MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 440c817e6589c9ef2fa60dd9e22b99976278c91d542e4de35d21af7a91afe406. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 440c817e6589c9ef2fa60dd9e22b99976278c91d542e4de35d21af7a91afe406
SHA3-384 hash: 3a53dfcb6a7d03b1ff70f601a9008a66d71cd931d8e1938cfff0c31ccb811860280aeb385dc5b35e1809d08b6065afc9
SHA1 hash: 31213dbf280940f393090780e9c833f1d43c8a45
MD5 hash: effbe9f2bdaffa945318d7a8a23fc4a6
humanhash: louisiana-nevada-bravo-lake
File name:Invoice-81276.pdf
Download: download sample
Signature AgentTesla
Create hunting rule
File size:328'662 bytes
First seen:2023-01-30 09:03:57 UTC
Last seen:2023-02-06 07:13:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:PYa6Nk0e6j82dLXR3wRkLAwrCOva1y3E0hlB8GEZH/uJoS6wgT/cP0:PYvVj82VB8DwGOvqnPSJgT/cP0
Threatray 16'776 similar samples on MalwareBazaar
TLSH T1E564124E7281C07AF46149712E7F166A5FF9D8271892970FE3309E8CBD38906E52B772
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice-81276.pdf
Verdict:
Malicious activity
Analysis date:
2023-01-30 09:21:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e8a829a3-df55-4bb3-b7b9-7e4e17f9933a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/358183/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Reading critical registry keys
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63969/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d7881a2d4f6d560e23a8a0/reports/9b00f97d-2fcf-4513-9cc1-397ebcde3f75/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a8b56626-9510-45f9-9104-d8b8342c0727
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161408
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Snort IDS alert for network traffic
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794166 Sample: Invoice-81276.pdf.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected AgentTesla 2->48 50 4 other signatures 2->50 7 Invoice-81276.pdf.exe 19 2->7         started        10 bgmcr.exe 2->10         started        13 bgmcr.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\feqrz.exe, PE32 7->28 dropped 15 feqrz.exe 1 2 7->15         started        58 Multi AV Scanner detection for dropped file 10->58 19 WerFault.exe 3 10 10->19         started        22 WerFault.exe 10 13->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\Roaming\...\bgmcr.exe, PE32 15->30 dropped 36 Multi AV Scanner detection for dropped file 15->36 38 Detected unpacking (changes PE section rights) 15->38 40 Detected unpacking (creates a PE file in dynamic memory) 15->40 42 5 other signatures 15->42 24 feqrz.exe 15 2 15->24         started        32 192.168.2.1 unknown unknown 19->32 file8 signatures9 process10 dnsIp11 34 discord.com 162.159.138.232, 443, 49713 CLOUDFLARENETUS United States 24->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->52 54 Tries to steal Mail credentials (via file / registry access) 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/440c817e6589c9ef2fa60dd9e22b99976278c91d542e4de35d21af7a91afe406/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-01-30 02:07:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqgic7tfrhe66l5gbxm6ek4zs5rhrsi5kqxe3y25egxxvenp4qda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
467ef57122a909dadc6824af7c479e429cbd53428edece7472eec5993c2568d6
AgentTesla
6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381
AgentTesla
7668de996326a27be944da758a17762f12bc8e53b69914b529b33978d8ad97f2
AgentTesla
b7011b73f3e44fcbc4fc34c3fb15bc098dcacafee4aa86a906f8e2aaf1983296
AgentTesla
c65474ab1e1cf358b34fb782e40b9208d967624bb63d4f58a749d7b27c0aee71
AgentTesla
d9d9e3cc542fd9391c9ae953b0071b0a4a450df7d6e3e5563df812b128ab2620
AgentTesla
df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5
AgentTesla
e3f0cf7effaf970e55ce7b44afa66607f8126403523b609849339d551011480f
AgentTesla
fd10d0c124ace345aaace7bab115d0cd3771c61919912e141924991146fc6b37
AgentTesla
+ 16'766 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/230130-k1mneabd8t/
Behaviour
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
87c6f5a302e66a719d00fbdf7ee91e680809f9c59db07ad5123cd6731d56901d
MD5 hash:
ccbcc3c3037c9cd710c99aad5c214d1b
SHA1 hash:
a2df277bd77dfa9138fce38f064fe0827c824697
Link:
https://www.unpac.me/results/0196208f-b2e3-4a30-8043-919b3195728a/
SH256 hash:
bfb80d680b6b958e2b3027bc29f3d73f60464e42024bef212697cf4dbdfb85ac
MD5 hash:
786007161ad479f3fed50f286dea66e1
SHA1 hash:
87532137feda143bd08c2174bad7ce35c0dd3b69
Link:
https://www.unpac.me/results/0196208f-b2e3-4a30-8043-919b3195728a/
SH256 hash:
674566efeeadef7750a5b383b7004fd2d2583fe7c508ae6d051d7f81bd5b9bee
MD5 hash:
beb0499c779050df9efe46ada06064a1
SHA1 hash:
0e1bef3e3e764c27d12f9d3a4227f590cf4a3b7d
Link:
https://www.unpac.me/results/0196208f-b2e3-4a30-8043-919b3195728a/
SH256 hash:
440c817e6589c9ef2fa60dd9e22b99976278c91d542e4de35d21af7a91afe406
MD5 hash:
effbe9f2bdaffa945318d7a8a23fc4a6
SHA1 hash:
31213dbf280940f393090780e9c833f1d43c8a45
Link:
https://www.unpac.me/results/0196208f-b2e3-4a30-8043-919b3195728a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/440c817e6589/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/440c817e6589c9ef2fa60dd9e22b99976278c91d542e4de35d21af7a91afe406

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

AgentTesla

Executable exe 440c817e6589c9ef2fa60dd9e22b99976278c91d542e4de35d21af7a91afe406

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/358183/

Comments