MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d7c838e83fee92a8cbc8aea3f51936c7f03cd79ac48380a4c2383ae11f31db9. 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: 3d7c838e83fee92a8cbc8aea3f51936c7f03cd79ac48380a4c2383ae11f31db9
SHA3-384 hash: c368f2eb7289bd40b502f93bc2d83a053f5f2219d53cdfb26ab8014e3f3591010d3e25972b3cc58e01b06e8959f0baba
SHA1 hash: 09550bb1a09c330f204b7f438c22f68e64321f20
MD5 hash: 91e79d91d6a112020a48d6b29715db99
humanhash: west-september-california-alpha
File name:QUOTATION_AUG7FIBA00541·PDF.scr
Download: download sample
Signature AgentTesla
File size:2'409'984 bytes
First seen:2023-08-03 15:43:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:EEY4s5LA5/minzUkUgzxYdFVeFEEEJUe:C4m2nVYdFVkOJ7
Threatray 5'581 similar samples on MalwareBazaar
TLSH T14BB5B303B94B9FA1D14F1777C1D644A8036BDE60AE12D3CB254F3F1939323A64B49A6B
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)
File icon (PE):PE icon
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
318
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
QUOTATION_AUG7FIBA00541·PDF.scr
Verdict:
Malicious activity
Analysis date:
2023-08-03 15:53:23 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Gathering data
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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
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 steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1285218 Sample: QUOTATION_AUG7FIBA00541#U00... Startdate: 03/08/2023 Architecture: WINDOWS Score: 100 28 103.169.127.40.in-addr.arpa 2->28 30 Found malware configuration 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected AgentTesla 2->34 36 5 other signatures 2->36 8 QUOTATION_AUG7FIBA00541#U00b7PDF.scr.exe 4 2->8         started        signatures3 process4 file5 26 QUOTATION_AUG7FIBA...00b7PDF.scr.exe.log, ASCII 8->26 dropped 11 aspnet_compiler.exe 2 8->11         started        14 cmd.exe 1 8->14         started        16 cmd.exe 1 8->16         started        process6 signatures7 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->38 40 Tries to steal Mail credentials (via file / registry access) 11->40 42 Tries to harvest and steal browser information (history, passwords, etc) 11->42 44 Installs a global keyboard hook 11->44 46 Uses ipconfig to lookup or modify the Windows network settings 14->46 18 conhost.exe 14->18         started        20 ipconfig.exe 1 14->20         started        22 conhost.exe 16->22         started        24 ipconfig.exe 1 16->24         started        process8
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-08-03 10:50:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
3d7c838e83fee92a8cbc8aea3f51936c7f03cd79ac48380a4c2383ae11f31db9
MD5 hash:
91e79d91d6a112020a48d6b29715db99
SHA1 hash:
09550bb1a09c330f204b7f438c22f68e64321f20
Malware family:
AgentTesla
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 3d7c838e83fee92a8cbc8aea3f51936c7f03cd79ac48380a4c2383ae11f31db9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments