MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f1d383f87ddadde53543ae6155ce7ef17b543aaa8af6b4953e26a64ae796ce8. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f1d383f87ddadde53543ae6155ce7ef17b543aaa8af6b4953e26a64ae796ce8
SHA3-384 hash: 54708356f1b0d7bcaa1829ef0833a0aed75450cdf13443a93c212f9aeb3daa67469e06c874ec0cd60932a55dc00fe3a8
SHA1 hash: 370b4cff5298a8f68d4347e5863574084204b38f
MD5 hash: ebf39ab6e9f33ebba468b651ef850e6a
humanhash: aspen-nevada-jupiter-vermont
File name:URGENT REQUEST.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:325'924 bytes
First seen:2023-01-30 14:31:35 UTC
Last seen:2023-01-31 09:17:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:vYa6pRGpH+znj26aUOeEhwbORrhlbtT7NS614JSJdI9Kng2m:vY7v7j/a4OOORVP7NSph94m
Threatray 25'026 similar samples on MalwareBazaar
TLSH T19564126675F1E067D2A21F30697313A60B68FD172921491F3391AF6EB921863EF0F351
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 Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
URGENT REQUEST.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 14:33:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c751e996-d579-44f9-b62c-8bed1cb2e816

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/358366/
Detection(s):
SecuriteInfo.com.Variant.Lazy.263633.1152.22786.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64066/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d7d4e4528134caf0437133/reports/f94e0447-0f72-42f8-b7ec-f7c795f5bdf9/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b7a9b5a-108a-4349-97b8-6e7017ec4404
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161693
Signature
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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)
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f1d383f87ddadde53543ae6155ce7ef17b543aaa8af6b4953e26a64ae796ce8/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-30 09:07:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4otqp4h3ww54u2uhltbkxhh54l3kq5kvcxwwskt4jvgjltzntua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1143b577b1f61ea03807acd45383937486fd8f7873df1d1485848e0af7bc8780
AgentTesla
24902a43196fd02d2939443510181c165980bd71e889dcff559ca25153c76d81
AgentTesla
2539c6afb8cadcca6bff6d5c73e3d345577681b31de03809b7431c1f15ae85b8
AgentTesla
2a5098792b07f38355f0e06fee170432226013a21bc18c129212bb868e98f478
AgentTesla
46bfebe7ffd387d099666f45f5929e5db96cb5543b1991a29aa4c541c32f8542
AgentTesla
a7d2bd1e968aea0e81664aa5aabd428a57d12bc8573611543ad72a57661180b8
AgentTesla
aa724992c2ca0d11c006a4b8d8f4a26a20b8b08d82f3afba1ad85ebeb5129344
AgentTesla
f711597a4eb7c26df4f434b6ba92ba617918340e1fafcf106aadfb0ff4902775
AgentTesla
f7ff5363ab3abab34b14cd4a9962d092a506a00c0ceca50f8666aa3bd93da5d0
AgentTesla
+ 25'016 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection spyware stealer
Link:
https://tria.ge/reports/230130-rwaavacd5x/
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
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
Executes dropped EXE
Unpacked files
SH256 hash:
13f3862ee9b9a445d36ae99d6622cf6fd8a84597912b4c0f5060ca551d0e3fef
MD5 hash:
e15b474e087940f3ea962a7c78bb05f5
SHA1 hash:
e65ad1bbb9f0c4eb2d8ce855177bca5a1521ff20
Link:
https://www.unpac.me/results/5f52a05d-65fe-459a-8f95-a6a8126cb7c0/
SH256 hash:
a4805fd94dfdd0336c1c4ecfcc6671fbe6a30916ffdc074027ba5033e30c1b60
MD5 hash:
6da2d639a451a2cdb6caec106a4ee343
SHA1 hash:
477e7168f4ce8898e18e570ac4a79a5a2ead39b2
Link:
https://www.unpac.me/results/5f52a05d-65fe-459a-8f95-a6a8126cb7c0/
SH256 hash:
92468a692678be3b4b70c65778746e004294a4fbcc6bc10f1799cea432f759d0
MD5 hash:
f2e89a1e5d3125fe674780416c149215
SHA1 hash:
dbb4d3015ca4e6fad78f0efc8fe9781fb77faa45
Link:
https://www.unpac.me/results/5f52a05d-65fe-459a-8f95-a6a8126cb7c0/
SH256 hash:
3f1d383f87ddadde53543ae6155ce7ef17b543aaa8af6b4953e26a64ae796ce8
MD5 hash:
ebf39ab6e9f33ebba468b651ef850e6a
SHA1 hash:
370b4cff5298a8f68d4347e5863574084204b38f
Link:
https://www.unpac.me/results/5f52a05d-65fe-459a-8f95-a6a8126cb7c0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f1d383f87dd/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/3f1d383f87ddadde53543ae6155ce7ef17b543aaa8af6b4953e26a64ae796ce8

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 0420a47d26110ca71c178181b55c302cafc9c5f52f87294fa5da37e4878faf5c

AgentTesla

Executable exe 3f1d383f87ddadde53543ae6155ce7ef17b543aaa8af6b4953e26a64ae796ce8

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/358366/
  
Dropped by
SHA256 0420a47d26110ca71c178181b55c302cafc9c5f52f87294fa5da37e4878faf5c
  
Dropped by
MD5 84d6b788e33e0f1671451cf5e645a227
  
Dropped by
SHA256 6e7dc162617db3cf1c783aac63379eadd462b1e19139b6dca2bb62eebe807d31
  
Dropped by
MD5 f47104a71fd6194240dbe0d5a1561349

Comments