MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 357bf981d0f184aaffdb927ac78f1032874237e9d57d6992841d1c0a348104dd. 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 4 File information Comments
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SHA256 hash: 357bf981d0f184aaffdb927ac78f1032874237e9d57d6992841d1c0a348104dd
SHA3-384 hash: a4ca80698dc1632a2dc1509ffe7ec46e445747c44a4b8b93a4279aedbea5d68250a1545428e3c9553616df54072bc503
SHA1 hash: 5b3b0f6825e6ce07b91ac607e72366d831d98392
MD5 hash: 3d9101ffaecdc049e27d6ef5e556c2da
humanhash: echo-oranges-fix-twenty
File name:Soa #300849536.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:16'896 bytes
First seen:2023-09-06 13:05:37 UTC
Last seen:2023-09-11 13:26:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:DnxhxkR4DelSQDENnBeRL7cGLLiDFQbcjRbTVoK42aR2Rkahk4z9oeal9ksssYtV:DnxhxkR4Dejew3LWfB+y5hk+aUsAt8w
Threatray 5'541 similar samples on MalwareBazaar
TLSH T110722948BA5EC923CAED52FC54B7170983F4972B7C43E74FAC8C99421917BD405C26EA
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Soa #300849536.exe
Verdict:
Malicious activity
Analysis date:
2023-09-06 13:07:27 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/fcfcd30f-7bc4-4574-a337-13f483f504bb

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/446592/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6763.30832.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64f87941560864d1b67643b4/reports/f5e9825a-0174-472a-9947-2441f86cdf8b/overview
Verdict:
Malicious
Labled as:
Trojan.GenericS
Link:
https://www.hybrid-analysis.com/sample/357bf981d0f184aaffdb927ac78f1032874237e9d57d6992841d1c0a348104dd
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a8c36b37-cc12-4150-8653-5ec4067dc05e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1304337
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates multiple autostart registry keys
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
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1304337 Sample: Soa_#300849536.exe Startdate: 06/09/2023 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected AgentTesla 2->52 54 4 other signatures 2->54 6 Soa_#300849536.exe 16 5 2->6         started        11 Vonthgr.exe 14 5 2->11         started        13 Vonthgr.exe 2->13         started        15 2 other processes 2->15 process3 dnsIp4 46 files.catbox.moe 108.181.20.35, 443, 49720, 49723 ASN852CA Canada 6->46 32 C:\Users\user\AppData\Roaming\Vonthgr.exe, PE32 6->32 dropped 70 Creates multiple autostart registry keys 6->70 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->72 74 Writes to foreign memory regions 6->74 17 aspnet_compiler.exe 16 4 6->17         started        76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 80 Allocates memory in foreign processes 11->80 22 aspnet_compiler.exe 3 11->22         started        82 Injects a PE file into a foreign processes 13->82 24 aspnet_compiler.exe 13->24         started        26 conhost.exe 15->26         started        28 conhost.exe 15->28         started        file5 signatures6 process7 dnsIp8 34 api4.ipify.org 104.237.62.212, 443, 49721, 49724 WEBNXUS United States 17->34 36 mail.asiaparadisehotel.com 112.213.92.100, 49722, 49728, 49741 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 17->36 38 api.ipify.org 17->38 30 C:\Users\user\AppData\Roaming\...\ODZrHmv.exe, PE32 17->30 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->58 60 May check the online IP address of the machine 17->60 62 Creates multiple autostart registry keys 17->62 40 api.ipify.org 22->40 42 173.231.16.76, 443, 49730 WEBNXUS United States 24->42 44 api.ipify.org 24->44 64 Tries to steal Mail credentials (via file / registry access) 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->68 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/357bf981d0f184aaffdb927ac78f1032874237e9d57d6992841d1c0a348104dd/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-09-06 13:05:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gv57taoq6gckv763sj5mpdyqgkduen7j2v6wteueduoaunebatoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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71abfe67023b4b2085b187859621c1a5ef06fc8c8eafb4d084881a62a47ffc61
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947ace355c2fdfac5fcccf157b2812d24d51d85c738dbaa5f77b27dc41cf7f29
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a97cf5a7b74c82f02c256675a26a7d2c949f6c078a0644a8b9ba5d1ed96e3506
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b391e7e830edbf4c165f4e3d6b54c7a0e69a4a6f1341f1a2db53bc9c6ac53209
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bab5aa60f42a897087607c0ba3e9ccf47ece8f56a34b4d6df7177c64bd526113
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ecc7eaf66af67a95b00a9ed1030b779043987b135e2e09f506b8e668cb33c816
AgentTesla
+ 5'531 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/230906-qb37rafe7t/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
357bf981d0f184aaffdb927ac78f1032874237e9d57d6992841d1c0a348104dd
MD5 hash:
3d9101ffaecdc049e27d6ef5e556c2da
SHA1 hash:
5b3b0f6825e6ce07b91ac607e72366d831d98392
Link:
https://www.unpac.me/results/964f15e0-782f-4fb8-8fa8-536c86745754/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/357bf981d0f1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/357bf981d0f184aaffdb927ac78f1032874237e9d57d6992841d1c0a348104dd

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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/446592/

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