djvu | bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4

General

Target
bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe
Size 776KB
Sample220401-jw6p2sdaar
SHA256 bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4
MD5 a93a3507275ef2c6b4613ee6ca9293bc
SHA1 a5cf8942c563f38db0fe205e5f3da63c440ef458
SHA512 4419c4ac81c1adedfcd79310a78dd52ab25eddb4b907f9a73021c0040565fed8aeb2cf22926b9bc64f3506788780ae1aa8b7e0ed55bf4ef8155785e250c7ce77
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.kkia
offline_id
dYUDKE4rrBmSPsf8srHMsyP40jle9uyxDDCfdxt1
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-NdDG3HIUZp 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: 0425Jsfkjn

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/1164-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1164-127-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1860-129-0x0000000002400000-0x000000000251B000-memory.dmp	family_djvu
behavioral2/memory/1164-130-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1860 set thread context of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	1164	WerFault.exe	76

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76
PID 1860 wrote to memory of 1164	1860	bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe	76

C:\Users\Admin\AppData\Local\Temp\bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe
"C:\Users\Admin\AppData\Local\Temp\bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe
  "C:\Users\Admin\AppData\Local\Temp\bcc5f2c69c785eb5b8cec1447d741ae718ecd3dc59da3b767b1f4834c804f7b4.exe"
  2⤵
  PID:1164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 536
    3⤵
    - Program crash
    PID:2520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1164 -ip 1164
1⤵
PID:2304

Network

MITRE ATT&CK Matrix

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Downloads

memory/1164-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1164-127-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1164-130-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1860-124-0x0000000000400000-0x0000000000505000-memory.dmp

Download

memory/1860-128-0x00000000006E5000-0x0000000000777000-memory.dmp

Download

memory/1860-129-0x0000000002400000-0x000000000251B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads