djvu | 6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142

General

Target

6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
Size

699KB
MD5

beb88fa1d2a8cfcb7654235e13c33972
SHA1

fbda4527dc924c1a7f09a0a4aff2880490c7c00f
SHA256

6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142
SHA512

abdc02047cef3b96c4f250b0189076e1eb17b15ba5ee0d3619dad037970018738b966c82d815e27e022abe56d3f902808c52fe65b224959c10b9118b849eb3ac
SSDEEP

12288:GSoNEFoCmhLjE/cIENfD+8l+5as1iY31ia+Vs2+YQcc8Mn5MV51Vd85p19DI8NMo:XoIR8jE/cIElD+8pEiYou2+Gc8M5Mz1q

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ttii
offline_id
w6IKbZ9nGWp1wM5W7MK8obmynSc0Hx2FVdvsSzt1
payload_url
http://zerit.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-PRDjRCeB3y 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: 0465JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3356-3-0x0000000002310000-0x000000000242B000-memory.dmp	family_djvu
behavioral2/memory/1984-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1984-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1984-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1984-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1984-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4308-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4308-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4308-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3688 icacls.exe

pid	process
3688	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\fb8f10ff-3c1e-41b7-b01a-4fbf6055afde\\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe\" --AutoStart"	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 api.2ip.ua
7 api.2ip.ua

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

description	pid	process	target process
PID 3356 set thread context of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 set thread context of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5064 4308 WerFault.exe 6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

pid	pid_target	process	target process
5064	4308	WerFault.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

pid	process
1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
"C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
  "C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\fb8f10ff-3c1e-41b7-b01a-4fbf6055afde" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:3688
- - C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
    "C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
      "C:\Users\Admin\AppData\Local\Temp\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      PID:4308
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 568
        5⤵
        Program crash
        
        PID:5064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4308 -ip 4308
1⤵
PID:4360

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3760 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\fb8f10ff-3c1e-41b7-b01a-4fbf6055afde\6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

Filesize
699KB

MD5
beb88fa1d2a8cfcb7654235e13c33972

SHA1
fbda4527dc924c1a7f09a0a4aff2880490c7c00f

SHA256
6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142

SHA512
abdc02047cef3b96c4f250b0189076e1eb17b15ba5ee0d3619dad037970018738b966c82d815e27e022abe56d3f902808c52fe65b224959c10b9118b849eb3ac

Download Submit
memory/1256-22-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/1256-20-0x0000000002120000-0x00000000021B4000-memory.dmp

Filesize
592KB

Download
memory/1984-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1984-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1984-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1984-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1984-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3356-7-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/3356-0-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/3356-3-0x0000000002310000-0x000000000242B000-memory.dmp

Filesize
1.1MB

Download
memory/3356-2-0x0000000002270000-0x000000000230E000-memory.dmp

Filesize
632KB

Download
memory/4308-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4308-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4308-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

description	pid	process	target process
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 3356 wrote to memory of 1984	3356	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1984 wrote to memory of 3688	1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	icacls.exe
PID 1984 wrote to memory of 3688	1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	icacls.exe
PID 1984 wrote to memory of 3688	1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	icacls.exe
PID 1984 wrote to memory of 1256	1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1984 wrote to memory of 1256	1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1984 wrote to memory of 1256	1984	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe
PID 1256 wrote to memory of 4308	1256	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe	6de783c266e29db73043ada8afac07afd9f5428b184bcb5d9feed5b55edb8142.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads