MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15a4f52505f44cf3b75ef920f51c09b310dd01a84bbed82a4642441559a39ae. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: a15a4f52505f44cf3b75ef920f51c09b310dd01a84bbed82a4642441559a39ae
SHA3-384 hash: c544eb1ac07a9c047eb61e2146c4024ba3cbb516f2ea4ea14c24778b4d5da47f4779d218de1da1b6b87f2f6f07179bc0
SHA1 hash: de2590d5ab6f9790367f861b81fe643247594bd1
MD5 hash: e25d33c69d825b7aed054772d056526d
humanhash: illinois-early-oranges-yellow
File name:40pnt#2A0.exe
Download: download sample
Signature AgentTesla
File size:606'208 bytes
First seen:2021-12-01 08:43:09 UTC
Last seen:2021-12-01 09:52:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9bd6YmDrbg4vywX5nm0X+476AJ5Xnr/amJE01odLVXuH:9J6pDg4qwFmO+476AWSoneH
Threatray 13'173 similar samples on MalwareBazaar
TLSH T134D412507BF84B27E56447FAA163508203F0313E2AF6F24A4FDEB4D70529B1547ADA8B
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40pnt#2A0.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-01 08:46:08 UTC
Tags:
n/a

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
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts 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 (e.g. based on Emerging Threat rules)
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 ftp login credentials
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 531725 Sample: 40pnt#2A0.exe Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 6 40pnt#2A0.exe 3 2->6         started        10 kprUEGC.exe 3 2->10         started        12 kprUEGC.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\...\40pnt#2A0.exe.log, ASCII 6->27 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 40pnt#2A0.exe 2 5 6->14         started        19 kprUEGC.exe 2 10->19         started        21 kprUEGC.exe 10->21         started        23 kprUEGC.exe 2 12->23         started        25 kprUEGC.exe 12->25         started        signatures5 process6 dnsIp7 35 mail.aquanova.es 51.83.52.225, 49850, 587 OVHFR France 14->35 29 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->29 dropped 31 C:\Windows\System32\drivers\etc\hosts, ASCII 14->31 dropped 33 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->33 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 43 3 other signatures 14->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-01 08:44:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 28 (78.57%)
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 behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
SH256 hash:
aa1b5112fea1cc1d8fd6ba467e56a85300750667d481a37893b0f28a92f202d3
MD5 hash:
e722e2f3ecf20945778083c2674f419f
SHA1 hash:
43ecf1b8b7ba3fd87b40f85412d3eaf7fc4f005e
SH256 hash:
a15a4f52505f44cf3b75ef920f51c09b310dd01a84bbed82a4642441559a39ae
MD5 hash:
e25d33c69d825b7aed054772d056526d
SHA1 hash:
de2590d5ab6f9790367f861b81fe643247594bd1
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 a15a4f52505f44cf3b75ef920f51c09b310dd01a84bbed82a4642441559a39ae

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments