djvu | ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

General

Target

L22_File.zip.virus
Size

6.4MB
Sample

220905-mdfbxsfcdj
MD5

72a9f4e777d2f5046a47a5d580986444
SHA1

3d64114624dc2f1c96485cb7c193ea95fab4f731
SHA256

ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041
SHA512

23eddd86be0fed3f86de09378c55f85b0e47f967432edb079abb242fb046693c8d58734a32784e65729ca538e5492dddc18c498c7986b88da4302bb9420395ec
SSDEEP

196608:Tjfhn41BNL8oYEzjTy1vt2Dv4WoeUnpxQS+i+:vZn41B95j2vt2sci+

Score

10^/10

Malware Config

Extracted

Family

privateloader

C2

http://163.123.143.4/proxies.txt

http://107.182.129.251/server.txt

pastebin.com/raw/A7dSG1te

http://wfsdragon.ru/api/setStats.php

163.123.143.12

Attributes

payload_url
https://vipsofts.xyz/files/mega.bmp

Extracted

Family

djvu

C2

http://acacaca.org/test3/get.php

Attributes

extension
.oovb
offline_id
6GXhR4uyHH9NXT2qot14T0HeNSviNKH0Q6PGVNt1
payload_url
http://rgyui.top/dl/build2.exe

http://acacaca.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  Install.exe
- Size
  
  435.0MB
- MD5
  
  2a27acc2f6b26b15d6d839d43a6b6bc0
- SHA1
  
  661dca9bd343226ae54da0e21f12ef1e181b1776
- SHA256
  
  006fd40f696d274a44535fcf35d6130445842b148115db48c5b859a8519cdc77
- SHA512
  
  ebf8bfdf7529429a400ad39d473da0e43752c6cd16dffaadd067e38b3e0c9991664217d15931a73f7f78a0160cdbd4f5710699d2f293c1638ae8d1ed5f7940ee
- SSDEEP
  
  98304:Ak/AHdxT8BEU8MkJwe65adTX4a2tYsUxKr76hwrrKqdSlwrWL:Ak/i8jkJjLd8a2UxIzGwyL
Score

10^/10

djvu privateloader ytstealer discovery evasion loader ransomware spyware stealer themida trojan upx vmprotect
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- PrivateLoader
  PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
  loader privateloader
- YTStealer
  YTStealer is a malware designed to steal YouTube authentication cookies.
  stealer ytstealer
- YTStealer payload
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Downloads MZ/PE file
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Checks whether UAC is enabled
  evasion trojan
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  
  langs/Hungarian.ini
- Size
  
  107KB
- MD5
  
  7591df7fae4342cbc7a0706e1b28e87b
- SHA1
  
  825e88ad498e8713522f5aef3b21ee01d6fa8b41
- SHA256
  
  fe9997629d296908247a2e82da6c369e2ea7eb4c87b12fc7c8d3ecb3e6fc320d
- SHA512
  
  8f58c6fbaf5ea140a3ecbbc88cbf4bdd0e0ba3fbdf169f4b7cb831094a47a6ead103f89fc07748f91d1396ebd13c7ebcc90a316f0eb203ff4c86a50be5cd3ca4
- SSDEEP
  
  3072:UaKBsDgGod8NAH4iyf8kXrLfKgL6YhL+L3yGU:73X
Score

1^/10
behavioral3 behavioral4
- Target
  
  langs/Korean.ini
- Size
  
  91KB
- MD5
  
  efae0c78be2abe2920c78b9d4785ab45
- SHA1
  
  8c0799fb68852cb071bbe260deb4ab357bd5f4ed
- SHA256
  
  ad556989f6e4a683d9668e41d2d7175b7b46847c2eef26188b9075fc600d0132
- SHA512
  
  44737be4d4bd0f93ca3e986c89102612932f3749b8e9b89446a567cff60ceb856b4bd7380da7fe3f1809579e6ec2162d0cdd4a217935a4961c6b36a482dd4ac8
- SSDEEP
  
  768:wPYhkzQl6qE7rY+xuPAsyKVmq8Ag8lyWqFk5ziCfsg8S+EZNlWJ7lxyBiCWfbMav:HSzQlc7siCmq8AFlBmLfbNA2Nt7osVP
Score

1^/10
behavioral5 behavioral6