build3.exe
        
        "C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3840
      - C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build3.exe
        
        "C:\Users\Admin\AppData\Local\83ef7d04-a5b7-47b8-9954-13977739ab04\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2460
        
        C:\Windows\SysWOW64\schtasks.exe
        
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        7⤵
        Creates scheduled task(s)
        
        PID:780

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:324
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  PID:2836
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
    3⤵
    - Creates scheduled task(s)
    PID:224

C:\Users\Admin\AppData\Local\ea7fc39d-5ba6-44f9-9bc6-083074b92c58\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
C:\Users\Admin\AppData\Local\ea7fc39d-5ba6-44f9-9bc6-083074b92c58\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe --Task
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2036
- C:\Users\Admin\AppData\Local\ea7fc39d-5ba6-44f9-9bc6-083074b92c58\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe
  C:\Users\Admin\AppData\Local\ea7fc39d-5ba6-44f9-9bc6-083074b92c58\d6ab05ba157cf4abeb1e7a0aa6406a54aa5095a591963e1562981b9fb203de14.exe --Task
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:3720

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2596
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  PID:3152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/324-162-0x0000000003250000-0x000000000339A000-memory.dmp

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memory/384-142-0x0000000004950000-0x00000000049EE000-memory.dmp

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memory/2460-143-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/2460-134-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/2596-172-0x0000000003250000-0x00000000032FE000-memory.dmp

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memory/2728-117-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2728-114-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2744-138-0x0000000000400000-0x00000000004A1000-memory.dmp

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memory/2744-144-0x0000000000400000-0x00000000004A1000-memory.dmp

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memory/3336-127-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/3720-168-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/3840-141-0x0000000003250000-0x00000000032FE000-memory.dmp

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memory/3916-116-0x0000000004B20000-0x0000000004C3B000-memory.dmp

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