MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f11277408508861dee8aeef598cbee2af8d13b0e85c65fd5ec96cf5062e25fd. 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: 15


Intelligence 15 IOCs 2 YARA 6 File information Comments

SHA256 hash: 9f11277408508861dee8aeef598cbee2af8d13b0e85c65fd5ec96cf5062e25fd
SHA3-384 hash: 9acec5f0a2132d6dab867dea2f7498fbf3c028d1e0dcd2f8ead48e98bfbcde034ba31ed9292bf58b3e215b0769b9996a
SHA1 hash: 131c5dce13675994a53a3f68e5d6ad5b1fbe94e8
MD5 hash: 74d0eabf20cd753bef0fab28cc9930cd
humanhash: juliet-zebra-pasta-zebra
File name:Remittance advice payment notification as of.exe
Download: download sample
Signature Vjw0rm
File size:785'112 bytes
First seen:2022-10-21 13:05:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:/biQ2pSTPH3IkhjygJH2nzhXJXEQe3Xy3PiAo/LDRJkOBRo:/biQ2pgPjygk/EJaaA0L3kP
Threatray 3'022 similar samples on MalwareBazaar
TLSH T106F4AEE0317DC3D3E1B19EB10FCA867079F175ACA8C0560D61F59B2EA3D2395149CAEA
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4a6a494a48484a4 (65 x AgentTesla, 39 x Formbook, 8 x RemcosRAT)
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
109.248.144.246:1988

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
109.248.144.246:1988 https://threatfox.abuse.ch/ioc/915743/
http://0b3c.duckdns.org:1988/mail https://threatfox.abuse.ch/ioc/915744/

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Remittance advice payment notification as of.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 13:06:28 UTC
Tags:
evasion trojan wshrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %AppData% directory
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Sending an HTTP POST request
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MailPassView, WSHRAT
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains VNC / remote desktop functionality (version string found)
Drops VBS files to the startup folder
Found hidden mapped module (file has been removed from disk)
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)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Obfuscated command line found
Potential evasive VBS script found (sleep loop)
Potential malicious VBS script found (has network functionality)
Potential malicious VBS script found (suspicious strings)
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
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Windows Shell Script Host drops VBS files
Wscript called in batch mode (surpress errors)
Wscript starts Powershell (via cmd or directly)
Yara detected MailPassView
Yara detected WSHRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 727555 Sample: Remittance advice  payment ... Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 77 0b3c.duckdns.org 2->77 85 Sigma detected: Register Wscript In Run Key 2->85 87 Snort IDS alert for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 12 other signatures 2->91 11 Remittance advice  payment notification as of.exe 18 2->11         started        14 wscript.exe 2->14         started        17 wscript.exe 2->17         started        19 2 other processes 2->19 signatures3 process4 file5 73 C:\Users\user\AppData\Local\...\csuwthfqa.exe, PE32 11->73 dropped 21 csuwthfqa.exe 2 11->21         started        119 Wscript called in batch mode (surpress errors) 14->119 25 wscript.exe 14->25         started        signatures6 process7 file8 65 C:\Users\user\AppData\Local\Temp\4AE2.tmp, PE32 21->65 dropped 93 Potential malicious VBS script found (suspicious strings) 21->93 95 Potential malicious VBS script found (has network functionality) 21->95 97 Potential evasive VBS script found (sleep loop) 21->97 99 3 other signatures 21->99 27 csuwthfqa.exe 2 21->27         started        30 WerFault.exe 23 9 21->30         started        33 conhost.exe 21->33         started        35 conhost.exe 21->35         started        signatures9 process10 dnsIp11 75 C:\Users\user\AppData\Roaming\DGayX.vbs, assembler 27->75 dropped 37 wscript.exe 6 21 27->37         started        42 WerFault.exe 2 9 27->42         started        83 192.168.2.1 unknown unknown 30->83 file12 process13 dnsIp14 79 0b3c.duckdns.org 109.248.144.246, 1988, 49703, 49704 DATACLUB-SE Russian Federation 37->79 81 ip-api.com 208.95.112.1, 49702, 80 TUT-ASUS United States 37->81 67 C:\Users\user\AppData\Roaming\cmdc.exe, PE32 37->67 dropped 69 C:\Users\user\AppData\Roaming\cmdc.exe.zip, Zip 37->69 dropped 71 C:\Users\user\AppData\Roaming\...\DGayX.vbs, assembler 37->71 dropped 101 System process connects to network (likely due to code injection or exploit) 37->101 103 Suspicious powershell command line found 37->103 105 Wscript starts Powershell (via cmd or directly) 37->105 107 9 other signatures 37->107 44 cmdc.exe 37->44         started        47 cmdc.exe 37->47         started        49 cmd.exe 1 37->49         started        51 5 other processes 37->51 file15 signatures16 process17 signatures18 109 Multi AV Scanner detection for dropped file 44->109 111 Tries to steal Mail credentials (via file registry) 44->111 113 Tries to steal Instant Messenger accounts or passwords 44->113 115 Machine Learning detection for dropped file 44->115 117 Tries to steal Mail credentials (via file / registry access) 47->117 53 conhost.exe 49->53         started        55 taskkill.exe 1 49->55         started        57 conhost.exe 51->57         started        59 taskkill.exe 51->59         started        61 conhost.exe 51->61         started        63 5 other processes 51->63 process19
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-10-21 13:14:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:wshrat persistence trojan
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
WSHRAT
WSHRAT payload
Malware Config
C2 Extraction:
http://0b3c.duckdns.org:1988
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3ebd25bad451d0f76b1cf0f57dea34872d6909f7b30d1f526448c34be0017c8c
MD5 hash:
22e770d5b5555373b88db7504f0cec24
SHA1 hash:
be3463cebdc1589cbbb69028ec2d8318b768835b
SH256 hash:
16bff55dbc2fbde2719b83ea84683c13ec3af51e4870dc15d9df0dc79a42b512
MD5 hash:
f57b20db4d59cb132cfbb4129b8d258c
SHA1 hash:
abeeed9096ce63f692057e6fd4d99fc2a2b24d0c
SH256 hash:
e40e8d22de23c6310ee7f64932512afe2522e0df4b4565c6a567871faa8645dc
MD5 hash:
5d9cedd6cd8a58a3355d2f41c39f4f00
SHA1 hash:
868fc8c1eeb69d7203c378fbcbf5392185fa2e47
SH256 hash:
9f11277408508861dee8aeef598cbee2af8d13b0e85c65fd5ec96cf5062e25fd
MD5 hash:
74d0eabf20cd753bef0fab28cc9930cd
SHA1 hash:
131c5dce13675994a53a3f68e5d6ad5b1fbe94e8
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MALWARE_Win_WSHRAT
Author:ditekSHen
Description:WSHRAT keylogger plugin payload
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:wsh_rat_keylogger
Author:jeFF0Falltrades
Description:Alerts on the WSH RAT .NET keylogger module

File information


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

Comments