MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33b67c48b82d100f089d7b7bce9ff0a70321ba7fe05ba40e17eece260d3bfa2c. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33b67c48b82d100f089d7b7bce9ff0a70321ba7fe05ba40e17eece260d3bfa2c
SHA3-384 hash: e99f22e484b7d68709d097df01274c1cf91a2fce9406e4c288882884d5a8d74ca15dd174083fff4034555db1868b1d3c
SHA1 hash: eec6f6b5465fc90e887203037a77751c3b17703f
MD5 hash: 9f96c7fc92ea0782b2769e86a974e44a
humanhash: eight-moon-winner-washington
File name:SecuriteInfo.com.Win32.DropperX-gen.8855.30013
Download: download sample
Signature AgentTesla
Create hunting rule
File size:109'056 bytes
First seen:2023-08-23 10:33:38 UTC
Last seen:2023-08-28 13:42:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:ADn5Q46iJwJ4jBSA6g6klTDyHgQMknYMW5RkL+1ZixNCitsFxJdxPYexCy29UH:AiQeUT6klTDYM4YRRrw5ts79dxCp9A
Threatray 1'037 similar samples on MalwareBazaar
TLSH T179B3286D738CAA17DA09DABE80B16B816339C5F77713D3436CC121A92E4ABD58901FC7
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
316
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.DropperX-gen.8855.30013
Verdict:
Malicious activity
Analysis date:
2023-08-23 10:36:58 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/59b22da3-9b9f-4b02-85a0-a0babc8a482c

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/444297/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.8855.30013.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/33b67c48b82d100f089d7b7bce9ff0a70321ba7fe05ba40e17eece260d3bfa2c
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/ff0b55c1-6a68-4729-992c-de52bf473b4c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1295804
Signature
.NET source code contains potential unpacker
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
Sigma detected: MSBuild connects to smtp port
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 AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1295804 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 23/08/2023 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 6 other signatures 2->54 6 SecuriteInfo.com.Win32.DropperX-gen.8855.30013.exe 16 5 2->6         started        11 Vnrianl.exe 14 5 2->11         started        13 Vnrianl.exe 2->13         started        15 2 other processes 2->15 process3 dnsIp4 46 files.catbox.moe 108.181.20.35, 443, 49713, 49721 ASN852CA Canada 6->46 32 C:\Users\user\AppData\Roaming\Vnrianl.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 MSBuild.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 Injects a PE file into a foreign processes 11->80 22 MSBuild.exe 11->22         started        24 MSBuild.exe 13->24         started        26 conhost.exe 15->26         started        28 conhost.exe 15->28         started        file5 signatures6 process7 dnsIp8 34 mail92100.maychuemail.com 112.213.92.100, 49720, 49747, 49749 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 17->34 36 api4.ipify.org 104.237.62.211, 443, 49714, 49748 WEBNXUS United States 17->36 38 api.ipify.org 17->38 30 C:\Users\user\AppData\Roaming\...\wSStSI.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 40 173.231.16.76, 443, 49737 WEBNXUS United States 22->40 42 api.ipify.org 22->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/33b67c48b82d100f089d7b7bce9ff0a70321ba7fe05ba40e17eece260d3bfa2c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-23 08:39:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=go3hysfyfuia6ce5pn545h7qu4bsdot74bn2idqx53hcmdj37iwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
18d3011645c5f9432db3d23aca3ebfadb856684b28e1cadf2d11cb7e668ed67a
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311f3f352aab9853825dd455bcf8721f7d25d48c27fb1b4bd1ae9103e31bd7f4
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3d89fdd610f461d7ca638c14e5a570816e9b5089099872a95c8a87c7f62beb1f
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5ea4e5a7bf4eea3fc6bc09fddcda1844dc29481429fe05e5d4f65776f51a5a8e
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6eefdf2b638055093eef90cee1a6ebec2a2b238daf74576fef0e8eca6a02f2af
AgentTesla
b09ef4dd89c5ae3d88139ff2621bd1247400674ad5d75c78df673d56cc18af51
AgentTesla
d9790b25df3e792b4af4dbda1962f7bfb884eb3491f68db19249061b8441a126
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f2a228803ecd97cb21207b13024d38b890aac02dcbe04fb2ec74a10550bc1589
AgentTesla
+ 1'027 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230823-ml3r7abe63/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
33b67c48b82d100f089d7b7bce9ff0a70321ba7fe05ba40e17eece260d3bfa2c
MD5 hash:
9f96c7fc92ea0782b2769e86a974e44a
SHA1 hash:
eec6f6b5465fc90e887203037a77751c3b17703f
Link:
https://www.unpac.me/results/aa1833cd-7ce4-4492-8ca0-ed5103d9e6ec/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33b67c48b82d/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/33b67c48b82d100f089d7b7bce9ff0a70321ba7fe05ba40e17eece260d3bfa2c

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.

Malspam

AgentTesla

zip 384adb13cb02e0677fa9c4c257d1a73dd278f2b851b9bf68e023111e4f312fc6

AgentTesla

Executable exe 33b67c48b82d100f089d7b7bce9ff0a70321ba7fe05ba40e17eece260d3bfa2c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/444297/
  
Dropped by
SHA256 384adb13cb02e0677fa9c4c257d1a73dd278f2b851b9bf68e023111e4f312fc6
  
Dropped by
MD5 486844914217ddb16316fc2a98f4df28

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