MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03c88e9e5911ea62332b5e92a475a8784c16371430b544c0d2ba817bbbe210a0. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03c88e9e5911ea62332b5e92a475a8784c16371430b544c0d2ba817bbbe210a0
SHA3-384 hash: cf0b1f146c4e2e4f14707cb02a43dfbf79a9e8e9a7f39a2eb69d55bfdd4dd724c1a569812781d61757f6d05fde122744
SHA1 hash: 9931942a4e4db3e8f962e48c78864d4fe6082d23
MD5 hash: 07acee9113733e50649a723a3b5f775c
humanhash: bulldog-stream-leopard-lithium
File name:07acee9113733e50649a723a3b5f775c.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:386'520 bytes
First seen:2022-12-10 09:00:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:ykwPT2lj+OptcyDu1Au6tOQREAhm/W6YqXgpQd1/ap4/SA5Dkjirl:8qqOpeMueuesTTYGcQb1SA5DkGl
Threatray 12'958 similar samples on MalwareBazaar
TLSH T12F84DF7A60B1DF56C82F3535CA2786F682A3DD05CC0253DF7294BEAA7A36584F438943
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 232b515173695d41 (14 x Formbook, 14 x AgentTesla, 6 x NanoCore)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/344946/
Detection(s):
SecuriteInfo.com.Dropped.Trojan.GenericKD.64127005.1107.9200.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Setting a keyboard event handler
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63944ad8d4d7598ad904fa14/reports/a097bb69-41a8-4a65-afa3-639a97b5793e/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/36a20af7-e438-47d2-a40a-f4a6d1e16f36
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1131872
Signature
.NET source code contains very large array initializations
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 764605 Sample: 9y70QnPVM6.exe Startdate: 10/12/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 .NET source code contains very large array initializations 2->51 7 9y70QnPVM6.exe 19 2->7         started        10 yvwyaskx.exe 2->10         started        13 yvwyaskx.exe 2->13         started        process3 file4 27 C:\Users\user\AppData\...\jtatjzjrmg.exe, PE32 7->27 dropped 15 jtatjzjrmg.exe 1 2 7->15         started        61 Multi AV Scanner detection for dropped file 10->61 19 WerFault.exe 4 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 file7 29 C:\Users\user\AppData\...\yvwyaskx.exe, PE32 15->29 dropped 37 Multi AV Scanner detection for dropped file 15->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->39 41 May check the online IP address of the machine 15->41 43 2 other signatures 15->43 23 jtatjzjrmg.exe 15 3 15->23         started        signatures8 process9 dnsIp10 31 smtp.yandex.ru 77.88.21.158, 49708, 587 YANDEXRU Russian Federation 23->31 33 api4.ipify.org 64.185.227.156, 443, 49695 WEBNXUS United States 23->33 35 2 other IPs or domains 23->35 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->53 55 Tries to steal Mail credentials (via file / registry access) 23->55 57 Tries to harvest and steal ftp login credentials 23->57 59 2 other signatures 23->59 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03c88e9e5911ea62332b5e92a475a8784c16371430b544c0d2ba817bbbe210a0/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-09 08:13:57 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
15 of 21 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=apei5hszchvgemzll2jki5nipbgbmnyugc2ujqgsxkaxxo7cccqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0a8174bbb3c63745bfd66e7774a83d9802192e7d800fa656dbdecd90f110105e
AgentTesla
24db2e7ba38ff5dc81c50e2b03c174de23cad2b480bb82a989b00f12767e19a0
AgentTesla
3e8e2a2868f0e729a298541b51105ca23c60b0ffaa2c7b7c89e8a1edc0b2eab7
AgentTesla
4dd83a9f2b7002a9e6e98ce6035a077e3f379722429211c87c2ced4e708c2473
AgentTesla
66e8893d8742feb4cf59cba5705d0ed26ec79f7287c873e56b4216b71903af81
AgentTesla
6edf2090f396f8b0fe0846194add30c81ff740e21599fb660a5f6433474de8c7
AgentTesla
916d30f29bbbbbbf9cd02ee4c66d611750d1a0aafa7b3f364b35e46216ae90a3
AgentTesla
a32619cd26fbb97072657ec6a481d4f4fd6c51b72ea5ea0837006d9a8dd24800
AgentTesla
f5c710060042d56e8e18e0d42256a4959c8d5529f8ea90e8e3084a742a9027f4
AgentTesla
+ 12'948 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/221210-kyxetsaa6y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Looks up external IP address via web service
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
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/83e12d02-62ac-4a82-8c5d-0631f0a1ef28
Unpacked files
SH256 hash:
2b3a526bd5e702d2dbc16bc18ab2ad8f0a2f7e338ebb1635b9321bf65482944d
MD5 hash:
0ca1447f0acb9c561df0ba3204367250
SHA1 hash:
ba7e351ab6e0184a85c75ceba33b8fe02d5342f7
Link:
https://www.unpac.me/results/c6043d30-096c-456c-b5b1-8e9c25be03f5/
SH256 hash:
94034e40dc0fcc9ad05fda4ab65de0a8f069788721dec47fabe84ac24be94ae9
MD5 hash:
6d337b75d1de3a730f7973ab246b4fec
SHA1 hash:
1a9d63c51f8e3169e5a1e0325802e31becf3c372
Link:
https://www.unpac.me/results/c6043d30-096c-456c-b5b1-8e9c25be03f5/
SH256 hash:
03c88e9e5911ea62332b5e92a475a8784c16371430b544c0d2ba817bbbe210a0
MD5 hash:
07acee9113733e50649a723a3b5f775c
SHA1 hash:
9931942a4e4db3e8f962e48c78864d4fe6082d23
Link:
https://www.unpac.me/results/c6043d30-096c-456c-b5b1-8e9c25be03f5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/03c88e9e5911ea62332b5e92a475a8784c16371430b544c0d2ba817bbbe210a0

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: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
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Create hunting rule
Author:Elastic Security

File information

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

Web download

AgentTesla

Executable exe 03c88e9e5911ea62332b5e92a475a8784c16371430b544c0d2ba817bbbe210a0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2451968/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/344946/

Comments