MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25694aa5ebc3ffbe99a237060cddfefc1feb49f34fa738da2fd43a4366589b6c. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 25694aa5ebc3ffbe99a237060cddfefc1feb49f34fa738da2fd43a4366589b6c
SHA3-384 hash: 78a2fe7d7c70c32cd35d701d48efd1b553002ce1bc2ec502061139a9f00b52f1f76d883b72f6e513f892f53e452496e9
SHA1 hash: 4d805f3e4a04b4a07fd763f9327583bad4e0aa05
MD5 hash: 447030bf893b032c392ed42d46359cc9
humanhash: skylark-tango-fillet-football
File name:IMG_78720075pdf.exe
Download: download sample
Signature AgentTesla
File size:941'048 bytes
First seen:2023-06-25 13:26:08 UTC
Last seen:2023-06-26 12:52:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:M0s4hhqKGlReM0EobAONuxYy6YnqzSQ4oxIigJR:Xs2NGjBcuxYy6YnhtL
Threatray 4'256 similar samples on MalwareBazaar
TLSH T19815AE03BAA68DB5DB8B3735D5BB48254FB8E8D12127E70FA54B13972E0376A9503313
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f89c98c89828d418 (5 x AgentTesla)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
IMG_78720075pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-25 13:28:24 UTC
Tags:
rat agenttesla

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
Sending a custom TCP request
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Reading critical registry keys
Creating a window
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:
lolbin 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
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Drops PE files to the document folder of the user
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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: RegAsm 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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 894104 Sample: IMG_78720075pdf.exe Startdate: 25/06/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Sigma detected: RegAsm connects to smtp port 2->50 52 7 other signatures 2->52 6 IMG_78720075pdf.exe 1 3 2->6         started        10 Fkzbtvmw.exe 3 2->10         started        12 Fkzbtvmw.exe 2 2->12         started        process3 file4 26 C:\Users\user\Documents\Fkzbtvmw.exe, PE32 6->26 dropped 28 C:\Users\...\Fkzbtvmw.exe:Zone.Identifier, ASCII 6->28 dropped 30 C:\Users\user\...\IMG_78720075pdf.exe.log, ASCII 6->30 dropped 54 Drops PE files to the document folder of the user 6->54 14 RegAsm.exe 15 2 6->14         started        18 RegAsm.exe 6->18         started        56 Multi AV Scanner detection for dropped file 10->56 58 Machine Learning detection for dropped file 10->58 20 RegAsm.exe 2 10->20         started        22 RegAsm.exe 2 12->22         started        24 RegAsm.exe 12->24         started        signatures5 process6 dnsIp7 32 server1.sqsendy.shop 63.250.35.178, 49699, 49702, 49703 NAMECHEAP-NETUS United States 14->32 34 api4.ipify.org 64.185.227.155, 443, 49698, 49700 WEBNXUS United States 14->34 36 api.ipify.org 14->36 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->60 62 May check the online IP address of the machine 18->62 38 192.168.2.1 unknown unknown 20->38 40 api.ipify.org 20->40 42 173.231.16.76, 443, 49701 WEBNXUS United States 22->42 44 api.ipify.org 22->44 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->64 66 Tries to steal Mail credentials (via file / registry access) 22->66 68 Tries to harvest and steal browser information (history, passwords, etc) 22->68 signatures8
Threat name:
Win32.Trojan.Mardom
Status:
Malicious
First seen:
2023-06-24 17:55:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
143f4b3440c4aacdc0c06cd173b95ace4a01de5a436baf242fd4aea782fb2446
MD5 hash:
026a7ea92f6bee6b49a3db41de2b8ff4
SHA1 hash:
f77a8edcc0f0fd861783dbb580ee041aba05663d
SH256 hash:
8f0e5f304c02877b99cc89f9c4e1b6b5f05e49c1ae445325ef3ac09b58496a12
MD5 hash:
27743a2c4020ba9d54412759949921f5
SHA1 hash:
e869fd2ed73b4ae3e15a5c4384b9bec879762cc1
Detections:
AgentTeslaXorStringsNet
SH256 hash:
28df2c339f40c7284a1bc791ee2325f35f68245337db8c740d37ceff62f6f81e
MD5 hash:
23d524afa096399bbc2840b4b97cb34a
SHA1 hash:
d6025b411536827d2002144e218aafa52e579e7f
SH256 hash:
cfb2d04ee5d954e13806924b41c29a3663177bd2b6399cb2d8c7019d6b82f2c5
MD5 hash:
d0f29227fc49cc7177492eea99bf5d65
SHA1 hash:
c0500833f0b7f920f69377002037edf1568a7e2f
SH256 hash:
25694aa5ebc3ffbe99a237060cddfefc1feb49f34fa738da2fd43a4366589b6c
MD5 hash:
447030bf893b032c392ed42d46359cc9
SHA1 hash:
4d805f3e4a04b4a07fd763f9327583bad4e0aa05
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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.

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