MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78c4bc3ae3153ba126c58e5cf86f254468c8ff422971ea3923502bfa3de8ad0b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



ZLoader


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 78c4bc3ae3153ba126c58e5cf86f254468c8ff422971ea3923502bfa3de8ad0b
SHA3-384 hash: e48aaa90cc5df13d82f67cacf91ed6e985242c551709a30b49bed73905bb75cce545a834a81029868b55b2d371353605
SHA1 hash: be60fd2b3ecb09cd4655098d5e1aeebcb86abe29
MD5 hash: f9b65caddf3f5d7ce43d2e7cea76e4fb
humanhash: green-sink-music-speaker
File name:wp-cryn.php
Download: download sample
Signature ZLoader
File size:544'768 bytes
First seen:2021-01-19 17:08:56 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2ae5220472dcef6c4805b4a8a15a84c7 (1 x ZLoader)
ssdeep 12288:RapZY59KPxWV4xey+eOvZiHPgBeWIhAffXOI:YpZvO4xeyt6McffX
Threatray 2 similar samples on MalwareBazaar
TLSH 7CC4D022BA94E038E75D03344C57E97943B6BC019ABCF95B31DF2E4F25623B2B526385
Reporter JasonMilletary
Tags:ZLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a UDP request
Creating a file in the %AppData% subdirectories
Creating a window
DNS request
Connection attempt
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
TightVNC ZLoader
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Changes memory attributes in foreign processes to executable or writable
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Contains VNC / remote desktop functionality (version string found)
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Modifies the prolog of user mode functions (user mode inline hooks)
Performs a network lookup / discovery via net view
Sigma detected: Get antivirus details via WMIC query
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file access)
Uses ipconfig to lookup or modify the Windows network settings
Uses net.exe to modify the status of services
Writes to foreign memory regions
Yara detected TightVNC
Yara detected ZLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341717 Sample: wp-cryn.php Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 86 Yara detected ZLoader 2->86 88 Yara detected TightVNC 2->88 90 Sigma detected: Get antivirus details via WMIC query 2->90 92 5 other signatures 2->92 11 loaddll32.exe 1 2->11         started        process3 process4 13 regsvr32.exe 11->13         started        16 cmd.exe 1 11->16         started        signatures5 106 Contains functionality to inject code into remote processes 13->106 108 Writes to foreign memory regions 13->108 110 Allocates memory in foreign processes 13->110 18 msiexec.exe 2 52 13->18         started        23 iexplore.exe 1 75 16->23         started        process6 dnsIp7 80 olisvcmc.com 103.253.212.151, 443, 49732 RUMAHWEB-AS-IDRumahwebIndonesiaCVID Indonesia 18->80 82 impactegypte.com 41.196.200.144, 443, 49734 LINKdotNET-ASEG Egypt 18->82 84 4 other IPs or domains 18->84 72 C:\Users\user\AppData\Roaming\Fohu\owsi.dll, PE32 18->72 dropped 94 Tries to steal Mail credentials (via file access) 18->94 96 Changes memory attributes in foreign processes to executable or writable 18->96 98 Contains functionality to inject threads in other processes 18->98 100 7 other signatures 18->100 25 explorer.exe 18->25 injected 27 cmd.exe 18->27         started        30 cmd.exe 18->30         started        35 3 other processes 18->35 32 iexplore.exe 155 23->32         started        file8 signatures9 process10 dnsIp11 37 cmd.exe 25->37         started        40 cmd.exe 25->40         started        42 cmd.exe 25->42         started        104 Performs a network lookup / discovery via net view 27->104 50 2 other processes 27->50 52 2 other processes 30->52 74 img.img-taboola.com 32->74 76 tls13.taboola.map.fastly.net 151.101.1.44, 443, 49718, 49719 FASTLYUS United States 32->76 78 7 other IPs or domains 32->78 44 net.exe 35->44         started        46 conhost.exe 35->46         started        48 conhost.exe 35->48         started        54 2 other processes 35->54 signatures12 process13 signatures14 102 Performs a network lookup / discovery via net view 37->102 56 conhost.exe 37->56         started        58 net.exe 37->58         started        60 net.exe 40->60         started        62 conhost.exe 40->62         started        64 conhost.exe 42->64         started        66 ipconfig.exe 42->66         started        68 net1.exe 44->68         started        process15 process16 70 net1.exe 60->70         started       
Result
Malware family:
zloader
Score:
  10/10
Tags:
family:zloader botnet:nut campaign:19/01 botnet trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Zloader, Terdot, DELoader, ZeusSphinx
Malware Config
C2 Extraction:
https://likesacademy.com/post.php
https://cobussaunders.co.za/post.php
https://olisvcmc.com/post.php
https://impactegypte.com/post.php
https://nuevoyucatan.com.mx/post.php
https://rioprelopamer.tk/post.php
Unpacked files
SH256 hash:
d9aa8c610dfb0b576aece55d127f42fe7b63131c873df1604ce3e79609ab4170
MD5 hash:
f04bde3e2e370ebf7228a5bd6c3ff919
SHA1 hash:
e41af3bd7c818e5a16f47872c94d9eadd0dda1fd
Detections:
win_zloader_auto
SH256 hash:
78c4bc3ae3153ba126c58e5cf86f254468c8ff422971ea3923502bfa3de8ad0b
MD5 hash:
f9b65caddf3f5d7ce43d2e7cea76e4fb
SHA1 hash:
be60fd2b3ecb09cd4655098d5e1aeebcb86abe29
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:win_zloader_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments