MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e91d389bcd7dbcd63860b1bbe09fbc006880616e113630acb2dff1d5a41efb6a. 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 16 File information Comments

SHA256 hash: e91d389bcd7dbcd63860b1bbe09fbc006880616e113630acb2dff1d5a41efb6a
SHA3-384 hash: 76c29ab9fd87226df5ecbacd63da70cafe8bcb0ff6e5a21a9aaee700779f030f5df28a29a645499e6e088784038c8bd7
SHA1 hash: 910d11dae17bdd87040236e5be2eac30abb04471
MD5 hash: e0f4226c8a03a6033b1ea0075056ad9a
humanhash: mississippi-monkey-helium-illinois
File name:HUHE34ED34U.exe
Download: download sample
Signature AgentTesla
File size:735'232 bytes
First seen:2024-03-26 22:15:00 UTC
Last seen:2024-03-27 00:37:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:da5WzrnDaFW0bfPdbef4XqXwK9Wfz+XTKg2Uzy9HOotXHisN:3fnDaFW0bfPo4XqXw8A9h9nL
Threatray 709 similar samples on MalwareBazaar
TLSH T164F4F19ACE804284DC6D6F7561731D79023BBEAABDB5B21D9E4C70742BB32D7003295B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
359
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
e91d389bcd7dbcd63860b1bbe09fbc006880616e113630acb2dff1d5a41efb6a.exe
Verdict:
Malicious activity
Analysis date:
2024-03-27 02:20:13 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Reading critical registry keys
Moving a file to the Program Files subdirectory
Replacing files
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:
keylogger 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, 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 signatures2 2 Behavior Graph ID: 1416123 Sample: HUHE34ED34U.exe Startdate: 26/03/2024 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 9 other signatures 2->46 7 HUHE34ED34U.exe 7 2->7         started        11 bhLUNIgOPx.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\...\bhLUNIgOPx.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp34B2.tmp, XML 7->38 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 7->50 52 Adds a directory exclusion to Windows Defender 7->52 54 Injects a PE file into a foreign processes 7->54 13 HUHE34ED34U.exe 2 7->13         started        16 powershell.exe 22 7->16         started        18 powershell.exe 23 7->18         started        20 schtasks.exe 1 7->20         started        56 Antivirus detection for dropped file 11->56 58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 22 bhLUNIgOPx.exe 11->22         started        24 schtasks.exe 11->24         started        signatures5 process6 signatures7 26 conhost.exe 16->26         started        28 WmiPrvSE.exe 16->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        62 Tries to steal Mail credentials (via file / registry access) 22->62 64 Tries to harvest and steal browser information (history, passwords, etc) 22->64 34 conhost.exe 24->34         started        process8
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-03-26 18:29:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b6febf9364b430f85d1a84ca321dd488abd2e95d0ab184779837fbd0527abf0f
MD5 hash:
ac92340b7c90c154fb183ae88c936899
SHA1 hash:
e9c706901be4cc71ee8eaffd1982fbf5060c1e24
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_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
934493ffcf84233432ef4b4bacc7e1e282acd7366505bc3050f619e6e3767f4c
MD5 hash:
6458eafa0681114ad4f98d4014223d76
SHA1 hash:
a8f40dd46897496cb5c286889748760f62fd79dd
SH256 hash:
01f02258ab8c25ddb14c37f55924afe9e68d136ecfbb5f36cf985d92d8912046
MD5 hash:
a5f802fa8b93060ead1b87774858b38e
SHA1 hash:
8fde40c0311d37519a875ea9fbe6c89361dbed1a
SH256 hash:
a69b4d410eb8d84a3d64b8e33f4226fcf874f2e5e4b4b1004c27fb115221acef
MD5 hash:
30f3f94f42305851ab3a6bb8ccdf7a5f
SHA1 hash:
4525fc5c465331fd9ab678bf3ccdd3d08650523c
Detections:
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
e91d389bcd7dbcd63860b1bbe09fbc006880616e113630acb2dff1d5a41efb6a
MD5 hash:
e0f4226c8a03a6033b1ea0075056ad9a
SHA1 hash:
910d11dae17bdd87040236e5be2eac30abb04471
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
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_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_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
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 e91d389bcd7dbcd63860b1bbe09fbc006880616e113630acb2dff1d5a41efb6a

(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

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