MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a0c131bfb6011c53eb965dea3ba42f710b6aa076c6bea7efe1e40c0fda74ad. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4a0c131bfb6011c53eb965dea3ba42f710b6aa076c6bea7efe1e40c0fda74ad
SHA3-384 hash: 9dfe47d85c8eba4057c70768dc64755b38f25f639c4a924e5d3ffc874974ea3a57b91374c94d5cd65aaa9e660951f4f4
SHA1 hash: 71f6fb04a7592e8157a49e0f2c6ecd64d504ba42
MD5 hash: 8322eb87ebdb798f2dfd2300e831b76b
humanhash: timing-cold-bluebird-vegan
File name:Fedex_Shipping_Notification_606350692146_Delivery.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:342'623 bytes
First seen:2023-02-07 17:12:13 UTC
Last seen:2023-02-07 18:40:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6H7KkSgiVUClRpsE0zlIEors2Np89PceEJKmkwhi+W8R4JH:/Yl7hNwUCV6zlIJrs289dEELwhinV
TLSH T10D742360A784F84BFCD242B71AB76768B9D3861C2075420B17149F9E362F2C5EB8F325
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 abuse_ch
Tags:AgentTesla exe FedEx Telegram

Intelligence

File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Fedex_Shipping_Notification_606350692146_Delivery.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 17:23:04 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/e8d917db-3dc9-4f7f-a63d-f7dead2c0eb1

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/361499/
Detection(s):
PUA.Win.Packer.NspackDotnetNor-2
Create hunting rule

PUA.Win.Packer.NspackDotnetNor-1
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
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/66161/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e2869f447edb203a031a2d/reports/3f29078b-bbb4-43ff-8296-09ee48d0d543/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a4a0c131bfb6011c53eb965dea3ba42f710b6aa076c6bea7efe1e40c0fda74ad
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4dd93973-4bd1-4ee5-9682-c1341caf771d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1167978
Signature
.NET source code contains very large array initializations
Detected unpacking (creates a PE file in dynamic memory)
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 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 Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800761 Sample: Fedex_Shipping_Notification... Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 5 other signatures 2->39 8 Fedex_Shipping_Notification_606350692146_Delivery.exe 19 2->8         started        11 dttarroojdbsts.exe 2->11         started        process3 file4 27 C:\Users\user\AppData\...\vbrtxjnatx.exe, PE32 8->27 dropped 13 vbrtxjnatx.exe 1 2 8->13         started        17 WerFault.exe 10 11->17         started        process5 file6 29 C:\Users\user\AppData\...\dttarroojdbsts.exe, PE32 13->29 dropped 51 Multi AV Scanner detection for dropped file 13->51 53 Detected unpacking (creates a PE file in dynamic memory) 13->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->55 57 2 other signatures 13->57 19 vbrtxjnatx.exe 15 3 13->19         started        23 dttarroojdbsts.exe 13->23         started        signatures7 process8 dnsIp9 31 api.telegram.org 149.154.167.220, 443, 49705 TELEGRAMRU United Kingdom 19->31 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->41 43 Tries to steal Mail credentials (via file / registry access) 19->43 45 Tries to harvest and steal ftp login credentials 19->45 49 2 other signatures 19->49 47 Multi AV Scanner detection for dropped file 23->47 25 WerFault.exe 4 10 23->25         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4a0c131bfb6011c53eb965dea3ba42f710b6aa076c6bea7efe1e40c0fda74ad/
Threat name:
Win32.Trojan.Garf
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 02:32:16 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 39 (51.28%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=usqmcmn7wyaryu7lszo6uo5ef5yqw2vao3dl5j7p4hsayd62oswq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230207-vreljsch29/
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
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5466358579:AAFHSCLt1chyZSTsCVrxZSdLSPQ_50Hs-ww/
Unpacked files
SH256 hash:
0bff261803983474607f809717583d7883a95bfb6d96e6047f2833bd36b9c04c
MD5 hash:
c6276f24239aaf71c0385eb81771acf4
SHA1 hash:
f3b74de12ac7d3e0c3e6572690b3239e07a6ef15
Link:
https://www.unpac.me/results/651b0d4b-8875-4a2b-b080-e2eadf548110/
SH256 hash:
8b9f92ad3d1e07d8ce97094d360585e78682249da8cbc2f36c75db46f3a5fa22
MD5 hash:
654a2bcb1254660e435d325e18677c65
SHA1 hash:
1ddfbb0f60892626b653dd1a0f8113490f621a7c
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/651b0d4b-8875-4a2b-b080-e2eadf548110/
Parent samples :
5e63926b7ce5fb0d4bc1363397c655d0c3b29114497308db183b124b048c033f
b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd
a4a0c131bfb6011c53eb965dea3ba42f710b6aa076c6bea7efe1e40c0fda74ad
SH256 hash:
1ae55b1e09377afd629b29717fcc1c9817d602c3d500dc02c1930dcae34b7d20
MD5 hash:
7582946ce85fed126905d0ff3abdc7ad
SHA1 hash:
be13903a73fa7235dc8986e05028a44cddc6e4ce
Link:
https://www.unpac.me/results/651b0d4b-8875-4a2b-b080-e2eadf548110/
SH256 hash:
a4a0c131bfb6011c53eb965dea3ba42f710b6aa076c6bea7efe1e40c0fda74ad
MD5 hash:
8322eb87ebdb798f2dfd2300e831b76b
SHA1 hash:
71f6fb04a7592e8157a49e0f2c6ecd64d504ba42
Link:
https://www.unpac.me/results/651b0d4b-8875-4a2b-b080-e2eadf548110/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4a0c131bfb6/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/a4a0c131bfb6011c53eb965dea3ba42f710b6aa076c6bea7efe1e40c0fda74ad

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Cape
Cape
https://www.capesandbox.com/analysis/361499/

Comments