MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3c22af4dadc884ac3182ba7c79013082e9a835c19d23d7654aa493f56eb3852. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3c22af4dadc884ac3182ba7c79013082e9a835c19d23d7654aa493f56eb3852
SHA3-384 hash: 1f58770da83bf635fac64505e4e6c9401e7d04773a6347c1f917f274fdf61acbf0fe15ba93855825fd50aed180b1295a
SHA1 hash: b77d1977328a06252a301b8c927aef4fe600a506
MD5 hash: c7305214de08b35bb808c171a4015acb
humanhash: comet-bulldog-venus-hotel
File name:AWB #.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'193'472 bytes
First seen:2022-07-04 16:36:05 UTC
Last seen:Never
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:l53Rvj2KWL5wLPRD7pSFYBFRB4l21ETAvq0LeZGZXgp5dwvQORsDK/UbnRtM:nBvx6eRDdb1BKuLvq0USQJw/R3/gRtM
Threatray 1'844 similar samples on MalwareBazaar
TLSH T11A459C37B2E9DF11C21E1F37C0EA440407A2D5929157F71F3A8523AE5DA33EE5C8A25A
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Dropper.Nanocore-9954450-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Changing the hosts file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/62c317304412db52dbf5076e/reports/b30d40c0-3142-4cb2-b49f-11e094f156f8/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/e8b21985-53a4-44f5-bc3c-7297aee1ef43
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024320
Signature
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656827 Sample: AWB #.exe Startdate: 04/07/2022 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 11 other signatures 2->78 7 AWB #.exe 7 2->7         started        11 jVULYR.exe 4 2->11         started        13 jVULYR.exe 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\YiwyzfIX.exe, PE32 7->44 dropped 46 C:\Users\...\YiwyzfIX.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmp9889.tmp, XML 7->48 dropped 50 C:\Users\user\AppData\Local\...\AWB #.exe.log, ASCII 7->50 dropped 80 Adds a directory exclusion to Windows Defender 7->80 15 AWB #.exe 2 9 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->82 84 Machine Learning detection for dropped file 11->84 86 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->86 24 jVULYR.exe 11->24         started        26 powershell.exe 11->26         started        28 schtasks.exe 11->28         started        signatures5 process6 dnsIp7 52 208.91.199.225, 49840, 49850, 49854 PUBLIC-DOMAIN-REGISTRYUS United States 15->52 54 us2.smtp.mailhostbox.com 208.91.199.224, 49836, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->54 58 2 other IPs or domains 15->58 38 C:\Users\user\AppData\Roaming\...\jVULYR.exe, PE32 15->38 dropped 40 C:\Windows\System32\drivers\etc\hosts, ASCII 15->40 dropped 42 C:\Users\user\...\jVULYR.exe:Zone.Identifier, ASCII 15->42 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->60 62 Tries to steal Mail credentials (via file / registry access) 15->62 64 Modifies the hosts file 15->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->66 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        56 smtp.saudlunion.com 24->56 68 Tries to harvest and steal ftp login credentials 24->68 70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3c22af4dadc884ac3182ba7c79013082e9a835c19d23d7654aa493f56eb3852/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-29 02:59:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6pbcv5g23seevqyyfot4peatbaxjva24dhjd25suvjet6vxlhbja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02be7db2cec5a34dd4eff991f681ee7b08046e2ed488fbed0e24a41d4476759a
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0d9fbd55cf25fae271466d8c55bb3f55369824913bbf1b05787f94c4a47f23fc
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510747520d22a1c2a30a9fe630e526636ad123c6bf5c0e30dcf2995f8ce50e2b
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532d21f7cfcbf60230207689a6f7444f07a745f69593cb9bf2494920f5c1ad44
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66f0af4a5029d6776422a80253a4e54afb934e5f575a75b4035eff989e575699
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85a44c12223f277bb7b5565296514cb9e953d2d953e21ba49e8a457a1d5aaaa9
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988db61c331d365d5f00ff247bec3ed42ff66c4bd003c72c28dbc6d2bc636897
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c2fed3fc8ca8e6b37a62f9cc8553d6d84da928bb905b28ae4fdd03e20aea47e6
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ca7d1f592504d3f85cc197ef3198c0893ab387c7f353d47729429e1b32d4cfb3
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f10c699f914c2bfc4e8cd61cefbc5a871515ea0b07331b1f56700cb43682c8ef
AgentTesla
+ 1'834 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220704-t4ss9sacdq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
5723367d7cd48b98eb468740ee30085b10bfa3d6a9774e36936e6026aa58af05
MD5 hash:
ccb0686ddfcd782f6adaab81f29a9348
SHA1 hash:
fb2138780442d54c9b367ae901c7150c1d21f087
Link:
https://www.unpac.me/results/8ecaabf5-14f5-47b9-a80a-7254550635cb/
SH256 hash:
80a80d51cb2db006b1b09afca4bf426e060e0c0c29ac4d71d14ca0d7caeba896
MD5 hash:
b6a794af7417d46866072bb2aed1bc8e
SHA1 hash:
e41a6f374f92607b496bb16329e77641053c0da2
Link:
https://www.unpac.me/results/8ecaabf5-14f5-47b9-a80a-7254550635cb/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/8ecaabf5-14f5-47b9-a80a-7254550635cb/
SH256 hash:
fefb3ede503baf9576097dc108ae4a2e79439647b1fb84c1e11c98a3214e4333
MD5 hash:
d83037b1b387c90a8ed4340dbea59f0a
SHA1 hash:
bbf13c4edc2609f7c628fb1118c0aceadcc2db42
Link:
https://www.unpac.me/results/8ecaabf5-14f5-47b9-a80a-7254550635cb/
SH256 hash:
5a4d8a18330f64b1eeccb22c4fc6359d0b52926726ec6b582f641d71020585d2
MD5 hash:
3d24255f31f72eb0953af60be7429fc0
SHA1 hash:
8c75cecd96692ab614c164cb54fb522db277389a
Link:
https://www.unpac.me/results/8ecaabf5-14f5-47b9-a80a-7254550635cb/
SH256 hash:
3970dcaae3c9853cf02437b128d290004babe18edcf5265f460017ad6251d343
MD5 hash:
c419d4bd44099df9e4d104b64902309c
SHA1 hash:
3b0ed9ca1feac2509536a76fe63a865b67f3eb54
Link:
https://www.unpac.me/results/8ecaabf5-14f5-47b9-a80a-7254550635cb/
SH256 hash:
f3c22af4dadc884ac3182ba7c79013082e9a835c19d23d7654aa493f56eb3852
MD5 hash:
c7305214de08b35bb808c171a4015acb
SHA1 hash:
b77d1977328a06252a301b8c927aef4fe600a506
Link:
https://www.unpac.me/results/8ecaabf5-14f5-47b9-a80a-7254550635cb/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f3c22af4dadc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Malspam

AgentTesla

Executable exe f3c22af4dadc884ac3182ba7c79013082e9a835c19d23d7654aa493f56eb3852

(this sample)

  
Delivery method
Distributed via e-mail attachment

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