MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5857b336d7d9853e12a8396380a452b1ea5c390a0409fb58ee6e7e77d9aabe00. 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 19 File information Comments

SHA256 hash: 5857b336d7d9853e12a8396380a452b1ea5c390a0409fb58ee6e7e77d9aabe00
SHA3-384 hash: 4866a8c9e626a19e21572eb363b8f7a521d167004e130896b14afa178fa34c7f43f7c9f7e9f1594597dcafdcdfa1dc11
SHA1 hash: 4b401eebfab0a021d242ce7a1ff9c044d9813d10
MD5 hash: 3c162b1caa9b65084775199af23b06de
humanhash: enemy-coffee-comet-fillet
File name:Order 19A20060.exe
Download: download sample
Signature AgentTesla
File size:717'832 bytes
First seen:2024-02-27 09:07:04 UTC
Last seen:2024-02-27 10:17:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:LKbUmJCQ7VRKSynEJFuR6g28pXYC5kBB+Fh+YDliuXci7o/zrj68p+zBh3HG8kR:LKbUnQBcSynEJF428pB5kBX+liuXL8/X
TLSH T10FE4231853A9D362CEF6CB36167D32034B72728AA821FE565ED672E74685B400F0397F
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter cocaman
Tags:AgentTesla exe RFQ

Intelligence


File Origin
# of uploads :
2
# of downloads :
352
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
5857b336d7d9853e12a8396380a452b1ea5c390a0409fb58ee6e7e77d9aabe00.exe
Verdict:
Malicious activity
Analysis date:
2024-02-27 09:09:47 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm davinci 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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
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
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1399297 Sample: Order 19A20060.exe Startdate: 27/02/2024 Architecture: WINDOWS Score: 100 46 mail.elec-qatar.com 2->46 48 api.ipify.org 2->48 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 15 other signatures 2->60 8 SgJzugoOJvLgL.exe 5 2->8         started        11 Order 19A20060.exe 7 2->11         started        signatures3 process4 file5 62 Multi AV Scanner detection for dropped file 8->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->64 66 Machine Learning detection for dropped file 8->66 14 SgJzugoOJvLgL.exe 8->14         started        17 schtasks.exe 8->17         started        19 SgJzugoOJvLgL.exe 8->19         started        21 SgJzugoOJvLgL.exe 8->21         started        42 C:\Users\user\AppData\...\SgJzugoOJvLgL.exe, PE32 11->42 dropped 44 C:\Users\user\AppData\Local\...\tmp514A.tmp, XML 11->44 dropped 68 Adds a directory exclusion to Windows Defender 11->68 70 Injects a PE file into a foreign processes 11->70 23 Order 19A20060.exe 15 2 11->23         started        26 powershell.exe 22 11->26         started        28 powershell.exe 23 11->28         started        30 schtasks.exe 1 11->30         started        signatures6 process7 dnsIp8 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->72 74 Tries to steal Mail credentials (via file / registry access) 14->74 76 Tries to harvest and steal browser information (history, passwords, etc) 14->76 32 conhost.exe 17->32         started        50 mail.elec-qatar.com 50.87.139.143, 49735, 49739, 587 UNIFIEDLAYER-AS-1US United States 23->50 52 api.ipify.org 104.26.12.205, 443, 49734, 49738 CLOUDFLARENETUS United States 23->52 78 Installs a global keyboard hook 23->78 34 conhost.exe 26->34         started        36 WmiPrvSE.exe 26->36         started        38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-23 17:33:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
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 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
AgentTesla
Unpacked files
SH256 hash:
8b3ab238b122d29b6d0eea5c4dc9e85b81c7a1b1f8afcebebd81b93498bf54f6
MD5 hash:
e5b0bf84fe7a139f42e19ad27dcea78f
SHA1 hash:
7e18c0c607c51e06f559c9f5d90a93531b60ee3c
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:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
SH256 hash:
6c8cc4cd07ebadeeddfd40548d58b336bc58ab1557c26179b99807297ccf2bba
MD5 hash:
e1fc938d7d4c7ad13bbb4ca7b9ff5ca8
SHA1 hash:
3898ecb7fbeff5524e11b65daa90aca106634d95
SH256 hash:
42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b
MD5 hash:
100a8095e042378d2c227eb0ff37b6d4
SHA1 hash:
32c4a6457d7c01e9e135c3750d571114bc0ef3a0
SH256 hash:
6a7e3b6f36ee3a893bc6cd5f7beec7109ea374c484df2de517a334530eeea1dc
MD5 hash:
4cdc1c9c8ff97d4fe4c0aa1da00cd509
SHA1 hash:
27a54b6c78c083280621fa0a370d318fe29245bd
SH256 hash:
5857b336d7d9853e12a8396380a452b1ea5c390a0409fb58ee6e7e77d9aabe00
MD5 hash:
3c162b1caa9b65084775199af23b06de
SHA1 hash:
4b401eebfab0a021d242ce7a1ff9c044d9813d10
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 5857b336d7d9853e12a8396380a452b1ea5c390a0409fb58ee6e7e77d9aabe00

(this sample)

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