djvu | 079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1

General

Target

079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
Size

774KB
MD5

206a5afb1adfaf0ecfbbf8f5bfe115bf
SHA1

a120c4114ba234c9ee917a7acdabb2ef94db435f
SHA256

079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1
SHA512

b1c926e56d91fe61e8d896539f11641876d796d6417c87b468cd6d5af10cf293d61ad324bad328d795e8a5ab213b07202d0a077e38548a5a88d33cf500088e35
SSDEEP

12288:hl+hp/00meFbunp1FbmJZyaixmOV2aneWbcH67sNQOUlimSEXSHxx9F3aoK:8l09zsjya05neGcAsi4mJ2xkoK

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test2/get.php

Attributes

extension
.uazq
offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
payload_url
http://sdfjhuz.com/dl/build2.exe

http://sajdfue.com/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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0860PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral2/memory/2424-2-0x0000000004BB0000-0x0000000004CCB000-memory.dmp	family_djvu
behavioral2/memory/5116-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5116-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5116-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5116-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5116-15-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4976-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

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

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5076	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8bcd94de-eec6-416b-b842-8c070dbe8662\\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe\" --AutoStart"	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.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
6	api.2ip.ua
8	api.2ip.ua
10	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 3180 set thread context of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
4976	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
4976	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 2424 wrote to memory of 5116	2424	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	81
PID 5116 wrote to memory of 5076	5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	82
PID 5116 wrote to memory of 5076	5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	82
PID 5116 wrote to memory of 5076	5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	82
PID 5116 wrote to memory of 3180	5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	83
PID 5116 wrote to memory of 3180	5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	83
PID 5116 wrote to memory of 3180	5116	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	83
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86
PID 3180 wrote to memory of 4976	3180	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	86

C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
"C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
  "C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\8bcd94de-eec6-416b-b842-8c070dbe8662" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:5076
- - C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
    "C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3180
  - - C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
      "C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:4976

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
1KB

MD5
77fff4010e48018b867bb350fb78b7c2

SHA1
31b0dfcc0b92a789cd5c94dbf8d0f5aca820ed31

SHA256
3e95094f49fea7951fb5ea5551a8b344c1ec16ddaf4f5da7b6bfe1151afa9ee5

SHA512
78a8fc7de1b3cbbc2225790bf55fd64b3c7fa922b4601dcbb1103cc12491da71ebae1eebfaa3a2ce2e0b3b3a7b7229dd448012c23a707f84aae8fe0e996c7e89

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
410B

MD5
c66ab054838ce08a0d1fea95971415a7

SHA1
5fec7bd7c8a0ebfb561e079da1c65bf536967894

SHA256
7b5270a0bb5e94ac3b86a60a573ea7f7ecd38fc83f16ed0b25445904d69ac19e

SHA512
1e40319dd8580a879d58ed749bcc9bc207e74de60c2f23dbf37d5aee65e47cbba0bff1b3c3a6e09d8aac7e190ea070d82bcbb7a8e0ae56f3030590d269f776ec

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
392B

MD5
e537a3ae61220b4ed6bf76d7fbc5f59a

SHA1
f8f5ceae89c25db96b2c14183e83ae1b0677aa1c

SHA256
d563ce1280d4226c96832ff84dae2d420921426257ad1f89b91afb0305f2f5f8

SHA512
2f4e298b780b93a05d0146e621c4b22f06848f75d2a7a40ce9627b0f2c73c242db7ecea9a85806e052b09b72444b335e5d77882e1a32aaddfbb28883f65efdf4

Download Submit
C:\Users\Admin\AppData\Local\8bcd94de-eec6-416b-b842-8c070dbe8662\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe

Filesize
774KB

MD5
206a5afb1adfaf0ecfbbf8f5bfe115bf

SHA1
a120c4114ba234c9ee917a7acdabb2ef94db435f

SHA256
079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1

SHA512
b1c926e56d91fe61e8d896539f11641876d796d6417c87b468cd6d5af10cf293d61ad324bad328d795e8a5ab213b07202d0a077e38548a5a88d33cf500088e35

Download Submit
memory/2424-1-0x0000000002F80000-0x0000000003013000-memory.dmp

Filesize
588KB

Download
memory/2424-2-0x0000000004BB0000-0x0000000004CCB000-memory.dmp

Filesize
1.1MB

Download
memory/3180-19-0x0000000002FB0000-0x000000000304F000-memory.dmp

Filesize
636KB

Download
memory/4976-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-20-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4976-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5116-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5116-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5116-15-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5116-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5116-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads