MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f19a157dcd1b5e1e766da87de34c1bfff1ae7fd87cd2a9d35732d6f27700488. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f19a157dcd1b5e1e766da87de34c1bfff1ae7fd87cd2a9d35732d6f27700488
SHA3-384 hash: d9cc55368e3a14856819d5b687c10712fe27ad8c2c18a816e2c931534e75d76a1114b1083ca0ab485ea4625c7df98d67
SHA1 hash: baff231162239500006dfa15bda769fd6dc62557
MD5 hash: 464f08c40f47dac0f32a980272767a31
humanhash: tango-fix-alanine-three
File name:SecuriteInfo.com.W32.AIDetectNet.01.27553.32028
Download: download sample
Signature AgentTesla
Create hunting rule
File size:27'136 bytes
First seen:2022-06-01 05:38:51 UTC
Last seen:2022-06-01 06:34:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:eH+ny4Clbs7C80ajjjDDhPJ30c3PFR9tehkoIA2iWOrPDDDjjjQ:eH+nTClbs7C8RPf
TLSH T1F0C252376659C0EBED244A3D65A60E9009B7BD4EE4E2AFED84EC3137DF7324441D89A0
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 30888a8c8c8a8830 (3 x AgentTesla, 2 x BluStealer, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.27553.32028
Verdict:
Malicious activity
Analysis date:
2022-06-01 05:41:05 UTC
Tags:
trojan rat agenttesla opendir stealer
Link:
https://app.any.run/tasks/c4765bc7-ae7a-47f2-ae3e-39d02d1e1250

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/275878/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.27553.32028.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Sending an HTTP POST request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/646c098a-1a38-4923-9668-bb9cd78bad01
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1004732
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Document exploit detected (process start blacklist hit)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects files into Windows application
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 637228 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 69 Snort IDS alert for network traffic 2->69 71 Multi AV Scanner detection for domain / URL 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 9 other signatures 2->75 7 SecuriteInfo.com.W32.AIDetectNet.01.27553.exe 16 7 2->7         started        12 Ffeav.exe 14 4 2->12         started        14 Ffeav.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 67 52.59.30.24, 49762, 49787, 49793 AMAZON-02US United States 7->67 59 C:\Users\user\AppData\Roaming\...\Ffeav.exe, PE32 7->59 dropped 61 C:\Users\user\...\Ffeav.exe:Zone.Identifier, ASCII 7->61 dropped 63 SecuriteInfo.com.W...et.01.27553.exe.log, ASCII 7->63 dropped 87 Creates multiple autostart registry keys 7->87 89 Writes to foreign memory regions 7->89 91 Allocates memory in foreign processes 7->91 18 InstallUtil.exe 16 8 7->18         started        23 cmd.exe 1 7->23         started        25 cmd.exe 1 7->25         started        93 Multi AV Scanner detection for dropped file 12->93 95 Machine Learning detection for dropped file 12->95 97 Injects a PE file into a foreign processes 12->97 27 InstallUtil.exe 12->27         started        29 cmd.exe 1 12->29         started        31 cmd.exe 12->31         started        33 cmd.exe 14->33         started        35 cmd.exe 14->35         started        99 Document exploit detected (process start blacklist hit) 16->99 101 Injects files into Windows application 16->101 37 2 other processes 16->37 file5 signatures6 process7 dnsIp8 65 74.201.28.111, 49782, 49784, 49807 DEDIPATH-LLCUS United States 18->65 57 C:\Users\user\AppData\Roaming\...\excel.exe, PE32 18->57 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->77 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->79 81 Tries to steal Mail credentials (via file / registry access) 18->81 85 4 other signatures 18->85 39 conhost.exe 23->39         started        41 timeout.exe 1 23->41         started        43 conhost.exe 25->43         started        45 timeout.exe 1 25->45         started        83 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->83 47 conhost.exe 29->47         started        49 timeout.exe 1 29->49         started        51 2 other processes 31->51 53 2 other processes 33->53 55 2 other processes 35->55 file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6f19a157dcd1b5e1e766da87de34c1bfff1ae7fd87cd2a9d35732d6f27700488/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-01 02:15:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n4m2cv642g26dz3g3kd54ngbx77rvz75q7gsvhjvomww6j3qasea._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220601-gb96maega8/
Behaviour
Delays execution with timeout.exe
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
AgentTesla
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://74.201.28.111/b0ss/inc/ada185df82b054.php
Unpacked files
SH256 hash:
6f19a157dcd1b5e1e766da87de34c1bfff1ae7fd87cd2a9d35732d6f27700488
MD5 hash:
464f08c40f47dac0f32a980272767a31
SHA1 hash:
baff231162239500006dfa15bda769fd6dc62557
Link:
https://www.unpac.me/results/db2c72b1-96c5-4786-8cde-0b6649f5f0cc/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6f19a157dcd1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/6f19a157dcd1b5e1e766da87de34c1bfff1ae7fd87cd2a9d35732d6f27700488

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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/275878/

Comments