MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4a6522be0c7b4f924079e6e69b623bc38a0eb2628db4efdc9a6b87ea35a0675. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments

SHA256 hash: c4a6522be0c7b4f924079e6e69b623bc38a0eb2628db4efdc9a6b87ea35a0675
SHA3-384 hash: 06d4fe5f3ea9267bbfaef5247553fda75a6ac9d4cac68b89f32a6c6603eb725afdb079ed6f8da6fdc42df897d01f51ac
SHA1 hash: 3fd508e5c56cd682c53dce31c302dfce53cb4550
MD5 hash: 6d3d5eeac41ae70528ed3d6d45aa942d
humanhash: kilo-moon-beryllium-cat
File name:Purchase_order_No_7839.exe
Download: download sample
Signature AgentTesla
File size:127'232 bytes
First seen:2021-09-23 14:14:19 UTC
Last seen:2021-09-23 17:50:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:c4eS0h0CTXYmvFMQ4b1Lfoh/qMiShFq8ucyZ07Vr7+7:cDS0hYmuQ4pfSSMiShs6yy71y7
Threatray 10'279 similar samples on MalwareBazaar
TLSH T135C3F1507B47A920D8352FF148B8EBC31B76D3CD25278A1D349E9036AE927CE4790BE4
File icon (PE):PE icon
dhash icon e884030dcedeb4e8 (52 x AgentTesla, 20 x Loki, 6 x Formbook)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase_order_No_7839.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 14:30:03 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-23 14:15:14 UTC
AV detection:
15 of 27 (55.56%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Downloads MZ/PE file
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c4a6522be0c7b4f924079e6e69b623bc38a0eb2628db4efdc9a6b87ea35a0675
MD5 hash:
6d3d5eeac41ae70528ed3d6d45aa942d
SHA1 hash:
3fd508e5c56cd682c53dce31c302dfce53cb4550
Malware family:
Agent Tesla v3
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
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 c4a6522be0c7b4f924079e6e69b623bc38a0eb2628db4efdc9a6b87ea35a0675

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments