MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f280c31df409e8dd954ba6f42a2150bad54a7085db6975af17e8fa6c1eab2eb5. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: f280c31df409e8dd954ba6f42a2150bad54a7085db6975af17e8fa6c1eab2eb5
SHA3-384 hash: 7ed0475f92550b46dd6e51c5aca5248db92a61a8f7a521561c44641f2b64d4e3e57720fc288e39074d514076f1c9e932
SHA1 hash: aea561099e83dfbd7a3d4a6b37477ce0e5ce91e1
MD5 hash: 7841a51018e35e0b14d5677763ad1a28
humanhash: indigo-july-alanine-five
File name:rSOAAug.2023USD4625.00.PDF.exe
Download: download sample
Signature AgentTesla
File size:638'976 bytes
First seen:2023-09-05 11:39:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:3gC0h+DJw792WejS+IXHxJkin8UFGItmqeCgKzx/J1UPbeOaa8aR0:3bS+dwhPhJZ8UFrtmvlc/AbeOaP
Threatray 168 similar samples on MalwareBazaar
TLSH T135D4120267EA6F17F4FAD7F511024A6043F4381BA5A0E32C5ED353E73AA0B0A9576B17
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 FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
rSOAAug.2023USD4625.00.PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-09-05 11:42:28 UTC
Tags:
agenttesla stealer

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade 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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
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)
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)
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1303476 Sample: rSOAAug.2023USD4625.00.PDF.exe Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 6 other signatures 2->66 7 wknotdrZkkW.exe 5 2->7         started        10 rSOAAug.2023USD4625.00.PDF.exe 7 2->10         started        13 yGbzOMp.exe 2->13         started        15 yGbzOMp.exe 2->15         started        process3 file4 80 Multi AV Scanner detection for dropped file 7->80 82 Machine Learning detection for dropped file 7->82 84 Writes to foreign memory regions 7->84 90 2 other signatures 7->90 17 RegSvcs.exe 7->17         started        21 schtasks.exe 7->21         started        23 RegSvcs.exe 7->23         started        48 C:\Users\user\AppData\...\wknotdrZkkW.exe, PE32 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmp5A15.tmp, XML 10->50 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 10->86 88 Adds a directory exclusion to Windows Defender 10->88 25 RegSvcs.exe 2 5 10->25         started        28 BackgroundTransferHost.exe 10->28         started        30 powershell.exe 21 10->30         started        36 2 other processes 10->36 32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        signatures5 process6 dnsIp7 52 mail.palumalimited.com 17->52 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Tries to steal Mail credentials (via file / registry access) 17->70 72 Tries to harvest and steal ftp login credentials 17->72 74 Tries to harvest and steal browser information (history, passwords, etc) 17->74 38 conhost.exe 21->38         started        54 palumalimited.com 174.136.29.110, 49715, 49716, 587 IHNETUS United States 25->54 56 mail.palumalimited.com 25->56 46 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 25->46 dropped 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->78 58 tse1.mm.bing.net 28->58 40 conhost.exe 30->40         started        42 conhost.exe 36->42         started        44 conhost.exe 36->44         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-29 04:15:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
30 of 38 (78.95%)
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
4619a5ebb96128daca00e117061474485902a9054dfbb4c69e1044b31ad0df7a
MD5 hash:
16f6cd41351b9792f305492b8ba50bff
SHA1 hash:
2e4614542df9625af52c06d9e4ecd15380dab282
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
ebaf28744bfa555219d56440db49703efd0e1757e3e219eef119725b4f0090d5
MD5 hash:
13574c506380e6ec0da25e442099b8e4
SHA1 hash:
9900c86a1bb5a605e34de9a4167aa3b93225ec33
SH256 hash:
f3f7ca120f21ba1adfb532727187f75fb3dc3aa3a04599050d895725fccada62
MD5 hash:
cb479e1348a0a1e00f2d0c0ab7ef0e20
SHA1 hash:
60a849bc55c1371c8906399990d7ef519c4724e4
SH256 hash:
f280c31df409e8dd954ba6f42a2150bad54a7085db6975af17e8fa6c1eab2eb5
MD5 hash:
7841a51018e35e0b14d5677763ad1a28
SHA1 hash:
aea561099e83dfbd7a3d4a6b37477ce0e5ce91e1
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:NET
Author:malware-lu
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 f280c31df409e8dd954ba6f42a2150bad54a7085db6975af17e8fa6c1eab2eb5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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