MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89bc9fdb7d1d93a49c7cf3ccfff8ec5c174a44dd580e63e3cb47de448e9daefc. 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



XWorm


Vendor detections: 16


Intelligence 16 IOCs YARA 13 File information Comments

SHA256 hash: 89bc9fdb7d1d93a49c7cf3ccfff8ec5c174a44dd580e63e3cb47de448e9daefc
SHA3-384 hash: 6cf28c6cf73c76a4d8773d788046b660e10db09039cd029f7740b1e608005324ee9234fd0a4d5f07f024f75e621f479b
SHA1 hash: ce6cffd8074a9f6211f0e43ad26bc7c0cc271b8d
MD5 hash: 310ba97c9a96f3db1e4b1c103fbc9954
humanhash: chicken-item-batman-grey
File name:NewBooking_______________________________________________pdf.exe
Download: download sample
Signature XWorm
File size:1'696'072 bytes
First seen:2023-10-05 09:22:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:PINvIlmcBh3paRVGRyIxL/JGZwCdAmuznnHKFxRY+vGOogk8+4o6keKNnEGw3Hwm:tLTVxL/ovmnHKFHY+eOWhmGwXwm
Threatray 99 similar samples on MalwareBazaar
TLSH T1D0757B03FA9B8EB2E3491732DDAB5D908360FD83732BE70B788E3B5955133A69905507
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d8dc888898a898b8 (6 x AgentTesla, 1 x XWorm)
Reporter abuse_ch
Tags:exe xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
NewBooking_______________________________________________pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-05 09:29:50 UTC
Tags:
xworm remote agenttesla stealer

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Creating a file
Launching a process
Forced system process termination
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
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.
Result
Threat name:
AgentTesla, XWorm
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1320090 Sample: NewBooking_________________... Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 Antivirus detection for URL or domain 2->64 66 11 other signatures 2->66 7 NewBooking_______________________________________________pdf.exe 1 7 2->7         started        11 Qrsotew.exe 6 2->11         started        13 Qrsotew.exe 2->13         started        process3 file4 40 C:\Users\user\AppData\Roaming\Qrsotew.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\Temp\wdiw.exe, PE32 7->42 dropped 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->68 70 Writes to foreign memory regions 7->70 72 Allocates memory in foreign processes 7->72 15 wdiw.exe 5 7->15         started        18 aspnet_compiler.exe 15 2 7->18         started        21 BackgroundTransferHost.exe 7->21         started        74 Multi AV Scanner detection for dropped file 11->74 76 Machine Learning detection for dropped file 11->76 78 Injects a PE file into a foreign processes 11->78 23 wdiw.exe 11->23         started        25 aspnet_compiler.exe 11->25         started        27 aspnet_compiler.exe 11->27         started        29 aspnet_compiler.exe 13->29         started        31 wdiw.exe 13->31         started        signatures5 process6 dnsIp7 80 Multi AV Scanner detection for dropped file 15->80 82 Machine Learning detection for dropped file 15->82 84 Writes to foreign memory regions 15->84 33 aspnet_compiler.exe 2 15->33         started        46 server1.sqsendy.shop 63.250.35.178, 49795, 49796, 49799 NAMECHEAP-NETUS United States 18->46 48 api4.ipify.org 64.185.227.156, 443, 49794, 49798 WEBNXUS United States 18->48 50 api.ipify.org 18->50 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->86 88 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->88 90 Tries to steal Mail credentials (via file / registry access) 18->90 92 Allocates memory in foreign processes 23->92 94 Injects a PE file into a foreign processes 23->94 36 aspnet_compiler.exe 23->36         started        52 192.168.2.1 unknown unknown 25->52 54 api.ipify.org 25->54 56 173.231.16.77, 443, 49809 WEBNXUS United States 29->56 58 api.ipify.org 29->58 96 Tries to harvest and steal browser information (history, passwords, etc) 29->96 38 aspnet_compiler.exe 31->38         started        signatures8 process9 dnsIp10 44 139.99.153.82, 49797, 49803, 49813 OVHFR Canada 33->44
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-10-05 08:44:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:xworm collection keylogger persistence rat spyware stealer trojan
Behaviour
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
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
AgentTesla
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
139.99.153.82:8181
Unpacked files
SH256 hash:
89bc9fdb7d1d93a49c7cf3ccfff8ec5c174a44dd580e63e3cb47de448e9daefc
MD5 hash:
310ba97c9a96f3db1e4b1c103fbc9954
SHA1 hash:
ce6cffd8074a9f6211f0e43ad26bc7c0cc271b8d
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Trojan_Xworm_732e6c12
Author:Elastic Security
Rule name:win_agent_tesla_bytecodes_sep_2023
Author:Matthew @embee_research
Rule name:win_xwormmm_s1_6f74
Author:Johannes Bader
Description:detects unpacked Xwormmm samples

File information


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

Malspam

XWorm

Executable exe 89bc9fdb7d1d93a49c7cf3ccfff8ec5c174a44dd580e63e3cb47de448e9daefc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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