djvu | e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c

General

Target

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
Size

864KB
MD5

44026b5522fd83419b8bf53ca150a0cc
SHA1

3f5baaf4b5f5476590793408464f3f0610d00e89
SHA256

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c
SHA512

e35eaac791257bf9d95cd4af52f33e45556e2d3c04ab76693db8a26093b15756ffc73fe97913c57bdb5f944c5cbed9b77e9db786066aee3e5cf352b6af2f3652
SSDEEP

12288:MPiOVS8CRUqOdnziAYkAH6CbsEqJLM2XbVfEFjOjf2YLYif6TqAxuqsQcY6Z:MKwdqOBzVAH6xEqFfREE1kjTpxu9X

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://rlrz.org/lancer/get.php

Attributes

extension
.zaps
offline_id
xcdIdDNFh62dy3iJsba1COhcfDENsbjPHQQ2Eht1
payload_url
http://znpst.top/dl/build2.exe

http://rlrz.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-pk3SGFlmek 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: 0341gSd743d

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2516-2-0x0000000000F10000-0x000000000102B000-memory.dmp	family_djvu
behavioral2/memory/540-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/540-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/540-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/540-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/540-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3352-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3352-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3352-25-0x0000000000400000-0x0000000000537000-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

Processes:

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

5064 icacls.exe

pid	process
5064	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\375da032-8569-483f-853f-ee40149c5488\\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe\" --AutoStart"	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.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

4 api.2ip.ua
5 api.2ip.ua

flow	ioc
4	api.2ip.ua
5	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

Processes:

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exee5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

description	pid	process	target process
PID 2516 set thread context of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 set thread context of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.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

1916 3352 WerFault.exe e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

pid	pid_target	process	target process
1916	3352	WerFault.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

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

Processes:

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exee5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exeicacls.exee5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exee5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

pid	process
540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exee5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exee5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
"C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
  "C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.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:540
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\375da032-8569-483f-853f-ee40149c5488" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:5064
- - C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
    "C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3240
  - - C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
      "C:\Users\Admin\AppData\Local\Temp\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      PID:3352
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 568
        5⤵
        Program crash
        
        PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3352 -ip 3352
1⤵
PID:4796

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\375da032-8569-483f-853f-ee40149c5488\e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

Filesize
864KB

MD5
44026b5522fd83419b8bf53ca150a0cc

SHA1
3f5baaf4b5f5476590793408464f3f0610d00e89

SHA256
e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c

SHA512
e35eaac791257bf9d95cd4af52f33e45556e2d3c04ab76693db8a26093b15756ffc73fe97913c57bdb5f944c5cbed9b77e9db786066aee3e5cf352b6af2f3652

Download Submit
memory/540-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/540-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/540-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/540-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/540-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2516-1-0x0000000000A90000-0x0000000000B2F000-memory.dmp

Filesize
636KB

Download
memory/2516-2-0x0000000000F10000-0x000000000102B000-memory.dmp

Filesize
1.1MB

Download
memory/3240-23-0x0000000000400000-0x0000000000907000-memory.dmp

Filesize
5.0MB

Download
memory/3240-29-0x0000000000400000-0x0000000000907000-memory.dmp

Filesize
5.0MB

Download
memory/3352-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3352-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3352-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

description	pid	process	target process
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 2516 wrote to memory of 540	2516	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 540 wrote to memory of 5064	540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	icacls.exe
PID 540 wrote to memory of 5064	540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	icacls.exe
PID 540 wrote to memory of 5064	540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	icacls.exe
PID 540 wrote to memory of 3240	540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 540 wrote to memory of 3240	540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 540 wrote to memory of 3240	540	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe
PID 3240 wrote to memory of 3352	3240	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe	e5d75153e389e1526499f700ce2ceb460c180abe94de1345427cc4454de1443c.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads