MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ef2b9d87399cd369deb211f239696ad618c5e4c51888fb31d2c573e1d8b8e53. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash: 0ef2b9d87399cd369deb211f239696ad618c5e4c51888fb31d2c573e1d8b8e53
SHA3-384 hash: efdfb360b97b8e1668805957cd7f808b90efc08a5afada5d3cd18d840108cdaa31bca3ce24554c4abb5c680a0a9d8cf9
SHA1 hash: 27f6f4bc08a6f2db16e6ad4f9535d1608cf3dffc
MD5 hash: 33825d8eca89174f03703c3f5590574d
humanhash: mirror-single-bravo-beer
File name:Urgent PO 18-3081 Confirmation.exe
Download: download sample
Signature AgentTesla
File size:729'088 bytes
First seen:2024-04-23 06:10:39 UTC
Last seen:2024-04-23 06:32:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PyU3hF9WMiAzaIGZzVUNB68FnH4o6Gpd3VFnqVi4K/9eMiRFLPnG818CMN8y7+z:aUx2MTfwSNBS3HKTiRd/9vN
Threatray 994 similar samples on MalwareBazaar
TLSH T11FF402520278CF6EEBD59DB0F808262A437682C93565EEF0DB12A8CD7F07B035159A77
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 a4d0acacecf87a98 (2 x Formbook, 1 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
377
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
0ef2b9d87399cd369deb211f239696ad618c5e4c51888fb31d2c573e1d8b8e53.exe
Verdict:
Malicious activity
Analysis date:
2024-04-23 06:41:39 UTC
Tags:
smtp exfiltration stealer agenttesla

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

Behaviour
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
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Allocates memory in foreign processes
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
Loading BitLocker PowerShell Module
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: 1430151 Sample: Urgent PO 18-3081 Confirmat... Startdate: 23/04/2024 Architecture: WINDOWS Score: 100 55 us2.smtp.mailhostbox.com 2->55 57 api.ipify.org 2->57 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 9 other signatures 2->69 8 Urgent PO 18-3081 Confirmation.exe 7 2->8         started        12 OAVqKGhBJ.exe 5 2->12         started        14 mpTrle.exe 2->14         started        16 mpTrle.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\OAVqKGhBJ.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp2246.tmp, XML 8->53 dropped 85 Writes to foreign memory regions 8->85 87 Allocates memory in foreign processes 8->87 89 Adds a directory exclusion to Windows Defender 8->89 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        35 2 other processes 8->35 91 Multi AV Scanner detection for dropped file 12->91 93 Injects a PE file into a foreign processes 12->93 27 RegSvcs.exe 12->27         started        29 schtasks.exe 12->29         started        37 3 other processes 12->37 31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 59 us2.smtp.mailhostbox.com 208.91.199.224, 49709, 49713, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->59 61 api.ipify.org 172.67.74.152, 443, 49708, 49712 CLOUDFLARENETUS United States 18->61 49 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 18->49 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 73 Loading BitLocker PowerShell Module 23->73 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 25->43         started        75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->75 77 Tries to steal Mail credentials (via file / registry access) 27->77 79 Tries to harvest and steal ftp login credentials 27->79 81 Tries to harvest and steal browser information (history, passwords, etc) 27->81 45 conhost.exe 29->45         started        83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->83 47 conhost.exe 35->47         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-04-22 17:46:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
bcd955da1a8f1efaced4d489f401719f6e4aeeecd0f431652dccd152889692d2
MD5 hash:
a51ec93c9ce000c1103445ec6f83661b
SHA1 hash:
947f73c080d9226b8fe770e3f8c84d8e0fa6b5e3
SH256 hash:
3fa0e73845e326b338b8393c4cad1d5c3dde1588b02811ad37621fe744fcae00
MD5 hash:
e1706fa993408403e49ae06447f00c24
SHA1 hash:
901ee3790d15a28ba86d221501e86e5c30c8ac66
SH256 hash:
49834fca6ecc3b86e0d7e4ffd9cf8dcfa6a06b7c0d137d3772c7629b0d40813d
MD5 hash:
f05122a8b81c9cc20e409183ab288d33
SHA1 hash:
826653f951652716ebaa8f0dfc38a53904dbd144
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:
653799229221c1d8b8555659b35faf8c564dd6aaa55222f5a709c045309c3ed8
MD5 hash:
f610dd82260fcb9e9c91cc9c712d6d54
SHA1 hash:
7a3756ee0448aa008aa84b7b55c7924a3ab861a4
SH256 hash:
0ef2b9d87399cd369deb211f239696ad618c5e4c51888fb31d2c573e1d8b8e53
MD5 hash:
33825d8eca89174f03703c3f5590574d
SHA1 hash:
27f6f4bc08a6f2db16e6ad4f9535d1608cf3dffc
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: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_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 0ef2b9d87399cd369deb211f239696ad618c5e4c51888fb31d2c573e1d8b8e53

(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 (GUARD_CF)high

Comments