MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a
SHA3-384 hash: 030417e81e56162d01a259c1abd16441deb8534b7aae4a37dca98d60eaaa7e34f5d14ed815510b04352f503507c97444
SHA1 hash: bde21cdc55e23946d5070181153d9e00b9581d5b
MD5 hash: c8d3d81956897a5becac1c93ef820412
humanhash: virginia-mars-river-shade
File name:SecuriteInfo.com.IL.Trojan.MSILZilla.23263.25992.20476
Download: download sample
Signature AgentTesla
Create hunting rule
File size:16'896 bytes
First seen:2022-09-28 08:12:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 96:Gdpv1VPgm/YdONxslVOFz7f1BXCdJSihfSYons6ixZ6ZZkugeH6q26QBqfFQUqzj:G31JeCz71In9/CK6EYRM
Threatray 19'432 similar samples on MalwareBazaar
TLSH T142725E6EB7CFC65AD85895F21C2382D42DA2FE54ED62CBA931E3B73D64F53880805720
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)
File icon (PE):PE icon
dhash icon 7ce6e69292caced4 (7 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314278/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.23263.25992.20476.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6334020fc9e2f34354310649/reports/b589592d-bb40-44f3-94fe-1facae882f11/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8d5d907f-33ce-4f34-8732-6229a1b7dea9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1079051
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Encrypted powershell cmdline option found
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
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
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 / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 711612 Sample: SecuriteInfo.com.IL.Trojan.... Startdate: 28/09/2022 Architecture: WINDOWS Score: 100 43 api.telegram.org 2->43 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Yara detected AgentTesla 2->59 61 7 other signatures 2->61 8 SecuriteInfo.com.IL.Trojan.MSILZilla.23263.25992.20476.exe 16 7 2->8         started        13 Bvqlvy.exe 14 4 2->13         started        15 Bvqlvy.exe 3 2->15         started        signatures3 process4 dnsIp5 45 103.207.39.154, 49700, 49703, 49705 VNPT-AS-VNVNPTCorpVN Viet Nam 8->45 35 C:\Users\user\AppData\Roaming\...\Bvqlvy.exe, PE32 8->35 dropped 37 C:\Users\user\...\Bvqlvy.exe:Zone.Identifier, ASCII 8->37 dropped 39 SecuriteInfo.com.I...25992.20476.exe.log, ASCII 8->39 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->65 67 Encrypted powershell cmdline option found 8->67 17 SecuriteInfo.com.IL.Trojan.MSILZilla.23263.25992.20476.exe 2 8->17         started        21 powershell.exe 16 8->21         started        69 Multi AV Scanner detection for dropped file 13->69 71 Machine Learning detection for dropped file 13->71 73 Injects a PE file into a foreign processes 13->73 23 powershell.exe 13->23         started        25 Bvqlvy.exe 13->25         started        27 powershell.exe 15->27         started        file6 signatures7 process8 dnsIp9 41 api.telegram.org 149.154.167.220, 443, 49704, 49706 TELEGRAMRU United Kingdom 17->41 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->47 49 Tries to steal Mail credentials (via file / registry access) 17->49 51 Tries to harvest and steal ftp login credentials 17->51 53 Tries to harvest and steal browser information (history, passwords, etc) 17->53 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 27->33         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-28 08:13:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukr72s4mjjwo2vg6njmwvhgqdolu5tka7j5qc3ncsoq7wjt67ufa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0e3e160ddaa8d68817083c0af379a529fe607c414bb9a9befed895ad7f9d3b38
AgentTesla
1419eb79b8c559ca689d2ee64b2d2ac55ca538c97e966d78e5855100b095dbad
AgentTesla
6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66
AgentTesla
8aa4295ba55d4375ddf998facfb0a7a95394cdae9c4eac0a0fbaccae4df717c6
AgentTesla
ab91459253a14ca086ed1b79f0958b331fc09b7d611ef953ca85c045ff43024e
AgentTesla
ba7668b41ac8a2295eaa9a02952ff8b5947782b77645f53e06fbb3bb33c110df
AgentTesla
d1be2499de89be1f90b8fba3abbf20cfd30152c3ae10674152b2604ac86d76ac
AgentTesla
+ 19'422 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220928-j4earsfdc4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5686390670:AAH21dU8FukGdd0mBx05kATfrHXzwOBBg1Q/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0fff9628-9817-4c86-9e8c-5d801817b692
Unpacked files
SH256 hash:
a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a
MD5 hash:
c8d3d81956897a5becac1c93ef820412
SHA1 hash:
bde21cdc55e23946d5070181153d9e00b9581d5b
Link:
https://www.unpac.me/results/31d43f4d-0a61-46ca-84f0-e48db5343a1c/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2a3fd4b8c4a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/314278/

Comments