MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 238ef35a86acefa9f6c65f57ddac35e0cb30af3258e60fbf2c4913e2d15bed9e. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: 238ef35a86acefa9f6c65f57ddac35e0cb30af3258e60fbf2c4913e2d15bed9e
SHA3-384 hash: 9c7e3cafb5f8e034d5d540c99a8e6ea8a290da8a906dada32e1ced4cfc49464e0e3501f1540f1cd241268ca454323698
SHA1 hash: d49a74b0c55411ee028e806bb56cc23480c6daad
MD5 hash: 83b576bdeabbf75d545c1de8a4e10d71
humanhash: item-nineteen-item-july
File name:RFQ#1672100.exe
Download: download sample
Signature AgentTesla
File size:591'872 bytes
First seen:2021-10-13 12:18:46 UTC
Last seen:2021-10-13 13:59:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:17HLdPKQeXidOuD95180EQyCF5ReoRkck8mcKR8tJtW945/DYWcW5XLdekiMkhBK:1HUrilTufoF2oRkNLcKRA/qW577SB
Threatray 11'674 similar samples on MalwareBazaar
TLSH T123C4DFC1ABB6DF36DB745A3F86207A340F3E2E9682B2B95C354871992DB9F418100797
File icon (PE):PE icon
dhash icon 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ#1672100.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-13 22:00:31 UTC
Tags:
keylogger stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped 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 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 access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 502020 Sample: RFQ#1672100.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 32 Yara detected AgentTesla 2->32 34 Yara detected AntiVM3 2->34 36 .NET source code contains potential unpacker 2->36 38 2 other signatures 2->38 6 RFQ#1672100.exe 6 2->6         started        9 newapp.exe 3 2->9         started        11 newapp.exe 2 2->11         started        process3 signatures4 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->42 13 RFQ#1672100.exe 17 9 6->13         started        18 RFQ#1672100.exe 6->18         started        44 Multi AV Scanner detection for dropped file 9->44 46 Injects a PE file into a foreign processes 9->46 20 newapp.exe 2 9->20         started        22 newapp.exe 2 11->22         started        24 newapp.exe 11->24         started        process5 dnsIp6 30 ftp.omindexgroup.com 192.119.9.178, 21, 49837 24SHELLSUS United States 13->30 26 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 13->26 dropped 28 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 13->28 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->48 50 Tries to steal Mail credentials (via file access) 13->50 52 Tries to harvest and steal ftp login credentials 13->52 54 3 other signatures 13->54 file7 signatures8
Threat name:
ByteCode-MSIL.Trojan.Ursu
Status:
Malicious
First seen:
2021-10-13 12:19:04 UTC
AV detection:
9 of 33 (27.27%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f44a5cac56474b738cfa9d6182233916ea6cba252db1139e1736d239c900a4c6
MD5 hash:
d641d879da7c123b8fa2465ccfa9b736
SHA1 hash:
d37815d26ea1d72c355169ec2a6334c83f17b42d
SH256 hash:
5be0a1c934ba071a5a43fe5067cc9223568a55f96b43c365080f7e51f304b886
MD5 hash:
df21d4574f2d36730b841592e27ee8c1
SHA1 hash:
ac8f7258c02217e3eda3534f889e782e57f6453f
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
SH256 hash:
238ef35a86acefa9f6c65f57ddac35e0cb30af3258e60fbf2c4913e2d15bed9e
MD5 hash:
83b576bdeabbf75d545c1de8a4e10d71
SHA1 hash:
d49a74b0c55411ee028e806bb56cc23480c6daad
Malware family:
Agent Tesla v3
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 238ef35a86acefa9f6c65f57ddac35e0cb30af3258e60fbf2c4913e2d15bed9e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments