MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71abfe67023b4b2085b187859621c1a5ef06fc8c8eafb4d084881a62a47ffc61. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 71abfe67023b4b2085b187859621c1a5ef06fc8c8eafb4d084881a62a47ffc61
SHA3-384 hash: 99a77d80a1451452baf5639986aaad61193e71d2c51e8a9e7706e20c615460b8314c2e4d4ef514a605faa5b0a86e9f1a
SHA1 hash: 886d9a6a08cad4a883d134e351668f3e8f79af76
MD5 hash: 2214d29b2250161564379a27d772bc62
humanhash: bakerloo-uncle-tennis-delta
File name:40083195261.exe
Download: download sample
Signature AgentTesla
File size:739'840 bytes
First seen:2023-09-04 06:24:57 UTC
Last seen:2023-09-04 08:57:34 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 12288:i+47SVy9/XvaaTJK6YDqciobpW+RVwEhx+SsaMJR2eDCgNV:B47SVS/XvaaTJK6uqc1A+RuEhESTMJAm
Threatray 1'155 similar samples on MalwareBazaar
TLSH T14CF40219BB74866FDE2C67BDF0154120C774ED0B3026E38BC75AA9586ED73C1D602AA3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6c6868686aaac8e4 (9 x AgentTesla, 2 x SnakeKeylogger, 2 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
6
# of downloads :
273
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
40083195261.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 06:26:47 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302641 Sample: 40083195261.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Found malware configuration 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 8 other signatures 2->76 7 40083195261.exe 7 2->7         started        11 jaeWLN.exe 5 2->11         started        13 ODZrHmv.exe 2->13         started        15 ODZrHmv.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\jaeWLN.exe, PE32 7->52 dropped 54 C:\Users\user\AppData\Local\...\tmp49AF.tmp, XML 7->54 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 May check the online IP address of the machine 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 92 Adds a directory exclusion to Windows Defender 7->92 17 40083195261.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        34 3 other processes 7->34 94 Antivirus detection for dropped file 11->94 96 Multi AV Scanner detection for dropped file 11->96 98 Machine Learning detection for dropped file 11->98 24 jaeWLN.exe 4 11->24         started        26 schtasks.exe 1 11->26         started        100 Injects a PE file into a foreign processes 13->100 28 ODZrHmv.exe 13->28         started        30 schtasks.exe 13->30         started        32 ODZrHmv.exe 15->32         started        36 2 other processes 15->36 signatures5 process6 dnsIp7 56 mail.asiaparadisehotel.com 112.213.92.100, 49717, 49719, 49721 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 17->56 58 api4.ipify.org 173.231.16.76, 443, 49716, 49718 WEBNXUS United States 17->58 60 api.ipify.org 17->60 48 C:\Users\user\AppData\Roaming\...\ODZrHmv.exe, PE32 17->48 dropped 50 C:\Users\user\...\ODZrHmv.exe:Zone.Identifier, ASCII 17->50 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        62 api.ipify.org 24->62 40 conhost.exe 26->40         started        64 192.168.2.1 unknown unknown 28->64 66 api.ipify.org 28->66 42 conhost.exe 30->42         started        68 api.ipify.org 32->68 84 Tries to harvest and steal browser information (history, passwords, etc) 32->84 44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-04 05:07:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
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:
25b42ef027aae6aca90bef38625d5a21d7a2f43e9ac6b3a36040c431e350fc3b
MD5 hash:
32b4bacfa171adf28ffac1bfb3b2fee4
SHA1 hash:
a015cfe1c7aea2ef66a5f33c59e89e9ffb237f65
Detections:
AgentTesla
SH256 hash:
39f2c268b911312b3be267701e73ab8a388f3f9ee63ee97dc1758e1177f60b81
MD5 hash:
ded467c3964852a529308f726b8b3375
SHA1 hash:
6ddb0ea6d3b397cc308b5ccfb876d09e8bfa86ee
SH256 hash:
0e105b75b8d49cf6129af774e9d7e37ac315e6e90d2911d3cc583854482a9e95
MD5 hash:
ac144e03b94b8bbcfa4d8f0d8f8d0dd7
SHA1 hash:
1e955889309d8a230a4ae4779cf6f839ef5f520a
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
SH256 hash:
71abfe67023b4b2085b187859621c1a5ef06fc8c8eafb4d084881a62a47ffc61
MD5 hash:
2214d29b2250161564379a27d772bc62
SHA1 hash:
886d9a6a08cad4a883d134e351668f3e8f79af76
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: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 71abfe67023b4b2085b187859621c1a5ef06fc8c8eafb4d084881a62a47ffc61

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments