MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddb4b8244d94be167ef9365d5b2c87a55a466300a20cb2ae7097c9fd99799f9f. 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 10 File information Comments

SHA256 hash: ddb4b8244d94be167ef9365d5b2c87a55a466300a20cb2ae7097c9fd99799f9f
SHA3-384 hash: 593b6524a707aa5bd2afc5804cedaebdd13288add363b35c779cd84bd7d278547d7dba1b4778888829071a24a4a9ccd9
SHA1 hash: b78bbe1a84056f44092ce22d3e983106a9948850
MD5 hash: 66d2a9ccb1c8fc3c130ee3941e8c97dd
humanhash: mars-river-sodium-diet
File name:169660302922423d5cd54efa1f09d4825eacfcca4d8a531e98c65ce57121cda39751a54978275.dat-decoded
Download: download sample
Signature AgentTesla
File size:240'640 bytes
First seen:2023-10-06 14:37:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 3072:L0k6wYoXebS+nelIhoMt58x015y5N1GargN2QD:L0k6wYoXebS+nel+oyexg5Arg4
Threatray 137 similar samples on MalwareBazaar
TLSH T13E341F037E48EB15E5A83E3B82EF2C2413B2B0C71633D60B6F49AE5614517929D7E72D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AgentTesla base64-decoded exe


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
Сreating synchronization primitives
DNS request
Creating a window
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-06 14:38:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
ddb4b8244d94be167ef9365d5b2c87a55a466300a20cb2ae7097c9fd99799f9f
MD5 hash:
66d2a9ccb1c8fc3c130ee3941e8c97dd
SHA1 hash:
b78bbe1a84056f44092ce22d3e983106a9948850
Detections:
win_agent_tesla_g2
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: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:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
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.

22423d5cd54efa1f09d4825eacfcca4d8a531e98c65ce57121cda39751a54978

AgentTesla

Executable exe ddb4b8244d94be167ef9365d5b2c87a55a466300a20cb2ae7097c9fd99799f9f

(this sample)

  
Dropped by
SHA256 22423d5cd54efa1f09d4825eacfcca4d8a531e98c65ce57121cda39751a54978
  
Dropped by
MD5 e5760b241e0622e89c013e743a49f9e9
  
Delivery method
Distributed via web download

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