MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4e27780b02fa1244ec4a9ee9b5dd44c82e034068b2376d08553376a5ae2befb. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: b4e27780b02fa1244ec4a9ee9b5dd44c82e034068b2376d08553376a5ae2befb
SHA3-384 hash: 686074c6ca7f4da6f74b243135aeea9a5bfff60062750d6685d1b4894ac080db7803d1b6162ab976a04107fc3ce33336
SHA1 hash: ea3069bd64a5620bf159c1b07c8dbf99b21b5547
MD5 hash: f21870cbbf6e9b64ac35f73989f454d7
humanhash: robin-moon-hot-lamp
File name:Oivgenlgaxqnfdx.exe
Download: download sample
Signature AgentTesla
File size:1'879'552 bytes
First seen:2025-12-11 09:08:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fa2feb22a20b2e230c1720677e5f95e6 (2 x a310Logger, 1 x AgentTesla, 1 x RemcosRAT)
ssdeep 24576:UFv0HsY7PrpOIMHVRQfXdEJOY+wekQtxmp5GrxAypLoWqjDS1VZB:Mk3ZMvQfXdlc5GXejGbB
TLSH T12D95CF836FA0FCAFC1226877A80EF68D080E3D6E7ED4960776CD6A49CB575411626DC3
TrID 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
28.2% (.EXE) Win64 Executable (generic) (10522/11/4)
12.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 08091c1c0a0a0509 (5 x RemcosRAT, 2 x a310Logger, 1 x AgentTesla)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
200
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
DBatLoader
Details
DBatLoader
a decrypted component, an egg, and a payload Sub-key
DBatLoader
if a parent component is present: a download URL or extracted component, configuration eggs, and configuration decryption key
Malware family:
agenttesla
ID:
1
File name:
_b4e27780b02fa1244ec4a9ee9b5dd44c82e034068b2376d08553376a5ae2befb.exe
Verdict:
Malicious activity
Analysis date:
2025-12-11 09:08:50 UTC
Tags:
delphi auto-sch evasion stealer ultravnc rmm-tool agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
delphi emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug borland_delphi fingerprint installer-heuristic keylogger modiloader overlay overlay packed zero
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-11T05:42:00Z UTC
Last seen:
2025-12-13T07:13:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Shellcode.sb HEUR:Trojan.Win32.Generic HEUR:Trojan.Win32.DelfInject.gen
Result
Threat name:
AgentTesla, DBatLoader, DonutLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Early bird code injection technique detected
Found malware configuration
Joe Sandbox ML detected suspicious 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)
Queues an APC in another process (thread injection)
Sigma detected: Execution from Suspicious Folder
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)
Unusual module load detection (module proxying)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected DBatLoader
Yara detected DonutLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1830828 Sample: Oivgenlgaxqnfdx.exe Startdate: 11/12/2025 Architecture: WINDOWS Score: 100 26 ftp.antoniomayol.com 2->26 28 antoniomayol.com 2->28 30 ip-api.com 2->30 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 8 Oivgenlgaxqnfdx.exe 2 2->8         started        11 rundll32.exe 3 2->11         started        signatures3 process4 signatures5 52 Early bird code injection technique detected 8->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Writes to foreign memory regions 8->56 58 5 other signatures 8->58 13 SndVol.exe 15 2 8->13         started        17 schtasks.exe 1 8->17         started        19 Oivgenlga.exe 11->19         started        process6 dnsIp7 32 antoniomayol.com 162.241.62.63, 21, 42589, 49688 UNIFIEDLAYER-AS-1US United States 13->32 34 ip-api.com 208.95.112.1, 49687, 49689, 80 TUT-ASUS United States 13->34 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->62 64 Tries to steal Mail credentials (via file / registry access) 13->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->66 21 conhost.exe 17->21         started        68 Early bird code injection technique detected 19->68 70 Allocates memory in foreign processes 19->70 72 Allocates many large memory junks 19->72 74 Unusual module load detection (module proxying) 19->74 23 SndVol.exe 2 19->23         started        signatures8 process9 signatures10 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->44 46 Tries to steal Mail credentials (via file / registry access) 23->46 48 Tries to harvest and steal ftp login credentials 23->48 50 Tries to harvest and steal browser information (history, passwords, etc) 23->50
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.DBatLoader
Status:
Malicious
First seen:
2025-12-11 09:08:20 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
dbatloader donutloader
Similar samples:
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:agenttesla family:modiloader discovery execution keylogger persistence spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Looks up external IP address via web service
ModiLoader Second Stage
AgentTesla
Agenttesla family
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
AgentTesla External_IP_Lookup
YARA:
n/a
Unpacked files
SH256 hash:
b4e27780b02fa1244ec4a9ee9b5dd44c82e034068b2376d08553376a5ae2befb
MD5 hash:
f21870cbbf6e9b64ac35f73989f454d7
SHA1 hash:
ea3069bd64a5620bf159c1b07c8dbf99b21b5547
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
Malware family:
DonutLoader
Verdict:
Malicious
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

AgentTesla

Executable exe b4e27780b02fa1244ec4a9ee9b5dd44c82e034068b2376d08553376a5ae2befb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments