MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896
SHA3-384 hash: a018772aef99da2e015f79e43c350bbeebc59b7165d1a95fd463c246546d620d4e76b1e486e8b0f5d93d74a6af53b951
SHA1 hash: 8a260fec640ca0e2ed47213218e84925223f0e70
MD5 hash: 8ecee32d61396f90272cbf7675950ad3
humanhash: east-football-network-social
File name:URGENT REQUEST.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:274'646 bytes
First seen:2023-03-07 12:15:26 UTC
Last seen:2023-03-13 07:11:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6e5pa0bLUTsNZVXMlj5W0uwYEQsJl4WmCs3DV5a40:/YQW0vQWVW8CQsf9sT+
Threatray 721 similar samples on MalwareBazaar
TLSH T121441260F2E0E15BECE04B725E3E65FB9F65C9270675925B231087EC3C23245E56E3A2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
URGENT REQUEST.exe
Verdict:
Malicious activity
Analysis date:
2023-03-07 12:18:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/82488ec9-4b85-4180-b741-d926c40fee2e

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/372202/
Detection(s):
Sanesecurity.Rogue.0hr.20230307-1032.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
babar formbook overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64072b057f18ce9b0180608d/reports/f51e8542-d7c5-48f4-b3d7-f9a79026d99c/overview
Verdict:
Malicious
Labled as:
Babar.Generic
Link:
https://www.hybrid-analysis.com/sample/498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/17995196-88ea-4d7d-a79f-9cf178607df9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1188512
Signature
Antivirus detection for dropped file
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Sample has a suspicious name (potential lure to open the executable)
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 821388 Sample: URGENT_REQUEST.exe Startdate: 07/03/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected AgentTesla 2->48 50 2 other signatures 2->50 7 URGENT_REQUEST.exe 19 2->7         started        10 ajfo.exe 2->10         started        13 ajfo.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\fromrn.exe, PE32 7->28 dropped 15 fromrn.exe 1 2 7->15         started        58 Antivirus detection for dropped file 10->58 60 Multi AV Scanner detection for dropped file 10->60 19 WerFault.exe 4 10 10->19         started        22 WerFault.exe 10 13->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\Roaming\...\ajfo.exe, PE32 15->30 dropped 36 Antivirus detection for dropped file 15->36 38 Multi AV Scanner detection for dropped file 15->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->40 42 3 other signatures 15->42 24 fromrn.exe 2 15->24         started        32 192.168.2.1 unknown unknown 19->32 file8 signatures9 process10 dnsIp11 34 mail.mibmglobal.com 70.32.23.72, 49698, 587 A2HOSTINGUS United States 24->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->52 54 Tries to steal Mail credentials (via file / registry access) 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-07 10:32:19 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgfeml4qnabgqqs7bputw2gpfcnavl5afsivtyxxbcsv27djjcla._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1376df41ef75f22b8d35a4407c9aa23789e82c5b49bbef3cba7406bafa067122
AgentTesla
165a4a13cc076a6cf2a41f4b6bb1d2336033d9976d0abb8f02e941eb64a6f963
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25f79d0c4a4ed6b6e706b6cc4df77a0af567127215b001c331f66899cf38f363
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2e5c6d2c1e1eac4e565f8d71544b7d54c7b1834555edf51254ea70c9a23a28f2
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467ef57122a909dadc6824af7c479e429cbd53428edece7472eec5993c2568d6
AgentTesla
47c3e044af3684dfa7d4d7885d9452358620d9e98c25fffe0d0c82c9f72fbf08
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4d13c083733f91952877388ea9aca09aab32bb5f31a422c0fb0590921cb2316e
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6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381
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c256525c8f37a9a8fa3f42995a9d257d4305e7939ccb35949a856ecc8b2a99e2
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e3f0cf7effaf970e55ce7b44afa66607f8126403523b609849339d551011480f
AgentTesla
+ 711 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/230307-pffrkshc61/
Behaviour
Suspicious behavior: MapViewOfSection
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
Executes dropped EXE
Loads dropped DLL
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:
b8f041a8919570c23b83553cbc1386285ac1b155fabb9f3fbe26087f01286ab5
MD5 hash:
7630fc3bf87d97c081ef39b6c3769281
SHA1 hash:
277f162bc79d1189c2f1ea39b60231d905b8c976
Link:
https://www.unpac.me/results/5e643078-81e9-45d9-a3a5-d01f470b7ad2/
SH256 hash:
498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896
MD5 hash:
8ecee32d61396f90272cbf7675950ad3
SHA1 hash:
8a260fec640ca0e2ed47213218e84925223f0e70
Link:
https://www.unpac.me/results/5e643078-81e9-45d9-a3a5-d01f470b7ad2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/498a462f9068/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Malspam

AgentTesla

zip 8facc9232da36d8813cda98b5171cd425925436f99534effbe571d3762849b3e

AgentTesla

Executable exe 498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8facc9232da36d8813cda98b5171cd425925436f99534effbe571d3762849b3e
Cape
Cape
https://www.capesandbox.com/analysis/372202/
  
Dropped by
MD5 1a87b00d5404e20995189b4d9f525f2f

Comments