MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b457e5f6faf9eb8c70d0350ff57869f011cd1c4abdf6db5d6335797e33ae7d10. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b457e5f6faf9eb8c70d0350ff57869f011cd1c4abdf6db5d6335797e33ae7d10
SHA3-384 hash: 8dc2b8022f9b068b67b45d902f21e6d2e8006ba2b838b517fb05896b3826629d4f1faebbedf82db04c24c1cd06d9b146
SHA1 hash: c2f5b68e211782e68941a74619547137361203d3
MD5 hash: a118146135570c780e1102afd3b5b135
humanhash: mountain-missouri-five-october
File name:UGOFILE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:751'616 bytes
First seen:2020-12-04 15:00:06 UTC
Last seen:2020-12-04 17:09:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:K4WrwK/vjFSFH4BpKQjaEA5nCW9rPL887XlA6K5p5YPa7XwRX7E8CmDQcurfK69:a0K/vpyYBoxFCWF88BA6A5YXRX7Ejm0J
Threatray 1'681 similar samples on MalwareBazaar
TLSH 91F4F13035697E95DB3A4AB2143111A84F35761BDB3CC69D3CC6598E14EB702AF01BBB
Reporter JAMESWT_WT
Tags:AgentTesla VelvetSweatshop

Intelligence

File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UGOFILE.exe
Verdict:
Malicious activity
Analysis date:
2020-12-04 23:34:25 UTC
Tags:
rat agenttesla trojan
Link:
https://app.any.run/tasks/c0bb7af9-30b6-45a3-ad01-b71778b8579f

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/106772/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.6050.10168.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
Enabling autorun by creating a file
Result
Verdict:
SUSPICIOUS
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/555750
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
May check the online IP address of the machine
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)
Sigma detected: Scheduled temp file as task from temp location
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)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 326976 Sample: UGOFILE.exe Startdate: 04/12/2020 Architecture: WINDOWS Score: 100 67 g.msn.com 2->67 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Found malware configuration 2->83 85 Multi AV Scanner detection for dropped file 2->85 87 7 other signatures 2->87 8 UGOFILE.exe 6 2->8         started        12 kprUEGC.exe 5 2->12         started        14 kprUEGC.exe 2->14         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\xiEmXXcoxNzWt.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmpCFD5.tmp, XML 8->49 dropped 51 C:\Users\user\AppData\...\UGOFILE.exe.log, ASCII 8->51 dropped 89 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->89 91 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->91 16 UGOFILE.exe 17 5 8->16         started        21 schtasks.exe 1 8->21         started        93 Multi AV Scanner detection for dropped file 12->93 95 Injects a PE file into a foreign processes 12->95 23 kprUEGC.exe 14 2 12->23         started        25 schtasks.exe 1 12->25         started        27 kprUEGC.exe 14->27         started        29 schtasks.exe 14->29         started        31 kprUEGC.exe 14->31         started        33 kprUEGC.exe 14->33         started        signatures6 process7 dnsIp8 53 smtp.ritac-eg.com 16->53 55 us2.smtp.mailhostbox.com 208.91.199.224, 49743, 49748, 49749 PUBLIC-DOMAIN-REGISTRYUS United States 16->55 63 3 other IPs or domains 16->63 41 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 16->41 dropped 43 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 16->43 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->69 71 Tries to steal Mail credentials (via file access) 16->71 73 Modifies the hosts file 16->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->75 35 conhost.exe 21->35         started        57 smtp.ritac-eg.com 23->57 65 2 other IPs or domains 23->65 37 conhost.exe 25->37         started        59 smtp.ritac-eg.com 27->59 61 192.168.2.1 unknown unknown 27->61 45 C:\Windows\System32\drivers\etc\hosts, ASCII 27->45 dropped 77 Tries to harvest and steal ftp login credentials 27->77 79 Tries to harvest and steal browser information (history, passwords, etc) 27->79 39 conhost.exe 29->39         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b457e5f6faf9eb8c70d0350ff57869f011cd1c4abdf6db5d6335797e33ae7d10/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-04 15:00:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrl6l5x27hvyy4gqguh7k6dj6ai42hckxx3nwxldgv4x4m5opuia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
11984c9c8d7bfe34b27fd41ea7f08f7b97923a8c4cf0316138d34bd90cb1a38a
AgentTesla
294d3baa6d4e6b9d6e55fd9c67072d0d27f3786a4abb6b27c32fa977778fd94e
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2f37815267df31fe2fb1cbfd752e38937c14fc8003ab53d0456b465e70735fa0
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55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15
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733791b9f0a883fccd3d16935d700144bdfb9e5b8ca2ee4a095fa30ce9c301e5
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74f16990678a13af89f7ead2e4d719e2383f933996d7ef4a2f6fafbce0f888d4
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b6247c787ec362f884203a581049a638a59a9db8dc6bac8cb88869a45704dfc9
AgentTesla
c0b7a61af074ad5fc632939be669c133ba351162d40b97db686253ce43dbd8ca
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fa816fa2565bb49b65dbb51bb3a70f87b82437e19c0e7680a6a112fe177f880b
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fdac92b0fe7d038bfdfa12127cae944e95dff1ef54684923785701d9e92dfaf4
AgentTesla
+ 1'671 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/201204-wpvrxyx61e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
b457e5f6faf9eb8c70d0350ff57869f011cd1c4abdf6db5d6335797e33ae7d10
MD5 hash:
a118146135570c780e1102afd3b5b135
SHA1 hash:
c2f5b68e211782e68941a74619547137361203d3
Link:
https://www.unpac.me/results/8d086e35-3821-45cb-891d-759951cb250e/
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
Link:
https://www.unpac.me/results/8d086e35-3821-45cb-891d-759951cb250e/
SH256 hash:
4575cb072f9f9a57020aa9b573e36bbdef73399cf5cd6bee848bba697b1c1876
MD5 hash:
30a30e46c5f2123e2582557f224b4335
SHA1 hash:
49bde7825ce8833bacd7b22709e18e314bf128df
Link:
https://www.unpac.me/results/8d086e35-3821-45cb-891d-759951cb250e/
SH256 hash:
dfdc594ee73fe810c49a89ccb72fb9b37c983bbd109ac7dc751dd35d88c753ce
MD5 hash:
79b3e2738e75f3acfe34dd9960e6f319
SHA1 hash:
9836cd6f1a121c59116b3bf6706da53174e41bb0
Link:
https://www.unpac.me/results/8d086e35-3821-45cb-891d-759951cb250e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b457e5f6faf9eb8c70d0350ff57869f011cd1c4abdf6db5d6335797e33ae7d10

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: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.

Web download

AgentTesla

Executable exe b457e5f6faf9eb8c70d0350ff57869f011cd1c4abdf6db5d6335797e33ae7d10

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/106772/
  
URLhaus
https://urlhaus.abuse.ch/url/888918/
  
Delivery method
Distributed via web download

Comments