MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ef6e228367a06c21a66242951db031ab3bc32a4a847411bcc40877ade69026. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91ef6e228367a06c21a66242951db031ab3bc32a4a847411bcc40877ade69026
SHA3-384 hash: 8caf122fe227c30d3fd473b037bb2c512a37790d5eb87f2d449c292f7cc6a2359aec9a335da2b96ab4f243350ea6e50c
SHA1 hash: 859729293b6796deccc06730383064f9fd9cfd3e
MD5 hash: 4f006a02c107926ed24fc45073334b88
humanhash: bravo-pennsylvania-spring-wyoming
File name:4f006a02c107926ed24fc45073334b88.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:626'176 bytes
First seen:2021-09-21 14:19:26 UTC
Last seen:2021-09-21 17:02:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:/cIbw8eGGmtiK5oC5cosHzzmVIxljbUeRfFsP0Uy1r4l:3bw8eGG+FoC5cvHzyVyFQebRUy16
Threatray 10'098 similar samples on MalwareBazaar
TLSH T1A7D4021171DE0658DBE977B525B193103B37BEBA5873C60E2ADCB18D4B372818E34B26
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
m002.dapurhosting.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OOLU2032650751.doc
Verdict:
Malicious activity
Analysis date:
2021-09-21 12:54:19 UTC
Tags:
ole-embedded opendir loader
Link:
https://app.any.run/tasks/429e407b-62be-4941-9078-c9c23ce6fbbd

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/189910/
Detection(s):
SecuriteInfo.com.Artemis4F006A02C107.1768.6676.UNOFFICIAL
Create hunting rule

Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c835f40-1ab4-4cff-aeeb-cd7b4cbe5e7a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854977
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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: Powershell Defender Exclusion
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 487410 Sample: P68Elgy8PK.exe Startdate: 21/09/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 5 other signatures 2->43 7 P68Elgy8PK.exe 4 2->7         started        11 winfiles.exe 4 2->11         started        process3 file4 31 C:\Users\user\AppData\...\P68Elgy8PK.exe.log, ASCII 7->31 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 Adds a directory exclusion to Windows Defender 7->49 13 P68Elgy8PK.exe 2 5 7->13         started        17 powershell.exe 25 7->17         started        19 P68Elgy8PK.exe 7->19         started        21 P68Elgy8PK.exe 7->21         started        51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 55 Injects a PE file into a foreign processes 11->55 23 powershell.exe 11->23         started        25 winfiles.exe 11->25         started        signatures5 process6 file7 33 C:\Users\user\AppData\...\winfiles.exe, PE32 13->33 dropped 35 C:\Users\...\winfiles.exe:Zone.Identifier, ASCII 13->35 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->57 59 Tries to steal Mail credentials (via file access) 13->59 61 Tries to harvest and steal ftp login credentials 13->61 63 2 other signatures 13->63 27 conhost.exe 17->27         started        29 conhost.exe 23->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91ef6e228367a06c21a66242951db031ab3bc32a4a847411bcc40877ade69026/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2021-09-21 14:20:13 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=shxw4iudm6qgyingmjbjkhnqggvtxqzkjkchien4yqehplpgsata._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0fc268f23d1296d162de486acbda3e5e745e52f8bdd255a3813a788ab279dd66
AgentTesla
11158aa236a07183547892ad906115d89ef9e2563f0fe56cc77dcef8bc581129
AgentTesla
359de4e28b1286f601c3d8cc5987ff8f81335f049411f00d99496c2f56bbade0
AgentTesla
39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf
AgentTesla
43529598ea9bcb9fb6fd47e9554afbc39388856dee239751ba45c18186ac7346
AgentTesla
a51412351320c2876dc38780b18441bbc160c6a0fa21bda69330eeaef1fb6ca6
AgentTesla
e433b3cc952fec02984b9d3678ab71f9e168a5616550f44e7ab3b0548d01ed2e
AgentTesla
+ 10'088 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/210921-rnewcshgd3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/8037a951-d89c-43f2-91ff-d3ba758ff649/
SH256 hash:
2648b065d9c2d533b4a1be689ebceebc94df77c7437bc0ce4de0ccd71838a70a
MD5 hash:
5c1b675b79f62219ab4f8c63a8da943f
SHA1 hash:
b57cc19a982ed39973bdabc53e38582cc9d4533d
Link:
https://www.unpac.me/results/8037a951-d89c-43f2-91ff-d3ba758ff649/
SH256 hash:
22001a676c76aa7020e3e77033e1eb03a3af9633eeaffbb61826bb1fd96bba0c
MD5 hash:
56b397049c5853bbef652123c30c36d9
SHA1 hash:
19c4cbf31799518359a52496e3e06f1276d93f6a
Link:
https://www.unpac.me/results/8037a951-d89c-43f2-91ff-d3ba758ff649/
SH256 hash:
91eefee4e42a4988de7d4c3794c79b05cc78caeecec6c945c4f0a2394bfdd214
MD5 hash:
673d6d14ade849dd22f58923dee27558
SHA1 hash:
0d1cb755c39449609fb9726b142f2bc3f8d9fbde
Link:
https://www.unpac.me/results/8037a951-d89c-43f2-91ff-d3ba758ff649/
SH256 hash:
91ef6e228367a06c21a66242951db031ab3bc32a4a847411bcc40877ade69026
MD5 hash:
4f006a02c107926ed24fc45073334b88
SHA1 hash:
859729293b6796deccc06730383064f9fd9cfd3e
Link:
https://www.unpac.me/results/8037a951-d89c-43f2-91ff-d3ba758ff649/
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/91ef6e228367a06c21a66242951db031ab3bc32a4a847411bcc40877ade69026

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information

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

Web download

AgentTesla

Executable exe 91ef6e228367a06c21a66242951db031ab3bc32a4a847411bcc40877ade69026

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/189910/
  
URLhaus
https://urlhaus.abuse.ch/url/1638499/
  
Delivery method
Distributed via web download

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