MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64dc20de06878b88c91f6bd86256d4724418b7f6483ebd69247e6b1bd3f6c04f. 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


Vjw0rm


Vendor detections: 9


Intelligence 9 IOCs 3 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64dc20de06878b88c91f6bd86256d4724418b7f6483ebd69247e6b1bd3f6c04f
SHA3-384 hash: 7777b01c9ffdb4a9df99e4cd5a29638fdc20bc1c0fd6eff3584c081c1bd7b057bb0936fb52bc77fd2b7ae8c8472cd1db
SHA1 hash: ad782bbf43395da81e23513230f32f9a6f2dc4ab
MD5 hash: cad78d5124834e22e3765675b699920a
humanhash: shade-winter-salami-magnesium
File name:Doc051662RFQ.exe
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:1'542'144 bytes
First seen:2022-10-05 09:10:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:XHnjonYcK0NZoz9JFknWZQzjFeM6DJOjB9sTTHyzvVOe2LmEbpYy+ZdwCjKpVCB6:hlKoz9rknYQb6VO/vcNWNob
Threatray 19'694 similar samples on MalwareBazaar
TLSH T13F655BF4A4AB04E5F80B9DD029787DE64272B9F38DD50D20132DB6048FF7D79AE0895A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ecf0c68ac2c298f2 (60 x SnakeKeylogger, 14 x Formbook, 6 x AgentTesla)
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://rze6.sytes.net:4000/is-ready

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://rze6.sytes.net:4000/is-ready https://threatfox.abuse.ch/ioc/870781/
45.155.165.70:4000 https://threatfox.abuse.ch/ioc/870782/
http://195.178.120.72/3ip/inc/523ecb38582a9c.php https://threatfox.abuse.ch/ioc/870788/

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316777/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/633d4a28d089a0c15dd54dcc/reports/cc1d7c46-2ec3-43e1-8f14-12160589bd37/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/727b3c2b-ea5b-419b-ae70-b62ba70af322
Result
Threat name:
AgentTesla, WSHRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1083967
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
Creates multiple autostart registry keys
Drops script or batch files to the startup folder
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Register Wscript In Run Key
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Wscript called in batch mode (surpress errors)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 716526 Sample: Doc051662RFQ.exe Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 55 rze6.sytes.net 2->55 59 Sigma detected: Register Wscript In Run Key 2->59 61 Snort IDS alert for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 11 other signatures 2->65 8 Doc051662RFQ.exe 4 6 2->8         started        12 Utmlnipujo.exe 1 2->12         started        14 wscript.exe 2->14         started        16 3 other processes 2->16 signatures3 process4 dnsIp5 43 C:\Users\user\AppData\...\Utmlnipujo.exe, PE32 8->43 dropped 45 C:\Users\...\Utmlnipujo.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\...\Wkueiukrjltblndqebuild.js, ASCII 8->47 dropped 49 C:\Users\user\...\Doc051662RFQ.exe.log, ASCII 8->49 dropped 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->85 87 Encrypted powershell cmdline option found 8->87 97 2 other signatures 8->97 19 wscript.exe 3 3 8->19         started        23 Doc051662RFQ.exe 15 2 8->23         started        26 powershell.exe 16 8->26         started        30 2 other processes 8->30 89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 28 powershell.exe 12->28         started        93 System process connects to network (likely due to code injection or exploit) 14->93 95 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 14->95 51 rze6.sytes.net 16->51 file6 signatures7 process8 dnsIp9 39 C:\Users\user\...\Wkueiukrjltblndqebuild.js, ASCII 19->39 dropped 41 C:\Users\user\...\Wkueiukrjltblndqebuild.js, ASCII 19->41 dropped 67 Drops script or batch files to the startup folder 19->67 69 Creates multiple autostart registry keys 19->69 71 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 19->71 73 Wscript called in batch mode (surpress errors) 19->73 32 wscript.exe 7 19->32         started        57 195.178.120.72, 49706, 80 HEXAGLOBE-ASFR unknown 23->57 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->75 77 Tries to steal Mail credentials (via file / registry access) 23->77 79 Tries to harvest and steal ftp login credentials 23->79 81 2 other signatures 23->81 35 conhost.exe 26->35         started        37 conhost.exe 28->37         started        file10 signatures11 process12 dnsIp13 53 rze6.sytes.net 45.155.165.70, 4000, 49702, 49703 AGROSVITUA Russian Federation 32->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64dc20de06878b88c91f6bd86256d4724418b7f6483ebd69247e6b1bd3f6c04f/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 09:11:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtocbxqgq6fyrsi7npmgevwuojcbrn7wja7l22jepzvrxu7wybhq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
21069f1228603fb512b24e1c9f58cf57b370d93b5f78b8b9628e93c9c79a5f7c
Vjw0rm
4c5f738dd2bfc890e9c66249928560fbbcc449e86ce9936744cc2ed132870f69
Vjw0rm
71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155
Vjw0rm
8a900a79afb1a0bd442d7171568f7c5cda5cf9077e363612d39b237e4eacd635
Vjw0rm
9f3b0574ee8ea34114c6de2ed4f351552400569e42d4032a2ec5dcff3107af1c
Vjw0rm
a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a
Vjw0rm
ab91459253a14ca086ed1b79f0958b331fc09b7d611ef953ca85c045ff43024e
Vjw0rm
d1be2499de89be1f90b8fba3abbf20cfd30152c3ae10674152b2604ac86d76ac
Vjw0rm
+ 19'684 additional samples on MalwareBazaar
Result
Malware family:
wshrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:wshrat collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221005-k5la5sdha3/
Behaviour
Modifies registry class
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
AgentTesla
WSHRAT
Malware Config
C2 Extraction:
http://rze6.sytes.net:4000
http://195.178.120.72/3ip/inc/523ecb38582a9c.php
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/78380d61-212c-4543-9a1d-4b0aa636e489
Unpacked files
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/02fe03cb-ae99-4ada-b3a2-82c15ec77237/
SH256 hash:
9c29c25a3e1d0f43da2fa3206a9025df7a2a96c3bc62fe04aee8c17610fc58ce
MD5 hash:
53932c2401d965b860415cbe1091cecc
SHA1 hash:
5fb1e6beeb5f03e3f3e2e9f5b448d38757dc836f
Link:
https://www.unpac.me/results/02fe03cb-ae99-4ada-b3a2-82c15ec77237/
SH256 hash:
64dc20de06878b88c91f6bd86256d4724418b7f6483ebd69247e6b1bd3f6c04f
MD5 hash:
cad78d5124834e22e3765675b699920a
SHA1 hash:
ad782bbf43395da81e23513230f32f9a6f2dc4ab
Link:
https://www.unpac.me/results/02fe03cb-ae99-4ada-b3a2-82c15ec77237/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/64dc20de06878b88c91f6bd86256d4724418b7f6483ebd69247e6b1bd3f6c04f

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/316777/

Comments