MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 faf88b54daf7749226c2bf5fc4d0f122d728f689093c926f26c1d4b2c275f137. 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: faf88b54daf7749226c2bf5fc4d0f122d728f689093c926f26c1d4b2c275f137
SHA3-384 hash: f8a5692035a2a5c3037f6ffff3f916990204cf9bef0086e8edc1f743beefaea33a645e413fdfd7a0f0cc922945f4bd15
SHA1 hash: b41c2d8e47dae00024b2af66a717d35e98fc74c1
MD5 hash: bb827d00c6e4f34dbad37087a112c874
humanhash: black-seventeen-fix-virginia
File name:bb827d00c6e4f34dbad37087a112c874.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'025'536 bytes
First seen:2022-03-22 18:50:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:/eohGZqNynkYyf1iFTyXM75kHyoyqi7h4r+tCiAL9y3vtujSj:/eohGWynESTyXMKvyED9QveSj
Threatray 15'516 similar samples on MalwareBazaar
TLSH T1F0252384BA980635E72C67FC252D224803F6A6746903DF74CF8566ED04FF786634279B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.casabarros.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/255088/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.27266.2201.7241.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/623a1aa60cd58dbd92d8b0b2/reports/f8c45f84-b9a3-43d7-aff7-cab912fafce9/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/6252faf7-a6dd-47eb-b1cd-8acd23e25d91
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/961931
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 594407 Sample: evfGvgdlA7.exe Startdate: 22/03/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 11 other signatures 2->43 7 evfGvgdlA7.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\svdtXluefpcw.exe, PE32 7->25 dropped 27 C:\Users\...\svdtXluefpcw.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp979E.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\evfGvgdlA7.exe.log, ASCII 7->31 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Writes to foreign memory regions 7->47 49 Adds a directory exclusion to Windows Defender 7->49 51 Injects a PE file into a foreign processes 7->51 11 RegSvcs.exe 2 7->11         started        15 RegSvcs.exe 7->15         started        17 powershell.exe 25 7->17         started        19 schtasks.exe 1 7->19         started        signatures5 process6 dnsIp7 33 casabarros.com 94.46.173.92, 49779, 587 ALMOUROLTECPT Portugal 11->33 35 mail.casabarros.com 11->35 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->53 55 Tries to steal Mail credentials (via file / registry access) 11->55 57 Tries to harvest and steal ftp login credentials 11->57 59 Tries to harvest and steal browser information (history, passwords, etc) 11->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->63 21 conhost.exe 17->21         started        23 conhost.exe 19->23         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/faf88b54daf7749226c2bf5fc4d0f122d728f689093c926f26c1d4b2c275f137/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-22 10:48:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7l4iwvg2652jejwcx5p4juhrellsr5ujbe6je3zgyhklfqtv6e3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0a26073dc1b719d6c2f2ceb4c2a43f44d031c59c9a1082cace4b0358080c3cea
AgentTesla
127e512be158b258d5db5e050b3b79c41bbdf08a66d11fd75a7ef93ccd1cc7a5
AgentTesla
5bbe20646d38c2bb4bc38650649633c5a78522a6ea2f09f04cb6be0f3075544e
AgentTesla
95590a08cdd484993f89508e263542bef911267e95d4b1c70dd310effb64eb8e
AgentTesla
abd985aa1bfe39c848147583e821f9a2b0c806db69900e96850a7a9d70dbb75d
AgentTesla
be5e5080c40744d09091dabe3f58f88256ebce999d059bc081f73a0021f1f95a
AgentTesla
d4565dc156b21596ef724b1b6bb45cb493f05cf60ed2b74c89cd7eee19316333
AgentTesla
e1ef40781e1c8f0de56652882e5e99ea0f7a3f2f870d047498e5e73cff89f28c
AgentTesla
+ 15'506 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220322-xhjv1sgfg2/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
bb06fcac2756c97700a4af14f18dc32ffb22c3cdc7e638700854c9691db56250
MD5 hash:
367f87433939966a2f5cc13514286fcb
SHA1 hash:
0804ffaa5d3d5a80f94656b9df958d49843c2166
Link:
https://www.unpac.me/results/aa278adb-3727-409d-b626-fd5e1be157aa/
SH256 hash:
355dffe86b79bc425c904e61a4b31f2de3f917934314abe054f5339a3c5a36a5
MD5 hash:
1546da66ed571dfb6dde85d462973553
SHA1 hash:
0aa79ac359aea306cc9a2a69248a57233cc55268
Link:
https://www.unpac.me/results/aa278adb-3727-409d-b626-fd5e1be157aa/
SH256 hash:
47c542ca7fd1fef950f48ca27e8792d2798540ccf5355e65cf30780f8e2cbb5d
MD5 hash:
c10095d5ce20e62bf4bad4403988270b
SHA1 hash:
1d425dab77aeec00e44f0d9b540e79fc02d42fce
Link:
https://www.unpac.me/results/aa278adb-3727-409d-b626-fd5e1be157aa/
SH256 hash:
301642ff8826ac264d1a78b36237b5ece99cb31a2d9cecd04aafb3449679d94b
MD5 hash:
f08268ddb5c1236b947fe2864860fc98
SHA1 hash:
772410110fee00fc53939b94c2f64069fa824cf4
Link:
https://www.unpac.me/results/aa278adb-3727-409d-b626-fd5e1be157aa/
SH256 hash:
faf88b54daf7749226c2bf5fc4d0f122d728f689093c926f26c1d4b2c275f137
MD5 hash:
bb827d00c6e4f34dbad37087a112c874
SHA1 hash:
b41c2d8e47dae00024b2af66a717d35e98fc74c1
Link:
https://www.unpac.me/results/aa278adb-3727-409d-b626-fd5e1be157aa/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/faf88b54daf7/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/faf88b54daf7749226c2bf5fc4d0f122d728f689093c926f26c1d4b2c275f137

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 faf88b54daf7749226c2bf5fc4d0f122d728f689093c926f26c1d4b2c275f137

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2111119/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/255088/

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