djvu | af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738

General

Target

JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
Size

761KB
MD5

512a0fbd3b7535d495580dfb44b6b33c
SHA1

6c324dce8586751d63004cc777d3a9264a067ec6
SHA256

af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738
SHA512

c4cfc33ec5beef2ad8a5f7ee1b4dc55aba53af80d2ef18cf1e06ec05b74c2691a7d2b85ecf3bb1cd0bad9fa7f98b3f338b48567fd3cec34e9e50dd633b863ae4
SSDEEP

12288:rkpg4pbED3TuOQ3VBBqVj0qTqIiaexND0ThY73CDHRsVZQVClkgZ44djA+dX4EG:oT5ED3TurPyjz2IiaeqYzWs3QAvZ44d8

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.dmay
offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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-FT7BNVbXC9 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: 0458JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 9 IoCs

resource	yara_rule
behavioral2/memory/3672-2-0x0000000002330000-0x000000000244B000-memory.dmp	family_djvu
behavioral2/memory/4244-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4244-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4244-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4244-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4244-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2608-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2608-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2608-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Djvu family
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
552	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\4d8b06b2-db81-4efa-b545-6ae744619c95\\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe\" --AutoStart"	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.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.

flow	ioc
12	api.2ip.ua
13	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3672 set thread context of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3092 set thread context of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1768	2608	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 3672 wrote to memory of 4244	3672	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	83
PID 4244 wrote to memory of 552	4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	85
PID 4244 wrote to memory of 552	4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	85
PID 4244 wrote to memory of 552	4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	85
PID 4244 wrote to memory of 3092	4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	86
PID 4244 wrote to memory of 3092	4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	86
PID 4244 wrote to memory of 3092	4244	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	86
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91
PID 3092 wrote to memory of 2608	3092	JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\4d8b06b2-db81-4efa-b545-6ae744619c95" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:552
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3092
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      PID:2608
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 572
        5⤵
        Program crash
        
        PID:1768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2608 -ip 2608
1⤵
PID:2464

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\4d8b06b2-db81-4efa-b545-6ae744619c95\JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738.exe

Filesize
761KB

MD5
512a0fbd3b7535d495580dfb44b6b33c

SHA1
6c324dce8586751d63004cc777d3a9264a067ec6

SHA256
af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738

SHA512
c4cfc33ec5beef2ad8a5f7ee1b4dc55aba53af80d2ef18cf1e06ec05b74c2691a7d2b85ecf3bb1cd0bad9fa7f98b3f338b48567fd3cec34e9e50dd633b863ae4

Download Submit
memory/2608-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3092-19-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3092-22-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3672-2-0x0000000002330000-0x000000000244B000-memory.dmp

Filesize
1.1MB

Download
memory/3672-1-0x0000000002290000-0x0000000002329000-memory.dmp

Filesize
612KB

Download
memory/4244-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4244-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4244-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4244-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4244-17-0x0000000000400000-0x0000000000537000-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