MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7c7c849a3caf9999aa15fbf355cf825c00709240fabcd390810847e1f06e719. 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: 15


Intelligence 15 IOCs YARA 14 File information Comments

SHA256 hash: b7c7c849a3caf9999aa15fbf355cf825c00709240fabcd390810847e1f06e719
SHA3-384 hash: 3d5a92c138fd1229d1e603ca0429b4b606bbf816eac0a2558b50885f04c9855595d6616eb707e29b42c95e1b9da4024f
SHA1 hash: 3cca6cb011c7c6b4eab3941951248961b328f54b
MD5 hash: 43a6fbc81795d3764adfe6ae93b1b6b0
humanhash: wisconsin-kansas-robert-angel
File name:Dekont.exe
Download: download sample
Signature AgentTesla
File size:369'152 bytes
First seen:2023-11-22 11:34:34 UTC
Last seen:2023-11-22 13:15:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:9T6jlGhWpyk0gZzUq26uY1MPp08dOmbe5WwcotKYCNnleMVBl93QlDFc:NIlGUpykm6HqBTdOmbewBkCzPl93QFc
Threatray 3'948 similar samples on MalwareBazaar
TLSH T16474134DAA6D5F42CABE56BFE0E6A7014775D1FAC30ADB8274DC01257802BC28A12F57
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
381
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET 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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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 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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-22 09:22:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
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 use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
d2c824e31ba4af4a8a1c7f0afb9c20fd181119f6faf5fa8b78c1ccf5eee11971
MD5 hash:
b16ec8077edf719be668ba5cbcf2f922
SHA1 hash:
ca92dc9bc4833943f204329230546e769dd9f501
SH256 hash:
ece45a4fb06b6f062686f77d91b54f3d20d312f0ecadce950973fdbc15a15537
MD5 hash:
978c01549fa0c911165effdc9cafb773
SHA1 hash:
a53469a9cc956eaeab26c8d55f074be625d326f2
SH256 hash:
022f3adac50c753d629297672628e70715cfaf58c7f43c7fba80b0d50ea8178b
MD5 hash:
f536d4aa0a3e6c4b0696cbea134f7464
SHA1 hash:
82c6acfb61d4da76f13472214d43ac54b9ff64e9
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
f4c7ea07ad944979bd8826661d6138ec513b7db893c0222f3db71c2e0b09244d
MD5 hash:
422e3978703111d43ebb05b74b45f644
SHA1 hash:
0cc6ea925362c3988c96eb3ef28426eb4dad266d
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:
b7c7c849a3caf9999aa15fbf355cf825c00709240fabcd390810847e1f06e719
MD5 hash:
43a6fbc81795d3764adfe6ae93b1b6b0
SHA1 hash:
3cca6cb011c7c6b4eab3941951248961b328f54b
Detections:
INDICATOR_EXE_Packed_SmartAssembly
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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:NET
Author:malware-lu
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.

Malspam

AgentTesla

Executable exe b7c7c849a3caf9999aa15fbf355cf825c00709240fabcd390810847e1f06e719

(this sample)

  
Delivery method
Distributed via e-mail attachment

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