MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c04edaab3f7fd927118d248a63907eb7b7b65af0300266610af6435456ca435d. 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



AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: c04edaab3f7fd927118d248a63907eb7b7b65af0300266610af6435456ca435d
SHA3-384 hash: ced6bd22abe4506bf6bd4250877b085930131c181da3a7a05fb26c8afb506b61caf5ff19bcbf82941b5ec9c36bae1e05
SHA1 hash: 1d4c3ca2294c9c81d6ffa1b55d5831e03cdf96a5
MD5 hash: 3a03c9cf05ed0c15e5cd9b6a595e521a
humanhash: failed-arizona-north-jersey
File name:Execrzwyrdj.exe
Download: download sample
Signature AgentTesla
File size:99'840 bytes
First seen:2023-08-18 06:51:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:lKH8q6qizPByYpFTM5xX+T/rXEE4C6UY7ibZxHWyOx/wY97Edc+YS:IH8q6qizPsYpFA5xX+T/r0E4C6UY7ibJ
Threatray 5'556 similar samples on MalwareBazaar
TLSH T176A32918628C9616C37C23FDE24F81149774827A5723F78A394DC6E82F53BD5E61B28B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
279
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Execrzwyrdj.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 06:51:55 UTC
Tags:
agenttesla stealer

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

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed replace
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
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
May check the online IP address of the machine
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
Sigma detected: MSBuild connects to smtp port
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 AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293261 Sample: Execrzwyrdj.exe Startdate: 18/08/2023 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected AgentTesla 2->62 64 6 other signatures 2->64 6 Execrzwyrdj.exe 16 6 2->6         started        11 Hpeusf.exe 14 6 2->11         started        13 Hpeusf.exe 2->13         started        15 2 other processes 2->15 process3 dnsIp4 56 files.catbox.moe 108.181.20.39, 443, 49719, 49725 ASN852CA Canada 6->56 40 C:\Users\user\AppData\Roaming\Hpeusf.exe, PE32 6->40 dropped 80 Creates multiple autostart registry keys 6->80 82 Writes to foreign memory regions 6->82 84 Injects a PE file into a foreign processes 6->84 17 MSBuild.exe 16 4 6->17         started        22 MSBuild.exe 6->22         started        24 MSBuild.exe 6->24         started        36 2 other processes 6->36 86 Multi AV Scanner detection for dropped file 11->86 26 MSBuild.exe 11->26         started        28 MSBuild.exe 11->28         started        30 MSBuild.exe 13->30         started        32 conhost.exe 15->32         started        34 conhost.exe 15->34         started        file5 signatures6 process7 dnsIp8 42 mail.parivartansandeshfoundation.com 184.168.111.8, 49723, 49724, 49758 AS-26496-GO-DADDY-COM-LLCUS United States 17->42 44 api4.ipify.org 173.231.16.76, 443, 49720 WEBNXUS United States 17->44 46 api.ipify.org 17->46 38 C:\Users\user\AppData\Roaming\...bJgI.exe, PE32 17->38 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->66 68 Tries to steal Mail credentials (via file / registry access) 17->68 70 Creates multiple autostart registry keys 17->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->72 74 May check the online IP address of the machine 22->74 48 104.237.62.211, 443, 49753, 49761 WEBNXUS United States 26->48 50 192.168.2.1 unknown unknown 26->50 52 api.ipify.org 26->52 54 api.ipify.org 30->54 76 Tries to harvest and steal browser information (history, passwords, etc) 30->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->78 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-08-18 06:52:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Unpacked files
SH256 hash:
c04edaab3f7fd927118d248a63907eb7b7b65af0300266610af6435456ca435d
MD5 hash:
3a03c9cf05ed0c15e5cd9b6a595e521a
SHA1 hash:
1d4c3ca2294c9c81d6ffa1b55d5831e03cdf96a5
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe c04edaab3f7fd927118d248a63907eb7b7b65af0300266610af6435456ca435d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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