MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66fcc078741968b04e45e850256bcf6f64506fd143a5b9ebf31b5244d423e277. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66fcc078741968b04e45e850256bcf6f64506fd143a5b9ebf31b5244d423e277
SHA3-384 hash: 150160e5a652369ee95751bc0a5927c6c3a88191328d81686cc295b0a10bf7ef178d9c1cd090ba11ef847998623ced79
SHA1 hash: acbc3142cac50ab28474f5c8945585e2c07ba81d
MD5 hash: 83027ceebd07df0f927f780be4dbc729
humanhash: nebraska-high-emma-nineteen
File name:purchase order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:977'920 bytes
First seen:2023-02-10 19:05:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:4p1/YGDkjwJsoGlWM9STNNS/GoqMUwwhvgoK3:4ptY5UsoGlxZ/GotU/v
Threatray 22'434 similar samples on MalwareBazaar
TLSH T163256D013AF6C863F04A0E7460183DCC3A3CE0479BDE419FE972A96497E6766F9D8D61
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase order.exe
Verdict:
Malicious activity
Analysis date:
2023-02-10 19:07:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cd52eec7-2808-4137-b77f-8276ee61605e

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/363511/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e69562c7ca3840b5a1d2cc/reports/d3655bb8-a624-44d8-8044-2c41fb30fe25/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/66fcc078741968b04e45e850256bcf6f64506fd143a5b9ebf31b5244d423e277
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/6f3fdff4-170b-4aaf-94db-6dff7b5911f7
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1171433
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 804220 Sample: purchase order.exe Startdate: 10/02/2023 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Sigma detected: Scheduled temp file as task from temp location 2->76 78 13 other signatures 2->78 7 purchase order.exe 7 2->7         started        11 hUkqfyOvIRph.exe 5 2->11         started        13 DfdZo.exe 2->13         started        15 DfdZo.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\hUkqfyOvIRph.exe, PE32 7->52 dropped 54 C:\Users\...\hUkqfyOvIRph.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp3DEC.tmp, XML 7->56 dropped 58 C:\Users\user\...\purchase order.exe.log, ASCII 7->58 dropped 88 Adds a directory exclusion to Windows Defender 7->88 90 Injects a PE file into a foreign processes 7->90 17 purchase order.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 powershell.exe 21 7->24         started        26 schtasks.exe 1 7->26         started        92 Multi AV Scanner detection for dropped file 11->92 94 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->94 96 May check the online IP address of the machine 11->96 28 hUkqfyOvIRph.exe 11->28         started        30 schtasks.exe 11->30         started        32 hUkqfyOvIRph.exe 11->32         started        98 Machine Learning detection for dropped file 13->98 100 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->100 34 DfdZo.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 60 api4.ipify.org 64.185.227.155, 443, 49698, 49713 WEBNXUS United States 17->60 62 api.telegram.org 149.154.167.220, 443, 49699, 49700 TELEGRAMRU United Kingdom 17->62 70 2 other IPs or domains 17->70 48 C:\Users\user\AppData\Roaming\...\DfdZo.exe, PE32 17->48 dropped 50 C:\Users\user\...\DfdZo.exe:Zone.Identifier, ASCII 17->50 dropped 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->80 82 Tries to steal Mail credentials (via file / registry access) 17->82 84 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->84 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        64 104.237.62.211, 443, 49710 WEBNXUS United States 28->64 66 api.ipify.org 28->66 44 conhost.exe 30->44         started        68 api.ipify.org 34->68 86 Tries to harvest and steal browser information (history, passwords, etc) 34->86 46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66fcc078741968b04e45e850256bcf6f64506fd143a5b9ebf31b5244d423e277/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-02-08 02:05:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m36ma6dudfulatsf5bick26pn5sfa36rios3t27tdnjejvbd4j3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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08f2d92fadadcf9ae31ea64ca5ced09e510875ce05a1fcfa93ee299a5eaf70ba
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5d2e8a87688e3f312d3df9f4fab26b5646e9837704f816f2271e7d28e4f3d412
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c4627a340cb50a745848ed37624549b2547aaccfd9c5ee0bd279a0f5552de432
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c5b6ea68053365671ff834b433e8a428e038f862cf3b71cb80b3e7ec230f9651
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f14871b3c4416a897aa8526ec0d5cf04f2b5fec3d2f11f46d76f7705295b45e5
AgentTesla
+ 22'424 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/230210-xrhpbagc44/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
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/bot5615947415:AAHTRsWQ236jQ31p3gNngAMLROoKsqd6tPs/
Unpacked files
SH256 hash:
292cb52b68f037f5b733cb202d733f5865458656ec79084b36d62ea4abb3042c
MD5 hash:
4adfd99cbffdcd9eee35748cd8209dcb
SHA1 hash:
a4add7937ec24261f7161aa6d170536bd35a8917
Link:
https://www.unpac.me/results/29b48148-44fe-4ad9-878b-a429b8a49b64/
SH256 hash:
6d454cd5f7ec5b21768d5bba3111c7682a966f57e88b0481f55b829c312d4f12
MD5 hash:
e59d8cf215615f871428a428764d4acd
SHA1 hash:
7703fcd53ffe36977c87f5afb33f64013a67f9dd
Link:
https://www.unpac.me/results/29b48148-44fe-4ad9-878b-a429b8a49b64/
SH256 hash:
ab5c39d1c1653c25e99bce95554a600653fa8211be4bd4cd271b31b509353415
MD5 hash:
2dcf8998efcad3fa4ea742d7bfc57a9f
SHA1 hash:
73240807b0fa211e92a8efe2b0ebe063a0575b11
Link:
https://www.unpac.me/results/29b48148-44fe-4ad9-878b-a429b8a49b64/
SH256 hash:
e386840537170219177c2bb3404f4c7bd9da1a2d53cdf2ae1e857c3b19628a29
MD5 hash:
d170ab8c03b9c37d5be449454db131d2
SHA1 hash:
2031b6754a65d21b47dd11a34fee86f048d6048d
Link:
https://www.unpac.me/results/29b48148-44fe-4ad9-878b-a429b8a49b64/
SH256 hash:
172a2d596c96853df66c61cb5e8e543d71d1998c881e463104b5ebab72ad5975
MD5 hash:
97c3ced74a7ccfd48137cc83fc73148a
SHA1 hash:
1c3c75ec89a6ec2627ead8ebf79b0e6c109ec094
Link:
https://www.unpac.me/results/29b48148-44fe-4ad9-878b-a429b8a49b64/
SH256 hash:
66fcc078741968b04e45e850256bcf6f64506fd143a5b9ebf31b5244d423e277
MD5 hash:
83027ceebd07df0f927f780be4dbc729
SHA1 hash:
acbc3142cac50ab28474f5c8945585e2c07ba81d
Link:
https://www.unpac.me/results/29b48148-44fe-4ad9-878b-a429b8a49b64/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/66fcc078741968b04e45e850256bcf6f64506fd143a5b9ebf31b5244d423e277

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 66fcc078741968b04e45e850256bcf6f64506fd143a5b9ebf31b5244d423e277

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/363511/

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