MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02. 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: 18


Intelligence 18 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02
SHA3-384 hash: 95d5e590fef81806846f4b9828ba2a4695470e30c2444208080bc2e1c2e1c85ba729ba708fb5abe2dd74a709510cc581
SHA1 hash: fbcfc9e928106d579ac219148d15383fa91e96e1
MD5 hash: 6342a0887b2b3c1275049c07308e1135
humanhash: emma-spring-idaho-paris
File name:Cotizaci�n.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'030'656 bytes
First seen:2026-01-30 14:32:55 UTC
Last seen:2026-01-30 15:28:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 24576:JDgRsXOOCV57mB6G3D9zgdM0TS87bmXjyTXXQpBbJhh7CH:JDzOrpmBRz0KXcaDg
Threatray 3'467 similar samples on MalwareBazaar
TLSH T11325128426ACDB13C67247F89932D070A7796C9CB956E20B1FD63EEFB479B004969703
TrID 35.4% (.EXE) Win64 Executable (generic) (10522/11/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4504/4/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d04c59a0-3015-40a4-8cc7-87cdafee8b58/
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Cotizaci�n.exe
Verdict:
Malicious activity
Analysis date:
2026-01-30 14:35:06 UTC
Tags:
auto-startup stealer ftp agenttesla exfiltration evasion susp-lnk
Link:
https://app.any.run/tasks/75128116-5fb8-464f-9277-22c20d034652

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697cc13d9a17da7683b49b4a
Tags:
autorun lien
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context krypt obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/697cc1382ffccda097644363/reports/dbeef72c-5528-4008-aca2-84673ba27b3b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-30T08:37:00Z UTC
Last seen:
2026-01-31T12:46:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Agensla.TCP.C&C Trojan-PSW.Win32.Disco.sb HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.WinLNK.Powecod.e Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Crypt.sb PDM:Trojan.Win32.Generic Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Agent.sb HEUR:Backdoor.MSIL.Remcos.gen Trojan-PSW.MSIL.Agensla.sb Trojan-PSW.MSIL.Agensla.g Trojan-PSW.MSIL.Agensla.d Trojan.MSIL.Inject.sb Trojan.MSIL.Agent.sb Exploit.Agent.FTP.C&C
Link:
https://opentip.kaspersky.com/ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02/results?tab=lookup
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c123ac3d-b189-43e7-b0c5-69c5562df534
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1860560
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
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)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Suspicious powershell command line found
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 steal Mail credentials (via file / registry access)
Windows shortcut file (LNK) contains suspicious command line arguments
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1860560 Sample: Cotizaci#Ufffdn.exe Startdate: 30/01/2026 Architecture: WINDOWS Score: 100 39 ip-api.com 2->39 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 8 Cotizaci#Ufffdn.exe 7 2->8         started        12 powershell.exe 15 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\ZoRodASOtns.exe, PE32 8->31 dropped 33 C:\Users\...\ZoRodASOtns.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\...\Cotizaci#Ufffdn.exe.log, ASCII 8->35 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->51 53 Adds a directory exclusion to Windows Defender 8->53 55 2 other signatures 8->55 14 powershell.exe 23 8->14         started        17 Cotizaci#Ufffdn.exe 15 2 8->17         started        20 ZoRodASOtns.exe 5 12->20         started        22 conhost.exe 1 12->22         started        signatures6 process7 dnsIp8 61 Loading BitLocker PowerShell Module 14->61 24 conhost.exe 14->24         started        26 WmiPrvSE.exe 14->26         started        37 ip-api.com 208.95.112.1, 49690, 49697, 80 TUT-ASUS United States 17->37 63 Tries to steal Mail credentials (via file / registry access) 17->63 65 Multi AV Scanner detection for dropped file 20->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->67 69 Injects a PE file into a foreign processes 20->69 28 ZoRodASOtns.exe 14 2 20->28         started        signatures9 process10 signatures11 57 Tries to steal Mail credentials (via file / registry access) 28->57 59 Tries to harvest and steal browser information (history, passwords, etc) 28->59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02
Gathering data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Suspicious
First seen:
2026-01-30 12:55:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
13 of 24 (54.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vujr6wg7fo3yjtdrqkrk7mjmpw6jye43zweb3ej6w53w5gzztqba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
938d90bf1bb3fcb3c7352990f0c05603b0208bee21b6e3d02b5f0cab97f7f35d
AgentTesla
a515fd4ef2d7b5c1d60af04da2e2138036f493ce5d02d1491354560b718f80ce
AgentTesla
d6fc5f9611c4d44858277a1c792ef65f864b0933a5abd3ed0d209714a8be6aaa
AgentTesla
d98a372deb31439799f2cfdf7a8a0421d71d8c6dc9a2144ba7bcc6894c14f5b2
AgentTesla
+ 3'457 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/260130-rw7aksdw3d/
Behaviour
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02
MD5 hash:
6342a0887b2b3c1275049c07308e1135
SHA1 hash:
fbcfc9e928106d579ac219148d15383fa91e96e1
Link:
https://www.unpac.me/results/b1c10730-be3d-48f9-9afc-7273215a3d63/
SH256 hash:
8bfff2ae1eb1169fd0a44328448f191fc7964e704106a14e5bf85c10edd442d5
MD5 hash:
96fe5ae53a158cddd562e60d7afaa3ce
SHA1 hash:
01c2f9f4b59bc90c42c822545d4579a9a04558ee
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b1c10730-be3d-48f9-9afc-7273215a3d63/
SH256 hash:
77a22aa49513f0424017549f49bcf531c73e728d00d509fbb144b201ce4e0bcb
MD5 hash:
fab9060d31e97662094a2c13835d6418
SHA1 hash:
04b7d52b2d4cd289effe0f8b506367397dd6de0e
Link:
https://www.unpac.me/results/b1c10730-be3d-48f9-9afc-7273215a3d63/
SH256 hash:
2cbe0104d0a55f21c2f0e895a50df2ffdbdebfe2e020c7b5dead6aaeb233467e
MD5 hash:
6e709eef0402edad04464e90fd7b700d
SHA1 hash:
7b78f8a790bcbb4febf73b1dc77abbb4de9ab099
Detections:
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
Link:
https://www.unpac.me/results/b1c10730-be3d-48f9-9afc-7273215a3d63/
Parent samples :
a515fd4ef2d7b5c1d60af04da2e2138036f493ce5d02d1491354560b718f80ce
95f214d4e4b557548f2077ed9ab2f260471326b442a45824db16ec7c58fe0900
8a3fe2533d9c2036dd92b2b437b8d1ca237308d4383cdfb4cf13eadd9012060a
6fc591dec9831bfce04458d407a74f24728019a03ac61a8aa0cbc64791c68d63
ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ad131f58df2b/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/ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02

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:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
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 ad131f58df2bb784cc7182a2afb12c7dbc9c139bcd881d913eb7776e9b399c02

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/50876/

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