MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 165a4a13cc076a6cf2a41f4b6bb1d2336033d9976d0abb8f02e941eb64a6f963. 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 4 File information Comments

SHA256 hash: 165a4a13cc076a6cf2a41f4b6bb1d2336033d9976d0abb8f02e941eb64a6f963
SHA3-384 hash: dbdb10dd678fb4f2a4bc112632f9bf9808d281462e391a6af642ce7eb8b99cef823a0815e86ff572c99bcabd3ee9977f
SHA1 hash: b7e828fbacaeac01a5f88e742c556e10cba0d3f9
MD5 hash: 4fd2e815818ca5027b1ddd9e61ac1ed9
humanhash: table-echo-foxtrot-bluebird
File name:Shipping Documents.exe
Download: download sample
Signature AgentTesla
File size:296'421 bytes
First seen:2023-02-21 12:52:35 UTC
Last seen:2023-02-21 14:36:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6Mx0qt18IpwQLAeZcdgHA9ximWARdXRhoPz/bZVY+vImcfwd9L32S:vYCvtfpwQzcEA9xoARdBmz/rp9r9
Threatray 631 similar samples on MalwareBazaar
TLSH T1E45412A03772C4A7E9F207311D3A1936ADBBDD77849C474B034056197E22693CA1E3DB
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 JAMESWT_WT
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
220
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-02-21 12:53:15 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 812572 Sample: Shipping Documents.exe Startdate: 21/02/2023 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 Executable has a suspicious name (potential lure to open the executable) 2->55 57 2 other signatures 2->57 7 Shipping Documents.exe 19 2->7         started        10 nwwrbbwgp.exe 1 2->10         started        13 nwwrbbwgp.exe 1 2->13         started        process3 file4 33 C:\Users\user\AppData\Local\...\aiezjcr.exe, PE32 7->33 dropped 15 aiezjcr.exe 1 3 7->15         started        59 Multi AV Scanner detection for dropped file 10->59 19 WerFault.exe 4 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10 13->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 35 C:\Users\user\AppData\...\nwwrbbwgp.exe, PE32 15->35 dropped 43 Multi AV Scanner detection for dropped file 15->43 45 Detected unpacking (changes PE section rights) 15->45 47 Detected unpacking (creates a PE file in dynamic memory) 15->47 49 6 other signatures 15->49 27 aiezjcr.exe 15 2 15->27         started        31 conhost.exe 15->31         started        signatures8 process9 dnsIp10 37 mail.vulcano-group.com 27->37 39 api4.ipify.org 64.185.227.155, 443, 49695 WEBNXUS United States 27->39 41 2 other IPs or domains 27->41 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->61 63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Tries to harvest and steal browser information (history, passwords, etc) 27->65 signatures11
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-21 12:08:28 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
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
Looks up external IP address via web service
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:
173e2937f51a8970cb57a163b65c1e4b01316e9f706da726294112b1ffaba2c5
MD5 hash:
3a20dfb9fd290866f2744ce646423dfb
SHA1 hash:
c52ce6c8eda01431883ff7d3facbd7f3ff265ab3
SH256 hash:
01964d36bc0cc5ece1b34948bcfc55ca692f10f756fa45d549da872eccda379a
MD5 hash:
4ac759f1dbce5c0863e3e56d627aeef4
SHA1 hash:
48d6ea9cd7d1ba3a875d755f46b23470a4873612
SH256 hash:
7355617926b3af6ed6c69f16d8efc441a0ca942086684e33770f7e6f85d47886
MD5 hash:
86db260d8bbf9297d4f498e9daab0ab3
SHA1 hash:
ae5b90d46e000bab10e65262536f857740175bf1
SH256 hash:
165a4a13cc076a6cf2a41f4b6bb1d2336033d9976d0abb8f02e941eb64a6f963
MD5 hash:
4fd2e815818ca5027b1ddd9e61ac1ed9
SHA1 hash:
b7e828fbacaeac01a5f88e742c556e10cba0d3f9
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments