vidar | d0da8d292459d68df7dbbd65379e80e970b79f93307f05aca7b95e967ad86d52

Analysis

max time kernel
147s
max time network
187s
platform
windows7_x64
resource
win7v20210410
submitted
06/07/2021, 06:21

Sharing

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General

Target
7af67758fb6927cdcbafac6523afccd2.exe
Size 761KB
Sample210706-e132r1tjbe
SHA256 d0da8d292459d68df7dbbd65379e80e970b79f93307f05aca7b95e967ad86d52
MD5 7af67758fb6927cdcbafac6523afccd2
SHA1 2fa119c38c0a4971796b8205241e8f81c8e2f9cd
SHA512 c3be0549e8e1eedd7e8576da2ffaa0da023f3ace525413531cac8b2faea6c83eeb9bc656bde852048c2d0cf96c302b6a36d5138bcaa5d5ef59025285e897a0bc
MD5 SHA1 SHA512

Score

10^/10

vidar 517 discovery persistence ransomware spyware stealer

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-fhnNOAYC8Z 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: 0312ewgfDdOcMcAt2OQZqFzJadYhow9MqoFd992adkvAnhUo2b

Emails

URLs

https://we.tl/t-fhnNOAYC8Z

Extracted

Family

vidar

Version

39.4

Botnet

https://sergeevih43.tumblr.com

Attributes

profile_id
517

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral1/memory/1724-83-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1724-84-0x000000000046B76D-mapping.dmp	family_vidar
behavioral1/memory/1668-87-0x0000000000350000-0x00000000003EE000-memory.dmp	family_vidar
behavioral1/memory/1724-88-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
1668	build2.exe
1724	build2.exe
1228	7af67758fb6927cdcbafac6523afccd2.exe
1676	7af67758fb6927cdcbafac6523afccd2.exe

Modifies extensions of user files 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\SelectRead.crw => C:\Users\Admin\Pictures\SelectRead.crw.zqqw	7af67758fb6927cdcbafac6523afccd2.exe
File renamed	C:\Users\Admin\Pictures\ConnectSet.crw => C:\Users\Admin\Pictures\ConnectSet.crw.zqqw	7af67758fb6927cdcbafac6523afccd2.exe
File renamed	C:\Users\Admin\Pictures\DenyRequest.png => C:\Users\Admin\Pictures\DenyRequest.png.zqqw	7af67758fb6927cdcbafac6523afccd2.exe
File renamed	C:\Users\Admin\Pictures\MergeProtect.tif => C:\Users\Admin\Pictures\MergeProtect.tif.zqqw	7af67758fb6927cdcbafac6523afccd2.exe
File renamed	C:\Users\Admin\Pictures\SelectPop.raw => C:\Users\Admin\Pictures\SelectPop.raw.zqqw	7af67758fb6927cdcbafac6523afccd2.exe

Loads dropped DLL 6 IoCs

pid	Process
592	7af67758fb6927cdcbafac6523afccd2.exe
592	7af67758fb6927cdcbafac6523afccd2.exe
1724	build2.exe
1724	build2.exe
1724	build2.exe
1724	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1852	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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\16066284-eb5d-43d9-836b-ac63e1f74d6f\\7af67758fb6927cdcbafac6523afccd2.exe\" --AutoStart"	7af67758fb6927cdcbafac6523afccd2.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
13	api.2ip.ua
28	api.2ip.ua
4	api.2ip.ua
5	api.2ip.ua

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1160 set thread context of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 484 set thread context of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 1668 set thread context of 1724	1668	build2.exe	37
PID 1228 set thread context of 1676	1228	7af67758fb6927cdcbafac6523afccd2.exe	46

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1524	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1748	taskkill.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	7af67758fb6927cdcbafac6523afccd2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	7af67758fb6927cdcbafac6523afccd2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	7af67758fb6927cdcbafac6523afccd2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	7af67758fb6927cdcbafac6523afccd2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	7af67758fb6927cdcbafac6523afccd2.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1692	7af67758fb6927cdcbafac6523afccd2.exe
1692	7af67758fb6927cdcbafac6523afccd2.exe
592	7af67758fb6927cdcbafac6523afccd2.exe
592	7af67758fb6927cdcbafac6523afccd2.exe
1724	build2.exe
1724	build2.exe
1724	build2.exe
1724	build2.exe
592	7af67758fb6927cdcbafac6523afccd2.exe
1676	7af67758fb6927cdcbafac6523afccd2.exe
1676	7af67758fb6927cdcbafac6523afccd2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1160 wrote to memory of 1692	1160	7af67758fb6927cdcbafac6523afccd2.exe	29
PID 1692 wrote to memory of 1852	1692	7af67758fb6927cdcbafac6523afccd2.exe	32
PID 1692 wrote to memory of 1852	1692	7af67758fb6927cdcbafac6523afccd2.exe	32
PID 1692 wrote to memory of 1852	1692	7af67758fb6927cdcbafac6523afccd2.exe	32
PID 1692 wrote to memory of 1852	1692	7af67758fb6927cdcbafac6523afccd2.exe	32
PID 1692 wrote to memory of 484	1692	7af67758fb6927cdcbafac6523afccd2.exe	33
PID 1692 wrote to memory of 484	1692	7af67758fb6927cdcbafac6523afccd2.exe	33
PID 1692 wrote to memory of 484	1692	7af67758fb6927cdcbafac6523afccd2.exe	33
PID 1692 wrote to memory of 484	1692	7af67758fb6927cdcbafac6523afccd2.exe	33
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 484 wrote to memory of 592	484	7af67758fb6927cdcbafac6523afccd2.exe	34
PID 592 wrote to memory of 1668	592	7af67758fb6927cdcbafac6523afccd2.exe	35
PID 592 wrote to memory of 1668	592	7af67758fb6927cdcbafac6523afccd2.exe	35
PID 592 wrote to memory of 1668	592	7af67758fb6927cdcbafac6523afccd2.exe	35
PID 592 wrote to memory of 1668	592	7af67758fb6927cdcbafac6523afccd2.exe	35
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1668 wrote to memory of 1724	1668	build2.exe	37
PID 1724 wrote to memory of 1820	1724	build2.exe	39
PID 1724 wrote to memory of 1820	1724	build2.exe	39
PID 1724 wrote to memory of 1820	1724	build2.exe	39
PID 1724 wrote to memory of 1820	1724	build2.exe	39
PID 1820 wrote to memory of 1748	1820	cmd.exe	41
PID 1820 wrote to memory of 1748	1820	cmd.exe	41
PID 1820 wrote to memory of 1748	1820	cmd.exe	41
PID 1820 wrote to memory of 1748	1820	cmd.exe	41
PID 1820 wrote to memory of 1524	1820	cmd.exe	43
PID 1820 wrote to memory of 1524	1820	cmd.exe	43
PID 1820 wrote to memory of 1524	1820	cmd.exe	43
PID 1820 wrote to memory of 1524	1820	cmd.exe	43
PID 272 wrote to memory of 1228	272	taskeng.exe	45
PID 272 wrote to memory of 1228	272	taskeng.exe	45
PID 272 wrote to memory of 1228	272	taskeng.exe	45
PID 272 wrote to memory of 1228	272	taskeng.exe	45
PID 1228 wrote to memory of 1676	1228	7af67758fb6927cdcbafac6523afccd2.exe	46
PID 1228 wrote to memory of 1676	1228	7af67758fb6927cdcbafac6523afccd2.exe	46
PID 1228 wrote to memory of 1676	1228	7af67758fb6927cdcbafac6523afccd2.exe	46
PID 1228 wrote to memory of 1676	1228	7af67758fb6927cdcbafac6523afccd2.exe	46
PID 1228 wrote to memory of 1676	1228	7af67758fb6927cdcbafac6523afccd2.exe	46

C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe
"C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe
  "C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\16066284-eb5d-43d9-836b-ac63e1f74d6f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1852
- - C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe
    "C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:484
  - - C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe
      "C:\Users\Admin\AppData\Local\Temp\7af67758fb6927cdcbafac6523afccd2.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Modifies extensions of user files
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:592
    - - C:\Users\Admin\AppData\Local\3932a415-0a38-4b7a-8051-1605524c581b\build2.exe
        
        "C:\Users\Admin\AppData\Local\3932a415-0a38-4b7a-8051-1605524c581b\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1668
      - C:\Users\Admin\AppData\Local\3932a415-0a38-4b7a-8051-1605524c581b\build2.exe
        
        "C:\Users\Admin\AppData\Local\3932a415-0a38-4b7a-8051-1605524c581b\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1724
        
        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\3932a415-0a38-4b7a-8051-1605524c581b\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:1820
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1748
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:1524

C:\Windows\system32\taskeng.exe
taskeng.exe {A2290FB2-D38E-40A0-991A-E02122909389} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:272
- C:\Users\Admin\AppData\Local\16066284-eb5d-43d9-836b-ac63e1f74d6f\7af67758fb6927cdcbafac6523afccd2.exe
  C:\Users\Admin\AppData\Local\16066284-eb5d-43d9-836b-ac63e1f74d6f\7af67758fb6927cdcbafac6523afccd2.exe --Task
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1228
- - C:\Users\Admin\AppData\Local\16066284-eb5d-43d9-836b-ac63e1f74d6f\7af67758fb6927cdcbafac6523afccd2.exe
    C:\Users\Admin\AppData\Local\16066284-eb5d-43d9-836b-ac63e1f74d6f\7af67758fb6927cdcbafac6523afccd2.exe --Task
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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/592-77-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1160-62-0x0000000002D20000-0x0000000002E3B000-memory.dmp

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memory/1668-87-0x0000000000350000-0x00000000003EE000-memory.dmp

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memory/1692-59-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1692-63-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1692-61-0x0000000075551000-0x0000000075553000-memory.dmp

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memory/1724-88-0x0000000000400000-0x00000000004A1000-memory.dmp

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memory/1724-83-0x0000000000400000-0x00000000004A1000-memory.dmp

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