MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 673139dbfbd997edcebfe6d25b8cc2d006c59c752d89a84ef4136f1a5e876db0. 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 7 File information Comments

SHA256 hash: 673139dbfbd997edcebfe6d25b8cc2d006c59c752d89a84ef4136f1a5e876db0
SHA3-384 hash: 4f7259874fad27cc5cc47394f16506da3b95e5baf877696663be0dab9306012a300db1eb35eefd9f5e92506991081f1b
SHA1 hash: 5960b5f16ab291a5c5841867d3f734e1aaaf949e
MD5 hash: f11a7b9639092de01f260dd0aa21d39a
humanhash: vermont-magnesium-item-music
File name:Halkbank,doc.exe
Download: download sample
Signature AgentTesla
File size:1'037'312 bytes
First seen:2025-07-31 12:54:19 UTC
Last seen:2025-08-12 15:02:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:FWc23x7fYF7JcIwp9nVx1DZhmNHAZcdUnJ4MB:Fd23xMF7JcIwp9Vx1lhmNHecinJ3B
Threatray 18 similar samples on MalwareBazaar
TLSH T10C25011C63C8C405C6BF9376A0B2E171037ABD5BF978D36D06C9BCEB3AA1B025945726
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
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
66
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Halkbank,doc.exe
Verdict:
Malicious activity
Analysis date:
2025-07-31 14:13:42 UTC
Tags:
stealer evasion ultravnc rmm-tool auto-sch-xml exfiltration smtp agenttesla netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
micro spawn lien sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap confuserex fingerprint lolbin msbuild obfuscated packed packed reconnaissance regsvcs roboski schtasks stego vbc
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747820 Sample: Halkbank,doc.exe Startdate: 31/07/2025 Architecture: WINDOWS Score: 100 46 mail.dndmelectrical.co.za 2->46 48 ip-api.com 2->48 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 9 other signatures 2->60 8 Halkbank,doc.exe 7 2->8         started        12 zXSRQgEqQuQI.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\zXSRQgEqQuQI.exe, PE32 8->38 dropped 40 C:\Users\...\zXSRQgEqQuQI.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpFDF8.tmp, XML 8->42 dropped 44 C:\Users\user\...\Halkbank,doc.exe.log, ASCII 8->44 dropped 62 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Adds a directory exclusion to Windows Defender 8->68 14 Halkbank,doc.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        24 zXSRQgEqQuQI.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 50 mail.dndmelectrical.co.za 41.185.8.153, 49688, 49690, 587 GridhostZA South Africa 14->50 52 ip-api.com 208.95.112.1, 49687, 49689, 80 TUT-ASUS United States 14->52 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->70 72 Loading BitLocker PowerShell Module 18->72 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->74 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Tries to harvest and steal ftp login credentials 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 36 conhost.exe 26->36         started        signatures9 process10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.24 Win 32 Exe x86
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-07-31 13:47:06 UTC
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
673139dbfbd997edcebfe6d25b8cc2d006c59c752d89a84ef4136f1a5e876db0
MD5 hash:
f11a7b9639092de01f260dd0aa21d39a
SHA1 hash:
5960b5f16ab291a5c5841867d3f734e1aaaf949e
SH256 hash:
2b432775318122ec4898866f7eb1fc800b598dda4dafe6d900cc15abe4ef4407
MD5 hash:
ce62353936036b8dd3bbbae25d71b7f4
SHA1 hash:
58a015023fd4d7dac844525bd141f7c8d5e853e5
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
f11b4441490171c48c269e35bb7bb97f3d9bff4fbab48e9fdfc6b71f8639de39
MD5 hash:
89627aea9a65a1f08d26e9a0d88c0b0a
SHA1 hash:
8cb463c3b01efaa66ed7f6e080d6f79af5c89fc0
SH256 hash:
d7057f5be7a9de9d3bfc27914f791c6922d1034801d508a8852922bf9b160abe
MD5 hash:
1617858269530e8b035289f3986d8053
SHA1 hash:
4c47454460b0eb2f9b3494209826ba61a0a5e63e
Detections:
AgentTesla SUSP_OBF_NET_Reactor_Indicators_Jan24 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
e6368fd9f0251303da379b645086036326f57f27c0b1fb3e423388d0d174b06d
MD5 hash:
8579d2055a9459ca28a6d162f31202ee
SHA1 hash:
cb95d34021271a70fca78e6b30754c916adcd4c3
Detections:
AgentTesla SUSP_OBF_NET_Reactor_Indicators_Jan24 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

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

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