MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f1a449c4179eb2b282228281d26bc92fd17821b24a1a66b50e37021d5704a74. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments 1

SHA256 hash: 4f1a449c4179eb2b282228281d26bc92fd17821b24a1a66b50e37021d5704a74
SHA3-384 hash: 76789b82e292adf13a425278cf5c602b6c365e30855da732580779d2ddcf0c817d074ce8c8e8365464948832c5c1f12b
SHA1 hash: 66720e8cbb6569c013b4156a44fe92970c1cf588
MD5 hash: 00c758d48a0554f4c99b4cf88a435c05
humanhash: lake-carbon-eight-lima
File name:00c758d48a0554f4c99b4cf88a435c05
Download: download sample
Signature AgentTesla
File size:702'464 bytes
First seen:2023-11-09 07:24:15 UTC
Last seen:2023-11-09 09:16:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:PujtXTyErmj0LUl6XqWLqKUxchYOVKGVh1demIeVN:QOErmj0LUlDqtYOVKu70m
Threatray 1'450 similar samples on MalwareBazaar
TLSH T185E47B3D5DAD1637C1B9DFA58FC1842BF1D4A9AB7151AD78A4D303AA4302E16F9C023E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
354
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
00c758d48a0554f4c99b4cf88a435c05
Verdict:
Malicious activity
Analysis date:
2023-11-09 07:34:46 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1339553 Sample: 7pkkCTSDaN.exe Startdate: 09/11/2023 Architecture: WINDOWS Score: 100 27 mail.dayanbiotech.ir 2->27 29 dayanbiotech.ir 2->29 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 12 other signatures 2->47 7 7pkkCTSDaN.exe 3 2->7         started        10 Micosoft Excel 2023.exe 2 2->10         started        12 Micosoft Excel 2023.exe 3 2->12         started        signatures3 process4 signatures5 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Injects a PE file into a foreign processes 7->51 14 7pkkCTSDaN.exe 1 5 7->14         started        19 Micosoft Excel 2023.exe 2 10->19         started        21 Micosoft Excel 2023.exe 2 12->21         started        process6 dnsIp7 31 dayanbiotech.ir 5.9.154.209, 49711, 49715, 49720 HETZNER-ASDE Germany 14->31 23 C:\Users\user\...\Micosoft Excel 2023.exe, PE32 14->23 dropped 25 Micosoft Excel 2023.exe:Zone.Identifier, ASCII 14->25 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->37 39 Tries to harvest and steal browser information (history, passwords, etc) 19->39 file8 signatures9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-09 03:57:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
90e43c55de21f639b62a686d505426d1b4908feb6f20507e88e57936bb4c0c36
MD5 hash:
0370bacf54a905462af1e6c2075bc473
SHA1 hash:
cedeb791f7362348fe14e2b99b17b8f5b302e24a
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
8a5d46de8b9c0b342c856a26de0aebc3fd56e6de682f7733b6b7dfdae71f7788
MD5 hash:
389fe9fccf110d34cbec63c2ca942c04
SHA1 hash:
42557353c09a71a8f53c873e7f8c0de13ce94d13
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
4f1a449c4179eb2b282228281d26bc92fd17821b24a1a66b50e37021d5704a74
MD5 hash:
00c758d48a0554f4c99b4cf88a435c05
SHA1 hash:
66720e8cbb6569c013b4156a44fe92970c1cf588
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Web download

AgentTesla

Executable exe 4f1a449c4179eb2b282228281d26bc92fd17821b24a1a66b50e37021d5704a74

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-09 07:24:16 UTC

url : hxxp://141.98.10.56/260/audiodgs.exe