MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5805958d9177628e493e916522a157c4efb2997511a4653bb4bd2cc395643cd4. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 5805958d9177628e493e916522a157c4efb2997511a4653bb4bd2cc395643cd4
SHA3-384 hash: 695097b9ae3693c73db7ba6bf86d70815e700eecf2491a7bdade7f8484640632d76d371c1d348f4d68b0fad11bd4cedc
SHA1 hash: a50d483cc54dc05b0a9dd715d66d53c02c44b0ea
MD5 hash: b01ff91135ccc5a12039a26eddccfda6
humanhash: freddie-moon-harry-zulu
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
File size:891'392 bytes
First seen:2022-06-24 12:28:10 UTC
Last seen:2022-06-27 12:10:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:j2jFwEomFgU2y69RHc9QQMMtVBKTuHKYVhCcaWExz1mkoaIQQ525IA3cRD85Doea:j2Zlofzy6PquuHVo0lSy
Threatray 18'220 similar samples on MalwareBazaar
TLSH T10115F89C321C71DEC867D176DAA81C68FA6038BF971B8107A027159E9E0DB87DF254F2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 7969696969696160 (3 x AgentTesla, 1 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 651804 Sample: Purchase Order.exe Startdate: 24/06/2022 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 12 other signatures 2->72 7 Purchase Order.exe 6 2->7         started        11 yqWDN.exe 5 2->11         started        13 yqWDN.exe 4 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\yIPqPtd.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\Temp\tmp8D8.tmp, XML 7->44 dropped 46 C:\Users\user\...\Purchase Order.exe.log, ASCII 7->46 dropped 74 Injects a PE file into a foreign processes 7->74 15 Purchase Order.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        76 Multi AV Scanner detection for dropped file 11->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->78 80 Machine Learning detection for dropped file 11->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->82 22 yqWDN.exe 11->22         started        24 schtasks.exe 11->24         started        26 yqWDN.exe 13->26         started        28 schtasks.exe 13->28         started        signatures5 process6 dnsIp7 48 vikascastings.com 103.211.216.141, 49757, 49805, 587 PUBLIC-DOMAIN-REGISTRYUS Seychelles 15->48 50 mail.vikascastings.com 15->50 36 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 15->38 dropped 40 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 15->40 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file / registry access) 15->56 58 Modifies the hosts file 15->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->60 30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        52 mail.vikascastings.com 26->52 62 Tries to harvest and steal ftp login credentials 26->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 34 conhost.exe 28->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2022-06-24 06:43:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata 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
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
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
0e4977dce862316f779b9e7cc0f534082ae961977f2d491f716c9cd48ffc6422
MD5 hash:
db70ba51cdcc3d094ce8ee55db00df3b
SHA1 hash:
eb6be7d3b3775508a919e6a46ee2b180e6e7a803
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
4dedec5da5b7758c946f1539c7a21c0bcc2bc7de53bb052892d0f2b0424cf1b8
MD5 hash:
85402a3f8ead4afbf4ace0be4c22472f
SHA1 hash:
40f1fdfc016057e3f7fb7c4967b619c057dca31d
SH256 hash:
5805958d9177628e493e916522a157c4efb2997511a4653bb4bd2cc395643cd4
MD5 hash:
b01ff91135ccc5a12039a26eddccfda6
SHA1 hash:
a50d483cc54dc05b0a9dd715d66d53c02c44b0ea
Malware family:
AgentTesla.v3
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 5805958d9177628e493e916522a157c4efb2997511a4653bb4bd2cc395643cd4

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments