MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e88baf5acfd1ae0f89bf1d218b175ae310fc114e05a9381f3a0cccb5f9baa4fa. 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: e88baf5acfd1ae0f89bf1d218b175ae310fc114e05a9381f3a0cccb5f9baa4fa
SHA3-384 hash: f56264d6e0943af62a1ba6648e599d0bf86e90f48155906c872ae648e0c86674e3fca3911ff6cc39b153418d1943c12e
SHA1 hash: 38db8eecf27a76f90d3112adf3fc51fd5f148268
MD5 hash: 75ab15fbca47afe46edcdf780e735202
humanhash: cold-dakota-east-gee
File name:Wire Transfer_50%.scr
Download: download sample
Signature AgentTesla
File size:718'856 bytes
First seen:2024-05-29 10:56:31 UTC
Last seen:2024-05-29 11:38:51 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 12288:QtUXc8hhznQlr9PR/y/BFI4z9/qEROHHYT3QxedCTbwaGPZMX7yaZrcod24kR:DhzQlr9PZE24z9CERgMgxv9kZd
Threatray 1'990 similar samples on MalwareBazaar
TLSH T15EE4F089760432DFC823CD729AA86C65EA613477571BD343A05721EEAA4CADBCF141F3
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)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
342
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
e88baf5acfd1ae0f89bf1d218b175ae310fc114e05a9381f3a0cccb5f9baa4fa.exe
Verdict:
Malicious activity
Analysis date:
2024-05-29 10:57:06 UTC
Tags:
agenttesla stealer

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

Behaviour
Connection attempt
Sending a custom TCP request
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
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
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)
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 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448842 Sample: Wire Transfer_50%.scr.exe Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 44 smtp.yubacuba.online 2->44 46 us2.smtp.mailhostbox.com 2->46 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 14 other signatures 2->62 8 Wire Transfer_50%.scr.exe 7 2->8         started        12 OKjoIWDGTv.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\OKjoIWDGTv.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpD7F8.tmp, XML 8->42 dropped 64 Writes to foreign memory regions 8->64 66 Allocates memory in foreign processes 8->66 68 Adds a directory exclusion to Windows Defender 8->68 70 Injects a PE file into a foreign processes 8->70 14 RegSvcs.exe 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        72 Antivirus detection for dropped file 12->72 74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        28 RegSvcs.exe 12->28         started        signatures6 process7 dnsIp8 48 us2.smtp.mailhostbox.com 208.91.199.223, 25 PUBLIC-DOMAIN-REGISTRYUS United States 14->48 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->78 80 Loading BitLocker PowerShell Module 18->80 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        50 208.91.198.143, 25 PUBLIC-DOMAIN-REGISTRYUS United States 24->50 52 208.91.199.224, 25 PUBLIC-DOMAIN-REGISTRYUS United States 24->52 54 208.91.199.225, 25 PUBLIC-DOMAIN-REGISTRYUS United States 24->54 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 38 conhost.exe 26->38         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-05-28 09:42:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
73113abdadefd54e02f0d3f3aec21c31e96b315dc2ad6ae7d725cd5197e97c48
MD5 hash:
ae27d0d76e10c13d9dc0ad2a6b147756
SHA1 hash:
f1a4bc030b4476ac1450cc797213e34f567dd434
SH256 hash:
4ed3b0a80feebddd6441815ea99334d7eab55813713a9aa2953412b767405bb8
MD5 hash:
e472f83fa7fb92da892e8ebda9d92112
SHA1 hash:
af8477c3b9530134042aed375122d395d91879e8
SH256 hash:
a1ec9e8b9abce340032d30a9d9e0e1bc9cc3175227d32efecf2507561f0b7c10
MD5 hash:
882cb358d16f3b86e78ac0f288c6c580
SHA1 hash:
9e3f5bc711571a97be492c8f3dc20e9af2c8195e
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:
a46e3050e30302ddee21a880f5939144e929dfc544228f36abccb77aeea437d3
MD5 hash:
e7b432144034d82b6dc4153eec41055b
SHA1 hash:
41325717eb89b771ce35bd4808bfbf2594e5fc25
SH256 hash:
9ca19dfb4e900f0f08bb644111a73553b0c79652defe6c29eb4f2bfc87e231ca
MD5 hash:
c727dd7bb64665b262e5a1dc6e008770
SHA1 hash:
27e3e26109f51b8a6d84dc493856ac73538cfbc0
SH256 hash:
e88baf5acfd1ae0f89bf1d218b175ae310fc114e05a9381f3a0cccb5f9baa4fa
MD5 hash:
75ab15fbca47afe46edcdf780e735202
SHA1 hash:
38db8eecf27a76f90d3112adf3fc51fd5f148268
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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_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_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 e88baf5acfd1ae0f89bf1d218b175ae310fc114e05a9381f3a0cccb5f9baa4fa

(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