MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d90f06ec13405a3f787c94a63aed2f17119d476e951f0c97e55597b27b4f687a. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: d90f06ec13405a3f787c94a63aed2f17119d476e951f0c97e55597b27b4f687a
SHA3-384 hash: 356ee7976e2727a0cb9b0827ea0147058c43385a1e17b4e582d3413b37c2fa3c2b21214c43779c1236263e5ace536922
SHA1 hash: ea96bb756b86bdcfc0d6becfab60495e109b6ad0
MD5 hash: 0e12c478cafbfde09c543832c1cd958f
humanhash: artist-tango-purple-princess
File name:invoice.exe
Download: download sample
Signature AgentTesla
File size:1'033'216 bytes
First seen:2022-10-08 21:22:17 UTC
Last seen:2022-10-10 06:10:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:4Q391wv4vecJ5lcehfwlMNV14tnn6/Fz:4QEv4RJlhwSNV14tnn69
Threatray 20'063 similar samples on MalwareBazaar
TLSH T1BE25AD253291A64FC4079534CDE2CFF0AF946D769227C2439AEB7D6FF50E4AB9B100A1
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74f4c4d4d4d4d4d4 (6 x SnakeKeylogger, 5 x AgentTesla, 5 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
418
Origin country :
n/a
Vendor Threat Intelligence
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 from a recently created file
Creating a process with a hidden window
Launching a process
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Sigma detected: Scheduled temp file as task from temp location
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: 718936 Sample: invoice.exe Startdate: 08/10/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 7 other signatures 2->50 7 invoice.exe 7 2->7         started        11 fTmkkf.exe 5 2->11         started        process3 file4 32 C:\Users\user\AppData\Roaming\fTmkkf.exe, PE32 7->32 dropped 34 C:\Users\user\...\fTmkkf.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp7682.tmp, XML 7->36 dropped 38 C:\Users\user\AppData\...\invoice.exe.log, ASCII 7->38 dropped 52 Detected unpacking (changes PE section rights) 7->52 54 Detected unpacking (overwrites its own PE header) 7->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 7->56 64 3 other signatures 7->64 13 RegSvcs.exe 2 7->13         started        18 powershell.exe 19 7->18         started        20 schtasks.exe 1 7->20         started        58 Antivirus detection for dropped file 11->58 60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 22 RegSvcs.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 mail.pisc.lk 108.170.60.107, 49704, 49705, 587 SSASN2US United States 13->42 40 C:\Windows\System32\drivers\etc\hosts, ASCII 13->40 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->68 70 Tries to steal Mail credentials (via file / registry access) 13->70 76 2 other signatures 13->76 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        72 Tries to harvest and steal ftp login credentials 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 30 conhost.exe 24->30         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-10-05 08:39:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger 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
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
08ab966787dc76224a9770012eec9ac580f9d9c7f7553ebd45d3b4601616b8fa
MD5 hash:
900099b0a8f2324d2ed9b0f78c1d617f
SHA1 hash:
e94e6242804008c1e751c8d378a4c57de10a5915
SH256 hash:
42fd029a8562110f266657ecf9d7b391352d03c933375057c3c1f0090f9f89e9
MD5 hash:
98bcb448c9f2bd948d57aed8305af444
SHA1 hash:
bec89f8d9346005786f24e4a38811ec7199e1d16
SH256 hash:
5fbdcb76c77563ed3d729fdca3396169c54443253001cf9b1b6b75a0f75cdcb4
MD5 hash:
629c31e71cfa6aab7a62bef45298816c
SHA1 hash:
932da9270d08d3b97ad1fb75e3d3180481f91096
SH256 hash:
70dfa4c873605ab0fcdcb62be2a970da110535280d8dc88261edbe1ed2865307
MD5 hash:
d5b0f8aff064b3e828421b48efccd312
SHA1 hash:
724f4bc7ab4e08c45562748b739c8f7496a5ad8f
SH256 hash:
6b2f4cfe60e608112f021376507cd00f2bd682e9a50730c8c8778793b8b8c151
MD5 hash:
a0ae5f16dfce967108c5b72f3da2e0da
SHA1 hash:
22336ab07841fe49cdcc37b2fd1f5525c84b4bc5
SH256 hash:
d90f06ec13405a3f787c94a63aed2f17119d476e951f0c97e55597b27b4f687a
MD5 hash:
0e12c478cafbfde09c543832c1cd958f
SHA1 hash:
ea96bb756b86bdcfc0d6becfab60495e109b6ad0
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 d90f06ec13405a3f787c94a63aed2f17119d476e951f0c97e55597b27b4f687a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments