MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa4d7c8a7bd3a5690b8b2dc1ed9fc3bfd40981671b3642625fa3c7589bf459ac. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments

SHA256 hash: aa4d7c8a7bd3a5690b8b2dc1ed9fc3bfd40981671b3642625fa3c7589bf459ac
SHA3-384 hash: 3a664067fcf9761727ad25ce8b64c4455607f151e3240f1ed3c38b6e0168888d5becd6b1a4a5130e9b1b6fdd85709673
SHA1 hash: fb83b349b7132496493e261c33a0d82aa9a0d54f
MD5 hash: 14252cb2350e20c3654e7f9f314ee631
humanhash: lake-illinois-early-wolfram
File name:PROFORMA INVOICE.exe
Download: download sample
Signature AgentTesla
File size:383'256 bytes
First seen:2023-07-06 09:42:55 UTC
Last seen:2023-07-10 10:09:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:PYa6gNvFUZMVtAlLHEjn5UDg7Q9Qrlia6MYbpupWzYUewKhSbfQlin6Wu5Vx:PYuNvFBVKZHzOlOfbpVDqQbfQwn6J5P
Threatray 4'963 similar samples on MalwareBazaar
TLSH T16884129859F1C0ABD43309B15E3B1FB9FCBDE62A89B6A04B17546B1738F2062474E770
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 cocaman
Tags:AgentTesla exe INVOICE Shipping

Intelligence


File Origin
# of uploads :
12
# of downloads :
269
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PROFORMA INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2023-07-06 09:45:41 UTC
Tags:
agenttesla

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 window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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
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 has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
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 NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-07-06 02:30:13 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Looks up external IP address via web service
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
AgentTesla
Unpacked files
SH256 hash:
8e53195acd6b896e5b7894763ca6b1009a15e5970692862ef89e8f50cf6ff39a
MD5 hash:
9cd2d4eb386c6c4ec59c4034e8f465eb
SHA1 hash:
df6111811a5daf7729839ba5c10a4acb0f3dda6c
SH256 hash:
63246b9720b1af6279aa42eeff7865564be6912e98f82119e8ee675d377afed0
MD5 hash:
a64ba8c7ec7c28c31e2c7710284f49ed
SHA1 hash:
b58aa35ea9e175b7ab4a9901246f2d221d899a1f
SH256 hash:
8e53195acd6b896e5b7894763ca6b1009a15e5970692862ef89e8f50cf6ff39a
MD5 hash:
9cd2d4eb386c6c4ec59c4034e8f465eb
SHA1 hash:
df6111811a5daf7729839ba5c10a4acb0f3dda6c
SH256 hash:
63246b9720b1af6279aa42eeff7865564be6912e98f82119e8ee675d377afed0
MD5 hash:
a64ba8c7ec7c28c31e2c7710284f49ed
SHA1 hash:
b58aa35ea9e175b7ab4a9901246f2d221d899a1f
SH256 hash:
8e53195acd6b896e5b7894763ca6b1009a15e5970692862ef89e8f50cf6ff39a
MD5 hash:
9cd2d4eb386c6c4ec59c4034e8f465eb
SHA1 hash:
df6111811a5daf7729839ba5c10a4acb0f3dda6c
SH256 hash:
63246b9720b1af6279aa42eeff7865564be6912e98f82119e8ee675d377afed0
MD5 hash:
a64ba8c7ec7c28c31e2c7710284f49ed
SHA1 hash:
b58aa35ea9e175b7ab4a9901246f2d221d899a1f
SH256 hash:
aa4d7c8a7bd3a5690b8b2dc1ed9fc3bfd40981671b3642625fa3c7589bf459ac
MD5 hash:
14252cb2350e20c3654e7f9f314ee631
SHA1 hash:
fb83b349b7132496493e261c33a0d82aa9a0d54f
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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 aa4d7c8a7bd3a5690b8b2dc1ed9fc3bfd40981671b3642625fa3c7589bf459ac

(this sample)

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