djvu | 110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf

Analysis

max time kernel
143s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
08/05/2024, 15:49

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
Size 722KB
Sample240508-s9fkfsed52
SHA256 110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf
MD5 029f0e789f5b8d0b3f519b5bb9102754
SHA1 51752b151911083df2f34fde4ae2aaf91de5e930
SHA512 d8d2783d6d9707e1cc7347a8cc165ea2ed50e676f34882a36467205006a1c80aa11f1d84c157f57e227a497be769e45a6f82edc4b4a6fa2f015f21931bdbf06a
SSDEEP 12288:d/ZTwWDTxvNaEXzoOOIIaMowVsKRunMBeJA5EBPYplkhNPgmux2LvJ8n3xs61D0:dD3XzHOlaqVs+unwGAoY3kLPbTN61D0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.qeza
offline_id
jgILOjDrBgyzY4JmT3B2jDSyBmDPBruKk8bKs6t1
payload_url
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/665ddae3fc3cd10bbaaa4350408b196920240504141005/4cae7e 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: 0869PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 19 IoCs

resource	yara_rule
behavioral2/memory/2844-2-0x0000000003820000-0x000000000393B000-memory.dmp	family_djvu
behavioral2/memory/3308-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3308-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3308-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3308-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3308-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4064-32-0x0000000000400000-0x0000000001A7F000-memory.dmp	family_djvu
behavioral2/memory/2468-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2468-39-0x0000000000400000-0x0000000000537000-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
2016	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-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\9c05d49c-d6e6-42d5-9b40-a3f811ee599a\\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe\" --AutoStart"	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.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
1	api.2ip.ua
2	api.2ip.ua
5	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 4064 set thread context of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.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
3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
2468	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
2468	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 2844 wrote to memory of 3308	2844	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	80
PID 3308 wrote to memory of 2016	3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 3308 wrote to memory of 2016	3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 3308 wrote to memory of 2016	3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 3308 wrote to memory of 4064	3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	83
PID 3308 wrote to memory of 4064	3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	83
PID 3308 wrote to memory of 4064	3308	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	83
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 4064 wrote to memory of 2468	4064	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86

C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
"C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
  "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3308
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\9c05d49c-d6e6-42d5-9b40-a3f811ee599a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2016
- - C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
    "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4064
  - - C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
      "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Size 1KB
SHA256 68d7d325f0dfe055b5eab56d62508770fcda6e90c535eebc1f7f5b47513d0748
MD5 c2ddd6131bb0c41997c8da0d8994fd7d
SHA1 7069259aefeb312a0db100f91e215dc751bee162
SHA512 52ea8236a001b5582596a489cf12b810a963753c4a466449ab7287d04cfb083c500808f54ff5c834b0b4531f02dca426b8bae5abbe12c54e65bb5fa65d625098
MD5 SHA1 SHA512

Submit Download

CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Size 724B
SHA256 58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
MD5 8202a1cd02e7d69597995cabbe881a12
SHA1 8858d9d934b7aa9330ee73de6c476acf19929ff6
SHA512 97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
MD5 SHA1 SHA512

Submit Download

24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Size 410B
SHA256 b6422146e0e345acd6f4c8265fadf45c33c17c739c7987ec83fc3a94868411f5
MD5 136f309d136bf766e1331ced521aca0e
SHA1 62602785da381761f4ec71d5fb2b4ee1281369d6
SHA512 c3595a48b82992b216b8c27e5744e0f2ab48494a27363a9a36b52ccce59349c41ba3a905c9e0765e6ea5fc4867259affbfbd8d9ba7b31855501cc30ccfb73cf4
MD5 SHA1 SHA512

Submit Download

CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Size 392B
SHA256 6e7dbfde43a807f77b4c743f3601546f5a0444cdcc742050396efa7383d94fed
MD5 06396e6975093cdf76327e6668ccf00d
SHA1 548659c2034dea3f084a582817a555a120b59216
SHA512 d34e33d677bae3f9dc62765542dca9e77512806e4ea6666628b41577b1b6fde388d1b8ae036d1f8616f497f96b225bc31a5f1ec9bda157aae7cafd83b9f2d558
MD5 SHA1 SHA512

Submit Download

110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Path C:\Users\Admin\AppData\Local\9c05d49c-d6e6-42d5-9b40-a3f811ee599a\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
Size 722KB
SHA256 110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf
MD5 029f0e789f5b8d0b3f519b5bb9102754
SHA1 51752b151911083df2f34fde4ae2aaf91de5e930
SHA512 d8d2783d6d9707e1cc7347a8cc165ea2ed50e676f34882a36467205006a1c80aa11f1d84c157f57e227a497be769e45a6f82edc4b4a6fa2f015f21931bdbf06a
SSDEEP 12288:d/ZTwWDTxvNaEXzoOOIIaMowVsKRunMBeJA5EBPYplkhNPgmux2LvJ8n3xs61D0:dD3XzHOlaqVs+unwGAoY3kLPbTN61D0
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2468-30-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-39-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-38-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-21-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-20-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-23-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-36-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-37-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-34-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-31-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-28-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2468-29-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2844-2-0x0000000003820000-0x000000000393B000-memory.dmp

Download

memory/2844-1-0x0000000001CE0000-0x0000000001D7C000-memory.dmp

Download

memory/3308-4-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3308-3-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3308-5-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3308-6-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3308-17-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4064-32-0x0000000000400000-0x0000000001A7F000-memory.dmp

Download

memory/4064-22-0x0000000000400000-0x0000000001A7F000-memory.dmp

Download