MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d838c2f9a31f5dc958b875ff3d61165197adf7f590380dae841b473a0234c3f0. 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 6 File information Comments

SHA256 hash: d838c2f9a31f5dc958b875ff3d61165197adf7f590380dae841b473a0234c3f0
SHA3-384 hash: c0d669031b7088aaea46571863f2fde594bacd97966f8b4eedd4e7885265b940734ffb791bc1c59a9cad1e1bc5ed4a69
SHA1 hash: 6bc95f12618f4dbb7b8ba42b25234d6dde84f7e0
MD5 hash: b7edd14b3a7acbd329e71ed88085f4ad
humanhash: whiskey-kilo-diet-uniform
File name:HBL+MBL ADVICE.exe
Download: download sample
Signature AgentTesla
File size:917'504 bytes
First seen:2022-05-04 13:18:25 UTC
Last seen:2022-05-05 06:21:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:anxGQgXAD/R3hSdQRFGXQ8gnmqSyL9/TKf5qN13p9G7tFrWgvFBbGtU/mCbWLEPG:anzVR3IAFb8OQfG9GP
Threatray 17'079 similar samples on MalwareBazaar
TLSH T11415A4DC325072DFC867C972DAA81D64EA90747B831BE343916317E99A4D8ABDF140F2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
HBL+MBL ADVICE.exe
Verdict:
Malicious activity
Analysis date:
2022-05-04 13:36:17 UTC
Tags:
agenttesla

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

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-04 10:37:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1562684159:AAF0RHsedAMUFPfvPk6IyrreCEPxQ_b3Y3g/sendDocument
Unpacked files
SH256 hash:
b46983b0f8c0b2cd1eb2a7a89d8ab284106183b62a675ffabc1f065bc876e8df
MD5 hash:
b3ff80bb9cc573ef1f036aef5a0dfc4b
SHA1 hash:
66f7824bf9bae1314037cf8b75ca34c4c44db3b4
SH256 hash:
f71b6f06d56e8a194f1c449107cfdee8e9051be4503b6a95f27761ba74df9e61
MD5 hash:
71020b0efc32b4540f1f27f3c49478af
SHA1 hash:
63ea2181c306d15526f07c1d47b62b9942f391de
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
d838c2f9a31f5dc958b875ff3d61165197adf7f590380dae841b473a0234c3f0
MD5 hash:
b7edd14b3a7acbd329e71ed88085f4ad
SHA1 hash:
6bc95f12618f4dbb7b8ba42b25234d6dde84f7e0
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe d838c2f9a31f5dc958b875ff3d61165197adf7f590380dae841b473a0234c3f0

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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