MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5de0c74c3c5e35b578d47b4e146d338982940f8bd0f213bc5548143db78079d. 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: 11


Intelligence 11 IOCs 2 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5de0c74c3c5e35b578d47b4e146d338982940f8bd0f213bc5548143db78079d
SHA3-384 hash: d8bf8fc471492086297c7efcacb1fb5b5074db80aa541f51aca0048c6fa67b318653854c30f2424a5e0e20acb9f4dea6
SHA1 hash: a646171101cf48c45545d4113527ddb09b2fb0ed
MD5 hash: ac9bf8faed017186c8864c2f012ae7d8
humanhash: pasta-ink-october-jig
File name:Purchase Order-21060G.exe
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:1'550'336 bytes
First seen:2022-10-05 12:50:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:enjovGh00r/slnWZQzjFeM6DJOjB9sTTHy8mj+911tAjadUXQUE4DSZhFclS7QMS:++nYQb6VOC11ahgUED7FcN
Threatray 19'700 similar samples on MalwareBazaar
TLSH T170755BF4A0AB44E5E80B6ED06978BDD2567235F38ED90D30337DBA044FBBD695D0890A
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/

Intelligence

File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316903/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
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/633d7db7c9e2f3435432d2cc/reports/70bfba65-79b0-4078-98f1-dddc9811e6ae/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/33ae667b-e4c9-488f-abac-a56e0dee91e1
Result
Threat name:
AgentTesla, WSHRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1084115
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
Initial sample is a PE file and has a suspicious name
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
Multi AV Scanner detection for submitted 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 signatures2 2 Behavior Graph ID: 716673 Sample: Purchase Order-21060G.exe Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 54 Sigma detected: Register Wscript In Run Key 2->54 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 16 other signatures 2->60 7 Purchase Order-21060G.exe 4 6 2->7         started        11 Utmlnipujo.exe 1 2->11         started        13 wscript.exe 2->13         started        15 4 other processes 2->15 process3 dnsIp4 40 C:\Users\user\AppData\...\Utmlnipujo.exe, PE32 7->40 dropped 42 C:\Users\...\Utmlnipujo.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\...\Sikllunyfztsbwvmsfibuild.js, ASCII 7->44 dropped 46 C:\Users\...\Purchase Order-21060G.exe.log, ASCII 7->46 dropped 78 Encrypted powershell cmdline option found 7->78 80 Creates multiple autostart registry keys 7->80 18 wscript.exe 3 3 7->18         started        22 Purchase Order-21060G.exe 2 7->22         started        25 powershell.exe 16 7->25         started        82 Multi AV Scanner detection for dropped file 11->82 84 Machine Learning detection for dropped file 11->84 27 powershell.exe 11->27         started        86 System process connects to network (likely due to code injection or exploit) 13->86 88 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 13->88 52 rze6.sytes.net 15->52 file5 signatures6 process7 dnsIp8 36 C:\Users\user\...\Sikllunyfztsbwvmsfibuild.js, ASCII 18->36 dropped 38 C:\Users\user\...\Sikllunyfztsbwvmsfibuild.js, ASCII 18->38 dropped 62 Drops script or batch files to the startup folder 18->62 64 Creates multiple autostart registry keys 18->64 66 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 18->66 68 Wscript called in batch mode (surpress errors) 18->68 29 wscript.exe 7 18->29         started        48 dorkedmail.shop 162.213.255.29, 49710, 587 NAMECHEAP-NETUS United States 22->48 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Tries to harvest and steal ftp login credentials 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 32 conhost.exe 25->32         started        34 conhost.exe 27->34         started        file9 signatures10 process11 dnsIp12 50 rze6.sytes.net 45.155.165.70, 4000, 49705, 49706 AGROSVITUA Russian Federation 29->50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5de0c74c3c5e35b578d47b4e146d338982940f8bd0f213bc5548143db78079d/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 12:51:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxpay5gdyxrvwv4ni62ocrwthcmcsqhyxuhsco6fksauhw3ya6oq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
21069f1228603fb512b24e1c9f58cf57b370d93b5f78b8b9628e93c9c79a5f7c
Vjw0rm
64dc20de06878b88c91f6bd86256d4724418b7f6483ebd69247e6b1bd3f6c04f
Vjw0rm
71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155
Vjw0rm
9f3b0574ee8ea34114c6de2ed4f351552400569e42d4032a2ec5dcff3107af1c
Vjw0rm
a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a
Vjw0rm
ab91459253a14ca086ed1b79f0958b331fc09b7d611ef953ca85c045ff43024e
Vjw0rm
+ 19'690 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-p3gmdseegn/
Behaviour
Modifies registry class
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d3a19f61-193a-4e5c-b2bf-f808849d5d75
Unpacked files
SH256 hash:
3dcc2526b35feda8864c1db6443a40dda917564ee934726e6ad816d55bfa2e2f
MD5 hash:
5a61b9cb3c15ed5a4578e00c07dde2a0
SHA1 hash:
b47b5ad835351b0b24d333e89562a1416b11c2fd
Link:
https://www.unpac.me/results/21999b98-9455-4794-9629-620a2f0525d3/
SH256 hash:
032584dbe3a570a051bff2e881940a3c8c0f205a9491a6b0fc2593e7dae2939c
MD5 hash:
7e72c0bc22f17e827efd6107edab9b2f
SHA1 hash:
4daad2a968ac347093c95b277b0c85067f72fa6a
Link:
https://www.unpac.me/results/21999b98-9455-4794-9629-620a2f0525d3/
SH256 hash:
b5de0c74c3c5e35b578d47b4e146d338982940f8bd0f213bc5548143db78079d
MD5 hash:
ac9bf8faed017186c8864c2f012ae7d8
SHA1 hash:
a646171101cf48c45545d4113527ddb09b2fb0ed
Link:
https://www.unpac.me/results/21999b98-9455-4794-9629-620a2f0525d3/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5de0c74c3c5/report/overview.html
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/b5de0c74c3c5e35b578d47b4e146d338982940f8bd0f213bc5548143db78079d

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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/316903/

Comments