MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf751cb4c13035d05f57da209d775efb4687be49d5861cc8a51ef78ed567c1a8. 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 5 File information Comments

SHA256 hash: cf751cb4c13035d05f57da209d775efb4687be49d5861cc8a51ef78ed567c1a8
SHA3-384 hash: 3f7d9d6b864b8afaa118d5d01f979370d7976149a06fab76b4777515a97d38656321255c3ed2174c0c3dd7bd70dddc64
SHA1 hash: 3a2f5e70ebc91e250b955d3a108124f16af98852
MD5 hash: 241dc6c6202324621d67ace75418b8dd
humanhash: apart-rugby-pluto-bluebird
File name:MerchantDetailedStatement_37063_04122024.exe
Download: download sample
Signature AgentTesla
File size:708'608 bytes
First seen:2024-12-05 10:48:14 UTC
Last seen:2024-12-08 01:10:29 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 12288:/73FXtjMQLr9imiD6WMOCxSLpy4S8Zm7aAyde34RZhEgnC3MzRLZDYoZ7WBysqEn:/7XMQ/Uasy4jZm7GdwkZhjnpdYo
TLSH T1F6E4D09C7600F44FC942CA754EB0ED74A6686DBA9707D30396DB1DEFF94E9868E040E2
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
File icon (PE):PE icon
dhash icon b270e4f0f0f0d0e8 (12 x Formbook, 5 x AgentTesla, 1 x SnakeKeylogger)
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
450
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
MerchantDetailedStatement_37063_04122024.exe
Verdict:
Malicious activity
Analysis date:
2024-12-05 10:52:22 UTC
Tags:
evasion telegram exfiltration stealer agenttesla ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
infosteal virus gates shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1569048 Sample: MerchantDetailedStatement_3... Startdate: 05/12/2024 Architecture: WINDOWS Score: 100 28 api.telegram.org 2->28 30 api.ipify.org 2->30 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Multi AV Scanner detection for submitted file 2->40 44 8 other signatures 2->44 8 MerchantDetailedStatement_37063_04122024.exe 4 2->8         started        signatures3 42 Uses the Telegram API (likely for C&C communication) 28->42 process4 file5 26 MerchantDetailedSt...63_04122024.exe.log, ASCII 8->26 dropped 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->46 48 Adds a directory exclusion to Windows Defender 8->48 50 Injects a PE file into a foreign processes 8->50 12 MerchantDetailedStatement_37063_04122024.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        18 MerchantDetailedStatement_37063_04122024.exe 8->18         started        20 MerchantDetailedStatement_37063_04122024.exe 8->20         started        signatures6 process7 dnsIp8 32 api.telegram.org 149.154.167.220, 443, 49709 TELEGRAMRU United Kingdom 12->32 34 api.ipify.org 104.26.13.205, 443, 49707 CLOUDFLARENETUS United States 12->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Tries to steal Mail credentials (via file / registry access) 12->54 56 Tries to harvest and steal ftp login credentials 12->56 60 2 other signatures 12->60 58 Loading BitLocker PowerShell Module 16->58 22 WmiPrvSE.exe 16->22         started        24 conhost.exe 16->24         started        signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-12-05 03:52:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unknown_loader_037 agenttesla
Similar samples:
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection discovery execution keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Agenttesla family
Malware Config
C2 Extraction:
https://api.telegram.org/bot5834796283:AAGrwY-Kkn2VgcNc7OCI3d_ssicyDA9JZcg/
Verdict:
Suspicious
Tags:
External_IP_Lookup
YARA:
n/a
Unpacked files
SH256 hash:
7cf408d10908990f641dcca92d1c28cea58f111e57ff55aec059e4c194f6d5ed
MD5 hash:
a244b2b0ca839d5c1cb42575bc8f89d2
SHA1 hash:
911f625585737bcd51e1ab85def4d19eefa0f3a7
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
8c60db4a7fb86932e648d746f942fe4d44b3f2af25acd838328a51e664e65d19
MD5 hash:
a43fb7b1b5b70f9f31f610848276fc83
SHA1 hash:
2241489daa9269e6822d5500b59f73c0eccc4609
Detections:
AgentTeslaXorStringsNet MSIL_SUSP_OBFUSC_XorStringsNet INDICATOR_EXE_Packed_GEN01
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
SH256 hash:
cf751cb4c13035d05f57da209d775efb4687be49d5861cc8a51ef78ed567c1a8
MD5 hash:
241dc6c6202324621d67ace75418b8dd
SHA1 hash:
3a2f5e70ebc91e250b955d3a108124f16af98852
Malware family:
AgentTesla.v4
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: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.

Malspam

AgentTesla

Executable exe cf751cb4c13035d05f57da209d775efb4687be49d5861cc8a51ef78ed567c1a8

(this sample)

  
Delivery method
Other

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