MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b. 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: 17


Intelligence 17 IOCs YARA 20 File information Comments
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SHA256 hash: 800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b
SHA3-384 hash: 7ba95af49d1707c57947ff5d46b15641d2a5c2c22702f3bf82755e6871fbeaaa45f94f663befb5379fdea4882a7e8231
SHA1 hash: 618b52cbd71053c985c43c686d0c1f4f605d50e5
MD5 hash: cc8b9ed10a85cf26ee29a9497abb8e23
humanhash: aspen-pennsylvania-wisconsin-finch
File name:ungziped_file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:733'184 bytes
First seen:2024-06-10 10:46:26 UTC
Last seen:2024-06-17 13:36:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:mX0pxDV36Di8BtLUi6PC2qShUyqzf3ahlKj6ZA70tIVzdAlBw70yQvPxQYlP:FBFKq3a23uyqzf3pj6ZB5i70yGPqAP
TLSH T1C1F4236933BC3B19E8F91B7D0532929823F672971560D38D5ECA64F60242B111B6EFE3
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon ccc8a8cc30e06030 (10 x AgentTesla, 9 x Formbook)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
371
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b.exe
Verdict:
Malicious activity
Analysis date:
2024-06-10 10:48:54 UTC
Tags:
evasion agenttesla stealer smtp exfiltration
Link:
https://app.any.run/tasks/57df4a7c-96f9-4cbb-8b9f-4470f9e419f0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2548.13593.11242.UNOFFICIAL
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Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666707d25c0e232c1ff027d2win7simulatehigh_evasion
Tags:
Generic Network Gensteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6666d9b50bf5978c0b0e03bc/reports/28b5b613-86aa-4ba3-9bff-cbbcebd20e21/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b
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/207fc85e-d88b-4316-9235-f2795e13f4b6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1454517
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 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: 1454517 Sample: ungziped_file.exe Startdate: 10/06/2024 Architecture: WINDOWS Score: 100 17 mail.alitextile.com 2->17 19 ip-api.com 2->19 21 api.ipify.org 2->21 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 7 ungziped_file.exe 3 2->7         started        signatures3 process4 file5 15 C:\Users\user\...\ungziped_file.exe.log, ASCII 7->15 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 43 2 other signatures 7->43 11 ungziped_file.exe 14 2 7->11         started        signatures6 process7 dnsIp8 23 mail.alitextile.com 192.185.143.105, 49705, 49715, 49716 UNIFIEDLAYER-AS-1US United States 11->23 25 ip-api.com 208.95.112.1, 49703, 80 TUT-ASUS United States 11->25 27 api.ipify.org 104.26.13.205, 443, 49702 CLOUDFLARENETUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file / registry access) 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 51 Installs a global keyboard hook 11->51 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-06-10 07:10:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
29 of 38 (76.32%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qag6auwa7i3t4dprfkbnlmdb72rcqxp547tddyrzmhh74b47r45q._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240610-m4lxdsgd5t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/a7a48fdc-eb2c-4a92-b87d-945b599207fc/
SH256 hash:
6243c709db7165f4a84036c0544b462ee9539412c61de6151a6aa18465659e48
MD5 hash:
5166d8930d5a1bf5a1738cc180587975
SHA1 hash:
4316633ea531432ff67776d1e59dcf8481a7cbbc
Link:
https://www.unpac.me/results/a7a48fdc-eb2c-4a92-b87d-945b599207fc/
SH256 hash:
72e9b549245fc0ac41b5697dd07d575ca05f9f91af883823e98a24b4cb896c64
MD5 hash:
585d714ff742485e5a952b06d6b10493
SHA1 hash:
1e7852949b75916f6a7a1575280e3d946b7556dd
Link:
https://www.unpac.me/results/a7a48fdc-eb2c-4a92-b87d-945b599207fc/
SH256 hash:
cbbd3f30228f0f2e06199e5a153840822a11d4b94ea35be0f607122d5d868709
MD5 hash:
86d0a4a6437968ea1e0e83036f8bcff8
SHA1 hash:
14bde579f07a626882dfff48d26dc6146e938e87
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/a7a48fdc-eb2c-4a92-b87d-945b599207fc/
SH256 hash:
800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b
MD5 hash:
cc8b9ed10a85cf26ee29a9497abb8e23
SHA1 hash:
618b52cbd71053c985c43c686d0c1f4f605d50e5
Link:
https://www.unpac.me/results/a7a48fdc-eb2c-4a92-b87d-945b599207fc/
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:AgentTeslaV3
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
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Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

Executable exe 800de052c0fa373e0df12a82d5b061fea2285dfde7e631e23961cffe079f8f3b

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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