MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872. 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 20 File information Comments

SHA256 hash: 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872
SHA3-384 hash: ec4b7f608152478fc4bf346a42d41125c9d3470f4822879b605dc09f5c7b0485f4aba3e2bb8c50e8f5936be201bdb092
SHA1 hash: 2457d885e21e903b9429b83269e7a0256556a835
MD5 hash: cdb9b4f4ed7d8dccb32ce06504e602ac
humanhash: montana-missouri-sink-idaho
File name:MOLEX 436500304-10000.exe
Download: download sample
Signature AgentTesla
File size:1'163'264 bytes
First seen:2024-05-23 13:09:09 UTC
Last seen:2024-05-23 13:32:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:7ZDbNjDaC9cAUzgNnDVU6dQ9Xcdrx3jtW:7HjDZWAnhU6dzda
Threatray 3'896 similar samples on MalwareBazaar
TLSH T1F635E33D18FD2A229120D6A4CFE1C663F150F4FA3563982299D24755474BE9BBEC323E
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)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
323
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
Verdict:
Malicious activity
Analysis date:
2024-05-23 13:14:38 UTC
Tags:
evasion smtp exfiltration stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Generic Infostealer Network Static Stealth Gensteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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 potential unpacker
.NET source code contains very large strings
AI detected suspicious sample
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
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)
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 Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1446499 Sample: MOLEX 436500304-10000.exe Startdate: 23/05/2024 Architecture: WINDOWS Score: 100 33 mail.medicalhome.com.pe 2->33 35 ip-api.com 2->35 37 medicalhome.com.pe 2->37 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 12 other signatures 2->59 7 MOLEX 436500304-10000.exe 3 2->7         started        10 GrOcCQC.exe 3 2->10         started        12 GrOcCQC.exe 2 2->12         started        signatures3 process4 signatures5 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->61 63 Injects a PE file into a foreign processes 7->63 14 MOLEX 436500304-10000.exe 16 5 7->14         started        65 Multi AV Scanner detection for dropped file 10->65 67 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->69 71 Machine Learning detection for dropped file 10->71 19 GrOcCQC.exe 14 2 10->19         started        21 GrOcCQC.exe 10->21         started        23 GrOcCQC.exe 10->23         started        25 GrOcCQC.exe 2 12->25         started        27 GrOcCQC.exe 12->27         started        process6 dnsIp7 39 ip-api.com 208.95.112.1, 49699, 49706, 49714 TUT-ASUS United States 14->39 41 medicalhome.com.pe 144.217.159.195, 49702, 49708, 49715 OVHFR Canada 14->41 29 C:\Users\user\AppData\Roaming\...behaviorgraphrOcCQC.exe, PE32 14->29 dropped 31 C:\Users\user\...behaviorgraphrOcCQC.exe:Zone.Identifier, ASCII 14->31 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->43 45 Tries to steal Mail credentials (via file / registry access) 14->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->47 49 Tries to harvest and steal ftp login credentials 25->49 51 Tries to harvest and steal browser information (history, passwords, etc) 25->51 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-05-23 09:45:11 UTC
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
AgentTesla
Unpacked files
SH256 hash:
0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303
MD5 hash:
0441cc0dacc6d821252e66a156b1d9bd
SHA1 hash:
df46cc702950a53a5de7b804d2076ef03f8ac6b4
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
SH256 hash:
f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678
MD5 hash:
c8abfd532a42ea366b12a6589b20e059
SHA1 hash:
1ee4bbea603845555ff876570c252fb2359af5f0
Detections:
AgentTesla win_cannon_auto win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
5f23ef238d14e8bfe8f3dbe8a57716888ad739e9e98227c2e8f232970ab94d97
MD5 hash:
918bc8d8d4f4e2d1f780a8a0eaa7fe20
SHA1 hash:
120d079fe11ff92df567a21980fa320bab24e45a
SH256 hash:
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872
MD5 hash:
cdb9b4f4ed7d8dccb32ce06504e602ac
SHA1 hash:
2457d885e21e903b9429b83269e7a0256556a835
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:win_cannon_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

AgentTesla

Executable exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872

(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 (HIGH_ENTROPY_VA)high

Comments