MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 405832c40918da8ad82482319361d443a19cb05d8834e0258e5c54bf11faae84. 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 8 File information Comments

SHA256 hash: 405832c40918da8ad82482319361d443a19cb05d8834e0258e5c54bf11faae84
SHA3-384 hash: 36268226717a504fc3089bba5c86220f04f627b96c4cf4677e0f9787533d2be3a48514b3374e7d375f14e1d716d765a3
SHA1 hash: ff514c4f55dc70f5d1914fcf7118f24fd636e8a2
MD5 hash: 3b2e54913c8b29ce886c8b36f8dd0cfc
humanhash: pip-colorado-oven-wisconsin
File name:Ref#0503711.exe
Download: download sample
Signature AgentTesla
File size:1'907'648 bytes
First seen:2024-10-07 16:03:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:RFXZRd8cSc710RxibZkpQuiQcWpn0JGgKD:/XPmct7uMqn0QD
Threatray 708 similar samples on MalwareBazaar
TLSH T1DB95BE3E699D4DA6EACF57B9848E4928F3EB584B8E438F1D13C16DEB118230524C2D5F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
File icon (PE):PE icon
dhash icon f29296968e9e9ea6 (60 x AgentTesla, 37 x RedLineStealer, 35 x Formbook)
Reporter JAMESWT_WT
Tags:AgentTesla booking exe Spam-ITA

Intelligence


File Origin
# of uploads :
1
# of downloads :
443
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Ref#0503711.exe
Verdict:
Malicious activity
Analysis date:
2024-10-07 16:10:20 UTC
Tags:
evasion stealer agenttesla exfiltration smtp netreactor crypto-regex ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
Infosteal Vmdetect
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm invalid-signature overlay packed signed
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.
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
AI detected suspicious sample
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1528272 Sample: Ref#0503711.exe Startdate: 07/10/2024 Architecture: WINDOWS Score: 100 36 tempfiles.ninja 2->36 38 api.ipify.org 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 10 Ref#0503711.exe 1 6 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Roaming\ioibrzb.exe, PE32 10->30 dropped 32 C:\Users\user\AppData\Local\Temp\docdd.exe, PE32 10->32 dropped 34 C:\Users\user\...\ioibrzb.exe:Zone.Identifier, ASCII 10->34 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->60 62 Injects a PE file into a foreign processes 10->62 14 Ref#0503711.exe 14 2 10->14         started        18 docdd.exe 15 6 10->18         started        signatures6 process7 dnsIp8 40 162.254.34.31, 49733, 587 VIVIDHOSTINGUS United States 14->40 42 api.ipify.org 172.67.74.152, 443, 49732 CLOUDFLARENETUS United States 14->42 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->64 66 Tries to steal Mail credentials (via file / registry access) 14->66 68 Tries to harvest and steal ftp login credentials 14->68 70 Tries to harvest and steal browser information (history, passwords, etc) 14->70 44 tempfiles.ninja 104.21.56.249, 443, 49731 CLOUDFLARENETUS United States 18->44 28 C:\Users\user\AppData\...\tmp2083.tmp.exe, PE32 18->28 dropped 72 Machine Learning detection for dropped file 18->72 21 tmp2083.tmp.exe 2 18->21         started        file9 signatures10 process11 signatures12 54 Machine Learning detection for dropped file 21->54 56 Injects a PE file into a foreign processes 21->56 24 tmp2083.tmp.exe 21->24         started        process13 process14 26 WerFault.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.GenSteal
Status:
Malicious
First seen:
2024-10-07 16:02:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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
Downloads MZ/PE file
AgentTesla
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
agent_tesla
YARA:
n/a
Unpacked files
SH256 hash:
75069f0a637ce0f5d9fa0a8fe819ea6cb5e9364a689415dd7b5054d987571175
MD5 hash:
7862826bc8c428d143e91c29e261111b
SHA1 hash:
44b2c55ac9283228064bbf3516ce80e4a9938ce0
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
405832c40918da8ad82482319361d443a19cb05d8834e0258e5c54bf11faae84
MD5 hash:
3b2e54913c8b29ce886c8b36f8dd0cfc
SHA1 hash:
ff514c4f55dc70f5d1914fcf7118f24fd636e8a2
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Malware family:
AgentTesla
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

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

Comments