MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af2acd41db7481f03a6646e86518d18a8625e4d3d69d5c02f5698c6e95c43b32. 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: af2acd41db7481f03a6646e86518d18a8625e4d3d69d5c02f5698c6e95c43b32
SHA3-384 hash: 543b1e1e4b8b1ccc7829c5b0ee66148cd8e556e517bfdce68bdee7deef25074b9bf670787e6585d316e9d6fb8e0a7d05
SHA1 hash: 27adf516eba44428f8cf8f76937e62fa8dec26f4
MD5 hash: 0c3326b9f34c49723e9e2aec502217d7
humanhash: sweet-steak-maine-chicken
File name:Purchase order.exe
Download: download sample
Signature AgentTesla
File size:489'984 bytes
First seen:2022-06-14 08:31:13 UTC
Last seen:2022-06-14 10:00:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Sj3+rqLrm9J/BGmLLKW4Ne1xHu+bOPu/MEiltockwslP8nI86NtFsL7bmIFnajvi:S2/MEutolJU/6fFi7hIjvHSJCs
Threatray 17'427 similar samples on MalwareBazaar
TLSH T136A4021067E58B8AD1FE47F83871124047B5A636D8A2D32F8D94A0DD6D73F80C65BBA3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Purchase order.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 08:47:46 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed shell32.dll
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
Adds a directory exclusion to Windows Defender
Executable has a suspicious name (potential lure to open the executable)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 645183 Sample: Purchase order.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 12 other signatures 2->62 7 Purchase order.exe 7 2->7         started        11 Tnpak.exe 2 2->11         started        13 Tnpak.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\xYPkmX.exe, PE32 7->36 dropped 38 C:\Users\user\...\xYPkmX.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp7AD3.tmp, XML 7->40 dropped 42 C:\Users\user\...\Purchase order.exe.log, ASCII 7->42 dropped 64 Writes to foreign memory regions 7->64 66 Adds a directory exclusion to Windows Defender 7->66 68 Injects a PE file into a foreign processes 7->68 15 RegSvcs.exe 2 4 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 44 subnet-group.com 206.189.39.129, 49771, 587 DIGITALOCEAN-ASNUS United States 15->44 46 mail.subnet-group.com 15->46 32 C:\Users\user\AppData\Roaming\...\Tnpak.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 5 other signatures 15->54 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-14 07:15:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
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
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
595c7f8b4652fe668da9b1324826905a83a12f94b9626af2aa05b95dbc435b36
MD5 hash:
08568fc0f6b307976e520ec7dd9321cb
SHA1 hash:
a84ea968154a6eff3cff12ff7003b0236b523ecc
SH256 hash:
8eea34761755bde6873f711d42e0cea8c3a08b702c192fb02749c0a6af01c7ec
MD5 hash:
41e199eb276a7ead0799dbf2948af888
SHA1 hash:
58e52db4474a979245a79d8f7686eff2f7be6f5f
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
SH256 hash:
dedf2121333d536db078f93acd28bd281657f636939924392dab986b27f6414d
MD5 hash:
3effa1ef17d3473e4ccbd111cbcbf189
SHA1 hash:
1d7de08d2e116acb41c412cb2ee2ea68958062f1
SH256 hash:
af2acd41db7481f03a6646e86518d18a8625e4d3d69d5c02f5698c6e95c43b32
MD5 hash:
0c3326b9f34c49723e9e2aec502217d7
SHA1 hash:
27adf516eba44428f8cf8f76937e62fa8dec26f4
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 af2acd41db7481f03a6646e86518d18a8625e4d3d69d5c02f5698c6e95c43b32

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments