MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a7b47cb19815654a494cf57cd5f786d4e93137ecfff90371e9546b248c8b635. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a7b47cb19815654a494cf57cd5f786d4e93137ecfff90371e9546b248c8b635
SHA3-384 hash: b08be32352adefded0b470ab7618b745aa945215f6857474a72fd80f0a96f646f660fc8ba62d76be63d2dd9504e08621
SHA1 hash: de7ebbab9589944f5c33af49d77a425e0dd90ef4
MD5 hash: d7c789b6a564b7fe87c35186d8b85d6a
humanhash: lemon-dakota-coffee-london
File name:boho.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:950'272 bytes
First seen:2021-08-04 06:17:11 UTC
Last seen:2021-08-04 13:03:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:RFRk+wr2zXU548ygUisevO5fWpMd/G3P3GX2ab4lzHmbB+jjqDkB7cpE/KFC+iTy:tusYTmEGdC6reiT4X8R
Threatray 7'777 similar samples on MalwareBazaar
TLSH T1ED15492439FA502AF173AFB94FE4B5EADA6FBA733707641910A103864723981DDC153E
dhash icon 1030e8aa96969686 (12 x AgentTesla, 4 x Formbook, 1 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
boho.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 06:18:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6fcede85-a03f-428e-8d62-49fe56dd4adf

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/176243/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.957.4504.20855.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing the hosts file
Result
Verdict:
UNKNOWN
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/bf505dc6-b9ff-405b-8ec5-6983691d6e89
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826660
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 459090 Sample: boho.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 36 priserveinfra.com 2->36 38 mail.priserveinfra.com 2->38 52 Found malware configuration 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected AgentTesla 2->56 58 3 other signatures 2->58 7 boho.exe 3 2->7         started        11 NXLun.exe 3 2->11         started        13 NXLun.exe 2 2->13         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\boho.exe.log, ASCII 7->34 dropped 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->62 15 boho.exe 2 5 7->15         started        64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 20 NXLun.exe 2 11->20         started        22 NXLun.exe 2 13->22         started        24 NXLun.exe 13->24         started        26 NXLun.exe 13->26         started        signatures6 process7 dnsIp8 40 priserveinfra.com 50.31.160.189, 49734, 49735, 587 SERVERCENTRALUS United States 15->40 42 mail.priserveinfra.com 15->42 28 C:\Users\user\AppData\Roaming\...28XLun.exe, PE32 15->28 dropped 30 C:\Users\user\...30XLun.exe:Zone.Identifier, ASCII 15->30 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 Tries to harvest and steal ftp login credentials 15->48 50 3 other signatures 15->50 32 C:\Windows\System32\drivers\etc\hosts, ASCII 22->32 dropped file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a7b47cb19815654a494cf57cd5f786d4e93137ecfff90371e9546b248c8b635/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 05:48:29 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dj5upsyzqflfjjeuz5l42x3ynvhjge36z77zany6svdlesgiwy2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
04826eeb4d21104190dfb002657c616a669577a5a5a16da88ff50402faafa25e
AgentTesla
2058a16dae0afbc5a8be6091073e6e56f95469be12da77ef04f40fdd9c522b75
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23e9628689de5cffc14abcc1d39a259f54bde8e50304af29d4e127359163e1c4
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512e2ffb2c0fea781781ac3c04ce0ec6395add6cdb80cb4a6fb88ded75f0154c
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5def20f9a9f1c413c8bc154ba4a53d7d9a6cfedf4a8a84a342354dab99b12e3f
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931a752444d02c98b75e8062756baa88f000d0ccd2cc05044280fb0e9ed7771d
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9423b7f41de10ed83754fae0f0915001144922c927f51c36b94036a707a09f31
AgentTesla
946d932af402b5296889f82c65c54a96617ac2bdc5f787ab81e2ab7077f418c9
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becde837b9887243bd5d1a46c2471375e67b983002da5c4d8b14e6fef4a26b60
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f7d8bb7108bdfc37cb94c9c04d73ba60d693f03411332ae31a7da4ad82e9a7ff
AgentTesla
+ 7'767 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/210804-kkl1w95yka/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/477fcb24-e2d6-454c-91b6-02ee1fa037fa/
SH256 hash:
f6ef0c322736c3b7c642a02aa15ad00bf0f692ba334a69384dfa303f856fa83b
MD5 hash:
c308ac15184917b5c72ae4649bf23513
SHA1 hash:
5f500cc74b27b791435a6c51261624a391e96a0e
Link:
https://www.unpac.me/results/477fcb24-e2d6-454c-91b6-02ee1fa037fa/
SH256 hash:
72a9b454ada95d3da9244cfc7994809b5fabf6ffc378f80a7f4011d8730f50a0
MD5 hash:
59409dc071a57924ebae7f4eae9b4ad8
SHA1 hash:
4815f46293dfc480b8dcc2512f2523ba8e9979bd
Link:
https://www.unpac.me/results/477fcb24-e2d6-454c-91b6-02ee1fa037fa/
SH256 hash:
1a7b47cb19815654a494cf57cd5f786d4e93137ecfff90371e9546b248c8b635
MD5 hash:
d7c789b6a564b7fe87c35186d8b85d6a
SHA1 hash:
de7ebbab9589944f5c33af49d77a425e0dd90ef4
Link:
https://www.unpac.me/results/477fcb24-e2d6-454c-91b6-02ee1fa037fa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1a7b47cb19815654a494cf57cd5f786d4e93137ecfff90371e9546b248c8b635

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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

Executable exe 1a7b47cb19815654a494cf57cd5f786d4e93137ecfff90371e9546b248c8b635

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176243/

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