djvu | e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee

General

Target

e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe
Size

829KB
MD5

37a19aaf3071c39904a5c0ee8d648097
SHA1

1231785f5b1b6179740bfd45f07abeca06d9214f
SHA256

e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee
SHA512

89d5db0fef8d75c8bf8e2d9147bee7f58a369e45559d4995ba0dd4a8985ea6b4a277a1e2d359665d2358d260e11b0db21d721e20bae6bf411f06f926df84f37a
SSDEEP

12288:QJ9OOg+lskmCPq60JtfZ7a6tcjefntPglilF0mQjMTtH+XCS4cbrDZFg:+9OmmbR7ejefhkiwmQwFQCqLZS

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/lancer/get.php

Attributes

extension
.azop
offline_id
GQ9DjFmWFDqpsyzsOnaxE1Xr4MPL1dG4vPfPDNt1
payload_url
http://colisumy.com/dl/build2.exe

http://zexeq.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. You can get and look video overview decrypt tool: https://we.tl/t-e5pgPH03fe 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: 0792

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 10 IoCs

resource	yara_rule
behavioral2/memory/5028-2-0x0000000004380000-0x000000000449B000-memory.dmp	family_djvu
behavioral2/memory/1040-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1040-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1040-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1040-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1040-15-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4816-18-0x00000000027B0000-0x000000000284A000-memory.dmp	family_djvu
behavioral2/memory/2092-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2092-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2092-23-0x0000000000400000-0x0000000000537000-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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2772	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-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\2144fb51-523c-431f-b4d6-1393b2e38348\\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe\" --AutoStart"	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.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
36	api.2ip.ua
35	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5028 set thread context of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 4816 set thread context of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94

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
3580	2092	WerFault.exe	94

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe
1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 5028 wrote to memory of 1040	5028	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	88
PID 1040 wrote to memory of 2772	1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	91
PID 1040 wrote to memory of 2772	1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	91
PID 1040 wrote to memory of 2772	1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	91
PID 1040 wrote to memory of 4816	1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	92
PID 1040 wrote to memory of 4816	1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	92
PID 1040 wrote to memory of 4816	1040	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	92
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94
PID 4816 wrote to memory of 2092	4816	e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe	94

C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe
"C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5028
- C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe
  "C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\2144fb51-523c-431f-b4d6-1393b2e38348" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2772
- - C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe
    "C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4816
  - - C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe
      "C:\Users\Admin\AppData\Local\Temp\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      PID:2092
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 568
        5⤵
        Program crash
        
        PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2092 -ip 2092
1⤵
PID:4360

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\2144fb51-523c-431f-b4d6-1393b2e38348\e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee.exe

Filesize
829KB

MD5
37a19aaf3071c39904a5c0ee8d648097

SHA1
1231785f5b1b6179740bfd45f07abeca06d9214f

SHA256
e29e268042de883f6244dc271313e8f2d29f2ba011e513f272c5c0598fbc59ee

SHA512
89d5db0fef8d75c8bf8e2d9147bee7f58a369e45559d4995ba0dd4a8985ea6b4a277a1e2d359665d2358d260e11b0db21d721e20bae6bf411f06f926df84f37a

Download Submit
memory/1040-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1040-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1040-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1040-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1040-15-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2092-20-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2092-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2092-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4816-18-0x00000000027B0000-0x000000000284A000-memory.dmp

Filesize
616KB

Download
memory/5028-1-0x0000000004230000-0x00000000042CC000-memory.dmp

Filesize
624KB

Download
memory/5028-2-0x0000000004380000-0x000000000449B000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads