MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3. 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 21 File information Comments

SHA256 hash: 7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3
SHA3-384 hash: 3b9c0046fc65ffe6826e74d071bfdc9272d09ca22711c7bae7f25a7f0f3361664aa20d443132ef66d89320363965b9d5
SHA1 hash: c757fbb281a8b883974740f6343244c54aa21c14
MD5 hash: f350551099a8fc532cb883bdc55e31bd
humanhash: floor-golf-red-high
File name:Wire Transfer Payment Copy #18-05-2024.exe
Download: download sample
Signature AgentTesla
File size:917'512 bytes
First seen:2024-05-22 08:11:20 UTC
Last seen:2024-05-22 08:18:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:BRVAfJWtb3BE1lMAzY0O14gZlcT6+C1MGQvn:TDZBEEAE0a4OlKmM5vn
Threatray 3'567 similar samples on MalwareBazaar
TLSH T12E15D0BD3253B5CFC81BD935C9554C24AA217DAB5307D643E1A3329C8A2EACACF145E3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 34ecc4d0f4e8c8d4 (6 x AgentTesla, 2 x StealeriumStealer, 1 x Formbook)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
486
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3.exe
Verdict:
Malicious activity
Analysis date:
2024-05-22 08:16:05 UTC
Tags:
evasion stealer agenttesla exfiltration

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

Behaviour
Creating a window
Сreating synchronization primitives
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
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Setting a keyboard event handler
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:
masquerade overlay 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
Adds a directory exclusion to Windows Defender
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)
Contains functionality to register a low level keyboard hook
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert 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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1445598 Sample: Wire Transfer Payment Copy ... Startdate: 22/05/2024 Architecture: WINDOWS Score: 100 42 mail.rushdi.ae 2->42 44 ip-api.com 2->44 46 api.ipify.org 2->46 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 19 other signatures 2->60 8 Wire Transfer Payment Copy #18-05-2024.exe 7 2->8         started        12 KXKyzZjhF.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\KXKyzZjhF.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp19EA.tmp, XML 8->40 dropped 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->62 64 Adds a directory exclusion to Windows Defender 8->64 66 Injects a PE file into a foreign processes 8->66 14 Wire Transfer Payment Copy #18-05-2024.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        68 Multi AV Scanner detection for dropped file 12->68 70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->72 74 2 other signatures 12->74 24 KXKyzZjhF.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 mail.rushdi.ae 162.144.15.164, 49714, 49718, 49722 UNIFIEDLAYER-AS-1US United States 14->48 50 ip-api.com 208.95.112.1, 49712, 49717, 80 TUT-ASUS United States 14->50 52 api.ipify.org 172.67.74.152, 443, 49710, 49716 CLOUDFLARENETUS United States 14->52 76 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->76 78 Installs a global keyboard hook 14->78 80 Loading BitLocker PowerShell Module 18->80 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->82 84 Tries to steal Mail credentials (via file / registry access) 24->84 86 Tries to harvest and steal ftp login credentials 24->86 88 Tries to harvest and steal browser information (history, passwords, etc) 24->88 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-05-20 08:45:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
AgentTesla
Unpacked files
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
SH256 hash:
c810097fa5eb370c74568731b316737817bc6f4eb34141263e41df3fd3650b55
MD5 hash:
3d96f1cd27a5901647a1435ebfb1307d
SHA1 hash:
723b7f327667d1fc69801d4d80097722a32c71c3
SH256 hash:
2ef04c867010782e883d62588629670264ea7ec4b07c4ce428cd853057cdfbc9
MD5 hash:
33639fecd5cae8e869a929ffa9d7684a
SHA1 hash:
5e714787a17703a79e8d62580e325392eb607293
Detections:
AgentTesla 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:
27ddc96465ac70b602e730ca4b28018a2875f5aca4215f3d8608b9defc8bf23d
MD5 hash:
1b2614489be216f14010dea5dee50dc5
SHA1 hash:
046c2462662dc3adea1c79121b4d865665850e23
SH256 hash:
7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3
MD5 hash:
f350551099a8fc532cb883bdc55e31bd
SHA1 hash:
c757fbb281a8b883974740f6343244c54aa21c14
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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_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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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: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:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


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

Malspam

AgentTesla

Executable exe 7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3

(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