MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 734da354d0b8c982d436b43e4f8e105382af3d08def6114dfa685d1230bf64dc. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 734da354d0b8c982d436b43e4f8e105382af3d08def6114dfa685d1230bf64dc
SHA3-384 hash: 9a5a0b2a612cb0dcfeaf701f628f73122d52b660ee9fc70f1cd16581d090089dcf48570faf4fc003c012e1e596b12190
SHA1 hash: 64ff8fb7513515b13481d7f11cad160a20acfa0c
MD5 hash: 97b638dbfd7a8d5ed33c0d5a4852dd0a
humanhash: vegan-vegan-juliet-vegan
File name:proforma invoice.exe
Download: download sample
Signature AgentTesla
File size:728'576 bytes
First seen:2023-05-29 09:53:45 UTC
Last seen:2023-06-07 09:27:36 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 12288:3DHkmFx2iqNhujGjUGyGMagierfRdg9n1t5VKiRCifmcPBIRGy6oxCm+xW:TEmFxUGGMFi8s1GirqGborC
Threatray 1'864 similar samples on MalwareBazaar
TLSH T150F4126862B58B37C07E4BFD90612FB507B4578A7A23F79A8EC3B0D99B1BF800945507
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
241
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
proforma invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-05-29 09:55:15 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
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
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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: 877398 Sample: proforma_invoice.exe Startdate: 29/05/2023 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Sigma detected: Scheduled temp file as task from temp location 2->68 70 8 other signatures 2->70 7 proforma_invoice.exe 7 2->7         started        11 UkGNKxXxBiD.exe 5 2->11         started        13 SIqmq.exe 3 2->13         started        15 SIqmq.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\...\UkGNKxXxBiD.exe, PE32 7->46 dropped 48 C:\Users\...\UkGNKxXxBiD.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\Temp\tmp77C.tmp, XML 7->50 dropped 52 C:\Users\user\...\proforma_invoice.exe.log, ASCII 7->52 dropped 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->80 82 May check the online IP address of the machine 7->82 84 Uses schtasks.exe or at.exe to add and modify task schedules 7->84 86 Adds a directory exclusion to Windows Defender 7->86 17 proforma_invoice.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        88 Multi AV Scanner detection for dropped file 11->88 90 Machine Learning detection for dropped file 11->90 26 UkGNKxXxBiD.exe 11->26         started        28 schtasks.exe 11->28         started        30 SIqmq.exe 15->30         started        32 schtasks.exe 15->32         started        signatures5 process6 dnsIp7 54 api4.ipify.org 104.237.62.211, 443, 49694, 49700 WEBNXUS United States 17->54 56 api.telegram.org 149.154.167.220, 443, 49695, 49696 TELEGRAMRU United Kingdom 17->56 58 api.ipify.org 17->58 42 C:\Users\user\AppData\Roaming\...\SIqmq.exe, PE32 17->42 dropped 44 C:\Users\user\...\SIqmq.exe:Zone.Identifier, ASCII 17->44 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->72 74 Tries to steal Mail credentials (via file / registry access) 17->74 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->76 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        60 api.ipify.org 26->60 38 conhost.exe 28->38         started        62 api.ipify.org 30->62 78 Tries to harvest and steal browser information (history, passwords, etc) 30->78 40 conhost.exe 32->40         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-05-29 01:51:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 37 (56.76%)
Threat level:
  2/5
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/bot5814058627:AAFjPgERfyp3AZJXAfISMezajcw2VR_A_9U/
Unpacked files
SH256 hash:
730b9ff10a952c8f29fe6f92a0aaf821dbabeab9cae8b74b1deb1707d4b67bb2
MD5 hash:
ce840d30b3ef69bf672ea52b02685d23
SHA1 hash:
dc5b617df500e7bf1652597b023f12b79c82ffe4
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
db11c09058fa190bbe2362e442a11041238a95be2e93611c542a892bcfaeb5d1
MD5 hash:
94c39b2886dd205a8e37ac285142d113
SHA1 hash:
494c6d73c200526ec9cf471b026c829d098595bb
SH256 hash:
0b861d0e19d173621dba77fc3954b6325b3e89e0856817eb9ac1b0e4b4b6f9a0
MD5 hash:
34e9924238cc9c184aed0f7e0dd905ab
SHA1 hash:
42e0e3852a327ae2d232858ba41fca9cadd628db
SH256 hash:
734da354d0b8c982d436b43e4f8e105382af3d08def6114dfa685d1230bf64dc
MD5 hash:
97b638dbfd7a8d5ed33c0d5a4852dd0a
SHA1 hash:
64ff8fb7513515b13481d7f11cad160a20acfa0c
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 734da354d0b8c982d436b43e4f8e105382af3d08def6114dfa685d1230bf64dc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments