MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4982c5c5b78167a77ab4a79f7189ba5acc7ff49cf9d8a4f12b2967925c1f0c4. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4982c5c5b78167a77ab4a79f7189ba5acc7ff49cf9d8a4f12b2967925c1f0c4
SHA3-384 hash: 0de08f9d5224403dcccede4fff3a0817ca563e44a4fbfe3a2721a06b9bf2ee84de89b36976312ae3860c6a044a084074
SHA1 hash: 089899bbf296cc5caef1ad28861626a00603a2fa
MD5 hash: e841af760ec4a7eb5d2f745d22406d50
humanhash: alaska-emma-florida-november
File name:triage_dropped_file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:799'232 bytes
First seen:2022-02-17 13:46:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:/5ot5VkoAPRKotwF8myoGvYpdj+l7HwpfImx8y0Qy2J2tW9CPAfUE17kO:/5oSPnti8myNmdw0fJx8yL9sKRkO
Threatray 15'369 similar samples on MalwareBazaar
TLSH T1F605BE5631EF1096D3A2EBF20BD8ADBF969EF173120F353A35C12B46C7269409A42771
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
doc1622.doc
Verdict:
Malicious activity
Analysis date:
2022-02-17 14:41:14 UTC
Tags:
loader exploit CVE-2017-11882
Link:
https://app.any.run/tasks/8c93dbe8-4f6b-4c09-a811-460cd7a763d8

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/242256/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.57439.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/620e51e1ac8ad0468b4be01b/reports/99dcc7c6-0d64-4e49-9c09-53835c4d8b58/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d2b3b103-b62e-466c-a62a-decc6e3f69b1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941610
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Malicious sample detected (through community Yara rule)
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 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 steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574088 Sample: triage_dropped_file Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 31 smtp.ggrnartnet.com 2->31 33 us2.smtp.mailhostbox.com 2->33 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 8 other signatures 2->49 7 triage_dropped_file.exe 3 2->7         started        11 ESVFEkk.exe 3 2->11         started        13 ESVFEkk.exe 2 2->13         started        signatures3 process4 file5 25 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 7->25 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->53 15 triage_dropped_file.exe 2 5 7->15         started        19 triage_dropped_file.exe 7->19         started        55 Antivirus detection for dropped file 11->55 57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 ESVFEkk.exe 2 11->21         started        23 ESVFEkk.exe 2 13->23         started        signatures6 process7 file8 27 C:\Users\user\AppData\Roaming\...SVFEkk.exe, PE32 15->27 dropped 29 C:\Users\user\...SVFEkk.exe:Zone.Identifier, ASCII 15->29 dropped 35 Tries to steal Mail credentials (via file / registry access) 15->35 37 Tries to harvest and steal ftp login credentials 15->37 39 Tries to harvest and steal browser information (history, passwords, etc) 15->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4982c5c5b78167a77ab4a79f7189ba5acc7ff49cf9d8a4f12b2967925c1f0c4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-16 21:20:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
32 of 42 (76.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usmcyxc3palhu55ljj47oge3uwwmp72jz6oyutyswklhsjob6dca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01b7ecba4c040bd3c352b2023e1f7f38c2b2ef741f23a91301153f03760d3505
AgentTesla
4601621cfda56bc05c74eb9e906d082fe613dedbdd07fcec0dc9ba02e3f37a00
AgentTesla
5d672704a21b30d710a99381dd8d60bff67f68428f2b1b73ffd67169aa1cc487
AgentTesla
782e217ec684944693a03a56d29675c879b31fb570c5f9956552ba5968295463
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8f9a34a821f52b05d7ec60c32575e79faedea1dd0f30fd6537fc7928e47bd107
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9e33ca4eee3b2499f384dcfd926f97675258157bbdbeaa5c6720abc746c77d2c
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e18b35bb58d2491c0a112bef5da1a6782b5853abeea43ea9661a90e7d7ba0f41
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f01532f0b31d04710139a44918a88e8d3403a7195695a27e1b2aa2f9a8f5188f
AgentTesla
+ 15'359 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220217-q3lf1sbca3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d6793155ec198e288e1c79f72a4e1fa63ebafaf8afb19f1886ebc7b8eb2c90fc
MD5 hash:
738bbcb7b33af24a085086e419e63132
SHA1 hash:
ad092e137c1238aadaea75e1971a9791aea0a11d
Link:
https://www.unpac.me/results/38b9ee21-8c1d-4d6a-be25-9bb83356bd94/
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
Link:
https://www.unpac.me/results/38b9ee21-8c1d-4d6a-be25-9bb83356bd94/
SH256 hash:
68894fa53082a13280b86673f283b9545c0724cc3b71f751a8e12b3d87d19462
MD5 hash:
3a6e9ad58b85f983e8d9fab58ed21103
SHA1 hash:
2504e9942a9fc298bbc8b2c893bb4af8dcb39dca
Link:
https://www.unpac.me/results/38b9ee21-8c1d-4d6a-be25-9bb83356bd94/
SH256 hash:
51cb177a33619c99965b15ee7ce8e7f3eb353160ef35be829469c38c94911960
MD5 hash:
66b34b8795f602099db5677244fb2ce6
SHA1 hash:
228511cee85232d504498330b17bab09567beacf
Link:
https://www.unpac.me/results/38b9ee21-8c1d-4d6a-be25-9bb83356bd94/
SH256 hash:
a4982c5c5b78167a77ab4a79f7189ba5acc7ff49cf9d8a4f12b2967925c1f0c4
MD5 hash:
e841af760ec4a7eb5d2f745d22406d50
SHA1 hash:
089899bbf296cc5caef1ad28861626a00603a2fa
Link:
https://www.unpac.me/results/38b9ee21-8c1d-4d6a-be25-9bb83356bd94/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a4982c5c5b78/report/overview.html
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/a4982c5c5b78167a77ab4a79f7189ba5acc7ff49cf9d8a4f12b2967925c1f0c4

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/242256/

Comments