djvu | 76ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6

General

Target

e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
Size

711KB
MD5

e9b7be0e8c22db244de8af36e27a659d
SHA1

4161eac953f65889890904479e43333e3969f409
SHA256

76ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6
SHA512

9863c1b1841c692f5206372763a62eace87e1a85a295c7acfa6e6dfc59b7d1531d56cb2e0a7886f0eb2c08824a4c9fd789866f2a1f353a4b867b57d7f74cc001
SSDEEP

12288:YsQq4qRTKKrRZU8XdT0LAQIenXN14XXKH1ruCkL5/qwW/laO:sq4qlrs8XdAke911YLGMO

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://astdg.top/fhsgtsspen6/get.php

Attributes

extension
.hoop
offline_id
922IaqlBU1I6IKX6eTDABuH3amHHwoa5qUSb8vt1
payload_url
http://securebiz.org/dl/build2.exe

http://astdg.top/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-I6qIbIYiz9 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: 0326gDrgo

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral2/memory/2928-2-0x0000000004BE0000-0x0000000004CFB000-memory.dmp	family_djvu
behavioral2/memory/2244-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2244-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2244-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2244-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2244-15-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3112-37-0x0000000000400000-0x0000000000537000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2008	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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\2e0a74d6-697e-4453-8ee0-5abc3639c582\\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe\" --AutoStart"	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.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
13	api.2ip.ua
14	api.2ip.ua
20	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 1960 set thread context of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98

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
2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
3112	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
3112	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2928 wrote to memory of 2244	2928	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	90
PID 2244 wrote to memory of 2008	2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	93
PID 2244 wrote to memory of 2008	2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	93
PID 2244 wrote to memory of 2008	2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	93
PID 2244 wrote to memory of 1960	2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	94
PID 2244 wrote to memory of 1960	2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	94
PID 2244 wrote to memory of 1960	2244	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	94
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98
PID 1960 wrote to memory of 3112	1960	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\2e0a74d6-697e-4453-8ee0-5abc3639c582" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2008
- - C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1960
  - - C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:3112

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

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Downloads

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

Filesize
1KB

MD5
fc5408c48a55314c72e200b74330cac4

SHA1
7e8889ec3189a40e6078088927bf3612753fa628

SHA256
7ea2a016d97635b1367455af2250cbf9e9c34d293829d11fc21ce905347590c4

SHA512
481753ef755c188012919ea728ea0395f22b6ce83f2f9a11675be6072f154db141b2382dc62ad7c3c95e36596529176a66f40e3d118cf0e33ea8e6f716ae1d77

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
d078ea4c02e5089e9b92bd62e9dedab3

SHA1
abac8c060bf17059915cc8f27c04ff70876e8c8e

SHA256
c3f8a299f7b7ae86d7bc4e1f6c77f78b406fe4e3d874ca4e53748dcabd613843

SHA512
f5ebcb741600b12c7523fcec38527c1703249d5620a93698ad294bc4fa638d9fd22294abd092edf501ed175105e198776494c1d847748c367786b0c7d99eed3e

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

Filesize
392B

MD5
0adb9743df5d307aefcb29770618facb

SHA1
fc21e18b0f37b106f360ea59fc99f4624981387c

SHA256
4dea5312eea6e8b893029b22758170c8cec558fe05902848a9a9445f9b0f9c0f

SHA512
8c6e2df1915538b1769d524366d3db2c16321899e55ae74fc776a4f97793d6b68bc4db10b9cb1166adc5816a4c2a86cf6aaa3751745541d35793d34f9389e4d6

Download Submit
C:\Users\Admin\AppData\Local\2e0a74d6-697e-4453-8ee0-5abc3639c582\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe

Filesize
711KB

MD5
e9b7be0e8c22db244de8af36e27a659d

SHA1
4161eac953f65889890904479e43333e3969f409

SHA256
76ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6

SHA512
9863c1b1841c692f5206372763a62eace87e1a85a295c7acfa6e6dfc59b7d1531d56cb2e0a7886f0eb2c08824a4c9fd789866f2a1f353a4b867b57d7f74cc001

Download Submit
memory/1960-18-0x00000000047F0000-0x0000000004885000-memory.dmp

Filesize
596KB

Download
memory/2244-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2244-15-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2244-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2244-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2244-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2928-1-0x0000000004AA0000-0x0000000004B33000-memory.dmp

Filesize
588KB

Download
memory/2928-2-0x0000000004BE0000-0x0000000004CFB000-memory.dmp

Filesize
1.1MB

Download
memory/3112-20-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-37-0x0000000000400000-0x0000000000537000-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