MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a. 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 3 File information Comments
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SHA256 hash: a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a
SHA3-384 hash: c5ebfbe51bdbc6ba67295ce283ae5d4c006e617fd91e46d496557696caf7ce06d47003919090e31ed27e53cffecc780b
SHA1 hash: 92246c6677954fe349b508b6b5b0cde2a7d4b3d5
MD5 hash: 46cb722c9a6c38d8d5c1cd291cae7c49
humanhash: nitrogen-moon-uranus-equal
File name:SecuriteInfo.com.Win32.PWSX-gen.30312.29593
Download: download sample
Signature AgentTesla
Create hunting rule
File size:657'920 bytes
First seen:2023-10-05 06:35:58 UTC
Last seen:2023-10-10 12:53:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2V/jTiy4fLIPHViiJ47xfYYd4O+r6UrR+gzd8c0w6uNhaqyrc71OKO:WLJrfMiG7xfYa4O+r6gl0wXha
Threatray 66 similar samples on MalwareBazaar
TLSH T18EE413A53BA4F1AEC857847682A06DE4A230702B576FC247A95B21E9DF0D1D7CF107B3
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)
File icon (PE):PE icon
dhash icon cc942d6d69676f14 (5 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
286
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30312.29593.UNOFFICIAL
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 with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/651e5954a71d9f843c2c25ad/reports/4247a530-aab0-41a2-ab7d-a672d91a2ec2/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a
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/dac95e48-0ada-44b3-9cc3-3f4f5daa0783
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319913
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 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
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)
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 dnsIp2 2 Behavior Graph ID: 1319913 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 65 api4.ipify.org 2->65 67 api.telegram.org 2->67 69 api.ipify.org 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 10 other signatures 2->77 9 SecuriteInfo.com.Win32.PWSX-gen.30312.29593.exe 7 2->9         started        13 VIMpTq.exe 2->13         started        15 gnmTmBvanDmef.exe 5 2->15         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\gnmTmBvanDmef.exe, PE32 9->57 dropped 59 C:\Users\user\AppData\Local\...\tmp1EDD.tmp, XML 9->59 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 9->87 89 Adds a directory exclusion to Windows Defender 9->89 17 SecuriteInfo.com.Win32.PWSX-gen.30312.29593.exe 16 5 9->17         started        22 powershell.exe 23 9->22         started        24 schtasks.exe 1 9->24         started        91 Multi AV Scanner detection for dropped file 13->91 93 Machine Learning detection for dropped file 13->93 95 Injects a PE file into a foreign processes 13->95 26 VIMpTq.exe 13->26         started        28 VIMpTq.exe 13->28         started        30 schtasks.exe 13->30         started        32 gnmTmBvanDmef.exe 15->32         started        34 schtasks.exe 1 15->34         started        36 2 other processes 15->36 signatures6 process7 dnsIp8 61 api4.ipify.org 104.237.62.212, 443, 49696, 49698 WEBNXUS United States 17->61 63 api.telegram.org 149.154.167.220, 443, 49697, 49699 TELEGRAMRU United Kingdom 17->63 53 C:\Users\user\AppData\Roaming\...\VIMpTq.exe, PE32 17->53 dropped 55 C:\Users\user\...\VIMpTq.exe:Zone.Identifier, ASCII 17->55 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->79 81 Tries to steal Mail credentials (via file / registry access) 17->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->83 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 VIMpTq.exe 26->42         started        45 schtasks.exe 26->45         started        47 conhost.exe 30->47         started        49 conhost.exe 34->49         started        file9 signatures10 process11 signatures12 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->97 99 Tries to steal Mail credentials (via file / registry access) 42->99 101 Tries to harvest and steal browser information (history, passwords, etc) 42->101 51 conhost.exe 45->51         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 06:36:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uvn4j4fwkgatd2fvvbwk37smcuqbou6kdyklb7bwnevoqarjrr5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
086495cde3e89171613dfbc1747b2ecc9d1a810a713d3c49e432ade7bbb61158
AgentTesla
1c754314f04cdcce697edd7ec302173990f645b1cc6e94347a38f543fdc93492
AgentTesla
4894c3f698e1101a02c7af04e0fd81e36a0d91c0ce7c7003234e7bc18906f024
AgentTesla
5c7e18764c02e02117f91213a2f66e63265d3ed30c0ea8ae1c9be8ff5ee4ba43
AgentTesla
7cbe0d24267f2f3b343b4e223cfdbeaf47ce23e2d405d65a72074682b1f56089
AgentTesla
8a6c6cf2621bc864fe773ead086f95b0d95a6d959f0920b59c571242ef5aa126
AgentTesla
db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5ee
AgentTesla
+ 56 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/231005-hcxscshb2x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/9c132794-3a94-4496-93a5-acbb02398658/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/9c132794-3a94-4496-93a5-acbb02398658/
SH256 hash:
21d47445292d438f5e926211ec776e83414cdce081c031a11fc4bcdc4bcff34b
MD5 hash:
bcb692e5564fea9f7a425349473e4e0c
SHA1 hash:
7109f3e2ea6c9a448c369f2e50a3456bb502ddd2
Link:
https://www.unpac.me/results/9c132794-3a94-4496-93a5-acbb02398658/
SH256 hash:
542a8e8bc96bfb23e088e077f7a837d6433b20d3d355f5a3e0aa115e4581b3cc
MD5 hash:
715c368b638aa89936266a1dab274abd
SHA1 hash:
4f78181ebf5ea0a76af6605f9ccab8384485af4f
Detections:
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/9c132794-3a94-4496-93a5-acbb02398658/
SH256 hash:
a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a
MD5 hash:
46cb722c9a6c38d8d5c1cd291cae7c49
SHA1 hash:
92246c6677954fe349b508b6b5b0cde2a7d4b3d5
Link:
https://www.unpac.me/results/9c132794-3a94-4496-93a5-acbb02398658/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a55bc4f0b651/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/a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a

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:NET
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.

Comments