MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bd3e79c27a89a3876bf4ad72bd24ae1be20265b37bb99a37ee964bf7bacaa66. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bd3e79c27a89a3876bf4ad72bd24ae1be20265b37bb99a37ee964bf7bacaa66
SHA3-384 hash: 2fca71615b8c9b5fb050464d85843496824dfef51b236913c6d84dd0d9dafea48ab55bc42e17fdb8c0fc858872b3aa32
SHA1 hash: 849c88153910be355db699280749096229583cfd
MD5 hash: 5166de10a38b715daec263f172419170
humanhash: autumn-apart-golf-grey
File name:BANK DETAILS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:536'576 bytes
First seen:2021-06-10 05:39:43 UTC
Last seen:2021-06-11 09:42:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:f970z2V7e0C7m9yx821UymBu3q3s8brmFfWw9Togj0QSGfzud0FGeoc/YZJzVmZZ:Gz7Myx+U3MxjwqtdGbkTeNYZxKUu
Threatray 5'742 similar samples on MalwareBazaar
TLSH 29B4AE1136F9AF62E57A5BF01970918447FAB52A292DE15C4CC662DF1AF2F008DE0F27
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BANK DETAILS.exe
Verdict:
Malicious activity
Analysis date:
2021-06-10 09:16:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0fef7c15-e287-42f1-b10b-3144e87bfc5c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/165745/
Detection(s):
SecuriteInfo.com.Trojan.Siggen13.54765.5966.4682.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/799967
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 432362 Sample: BANK DETAILS.exe Startdate: 10/06/2021 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 14 other signatures 2->59 7 BANK DETAILS.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 4 2->13         started        process3 file4 37 C:\Users\user\AppData\...\InGxzLruABZkY.exe, PE32 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpDB5A.tmp, XML 7->39 dropped 41 C:\Users\user\...\BANK DETAILS.exe.log, ASCII 7->41 dropped 61 Injects a PE file into a foreign processes 7->61 15 BANK DETAILS.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 21 schtasks.exe 1 11->21         started        23 kprUEGC.exe 11->23         started        25 kprUEGC.exe 11->25         started        27 schtasks.exe 13->27         started        29 kprUEGC.exe 13->29         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->43 dropped 45 C:\Windows\System32\drivers\etc\hosts, ASCII 15->45 dropped 47 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->47 dropped 49 Modifies the hosts file 15->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->51 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 27->35         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8bd3e79c27a89a3876bf4ad72bd24ae1be20265b37bb99a37ee964bf7bacaa66/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-10 05:01:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
22 of 46 (47.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rpj6phbhvcndq5v7jllsxusk4g7cajs3g65zti365fsl665mvjta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
05bdb815046e31699e7e357aa4333d07ea97456fd8752f550ffcf46e12a07ae5
AgentTesla
0a1e668f56dc34760326f1f30dff5d370116d15298887fbf69cb6c676f45af3a
AgentTesla
4c586af41cccc35228e2e1d972baa8fa4109e698577cb48302b218c0b64be21f
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602b9e5b584b67abd5573952c8633272e414dd6cde6485b9722cf780d809297a
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736b41f1a5e0f7767878b4ac85e9b967290e9f186d5b6062e32b94364c944f15
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7440e4385f9aa92d73bd8b20d8ebf5f79f3f53e3178ff894ed79111b91aa665c
AgentTesla
7a8f3ee787e2954f90419c96cb23fba73c3fddbf980fb4fc4bf239a17244fbe7
AgentTesla
87f32b29a629a3bf5d0ec129f3daf65ce665c816353b41492ef0ca56fd165ce1
AgentTesla
a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268
AgentTesla
bc59278c40a5a43033d588ec2f253124d663adc91459063300f306b64f49800b
AgentTesla
+ 5'732 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210610-xkl5alnkh2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b04bb6ce72fdd67eefd914537a17ba6fa9e14ecd20463dc9fd0a4d1159831c7f
MD5 hash:
c6a5f01961c617d48984692d3a9d06b2
SHA1 hash:
8c32c28017440cec263f6dda36bbf440a13608f6
Link:
https://www.unpac.me/results/656fe44d-6029-4e48-9854-104754019c79/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/656fe44d-6029-4e48-9854-104754019c79/
SH256 hash:
7cb591c458423f2aa6bd7dc9db58c9f3eaa0e42276ec6975db63f0426fef44a8
MD5 hash:
14019ba6ffc33a0ce43219b995a529f0
SHA1 hash:
4babfd9017b49d8b764e503f70007b10ea5f1fe5
Link:
https://www.unpac.me/results/656fe44d-6029-4e48-9854-104754019c79/
SH256 hash:
8bd3e79c27a89a3876bf4ad72bd24ae1be20265b37bb99a37ee964bf7bacaa66
MD5 hash:
5166de10a38b715daec263f172419170
SHA1 hash:
849c88153910be355db699280749096229583cfd
Link:
https://www.unpac.me/results/656fe44d-6029-4e48-9854-104754019c79/
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/8bd3e79c27a89a3876bf4ad72bd24ae1be20265b37bb99a37ee964bf7bacaa66

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
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

zip af275a56902333d452e5851bdbbf6423d367f8cf1fbb454cf7b6bee5dd48b707

AgentTesla

Executable exe 8bd3e79c27a89a3876bf4ad72bd24ae1be20265b37bb99a37ee964bf7bacaa66

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 af275a56902333d452e5851bdbbf6423d367f8cf1fbb454cf7b6bee5dd48b707
Cape
Cape
https://www.capesandbox.com/analysis/165745/

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