MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c197092877ec4d548bdb4a2fb4284bed16b940e701c3123fba0f25eac00664a. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 4c197092877ec4d548bdb4a2fb4284bed16b940e701c3123fba0f25eac00664a
SHA3-384 hash: f6ca1ae9356177762599d31eeb2a275882575a6893bfc438fee14a1f063cb604c7944c58a744c5c04b05aa293446f83c
SHA1 hash: 10f9c184b5e5f305a2e866087e0581ef23f32b28
MD5 hash: 73e25f09d4c7e66c2f126f49e47154aa
humanhash: hotel-hydrogen-hot-lemon
File name:winlog.exe
Download: download sample
Signature AgentTesla
File size:694'784 bytes
First seen:2021-01-26 13:38:51 UTC
Last seen:2021-01-26 16:20:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eF5bs3VzUKDDO8vn7YIgCAKxHmnWHL7LJHAAq6QY1MXxeHX:eF54VwGv7IF0sWHL7VI/YuBe
Threatray 2'290 similar samples on MalwareBazaar
TLSH CAE48B255638DE54CCF9E7780960533823FD9E3E9266C1482C6BF5ED3A3274A5EE220D
Reporter JAMESWT_WT
Tags:AgentTesla VelvetSweatshop

Intelligence


File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
winlog.exe
Verdict:
Malicious activity
Analysis date:
2021-01-26 13:41:58 UTC
Tags:
n/a

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
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-01-26 13:39:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
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:
95a90e7f0695ef899a2c97068e7cc5d53725deb893bcced71397891aa8d4c3dc
MD5 hash:
d587fd81bece55fb8abe9c4e284fefbc
SHA1 hash:
6e2d1e3e9ca5b2ebb5990637c3e2e6aca03c3ba4
SH256 hash:
ad7f3c182c38049bc178291f589a25fc9f1b32db9b54fec6b1d848a2bfc5b5f8
MD5 hash:
e98627391b65385011a29a8f85089c74
SHA1 hash:
16832f1ea0284c1f2d72539bde00e1ba45b60090
SH256 hash:
ac4512c817c309261d8198967719f4e284f6b701a81c0ccc58d64c81aeb9048a
MD5 hash:
f7b258e18e4a156535d10710b26d0f4e
SHA1 hash:
402934203483bb6e2afa1705905c470a374bb44a
SH256 hash:
4c197092877ec4d548bdb4a2fb4284bed16b940e701c3123fba0f25eac00664a
MD5 hash:
73e25f09d4c7e66c2f126f49e47154aa
SHA1 hash:
10f9c184b5e5f305a2e866087e0581ef23f32b28
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Web download

AgentTesla

Executable exe 4c197092877ec4d548bdb4a2fb4284bed16b940e701c3123fba0f25eac00664a

(this sample)

  
Delivery method
Distributed via web download

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