MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62. 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: 20


Intelligence 20 IOCs YARA 18 File information Comments

SHA256 hash: b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62
SHA3-384 hash: 1349a57007ede07d5962f83b9d0acc07820f38e947f1e24f5b0f38decccc1e4c3cc08a21388429610016ff69d07831c8
SHA1 hash: 23df570704219bb1f7142e5c84c463b38b6fa30f
MD5 hash: cd3d96bf2cdd57e03fa908166592ae2e
humanhash: quiet-lake-bluebird-floor
File name:621___76063675443-June_Order_list.exe
Download: download sample
Signature AgentTesla
File size:733'696 bytes
First seen:2024-05-20 10:25:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:vWET/mr9KGp318ksbyll71co8X25f/zV83LVJ907fUiSd1HdhKHZle1VCXixwVSk:vWt3x6bylhVYLVJ907edRrKjeayxMTeb
Threatray 871 similar samples on MalwareBazaar
TLSH T10FF423287A7EA384C83F27BE6A7005514BF752D5B1A4E340AFC974EE06A3F919150DE3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 06b080940880d104 (12 x Formbook, 8 x AgentTesla, 5 x Loki)
Reporter smica83
Tags:AgentTesla exe HUN

Intelligence


File Origin
# of uploads :
1
# of downloads :
374
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62.exe
Verdict:
Malicious activity
Analysis date:
2024-05-20 10:27:58 UTC
Tags:
evasion smtp exfiltration stealer agenttesla

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 Network Gensteal Dexter
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
DNS request
Connection attempt
Sending a custom TCP 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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade 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
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
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1444227 Sample: 621___76063675443-June_Orde... Startdate: 20/05/2024 Architecture: WINDOWS Score: 100 42 smtp.yandex.com 2->42 44 smtp.yandex.ru 2->44 46 api.ipify.org 2->46 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 8 other signatures 2->58 8 621___76063675443-June_Order_list.exe 7 2->8         started        12 WduTJk.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\WduTJk.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp2771.tmp, XML 8->40 dropped 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Adds a directory exclusion to Windows Defender 8->64 14 621___76063675443-June_Order_list.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        26 2 other processes 8->26 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 22 WduTJk.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 48 smtp.yandex.ru 77.88.21.158, 49709, 49712, 49720 YANDEXRU Russian Federation 14->48 50 api.ipify.org 172.67.74.152, 443, 49707, 49711 CLOUDFLARENETUS United States 14->50 72 Installs a global keyboard hook 14->72 74 Loading BitLocker PowerShell Module 18->74 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->76 78 Tries to steal Mail credentials (via file / registry access) 22->78 80 Tries to harvest and steal ftp login credentials 22->80 82 Tries to harvest and steal browser information (history, passwords, etc) 22->82 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-05-20 03:30:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
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:
0ef54afd49a80e63f5b2acd62079097baa977d9df3a16b3ad619b7844fd282f9
MD5 hash:
f9e58f0b812466dc9cf4f7ac3e2adbdd
SHA1 hash:
9fc99baf2211ee0b4fc05982fef7c05dd5d50dab
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:
1e6b920003acc85767c750d317e6d643c013226bf951c14aff731900ed3c89a4
MD5 hash:
55b817b20b6eca6a50064895bddec44d
SHA1 hash:
4cccf8f25ed6a377a72ec44fbc6a421c84a4066a
SH256 hash:
27ddc96465ac70b602e730ca4b28018a2875f5aca4215f3d8608b9defc8bf23d
MD5 hash:
1b2614489be216f14010dea5dee50dc5
SHA1 hash:
046c2462662dc3adea1c79121b4d865665850e23
SH256 hash:
b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62
MD5 hash:
cd3d96bf2cdd57e03fa908166592ae2e
SHA1 hash:
23df570704219bb1f7142e5c84c463b38b6fa30f
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_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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_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.

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