djvu | 007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00

Analysis

max time kernel
157s
max time network
176s
platform
windows10_x64
resource
win10-en-20211208
submitted
03-02-2022 17:06

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General

Target

007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
Size

828KB
MD5

9501470fe5ea3232193373b54c6d8987
SHA1

f5eaf1fc0691910e9b35d080219f226e8935eb72
SHA256

007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00
SHA512

869946fa03e34de6a51239dd10d8bef9a24adce20807918fb71fdf676cd0dd4dab6fb710c02f20cebdac4e9d2008b53608fbc9379b02b1f62cf0e269782d4e88

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://fuyt.org/test1/get.php

Attributes

extension
.bbbw
offline_id
jYeuANkMCJOEtaXsN8JcBUuEjwSP20EGT4t2Nct1
payload_url
http://lencu.top/dl/build2.exe

http://fuyt.org/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-qqj8MrDVtG 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: 0382UIhfSd

rsa_pubkey.plain

Extracted

Family

vidar

Version

49.8

Botnet

517

https://c.im/@prophef3

https://qoto.org/@prophef41

Attributes

profile_id
517

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral1/memory/1972-116-0x00000000023A0000-0x00000000024BB000-memory.dmp	family_djvu
behavioral1/memory/2112-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2112-118-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2880-128-0x0000000000400000-0x0000000000537000-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

Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral1/memory/2904-132-0x0000000000400000-0x0000000000553000-memory.dmp	family_vidar
behavioral1/memory/2904-133-0x0000000000400000-0x0000000000553000-memory.dmp	family_vidar
behavioral1/memory/2904-136-0x0000000000400000-0x0000000000553000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2904	build2.exe

Loads dropped DLL 2 IoCs

pid	Process
2904	build2.exe
2904	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2780	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

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-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\990e3ece-a982-4807-9edf-c2774dfa40c5\\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe\" --AutoStart"	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.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
3	api.2ip.ua
4	api.2ip.ua
14	api.2ip.ua

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2904	build2.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1972 set thread context of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 3736 set thread context of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1780	2904	WerFault.exe	76

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	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
2880	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
2880	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
2904	build2.exe
2904	build2.exe
2904	build2.exe
2904	build2.exe
2904	build2.exe
2904	build2.exe
2904	build2.exe
2904	build2.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	1780	WerFault.exe
Token: SeBackupPrivilege	1780	WerFault.exe
Token: SeDebugPrivilege	1780	WerFault.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 1972 wrote to memory of 2112	1972	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	69
PID 2112 wrote to memory of 2780	2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	70
PID 2112 wrote to memory of 2780	2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	70
PID 2112 wrote to memory of 2780	2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	70
PID 2112 wrote to memory of 3736	2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	72
PID 2112 wrote to memory of 3736	2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	72
PID 2112 wrote to memory of 3736	2112	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	72
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 3736 wrote to memory of 2880	3736	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	74
PID 2880 wrote to memory of 2904	2880	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	76
PID 2880 wrote to memory of 2904	2880	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	76
PID 2880 wrote to memory of 2904	2880	007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe	76

C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
"C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
  "C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\990e3ece-a982-4807-9edf-c2774dfa40c5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2780
- - C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
    "C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3736
  - - C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe
      "C:\Users\Admin\AppData\Local\Temp\007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2880
    - - C:\Users\Admin\AppData\Local\28bf96a8-8143-41c9-93a8-4a93fba3c118\build2.exe
        
        "C:\Users\Admin\AppData\Local\28bf96a8-8143-41c9-93a8-4a93fba3c118\build2.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious behavior: EnumeratesProcesses
        
        PID:2904
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1468
        6⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1780

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

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/1972-116-0x00000000023A0000-0x00000000024BB000-memory.dmp

Filesize
1.1MB

Download
memory/2112-118-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2112-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2880-128-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2904-134-0x0000000002320000-0x0000000002365000-memory.dmp

Filesize
276KB

Download
memory/2904-133-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2904-135-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download
memory/2904-136-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2904-137-0x00000000745B0000-0x0000000074772000-memory.dmp

Filesize
1.8MB

Download
memory/2904-138-0x00000000777C0000-0x00000000778B1000-memory.dmp

Filesize
964KB

Download
memory/2904-132-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2904-131-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2904-141-0x0000000072A90000-0x0000000072AB4000-memory.dmp

Filesize
144KB

Download
memory/2904-142-0x0000000072AF0000-0x0000000072C24000-memory.dmp

Filesize
1.2MB

Download