MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c508d98d5749bcb745f5a56b8503600855985fe8654465e864c6bf35f7061fd8. 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 13 File information Comments

SHA256 hash: c508d98d5749bcb745f5a56b8503600855985fe8654465e864c6bf35f7061fd8
SHA3-384 hash: 5a6c310b48d6e67a8f2e7a3242b8775a41c65bb36d6b4b0b748e36976e2c267a887931ab44401a7d1b0fb160f63291fd
SHA1 hash: 5afbd72d7d4b88b9a5c649890c3e561a7abd1e2b
MD5 hash: e2eefdce7f47107c87d00e388984f09c
humanhash: mirror-mockingbird-summer-california
File name:e-dekont_html.exe
Download: download sample
Signature AgentTesla
File size:364'583 bytes
First seen:2023-11-30 19:11:23 UTC
Last seen:2023-11-30 20:17:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:QBlL/AovdYxdf2JMbFbq+ryYnOCXCC10nEQYWtQ5E9TDThSULWdy1x42yw5Uf7q5:iWovdYn22bB/OCS1nE4G5SXLP4vw5UG1
Threatray 2'855 similar samples on MalwareBazaar
TLSH T1E974124E66C0B41BE8C5CB713667DB66D6BF6E002811E11B4FB1BD2F6838BE24D46217
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 002b032727271b00 (3 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
292
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Setting a keyboard event handler
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to log keystrokes (.Net Source)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-30 12:56:37 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
4b5bf7aa51dcaa7bc7f0928e5f3e1f65616d531be3949b813d2573c1dcc624d4
MD5 hash:
7b6e072b8ec0c8ece3fd6e3b0b086717
SHA1 hash:
1becf233facd43214446e328f0843960e49539df
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
5ad614f4b9684dd04c3f3ed3f804c64771ec19efb9cf846973dfbc5a1901bba9
MD5 hash:
c0a87dc4e510f5382217a8f4d92ed65c
SHA1 hash:
3486a8f7bf45f0aef9dd8762f15353bf747daa9e
SH256 hash:
c508d98d5749bcb745f5a56b8503600855985fe8654465e864c6bf35f7061fd8
MD5 hash:
e2eefdce7f47107c87d00e388984f09c
SHA1 hash:
5afbd72d7d4b88b9a5c649890c3e561a7abd1e2b
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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 c508d98d5749bcb745f5a56b8503600855985fe8654465e864c6bf35f7061fd8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments