MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8
SHA3-384 hash: 052d182dc486ad35b261f240d68b6bb10c47df52fb0a0851feb82b0c43768af82bf00ce64a8aa2dce2e250ffe42a59e4
SHA1 hash: 0e00ce978e64b7e667e9a38e83d66f609988296c
MD5 hash: ebfde93ecb90895ecb7b2dc3ca0e2c73
humanhash: west-robert-north-robin
File name:z10PS240556_Y070P_.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:498'688 bytes
First seen:2025-03-10 04:00:07 UTC
Last seen:2025-03-10 04:32:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:zPuSsVcljEKcsRyBPy5WjKWRibu9g/8n39QldJYdly//yw+U6OfSX2HWTilS49t:DfDpEFBVg1SQuKUntQlzAlPU60HWTi
Threatray 4'542 similar samples on MalwareBazaar
TLSH T1C2B402A8B95DD823EDE507B40972D37212AB9F9CE021D3CB4EE9ECF774413A120586D6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon f0e0e8e0f898d8f0 (6 x Formbook, 5 x SnakeKeylogger, 1 x AgentTesla)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
541
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
z10PS240556_Y070P_.exe
Verdict:
No threats detected
Analysis date:
2025-03-10 04:06:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a35e27f1-0a7a-4d38-96ec-17fd0f51012c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ce696a1f777fe306087bf3
Tags:
virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67ce63ce3c5f644bd94a7dce/reports/24f2c1e3-f80b-441d-a5c9-fb0fdd50b3e7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8
Result
Verdict:
SUSPICIOUS
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/54a11d77-b209-4b66-b391-2e2d959703d9
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1633246
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8/
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 03:06:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmq5ktcbf6d6q6apb5idsltg4n5v4cogyu65svjvdzwiprpn5o4a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
22d92af6c8a273dc5a9e69e37ccfb5ffe6e7d7f0c7a46ee6b9f7e5cb34402128
AgentTesla
32e7f235e8984eb5c256274003623b080eff219af52c266d1e87c5247f1c13ca
AgentTesla
5e9e96b9e53a7d849b545872cec08f3ec4dc1b2ce51c841f647a2212ecff5b3a
AgentTesla
602c89f6771cab55f5ec65aeaff614585d4cde2ff38f5751ca52fd062e871d19
AgentTesla
error
AgentTesla
+ 4'532 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250310-ekrdrssl17/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1a029e79-f21c-4b89-b296-5c955dfece7c
Unpacked files
SH256 hash:
4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8
MD5 hash:
ebfde93ecb90895ecb7b2dc3ca0e2c73
SHA1 hash:
0e00ce978e64b7e667e9a38e83d66f609988296c
Link:
https://www.unpac.me/results/2f42f23a-c779-4c92-be40-e30bb79b7771/
SH256 hash:
1ae70e9920316346f39648486fe46b70ea00f90b9595cfc0a78958cee45b9224
MD5 hash:
f0884d03aca538d5f2b208d9aaf7874c
SHA1 hash:
132212e8a27c756ae62d926f6b62c91e226e768a
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/2f42f23a-c779-4c92-be40-e30bb79b7771/
Parent samples :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 hash:
d065b061af0adf65ca855478965cf1dcf85fc380109d25318ff0898264020090
MD5 hash:
ef513e19abced6791829530b88999348
SHA1 hash:
18b11551040070cdf1fd6331386b6c3ae65cdf9f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2f42f23a-c779-4c92-be40-e30bb79b7771/
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/4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8

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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

AgentTesla

Executable exe 4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8

(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 (GUARD_CF)high

Comments