djvu | 110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf

Analysis

max time kernel
144s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 15:49

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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 18 IoCs

resource	yara_rule
behavioral1/memory/4060-2-0x0000000003760000-0x000000000387B000-memory.dmp	family_djvu
behavioral1/memory/3424-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3424-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3424-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3424-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3424-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4036-39-0x0000000000400000-0x0000000000537000-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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3116	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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\ee5f6a04-234e-4b1d-86f1-76468633065d\\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
10	api.2ip.ua
11	api.2ip.ua
19	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4060 set thread context of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 2820 set thread context of 4036	2820	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
3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
4036	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
4036	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 4060 wrote to memory of 3424	4060	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	82
PID 3424 wrote to memory of 3116	3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	83
PID 3424 wrote to memory of 3116	3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	83
PID 3424 wrote to memory of 3116	3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	83
PID 3424 wrote to memory of 2820	3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	84
PID 3424 wrote to memory of 2820	3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	84
PID 3424 wrote to memory of 2820	3424	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	84
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	86
PID 2820 wrote to memory of 4036	2820	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:4060
- C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
  "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3424
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\ee5f6a04-234e-4b1d-86f1-76468633065d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:3116
- - 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:2820
  - - C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
      "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:4036

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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

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24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Size 410B
SHA256 0f564a27f50329027bdf2c33e72936865cc46f0e0543816a9cdce499270184b0
MD5 069f4340f44b4e227a56d48915dba575
SHA1 51d9163e3fc43bea940d27878f82b5f45d894476
SHA512 1404ebe6266a0461f24650849fbbad2ba4bad0f7fcf68392b388db589e5e871594c1434bc638e58dada40cc08823c7d0cc7c2d9a895ec9508de3ff9bdc2e5d34
MD5 SHA1 SHA512

Submit Download

CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Size 392B
SHA256 546c387a194e02a6f9ca50921f58283105a2e799f33100b4a302febd3cf2a28d
MD5 bcb1b23e3aff14aa0f1e325d07361767
SHA1 9558806cce1964050830d15fcae03153ddb03760
SHA512 4fbfcb9c5f0bc45c61f09685cc652d264922ab2577db7ccf5baf04ee7b82ec60630e2d93fcfb39889cefdcb0256a3d1b32c39cd09ec8cac47fc4f8d214eecf9f
MD5 SHA1 SHA512

Submit Download

110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Path C:\Users\Admin\AppData\Local\ee5f6a04-234e-4b1d-86f1-76468633065d\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/2820-32-0x0000000000400000-0x0000000001A7F000-memory.dmp

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memory/2820-22-0x0000000000400000-0x0000000001A7F000-memory.dmp

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memory/3424-5-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/3424-17-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/3424-3-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/3424-4-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/3424-6-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-23-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-31-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-21-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-39-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-30-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-29-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-28-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-20-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-38-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-34-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-37-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4036-36-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4060-1-0x00000000036C0000-0x0000000003760000-memory.dmp

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memory/4060-2-0x0000000003760000-0x000000000387B000-memory.dmp

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