MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e8538df66efc0c110ba8bca5f3f6e02aefe24f80f622b97731f46f958803f86. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e8538df66efc0c110ba8bca5f3f6e02aefe24f80f622b97731f46f958803f86
SHA3-384 hash: 8c78a554560ba73add85d28716d6042aff3dcb1b2603fe7df5226f09770f0cfbe4b7dce042f32f83b558764c80c90611
SHA1 hash: a3f42a6f49f6219b3a5ba9e2f3ac3b80f7beee78
MD5 hash: d26c8282cb80ad25f07b769fb2152dff
humanhash: steak-uniform-high-potato
File name:d26c8282cb80ad25f07b769fb2152dff.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'011'712 bytes
First seen:2022-10-03 08:37:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2S/nb8oh1rgtC0DagQY+5pJIUkjErhAQOV3a810F9+OToal1K4HTN:38ekagU5I5iAQO1CJl
Threatray 1'538 similar samples on MalwareBazaar
TLSH T1C425CF2003E59B0AD0665374DDE2C3704FAB6E64E571C24B4FDDBCABB777296A600362
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon cc9eb286beb296cc (7 x Loki, 6 x SnakeKeylogger, 5 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316033/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.44474.28925.9651.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/633a9f6cc9e2f34354326035/reports/54523082-4572-4737-99cb-74f4ddeee321/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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2f272d3b-af38-4620-b57d-d55350e3c279
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1082272
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 714829 Sample: 6R4THMF3ds.exe Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 6 other signatures 2->66 7 6R4THMF3ds.exe 7 2->7         started        11 hZpzJs.exe 5 2->11         started        13 hZpzJs.exe 2 2->13         started        process3 file4 38 C:\Users\user\AppData\...\JeHBvjHuYEfr.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp8ACF.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\6R4THMF3ds.exe.log, ASCII 7->42 dropped 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 7->72 74 Adds a directory exclusion to Windows Defender 7->74 15 6R4THMF3ds.exe 17 5 7->15         started        20 powershell.exe 19 7->20         started        22 schtasks.exe 1 7->22         started        24 hZpzJs.exe 11->24         started        26 schtasks.exe 11->26         started        signatures5 process6 dnsIp7 44 192.3.223.202, 21, 49715, 49716 AS-COLOCROSSINGUS United States 15->44 34 C:\Users\user\AppData\Roaming\...\hZpzJs.exe, PE32 15->34 dropped 36 C:\Users\user\...\hZpzJs.exe:Zone.Identifier, ASCII 15->36 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Moves itself to temp directory 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        46 192.168.2.1 unknown unknown 24->46 56 Tries to harvest and steal ftp login credentials 24->56 58 Tries to harvest and steal browser information (history, passwords, etc) 24->58 32 conhost.exe 26->32         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e8538df66efc0c110ba8bca5f3f6e02aefe24f80f622b97731f46f958803f86/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-10-03 02:10:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 41 (41.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h2ctrx3g57amcef2rpff6p3oakxp4jhyb5rcxf3td5dpsweah6da._file
Verdict:
malicious
Similar samples:
006248ca6292f9ca72274fc84e5cea8fc72aa2df7079e849835c232bea1b1c47
AgentTesla
2107eeec59919ea8ec495701134e942d7f88d19de70b97016f1df74b16c8c90d
AgentTesla
4c743eaedbc97613e8759c49e069f872bc786187cb2975a9564ab0aec2cd2205
AgentTesla
61ceb9bb8363e17528ed811b0886a9aa174f5b26fe8e20cf9393d4d2d9df8041
AgentTesla
6ac2c5094ab610f7fb38129fb5bc1e66e38ed0144cc19bd0dd85c4bb582a1d19
AgentTesla
73de38a06d84d51fd173c71af2ef473703a3cfe94792a4e3bc383c528b7b3192
AgentTesla
76e4e5a30868f044e472e3151bf5995cb972d9da5f510819c5f48a985c9b85bc
AgentTesla
cb2a2ca9c34ed19856b974b65ad163f37e49ab1cbe1471a5eec1db18a6b9c722
AgentTesla
f814f4fe8d450dc8cfc62cde57a5e4a2e72bb758f1c2d71f8483ab20315a571b
AgentTesla
+ 1'528 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/221003-kjqczafdf6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6769f19c-e021-4352-ba62-3a864b63a65b
Unpacked files
SH256 hash:
7f399de4ba93507ef3b68f2a74d22f2eb7a19618ce64f358842a08e801a377fa
MD5 hash:
de33d147f81dc19bcd0930e63920d5d7
SHA1 hash:
de668a5c2541a20e105c06e23e459166da63ff84
Link:
https://www.unpac.me/results/14356e81-055b-4162-a771-35ccbf1d78c6/
SH256 hash:
a04c799fa302c78d04acc3b4be8ccbde2f7fa00fe515daf18a2fc7e65fad3b13
MD5 hash:
d76812ec4cbc45e1e26ed36691596f7e
SHA1 hash:
c854fe9792694fb464a0bed51c737ff61ccef736
Link:
https://www.unpac.me/results/14356e81-055b-4162-a771-35ccbf1d78c6/
SH256 hash:
64cf6992f8bb04a5dc24cb98e6cdbb09db2ab78fa209351a9de4b97fe85266db
MD5 hash:
43803fd647b49e0426ee57f9ae6e43d0
SHA1 hash:
bcc85532fa116dba49d51027e6712009bfeb78c5
Link:
https://www.unpac.me/results/14356e81-055b-4162-a771-35ccbf1d78c6/
SH256 hash:
48ccbdf7505fa02e0342cc13e6c486a85b5ecb341076cce5517d298eb74b28c5
MD5 hash:
3c49435030d08724263a71a9443471ec
SHA1 hash:
a7234cbe305fce2670c0065ab0d15c087d9c9a5f
Link:
https://www.unpac.me/results/14356e81-055b-4162-a771-35ccbf1d78c6/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/14356e81-055b-4162-a771-35ccbf1d78c6/
SH256 hash:
3e8538df66efc0c110ba8bca5f3f6e02aefe24f80f622b97731f46f958803f86
MD5 hash:
d26c8282cb80ad25f07b769fb2152dff
SHA1 hash:
a3f42a6f49f6219b3a5ba9e2f3ac3b80f7beee78
Link:
https://www.unpac.me/results/14356e81-055b-4162-a771-35ccbf1d78c6/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3e8538df66ef/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/3e8538df66efc0c110ba8bca5f3f6e02aefe24f80f622b97731f46f958803f86

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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.

Web download

AgentTesla

Executable exe 3e8538df66efc0c110ba8bca5f3f6e02aefe24f80f622b97731f46f958803f86

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2322908/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/316033/

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