djvu | 80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b

Analysis

max time kernel
140s
max time network
167s
platform
windows7_x64
resource
win7-en
submitted
06/09/2021, 06:40

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General

Target
80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
Size 791KB
Sample210906-he9vpsdfhp
SHA256 80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b
MD5 8b57e3d9d1390965bb10341f2f086c9b
SHA1 41a14e89089e0bd85b4e9c61bdb17abdd70eb0b4
SHA512 f2c1d9be9b3370c29703bbc4a7ac83fbeb3ac5752d8c69d25630ebd27a46fa0e969061cd9e45555d6522fe575fc6d2fcf761faa04caeaa5ddae2e136b711c171
MD5 SHA1 SHA512

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

40.4

Botnet

https://romkaxarit.tumblr.com/

Attributes

profile_id
517

Signatures

Detected Djvu ransomeware 6 IoCs

resource	yara_rule
behavioral1/memory/2020-53-0x0000000002430000-0x000000000254B000-memory.dmp	family_djvu
behavioral1/memory/1352-55-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1352-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1352-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1288-62-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1288-64-0x0000000000400000-0x0000000000537000-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
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral1/memory/1964-70-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral1/memory/1964-71-0x000000000049ECBD-mapping.dmp	family_vidar
behavioral1/memory/1632-74-0x0000000000300000-0x00000000003D3000-memory.dmp	family_vidar
behavioral1/memory/1964-75-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1632	build2.exe
1964	build2.exe

Loads dropped DLL 6 IoCs

pid	Process
1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
1964	build2.exe
1964	build2.exe
1964	build2.exe
1964	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1556	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-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\a422f00e-2666-42d6-9457-7edf78707a8b\\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe\" --AutoStart"	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.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 2 IoCs

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

flow	ioc
6	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 1044 set thread context of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1632 set thread context of 1964	1632	build2.exe	38

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
768	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1556	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	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	build2.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
1964	build2.exe
1964	build2.exe
1964	build2.exe
1964	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1556	taskkill.exe

Suspicious use of WriteProcessMemory 55 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 2020 wrote to memory of 1352	2020	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	27
PID 1352 wrote to memory of 1556	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	33
PID 1352 wrote to memory of 1556	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	33
PID 1352 wrote to memory of 1556	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	33
PID 1352 wrote to memory of 1556	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	33
PID 1352 wrote to memory of 1044	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	34
PID 1352 wrote to memory of 1044	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	34
PID 1352 wrote to memory of 1044	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	34
PID 1352 wrote to memory of 1044	1352	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	34
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1044 wrote to memory of 1288	1044	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	35
PID 1288 wrote to memory of 1632	1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	37
PID 1288 wrote to memory of 1632	1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	37
PID 1288 wrote to memory of 1632	1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	37
PID 1288 wrote to memory of 1632	1288	80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe	37
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1632 wrote to memory of 1964	1632	build2.exe	38
PID 1964 wrote to memory of 1720	1964	build2.exe	40
PID 1964 wrote to memory of 1720	1964	build2.exe	40
PID 1964 wrote to memory of 1720	1964	build2.exe	40
PID 1964 wrote to memory of 1720	1964	build2.exe	40
PID 1720 wrote to memory of 1556	1720	cmd.exe	42
PID 1720 wrote to memory of 1556	1720	cmd.exe	42
PID 1720 wrote to memory of 1556	1720	cmd.exe	42
PID 1720 wrote to memory of 1556	1720	cmd.exe	42
PID 1720 wrote to memory of 768	1720	cmd.exe	44
PID 1720 wrote to memory of 768	1720	cmd.exe	44
PID 1720 wrote to memory of 768	1720	cmd.exe	44
PID 1720 wrote to memory of 768	1720	cmd.exe	44

C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
"C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
  "C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\a422f00e-2666-42d6-9457-7edf78707a8b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1556
- - C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
    "C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1044
  - - C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe
      "C:\Users\Admin\AppData\Local\Temp\80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1288
    - - C:\Users\Admin\AppData\Local\dd54791b-c4db-4712-b5ff-3c75bfdad891\build2.exe
        
        "C:\Users\Admin\AppData\Local\dd54791b-c4db-4712-b5ff-3c75bfdad891\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1632
      - C:\Users\Admin\AppData\Local\dd54791b-c4db-4712-b5ff-3c75bfdad891\build2.exe
        
        "C:\Users\Admin\AppData\Local\dd54791b-c4db-4712-b5ff-3c75bfdad891\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Modifies system certificate store
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1964
        
        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\dd54791b-c4db-4712-b5ff-3c75bfdad891\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:1720
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1556
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:768

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/1288-64-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1352-54-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1352-56-0x00000000761B1000-0x00000000761B3000-memory.dmp

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memory/1352-57-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1632-74-0x0000000000300000-0x00000000003D3000-memory.dmp

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memory/1964-75-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/1964-70-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/2020-53-0x0000000002430000-0x000000000254B000-memory.dmp

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