MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81d6168162bbf9e13bde19c24fd797075a7ddde876c233f971c9114f1b0334fb. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 81d6168162bbf9e13bde19c24fd797075a7ddde876c233f971c9114f1b0334fb
SHA3-384 hash: 4f0d7c84e3354d8b5e83a86f104461ae1db2dc1efe496946b72620ffe4681c7ba5c99e87bc6940083dd0b990f48dfc84
SHA1 hash: 0860df2dda03630e5c436f8a298ffb3bf437398b
MD5 hash: 9d4440d6f381e1b354387d95ca9cfb91
humanhash: alabama-early-juliet-delaware
File name:purchase order.exe
Download: download sample
Signature AgentTesla
File size:824'832 bytes
First seen:2023-06-15 18:26:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:uLcvG73htU7/2eQ1x9gUt2gPGRbcdyHd8n4GZ7WuRPR9Av6RMJwY:ugG1tCueieU8gPGZRKy+PRxQ
Threatray 2'785 similar samples on MalwareBazaar
TLSH T109050280A9680B63E676B7F94F0136B033FE9ECE2811F39A1D87F0D69864F491A51D17
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
302
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase order.exe
Verdict:
Malicious activity
Analysis date:
2023-06-15 18:29:30 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
Creating a window
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook nanocore 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
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: 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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 888530 Sample: purchase_order.exe Startdate: 15/06/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Found malware configuration 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 7 other signatures 2->76 7 purchase_order.exe 7 2->7         started        11 nbXLPqxkBDPp.exe 5 2->11         started        13 zfftgT.exe 2->13         started        15 zfftgT.exe 2->15         started        process3 file4 50 C:\Users\user\AppData\...\nbXLPqxkBDPp.exe, PE32 7->50 dropped 52 C:\Users\...\nbXLPqxkBDPp.exe:Zone.Identifier, ASCII 7->52 dropped 54 C:\Users\user\AppData\Local\...\tmp3B5E.tmp, XML 7->54 dropped 56 C:\Users\user\...\purchase_order.exe.log, ASCII 7->56 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 purchase_order.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 powershell.exe 20 7->24         started        34 2 other processes 7->34 94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 26 nbXLPqxkBDPp.exe 11->26         started        28 schtasks.exe 11->28         started        30 zfftgT.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 58 api4.ipify.org 64.185.227.155, 443, 49717, 49720 WEBNXUS United States 17->58 60 api.telegram.org 149.154.167.220, 443, 49718, 49719 TELEGRAMRU United Kingdom 17->60 68 2 other IPs or domains 17->68 46 C:\Users\user\AppData\Roaming\...\zfftgT.exe, PE32 17->46 dropped 48 C:\Users\user\...\zfftgT.exe:Zone.Identifier, ASCII 17->48 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 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        62 api.ipify.org 26->62 40 conhost.exe 28->40         started        64 173.231.16.76, 443, 49723 WEBNXUS United States 30->64 66 api.ipify.org 30->66 84 Tries to harvest and steal browser information (history, passwords, etc) 30->84 42 conhost.exe 32->42         started        44 conhost.exe 34->44         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2023-06-13 09:25:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6118510930:AAGLmjz14DOBPW-OuVj-xMJhmBoGJAqv5to/
Unpacked files
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
351c7e345d6672af982fc6463462302bf0c8053620e425c560bfdd0ec9e4f933
MD5 hash:
424d33a8bbd7875fac631f2762bde52c
SHA1 hash:
81c7939399d464d3cb6798781725a8abca9fee95
SH256 hash:
d5fb435f769364d8282b3c9b504b4215d17887c99f74b8add0460844d45f1afe
MD5 hash:
ea4d41213edb41ea19e51e87d9896984
SHA1 hash:
7a89c3341248bc08151fb9621d2ccf116c7988cc
SH256 hash:
13e9be0aba1cef3943954d2a204472356721075f8ecbfe565a476aec8346fdc6
MD5 hash:
4ce78b41df3f0bb4dff20793bcc9f78d
SHA1 hash:
4de22b09a356224b9916836ba2ee181d369d5f4f
SH256 hash:
81d6168162bbf9e13bde19c24fd797075a7ddde876c233f971c9114f1b0334fb
MD5 hash:
9d4440d6f381e1b354387d95ca9cfb91
SHA1 hash:
0860df2dda03630e5c436f8a298ffb3bf437398b
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_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 81d6168162bbf9e13bde19c24fd797075a7ddde876c233f971c9114f1b0334fb

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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