MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bb887edcf47e357508480892ce596926afd345fb04de8543ae20e9348e87983. 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 4 File information Comments

SHA256 hash: 8bb887edcf47e357508480892ce596926afd345fb04de8543ae20e9348e87983
SHA3-384 hash: 1bda353a7340c0a180d02e20638c0227f5fc29abb89286c3d8aaefe69d54bcbc43a531790b6713ef8eea8510819bd98d
SHA1 hash: df70a5568f9f1d2697be162261c6664566a93ae5
MD5 hash: a00027f84cb7990dc192384cd71fe032
humanhash: ink-bacon-rugby-carbon
File name:Swift MT103 jpg.exe
Download: download sample
Signature AgentTesla
File size:272'343 bytes
First seen:2023-02-01 17:53:06 UTC
Last seen:2023-02-01 19:29:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6i9/WTPJ4n/rfB1ewt8ikb02oWPm/tH6uxRwlr60hKL:vYs9/WTPJ4/rfB1ewtK4vSiHjxRwlrro
TLSH T18144121822D4C46BF8A357324F3E5B16BEFAE5192CC5060713515F6DBDF26825A0E3A3
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 :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift MT103 jpg.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 17:53:41 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
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Sending an HTTP GET 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
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 (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)
Installs a global keyboard hook
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:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-24 04:06:42 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
27 of 39 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection spyware stealer
Behaviour
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
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
Unpacked files
SH256 hash:
bc3bca932a25560bad07745f5a506d10a3c44e5cea59c9cf93f92a75ad506a7a
MD5 hash:
ba5ca5f354552dca47ca8ec309945a89
SHA1 hash:
ef65843297c312e79a2298d433d57a380d977fc7
SH256 hash:
ba6136414812031ffabfa95fc3494cb224e29d7d7090f4dc79bd75d9f7646411
MD5 hash:
cd9825578ade128573d70a6ddaecc129
SHA1 hash:
52d58066ca39fc1fff02b0fd095083910e4f2f96
SH256 hash:
17e24b330e9b9400a5d8afcb8f18bcd38560cf9c1a7992cf0bf45fe043b7dbdc
MD5 hash:
8c11a013e4ccfb989c87087efb1dd3c5
SHA1 hash:
9f29b70a2551a3f2ddb0bd72b9bb17658613c8a8
SH256 hash:
8bb887edcf47e357508480892ce596926afd345fb04de8543ae20e9348e87983
MD5 hash:
a00027f84cb7990dc192384cd71fe032
SHA1 hash:
df70a5568f9f1d2697be162261c6664566a93ae5
Malware family:
AgentTesla
Verdict:
Malicious
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.

Malspam

AgentTesla

Executable exe 8bb887edcf47e357508480892ce596926afd345fb04de8543ae20e9348e87983

(this sample)

  
Delivery method
Distributed via e-mail attachment

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