MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21da6251b60bdd9a0fcc9c1728d7f63885afeb53185ccef2a96103f3dad144d4. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21da6251b60bdd9a0fcc9c1728d7f63885afeb53185ccef2a96103f3dad144d4
SHA3-384 hash: 7335d725dbc3839acf4eab46af528d93edf7b92ce788266d2cc2573fd9bccad2d966c23857daaa09cc4b7779459c9c78
SHA1 hash: cd060492426d7e749bdfef67b9e75d5d02b6e0ff
MD5 hash: 407a4475933399d86b822c4ed5a6393b
humanhash: delta-lima-vegan-oklahoma
File name:407a4475933399d86b822c4ed5a6393b.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:648'704 bytes
First seen:2023-05-02 12:14:56 UTC
Last seen:2023-05-13 22:42:42 UTC
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:LAwe5SgUJm2XTRRypuQ+WzbkBmP0WhBXz/byKT9x:+5SgcmyQkBcpljb5J
Threatray 715 similar samples on MalwareBazaar
TLSH T196D4D01A61A4CB1BFD798BF05474FF8463F1B0B354E0E1282EBA60C9DAA6F011E4D55B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe Telegram

Intelligence

File Origin
# of uploads :
2
# of downloads :
243
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
407a4475933399d86b822c4ed5a6393b.exe
Verdict:
Malicious activity
Analysis date:
2023-05-02 12:16:12 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/c666687b-2d90-4a79-ab47-292704a5e662

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/386111/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/6450fec9edfde86c79815da3/reports/4468617d-1464-43cc-bcc6-b82bb77ff981/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/21da6251b60bdd9a0fcc9c1728d7f63885afeb53185ccef2a96103f3dad144d4
Result
Verdict:
UNKNOWN
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/a6521d74-e965-47fc-a7ae-0209457de968
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1224700
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 857665 Sample: TKKHAWXVLF.exe Startdate: 02/05/2023 Architecture: WINDOWS Score: 100 62 api.telegram.org 2->62 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 8 other signatures 2->70 8 TKKHAWXVLF.exe 7 2->8         started        12 TjVsmw.exe 5 2->12         started        14 NXLun.exe 2->14         started        16 NXLun.exe 2->16         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\TjVsmw.exe, PE32 8->54 dropped 56 C:\Users\user\...\TjVsmw.exe:Zone.Identifier, ASCII 8->56 dropped 58 C:\Users\user\AppData\Local\...\tmp1639.tmp, XML 8->58 dropped 60 C:\Users\user\AppData\...\TKKHAWXVLF.exe.log, ASCII 8->60 dropped 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->80 82 Uses schtasks.exe or at.exe to add and modify task schedules 8->82 84 Adds a directory exclusion to Windows Defender 8->84 86 Injects a PE file into a foreign processes 8->86 18 TKKHAWXVLF.exe 2 5 8->18         started        22 powershell.exe 20 8->22         started        24 schtasks.exe 1 8->24         started        88 Multi AV Scanner detection for dropped file 12->88 90 Machine Learning detection for dropped file 12->90 26 TjVsmw.exe 2 12->26         started        28 schtasks.exe 1 12->28         started        30 schtasks.exe 14->30         started        36 2 other processes 14->36 32 schtasks.exe 16->32         started        34 NXLun.exe 16->34         started        signatures6 process7 file8 48 C:\Users\user\AppData\Roaming\...48XLun.exe, PE32 18->48 dropped 50 C:\Windows\System32\drivers\etc\hosts, ASCII 18->50 dropped 52 C:\Users\user\...52XLun.exe:Zone.Identifier, ASCII 18->52 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->72 74 Tries to steal Mail credentials (via file / registry access) 18->74 76 Modifies the hosts file 18->76 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        78 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->78 42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21da6251b60bdd9a0fcc9c1728d7f63885afeb53185ccef2a96103f3dad144d4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-02 10:44:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehngeunwbpozud6mtqlsrv7whcc2722tdbom54vjmeb7hwwritka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0494623f46dee59028737fd272af2a35b144c38bd2a0a5f8ebcb131a45aaf71c
AgentTesla
0e28edd49df1a28f394bd5929bf06d04418c9365980bdd56a68d058ee56f52a3
AgentTesla
16e67e79d382c4480603832ba0b3073208224e0e5078e3dd1e108a7b98a0f690
AgentTesla
5b7fd0a91db03a64277e79fa7e6b8d63674a8a3cabf30c78eaa56c70ba6b3ceb
AgentTesla
74364dacad18ae5d6930c6b8d3c41210ef3d3c2c7899386c2b2c17d7c84142ec
AgentTesla
799ad2554344216d192896a517536862c2435f054182bb8e468f6dd9f15f3e33
AgentTesla
929030c5ca3c01f22c8ecbb5fc41e507dd872c8215995aa40312e8d83df4a718
AgentTesla
bc2c9a0032b4118b2d862043c73ebbc2627c31f8fb8afb7bd28b8a27be225800
AgentTesla
d82c8b26b89f37dc001cd489570e5e3ed2c84d7604c4aea6346ad898c6537b57
AgentTesla
e5f093e9dd330783c86c0d6315f6a4bbb19018ef8177daeb449226f76daad492
AgentTesla
+ 705 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/230502-pewreach2z/
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 payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
Unpacked files
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/c26ddb34-6cdc-4b09-b170-3e77e60cdf5c/
SH256 hash:
9a18c876dca4574efbff661e1a936ebaf4caf80fc8e67c8a602ca5c00c26b1c9
MD5 hash:
24d7d882c56786c2f48fd2edfe428fcc
SHA1 hash:
e70d94c91b7378825056745f8fb1acdcb53b7c36
Link:
https://www.unpac.me/results/c26ddb34-6cdc-4b09-b170-3e77e60cdf5c/
SH256 hash:
d1731db43aacc0af6d080099259d2d3a5ece3a5b23ed916ebec2c1896b73cb11
MD5 hash:
4b1a220db00cf569cc720b0626548a7b
SHA1 hash:
dca94a7a89c3f637113013bf4f36cbed3abdcb21
Link:
https://www.unpac.me/results/c26ddb34-6cdc-4b09-b170-3e77e60cdf5c/
SH256 hash:
8ce118491b0f17a34bd196b4e63f9ad9b488072063c8bbc072b398aea08ba710
MD5 hash:
1337d822bd145a6e7d1b009ab76fe5ab
SHA1 hash:
715dfaa73f18a35cc301a7abebb7076fe3049bbe
Link:
https://www.unpac.me/results/c26ddb34-6cdc-4b09-b170-3e77e60cdf5c/
SH256 hash:
1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b
MD5 hash:
6000c65c92c57aacb254a0086b11c94f
SHA1 hash:
0445ffce0d85572af354edfe744a3762440f5c9b
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/c26ddb34-6cdc-4b09-b170-3e77e60cdf5c/
Parent samples :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 hash:
21da6251b60bdd9a0fcc9c1728d7f63885afeb53185ccef2a96103f3dad144d4
MD5 hash:
407a4475933399d86b822c4ed5a6393b
SHA1 hash:
cd060492426d7e749bdfef67b9e75d5d02b6e0ff
Link:
https://www.unpac.me/results/c26ddb34-6cdc-4b09-b170-3e77e60cdf5c/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21da6251b60b/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.

Web download

AgentTesla

Executable exe 21da6251b60bdd9a0fcc9c1728d7f63885afeb53185ccef2a96103f3dad144d4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/386111/
  
URLhaus
https://urlhaus.abuse.ch/url/2622128/
  
Delivery method
Distributed via web download

Comments