djvu | c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8

Analysis

max time kernel
299s
max time network
205s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 22:25

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General

Target
c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
Size 744KB
Sample240128-2cefkadacl
SHA256 c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8
MD5 4cd9c246e62582c3ee6b3ec5942909b0
SHA1 c7ca7da6f7cd68458874b6a0605e22211e2e475f
SHA512 f8c340fbbf113ef1fcce0dcdc9d0772777d375cd83b9cbaa7df17fa1b2ccb2957a0d0286bb1611d7712f1a33b3f1ebdc0b5212fceb0d702dee8e3903fce70e0d
SSDEEP 12288:08SXwuNVxXnLroQrUP1PXSKpyTQruwOAkcMtRDf3DK2/x:08VKFLrtKpsaO/TLV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu vidar e7447dc405edc4690f5920bdb056364f discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

http://habrafa.com/test1/get.php

Attributes

extension
.cdpo
offline_id
Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1
payload_url
http://brusuax.com/dl/build2.exe

http://habrafa.com/files/1/build3.exe
ransomnote
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-FCWSCsjEWS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0844OSkw

rsa_pubkey.plain

Extracted

Family

vidar

Version

Botnet

e7447dc405edc4690f5920bdb056364f

https://t.me/bogotatg
https://steamcommunity.com/profiles/76561199621829149

Attributes

profile_id_v2
e7447dc405edc4690f5920bdb056364f
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_3) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral1/memory/2780-75-0x0000000000230000-0x000000000025C000-memory.dmp	family_vidar_v7
behavioral1/memory/1072-76-0x0000000000400000-0x000000000063F000-memory.dmp	family_vidar_v7
behavioral1/memory/1072-79-0x0000000000400000-0x000000000063F000-memory.dmp	family_vidar_v7
behavioral1/memory/1072-81-0x0000000000400000-0x000000000063F000-memory.dmp	family_vidar_v7
behavioral1/memory/1072-232-0x0000000000400000-0x000000000063F000-memory.dmp	family_vidar_v7

Detected Djvu ransomware 14 IoCs

resource	yara_rule
behavioral1/memory/532-2-0x0000000002220000-0x000000000233B000-memory.dmp	family_djvu
behavioral1/memory/2168-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2168-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2168-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2168-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-80-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2892-194-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 14 IoCs

pid	Process
2780	build2.exe
1072	build2.exe
1736	build3.exe
2032	build3.exe
2348	mstsca.exe
2736	mstsca.exe
1360	mstsca.exe
1920	mstsca.exe
1716	mstsca.exe
1652	mstsca.exe
2240	mstsca.exe
2532	mstsca.exe
2996	mstsca.exe
2728	mstsca.exe

Loads dropped DLL 8 IoCs

pid	Process
2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
3056	WerFault.exe
3056	WerFault.exe
3056	WerFault.exe
3056	WerFault.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2752	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f7d066f5-16a1-4539-897a-e12b67387fdb\\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe\" --AutoStart"	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	api.2ip.ua
9	api.2ip.ua
3	api.2ip.ua

Suspicious use of SetThreadContext 9 IoCs

description	pid	Process	procid_target
PID 532 set thread context of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 2024 set thread context of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2780 set thread context of 1072	2780	build2.exe	34
PID 1736 set thread context of 2032	1736	build3.exe	37
PID 2348 set thread context of 2736	2348	mstsca.exe	46
PID 1360 set thread context of 1920	1360	mstsca.exe	50
PID 1716 set thread context of 1652	1716	mstsca.exe	52
PID 2240 set thread context of 2532	2240	mstsca.exe	54
PID 2996 set thread context of 2728	2996	mstsca.exe	56

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3056	1072	WerFault.exe	34

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/Job

T1053

pid	Process
772	schtasks.exe
2600	schtasks.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build2.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 532 wrote to memory of 2168	532	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	28
PID 2168 wrote to memory of 2752	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	29
PID 2168 wrote to memory of 2752	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	29
PID 2168 wrote to memory of 2752	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	29
PID 2168 wrote to memory of 2752	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	29
PID 2168 wrote to memory of 2024	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	30
PID 2168 wrote to memory of 2024	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	30
PID 2168 wrote to memory of 2024	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	30
PID 2168 wrote to memory of 2024	2168	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	30
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2024 wrote to memory of 2892	2024	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	31
PID 2892 wrote to memory of 2780	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	33
PID 2892 wrote to memory of 2780	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	33
PID 2892 wrote to memory of 2780	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	33
PID 2892 wrote to memory of 2780	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	33
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2780 wrote to memory of 1072	2780	build2.exe	34
PID 2892 wrote to memory of 1736	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	36
PID 2892 wrote to memory of 1736	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	36
PID 2892 wrote to memory of 1736	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	36
PID 2892 wrote to memory of 1736	2892	c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe	36
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 1736 wrote to memory of 2032	1736	build3.exe	37
PID 2032 wrote to memory of 772	2032	build3.exe	38
PID 2032 wrote to memory of 772	2032	build3.exe	38
PID 2032 wrote to memory of 772	2032	build3.exe	38
PID 2032 wrote to memory of 772	2032	build3.exe	38
PID 1072 wrote to memory of 3056	1072	build2.exe	41

C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
"C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
  "C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\f7d066f5-16a1-4539-897a-e12b67387fdb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2752
- - C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
    "C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
      "C:\Users\Admin\AppData\Local\Temp\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2892
    - - C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build2.exe
        
        "C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2780
      - C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build2.exe
        
        "C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build2.exe"
        6⤵
        Executes dropped EXE
        Modifies system certificate store
        Suspicious use of WriteProcessMemory
        
        PID:1072
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 1480
        7⤵
        Loads dropped DLL
        Program crash
        
        PID:3056
    - - C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build3.exe
        
        "C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1736
      - C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build3.exe
        
        "C:\Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2032
        
        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:772

C:\Windows\system32\taskeng.exe
taskeng.exe {2D26877D-5032-4E92-8983-56703C35E3BF} S-1-5-21-2444714103-3190537498-3629098939-1000:DJLAPDMX\Admin:Interactive:[1]
1⤵
PID:1632
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2348
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2736
  - - 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"
      4⤵
      Creates scheduled task(s)
      PID:2600
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1360
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1920
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1716
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1652
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2240
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2532
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2996
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Size 1KB
SHA256 c5dff2b8854fb9ed981ebdb1d6b621cf681bd1ac18ac44b14c138cd05352365b
MD5 28baf5fd68df59a9964b94cb39ffee77
SHA1 b3fddc328582ee68eeb23616393db9abb9e27380
SHA512 1487962f4c57144dac2278d6a0f04da56f6ba4f03c5467f9df1cc04896fe4fb8bb7286027ae274a95e46e6c0baad836384fe4ee969824efe295d4da2200ebcb7
MD5 SHA1 SHA512

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CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Size 724B
SHA256 58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
MD5 8202a1cd02e7d69597995cabbe881a12
SHA1 8858d9d934b7aa9330ee73de6c476acf19929ff6
SHA512 97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
MD5 SHA1 SHA512

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24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Size 410B
SHA256 6325ec6a760a1f590ca3c3f8d960825706a703631789c79561028d52c1a2c0ed
MD5 ef2bb122aab606d79b69f87c7457e481
SHA1 08cff5436328e2860dfde7e4c3f881aa3fc210b3
SHA512 021bd585297d9374fea5b08cb66adb6ac67b18f0b325d82895f0c80afc3623ed736ea15a240080a1cf755870e11120843a2fa4afc1792558271762d940d84636
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 344B
SHA256 81f6f91729bf9ae6e255cbe8ef447b8c21a0190170ac76cf0e3e0d2ad6c83632
MD5 3d5d3d657964b87a5403d22233e974f9
SHA1 cb463391976af13bdb55136943b6f73232d8428f
SHA512 233bc0e8c55896bb63a36db2e9ec7f097b8d4cb8a3468eeba3c85149fb696a72613ed55d76caba8fce44a1c8dc9c897c64667adb6c4f210c82f68ee52bd558e2
MD5 SHA1 SHA512

Submit Download

CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Size 392B
SHA256 61d7a1bd3aa39be02090d2cc06b38b596a6878997e662b9ba735fabae4211cf7
MD5 b3df079f4b9033661b11f1981d9f4cdb
SHA1 92cac64b3d84d5df556880ad65490bf0da454d83
SHA512 601e6c5af7ee14227f97f2bba13330c1fdc48ec9c66dbb92aed5c5355afce91f9e1e3b3275ba5dbc390a0ad6fb15eb70e90dde9260133b87cc9fd9d2f45f1afe
MD5 SHA1 SHA512

Submit Download

Cab5486.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab5486.tmp
Size 65KB
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
SSDEEP 1536:drFvD2YSE/sFDqV0FJJynkAhftCvMd3coa282frgW1qgNzU:drVDJSeaDqV0FJwLhVkr282fF5U
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar69BC.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar69BC.tmp
Size 171KB
SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
MD5 9c0c641c06238516f27941aa1166d427
SHA1 64cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA512 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06
SSDEEP 1536:+AuJ+lCUs0RvWqgCyPW5BXNWdm1wpyru2/3EwjYoz0VDTrubmt6mJp:+9J+q0RuXCyfdmAyru2/RAKtgp
MD5 SHA1 SHA512 SSDEEP

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c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe

Path C:\Users\Admin\AppData\Local\f7d066f5-16a1-4539-897a-e12b67387fdb\c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8.exe
Size 744KB
SHA256 c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8
MD5 4cd9c246e62582c3ee6b3ec5942909b0
SHA1 c7ca7da6f7cd68458874b6a0605e22211e2e475f
SHA512 f8c340fbbf113ef1fcce0dcdc9d0772777d375cd83b9cbaa7df17fa1b2ccb2957a0d0286bb1611d7712f1a33b3f1ebdc0b5212fceb0d702dee8e3903fce70e0d
SSDEEP 12288:08SXwuNVxXnLroQrUP1PXSKpyTQruwOAkcMtRDf3DK2/x:08VKFLrtKpsaO/TLV
MD5 SHA1 SHA512 SSDEEP

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mstsca.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Size 64KB
SHA256 b9cb5501cc2d257e049e1757062523c7f9ee5a85d57d46538fe492125befd26c
MD5 8b6a819c6926597dfa7529b692d7a6cc
SHA1 50c535e9cca464afd3a589d2231d87ce417d4312
SHA512 dfd28b270d99ad89f8ce1df9750b92ff558f73fe2448bf182b5c1c05c7b180bb29175eeaf5a7c918791d64b36167fc1a6044f1aaff838e02e878782f5f6c0ba9
SSDEEP 1536:dMSNcUZrUUMBNpSj6O0K+UizFvGSKG6tFhQq6:2SNChBNpSjDp+UidGSXiFhz6
MD5 SHA1 SHA512 SSDEEP

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mstsca.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Size 37KB
SHA256 30f3d85312349a66b09f4919f854397f5d22efb93c51869cf912f5139cf1302e
MD5 63c884c38dba3391efbdf368f04d7c77
SHA1 a9e60f480482519b457b51e523cfd4f14a798a04
SHA512 5bfe170355de1f1e0ac41b7cd437e9cd6e9702186bdca6847bfdff55a113c3c80539445b3618d1d59683385eea9d3d8b6d5e228cc4dbeaa98a1b66663d8670f9
SSDEEP 768:hrMh12NcUZrUUM4INduPbOUGwg/St3V6CvFqK5:dMSNcUZrUUMBNpSj6O0K5
MD5 SHA1 SHA512 SSDEEP

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build2.exe

Path \Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build2.exe
Size 262KB
SHA256 1ae4509fb8949fab80d4cc0fefec087af17e7c5654f2a66ac04f7372edaec5fe
MD5 9b00df1cca53e81d90dfc2548f8d9114
SHA1 a783bde9346c8ece56aa6fec12348fea40fdf6ec
SHA512 406e14898fadc9aa63021d15c1e23cc812f472c6dd1fb59a29de2c4660b573e26ba13b892b2d3755e29d6fe5fe30a4d1c0550e0aca9d0bf5ae936e59d3141ffc
SSDEEP 6144:yQJMwU36ic/kx/vVjjnJ8BvIv3yb2n9pF:97U36X/kx/vBJ8BvIv1n9P
MD5 SHA1 SHA512 SSDEEP

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build3.exe

Path \Users\Admin\AppData\Local\f1588ea8-77ae-41db-8253-a3a21b28921b\build3.exe
Size 299KB
SHA256 fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
MD5 41b883a061c95e9b9cb17d4ca50de770
SHA1 1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad
SHA512 cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319
SSDEEP 6144:2neDcgRQv5VaNT9DW7a6dtM9VstSttuvqIT:2O0v5VuT9DW7hdt9tKt2qI
MD5 SHA1 SHA512 SSDEEP

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memory/532-7-0x0000000000220000-0x00000000002B2000-memory.dmp

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memory/532-2-0x0000000002220000-0x000000000233B000-memory.dmp

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memory/532-1-0x0000000000220000-0x00000000002B2000-memory.dmp

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memory/532-0-0x0000000000220000-0x00000000002B2000-memory.dmp

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memory/1072-81-0x0000000000400000-0x000000000063F000-memory.dmp

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memory/1072-232-0x0000000000400000-0x000000000063F000-memory.dmp

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memory/1072-79-0x0000000000400000-0x000000000063F000-memory.dmp

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memory/1072-76-0x0000000000400000-0x000000000063F000-memory.dmp

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memory/1072-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1360-271-0x0000000000C50000-0x0000000000D50000-memory.dmp

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memory/1716-303-0x0000000000970000-0x0000000000A70000-memory.dmp

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memory/1736-218-0x0000000000250000-0x0000000000350000-memory.dmp

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memory/1736-220-0x00000000001B0000-0x00000000001B4000-memory.dmp

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memory/2024-35-0x00000000008E0000-0x0000000000972000-memory.dmp

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memory/2024-30-0x00000000008E0000-0x0000000000972000-memory.dmp

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memory/2024-28-0x00000000008E0000-0x0000000000972000-memory.dmp

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memory/2032-226-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/2032-224-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/2032-221-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/2168-9-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2168-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2168-5-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2168-8-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2168-27-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2240-328-0x0000000000270000-0x0000000000370000-memory.dmp

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memory/2348-242-0x0000000000950000-0x0000000000A50000-memory.dmp

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memory/2780-75-0x0000000000230000-0x000000000025C000-memory.dmp

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memory/2780-73-0x00000000005E0000-0x00000000006E0000-memory.dmp

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memory/2892-57-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-51-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-55-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-80-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-58-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-194-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-36-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-37-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2892-50-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2996-356-0x0000000000290000-0x0000000000390000-memory.dmp

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