MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1c4a9e018f258790b3975c7fb046737d9ec5f35cf7f45c6cc5b2e53b40734b0. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1c4a9e018f258790b3975c7fb046737d9ec5f35cf7f45c6cc5b2e53b40734b0
SHA3-384 hash: 7b6c13b901b83568210be2754a112c77f0cbf3139838f5158e756d65b92364090b76739c9ef80edfd419912358b5bbc9
SHA1 hash: 85e106b4ac0a3005b53ca926b4b25d2b37853269
MD5 hash: 8891500d2eed24903c0cf0992f3e7191
humanhash: quiet-dakota-juliet-texas
File name:20220613_266377266377266323.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:486'400 bytes
First seen:2022-06-13 02:17:41 UTC
Last seen:2022-06-13 02:31:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:IhHBafvIdHhhA+c9KjA30sYGA18oBlNrcjL+bP+SHo4:IhwfEHTAUjA30xByoBXP+8
Threatray 17'377 similar samples on MalwareBazaar
TLSH T188A4234A36BA4365CE2D477EE833A22C03BE266665BBDBF60D0032F75F177020545B96
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0022a3a2b8a6e610 (16 x Formbook, 7 x AgentTesla, 6 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
20220613_266377266377266323.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 02:19:12 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/fb8f04ba-5387-400d-b9c5-7bff57423ff3

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/279144/
Detection(s):
SecuriteInfo.com.Variant.Tedy.124770.30579.18422.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:
packed
Link:
https://www.filescan.io/uploads/62a69e75a454cbb2f2f81869/reports/8a1a32a3-2581-429e-ba32-30c8612b5584/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/9791ebf3-196c-45f9-9054-6ba923e0e8b0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011690
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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 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 AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644186 Sample: 20220613_266377266377266323.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 10 other signatures 2->41 7 20220613_266377266377266323.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\eTkJZI.exe, PE32 7->23 dropped 25 C:\Users\user\...\eTkJZI.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpDC4D.tmp, XML 7->27 dropped 29 C:\...\20220613_266377266377266323.exe.log, ASCII 7->29 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 2 other signatures 7->49 11 20220613_266377266377266323.exe 15 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49738 TELEGRAMRU United Kingdom 11->31 33 192.168.2.1 unknown unknown 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Tries to harvest and steal ftp login credentials 11->55 57 Tries to harvest and steal browser information (history, passwords, etc) 11->57 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1c4a9e018f258790b3975c7fb046737d9ec5f35cf7f45c6cc5b2e53b40734b0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 02:18:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6hcktyay6jmhsczzoxd7wbdhg7m6yxzvz57ulrwmlmxfhnahgsya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2a4468df049b2ebcb4ed7ef66dbf0476765343612c13dc962752f5a56a50676b
AgentTesla
4303985ee7b44ba9c01edd967873f8b12df0dcd267f48df10962b3368e01ff82
AgentTesla
4c0f2de97826d56bae2c4af31cd01c4b68515433943918af1f28889587fa13f1
AgentTesla
6131b03eaf029cbe944219f41fc09fa65fbf15bac4de218ad1210bbc29e22772
AgentTesla
70cdb9db8282adb1bb6180798f3b35f3b69baf831fbe03e2ae38166b36a25c83
AgentTesla
b05536bc5f92e9b6054515a944f8c96202ff23e6ef039dc617f8737ba543c09b
AgentTesla
+ 17'367 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/220613-cq9q7ahdc5/
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
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5361654451:AAHYmTepKr6-9tSiLevlFEo3EiHB22BoB8k/sendDocument
Unpacked files
SH256 hash:
82179ee2a38ba6d9409716321ba532147c9a609e4bfcf95e602fe6e3389a9194
MD5 hash:
b57988156cfba6e4863b5293e85d2677
SHA1 hash:
7eb329605a6d521a4cfa5db0f0c1fb172ab9744f
Link:
https://www.unpac.me/results/5b5331cc-ce94-4168-bcc8-5f108cb49cbc/
SH256 hash:
6f1f0bbd9532fc17da039de05b377c077fad652fa0caefbc551ed4cc0a8a91f7
MD5 hash:
d28601fe2fa184345ad7af9060b527b4
SHA1 hash:
76a827ae053d23e29c9dcb1299d14b60a2faa7b7
Link:
https://www.unpac.me/results/5b5331cc-ce94-4168-bcc8-5f108cb49cbc/
SH256 hash:
d820486e4cf455471e95d1428ae7ba7920fc218cd2e4280d6daab7fce16d77d2
MD5 hash:
14531506073c6e1481386d6689951529
SHA1 hash:
3c5a997809a6961562c403d2f752f7986343d758
Link:
https://www.unpac.me/results/5b5331cc-ce94-4168-bcc8-5f108cb49cbc/
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
Link:
https://www.unpac.me/results/5b5331cc-ce94-4168-bcc8-5f108cb49cbc/
SH256 hash:
f1c4a9e018f258790b3975c7fb046737d9ec5f35cf7f45c6cc5b2e53b40734b0
MD5 hash:
8891500d2eed24903c0cf0992f3e7191
SHA1 hash:
85e106b4ac0a3005b53ca926b4b25d2b37853269
Link:
https://www.unpac.me/results/5b5331cc-ce94-4168-bcc8-5f108cb49cbc/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f1c4a9e018f2/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/f1c4a9e018f258790b3975c7fb046737d9ec5f35cf7f45c6cc5b2e53b40734b0

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: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

File information

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

Malspam

AgentTesla

Executable exe f1c4a9e018f258790b3975c7fb046737d9ec5f35cf7f45c6cc5b2e53b40734b0

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/279144/

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