MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08
SHA3-384 hash: 0a29abe2c77455725559f856df595518e3944f783a11e9395aa97817c6759ab00d5bd1cc64fa6a83e7308a72715eeefc
SHA1 hash: 60008283abf6f3c7c8f86b661b71f232c020b780
MD5 hash: 7c45382ea4ea94f6288cb07f3306a01b
humanhash: september-vermont-sixteen-venus
File name:inv#781.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:727'552 bytes
First seen:2023-11-13 06:50:13 UTC
Last seen:2023-11-13 08:22:19 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:Q8YCC6WzhtbXjekMmGeaVFDfa0vOifmw+IDNU:TY7ZzhteUGdVFm02Xw+cNU
TLSH T16DF47B3D59AD1237C2B9DFB58FC5D46BF0D0A9AB3151AD78A4D303AA4342A46F5C023E
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
309
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
inv#781.exe
Verdict:
Malicious activity
Analysis date:
2023-11-13 06:56:18 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/382e18a2-9ad2-4047-9ecc-3439351bca72

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458292/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.31202.13625.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6551c75c946b6ab224609462/reports/e90da11c-064b-4e96-9660-8d04b73fc415/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08
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/b1ddaf31-8bf9-4054-a103-10c9d6c20d7e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341542
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
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 domain / URL
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341542 Sample: inv#781.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 29 mail.dayanbiotech.ir 2->29 31 dayanbiotech.ir 2->31 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 12 other signatures 2->49 7 inv#781.exe 3 2->7         started        10 Micosoft Excel 2023.exe 3 2->10         started        12 Micosoft Excel 2023.exe 2 2->12         started        signatures3 process4 signatures5 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 14 inv#781.exe 2 5 7->14         started        53 Injects a PE file into a foreign processes 10->53 19 Micosoft Excel 2023.exe 2 10->19         started        21 Micosoft Excel 2023.exe 10->21         started        23 Micosoft Excel 2023.exe 2 12->23         started        process6 dnsIp7 33 dayanbiotech.ir 5.9.154.209, 49703, 49707, 49712 HETZNER-ASDE Germany 14->33 25 C:\Users\user\...\Micosoft Excel 2023.exe, PE32 14->25 dropped 27 Micosoft Excel 2023.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 41 Tries to harvest and steal browser information (history, passwords, etc) 23->41 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-09 17:49:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zioxai66zusxh5atel62m7jdfstcl3kbo6bdij56nvml42mvfiea._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231113-hmg5naah81/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/4d521cfc-90fd-42a6-8638-547d3a584f15/
SH256 hash:
747e1bde3718e30def18b1ae08134a84316e4db87e444c46ef93fd02f37d4396
MD5 hash:
c6aadbe1809c4ded256f2801ea5d8866
SHA1 hash:
9c67e5352719e24808b6ec3b87342d0a1521d675
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/4d521cfc-90fd-42a6-8638-547d3a584f15/
Parent samples :
ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08
ca75c3b3a4278d054eac12a4c06addf6b48ab936ed5a21f1ba652d0d209c0f97
2defbac598a365c0fc0632be4235ec9c067a829aad1a7c9cfc3c3bb78ce646cd
983215b4aaa78bc75ed924200399894c9b7a4d6694b7462f1a14fe3adbcfb72c
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
Link:
https://www.unpac.me/results/4d521cfc-90fd-42a6-8638-547d3a584f15/
SH256 hash:
691442eb336dc1916d0f490e47ac9c8f17181654fbb65292f7e39dfb285fbfb7
MD5 hash:
a52a098d41d96da6110ec0b9c6e5b511
SHA1 hash:
29204b3b91abc2ce074d6f349f930faecc6bf01b
Link:
https://www.unpac.me/results/4d521cfc-90fd-42a6-8638-547d3a584f15/
SH256 hash:
ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08
MD5 hash:
7c45382ea4ea94f6288cb07f3306a01b
SHA1 hash:
60008283abf6f3c7c8f86b661b71f232c020b780
Link:
https://www.unpac.me/results/4d521cfc-90fd-42a6-8638-547d3a584f15/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca1d7023decd/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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 ca1d7023decd2573f41322fda67d232ca625ed4177823427be6d58be69952a08

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/458292/

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