MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef83b64eadee65667fc3c9e81cdc767e1655710cc0408147fc8e483b0653c31b. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef83b64eadee65667fc3c9e81cdc767e1655710cc0408147fc8e483b0653c31b
SHA3-384 hash: 143e8f60ca2f7004758082c1db706c0b5043cd05ee5cbea0195231d4cf481138dae83abec0c47587e89dcd14159a7600
SHA1 hash: a02d2295f7610533cceeef2a03d8afdec5684f5e
MD5 hash: 4a80db37a3b18d8f34aae0120a813325
humanhash: steak-golf-leopard-mirror
File name:Baybridge Commodities - New Purchase Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:234'496 bytes
First seen:2022-10-13 13:22:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:Pd5y1i+cIZQ80OE9cxzB2FP5EAblfv2KL8QR6ru5RjBOK2bIThw:Pd5Ci+cIWY5BYCGlWs4k2
Threatray 20'227 similar samples on MalwareBazaar
TLSH T1FA34F8607E052487E68F88F2398E41A6DA51B938F351AC0F63D1BD2DC56B6F04E5E1EC
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b2bec096ac968682 (15 x AgentTesla, 5 x Formbook, 3 x AveMariaRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe Pony

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319964/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/634811370d2bcf0ff9a2d6fc/reports/14bb0cc9-bcaa-400f-8a19-8eb65a77d8c7/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:
KeyBase
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/02f7b3d5-865b-4971-bae0-010836838b70
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1089877
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 722500 Sample: Baybridge Commodities - New... Startdate: 13/10/2022 Architecture: WINDOWS Score: 100 30 l-0003.l-dc-msedge.net 2->30 32 onedrive.live.com 2->32 34 5 other IPs or domains 2->34 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Yara detected AgentTesla 2->56 58 9 other signatures 2->58 8 Baybridge Commodities - New Purchase Order.exe 16 7 2->8         started        13 Hibmtxq.exe 14 2 2->13         started        15 Hibmtxq.exe 2 2->15         started        signatures3 process4 dnsIp5 36 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49711, 49715 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->36 38 104.17.208.102, 443, 49710, 49713 CLOUDFLARENETUS United States 8->38 44 4 other IPs or domains 8->44 24 C:\Users\user\AppData\Roaming\...\Hibmtxq.exe, PE32 8->24 dropped 26 C:\Users\user\...\Hibmtxq.exe:Zone.Identifier, ASCII 8->26 dropped 28 Baybridge Commodit...chase Order.exe.log, ASCII 8->28 dropped 60 Encrypted powershell cmdline option found 8->60 62 Writes to foreign memory regions 8->62 64 Injects a PE file into a foreign processes 8->64 17 MSBuild.exe 2 8->17         started        20 powershell.exe 16 8->20         started        40 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49716, 49721 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 13->40 42 onedrive.live.com 13->42 46 2 other IPs or domains 13->46 66 Machine Learning detection for dropped file 13->66 file6 signatures7 process8 signatures9 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->50 22 conhost.exe 20->22         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef83b64eadee65667fc3c9e81cdc767e1655710cc0408147fc8e483b0653c31b/
Threat name:
Win32.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 00:54:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
24 of 42 (57.14%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56b3mtvn5zswm76dzhubzxdwpylfk4imybaicr74rzedwbstymnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b646d54e95616324d7350ae0789de1e12e9f93ece6170d81462d608978d92af
AgentTesla
1c2a86f4af3edfb07a7930f58159eefe0adb058b60618a3277543ac212acea50
AgentTesla
285647238ecf7df3582c978614ae4247cc52deb26d672bbb452e4ea1ed233990
AgentTesla
2eb3b4bdae7871901750cb8d46e33cc73fcef43cf329a11c0103f5888a0e8668
AgentTesla
618fd616284d3fe84cff8f2fd38ee1c4cae578b619d70a59fc7d7b34f8eb6710
AgentTesla
6733107e98bb5962dd843ee407aaab8614487e6f56a5d23d47b00025bb3c253f
AgentTesla
8d157cb07773e9c5ae8ea36c32de3ffe7bd3d90ca0473be19a442dc2327c524c
AgentTesla
e01b95ec5682c6215ab8247fb0da97bcb564c3a7833553b53dcbd6434dda242c
AgentTesla
f4d615d355758ca68e3948655172d591d87a137671cb3c8cf0ebc367d1764494
AgentTesla
+ 20'217 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/221013-qmsv6afcfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5257540806:AAHfdEOucX0SGh3bzy9zivJOu6xbXCuqEE8/sendDocument
Unpacked files
SH256 hash:
ef83b64eadee65667fc3c9e81cdc767e1655710cc0408147fc8e483b0653c31b
MD5 hash:
4a80db37a3b18d8f34aae0120a813325
SHA1 hash:
a02d2295f7610533cceeef2a03d8afdec5684f5e
Link:
https://www.unpac.me/results/b7cc5287-f434-45df-8fa0-0a377298149e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/ef83b64eadee65667fc3c9e81cdc767e1655710cc0408147fc8e483b0653c31b

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:pe_imphash
Create hunting rule
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

Executable exe ef83b64eadee65667fc3c9e81cdc767e1655710cc0408147fc8e483b0653c31b

(this sample)

  
Dropped by
PONY
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/319964/

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