MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1e42867b1ed999743606d2a5c887b8aab7c1677402a60a6b3eff712f7ea46c7. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1e42867b1ed999743606d2a5c887b8aab7c1677402a60a6b3eff712f7ea46c7
SHA3-384 hash: c3cd595772bf15b73092722f87b54cfed86a48fb8e33e374290349d546562d88e9195862720407cc37b7436d306d8ca2
SHA1 hash: bd2c2330988043bc04b792427d595a1e1aa6ac5b
MD5 hash: 4a5546f61a8bafebd45aa99cc65b0ed2
humanhash: east-failed-bravo-charlie
File name:4a5546f61a8bafebd45aa99cc65b0ed2.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:737'280 bytes
First seen:2021-05-10 13:05:17 UTC
Last seen:2021-05-10 14:03:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:wViXrF32Xifxp1d302dCgj9Ucc0/gg6H7bS1Jy+rAv7:b32o1xZdZj2xfXH7SYqc
Threatray 4'742 similar samples on MalwareBazaar
TLSH D5F4BE5C7AA89575D6FE56BC9470016087F8B11F9902E76E0AB0ECFC3C77310DA0DA9A
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/154101/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/777405
Signature
.NET source code contains very large array initializations
Found malware configuration
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 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 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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409801 Sample: Uo4dvsFK5E.exe Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AgentTesla 2->40 42 6 other signatures 2->42 7 Uo4dvsFK5E.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\...\USStmCsPzLXi.exe, PE32 7->20 dropped 22 C:\Users\...\USStmCsPzLXi.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmpE312.tmp, XML 7->24 dropped 26 C:\Users\user\AppData\...\Uo4dvsFK5E.exe.log, ASCII 7->26 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->46 48 Uses schtasks.exe or at.exe to add and modify task schedules 7->48 50 Injects a PE file into a foreign processes 7->50 11 Uo4dvsFK5E.exe 15 6 7->11         started        16 schtasks.exe 1 7->16         started        signatures5 process6 dnsIp7 30 tractorandinas.com 192.185.115.3, 21, 49740, 49741 UNIFIEDLAYER-AS-1US United States 11->30 32 ftp.tractorandinas.com 11->32 34 192.168.2.1 unknown unknown 11->34 28 C:\Windows\System32\drivers\etc\hosts, ASCII 11->28 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->52 54 Tries to steal Mail credentials (via file access) 11->54 56 Tries to harvest and steal ftp login credentials 11->56 58 2 other signatures 11->58 18 conhost.exe 16->18         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c1e42867b1ed999743606d2a5c887b8aab7c1677402a60a6b3eff712f7ea46c7/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-05-10 13:06:11 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhscqz5r5wmzoq3anuvfzcd3rkvxyftxiavgbjvt573rf57ki3dq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ee129b4636d521a2534586f389bd6ee35345f4bd987b959c81a50215cb65dca6
AgentTesla
+ 4'732 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210510-ywfytx2782/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c1e42867b1ed999743606d2a5c887b8aab7c1677402a60a6b3eff712f7ea46c7

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: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 c1e42867b1ed999743606d2a5c887b8aab7c1677402a60a6b3eff712f7ea46c7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1215469/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/154101/

Comments