MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fff7aca00f542ef15489143dfde3d042bdcffb8cedf2ad50a684da31dc181f93. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments

SHA256 hash: fff7aca00f542ef15489143dfde3d042bdcffb8cedf2ad50a684da31dc181f93
SHA3-384 hash: f1208da802f85bd002952eea141654ea7be6eec54c18d1097f0cd1f79d1aee2201ccb050dd327b619eb23847863085bc
SHA1 hash: 3cc50ff903cc36299c5554b7e6a1be9742542a92
MD5 hash: 163d2242c0da79df0ea41cd4aa229563
humanhash: magnesium-leopard-uniform-maine
File name:Заказ на покупку#7471_Комиссия агенту 500 MT 3234 DSV 776 .exe
Download: download sample
Signature AgentTesla
File size:794'112 bytes
First seen:2024-03-11 13:35:29 UTC
Last seen:2024-03-18 13:17:56 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 24576:SF61Fali8JI6AWJQ1HGWbTDMwKoguuAu:IPFS6AWJQQWb0wKoguPu
Threatray 298 similar samples on MalwareBazaar
TLSH T1A8F4125173992B65D27E4BFA063216506776BD1B0422F78E0CD2B1DBA6B2F004B39F63
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 080606b60d0d0c00 (4 x SnakeKeylogger, 2 x AgentTesla, 1 x RedLineStealer)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
328
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d7f7488068f01b7743d90ca601b96bc8.zip
Verdict:
Malicious activity
Analysis date:
2024-03-11 10:37:19 UTC
Tags:
spam

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
DNS request
Connection attempt
Sending a custom TCP request
Searching for the window
Changing a file
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1406660 Sample: DSV 776 .exe Startdate: 11/03/2024 Architecture: WINDOWS Score: 100 37 mail.adgumrukmusavirligi.com 2->37 39 www.google.de 2->39 41 adgumrukmusavirligi.com 2->41 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 11 other signatures 2->63 8 ctsdvwT.exe 17 2->8         started        11 DSV 776 .exe 18 2->11         started        14 ctsdvwT.exe 2->14         started        signatures3 process4 dnsIp5 65 Antivirus detection for dropped file 8->65 67 Multi AV Scanner detection for dropped file 8->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->69 71 Machine Learning detection for dropped file 8->71 16 ctsdvwT.exe 2 8->16         started        19 ctsdvwT.exe 8->19         started        21 ctsdvwT.exe 8->21         started        47 www.google.de 142.250.101.94, 443, 49707, 49711 GOOGLEUS United States 11->47 73 Adds a directory exclusion to Windows Defender 11->73 75 Injects a PE file into a foreign processes 11->75 23 DSV 776 .exe 2 5 11->23         started        27 powershell.exe 22 11->27         started        29 ctsdvwT.exe 14->29         started        signatures6 process7 dnsIp8 43 adgumrukmusavirligi.com 94.199.206.42, 49718, 587 AEROTEK-ASTR Turkey 23->43 45 192.168.2.18 unknown unknown 23->45 33 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 23->33 dropped 35 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 23->35 dropped 49 Tries to steal Mail credentials (via file / registry access) 23->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->51 53 Installs a global keyboard hook 23->53 31 conhost.exe 27->31         started        55 Tries to harvest and steal browser information (history, passwords, etc) 29->55 file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-03-08 06:45:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
b1f63b3ea7cc065bf6b04d13fdb0c3a43f336045367dac6f45ac49b4d9b2403e
MD5 hash:
a8d01745eed77e9879bcc82a29870a5a
SHA1 hash:
db24b6f7340e7e3b2527e429df2ab48d77ed5a1a
SH256 hash:
16093ff49c15d89429d5c043b470957ec9952629e61958b94f1cfec6af965799
MD5 hash:
963cf7f5b98f975f402e0e6e84b91da4
SHA1 hash:
d1f23a76ff126ff695787187fbd554be4a168d1f
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:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
SH256 hash:
b501b468c3e1318b3cbdf25ebe4b71f004a127d85b0d2c706c98d8b4bf00a278
MD5 hash:
a33ac47fa03b59fe09639c3407e2e4f2
SHA1 hash:
6c0187039b526f4020405a49934d3bd1994b4505
SH256 hash:
fff7aca00f542ef15489143dfde3d042bdcffb8cedf2ad50a684da31dc181f93
MD5 hash:
163d2242c0da79df0ea41cd4aa229563
SHA1 hash:
3cc50ff903cc36299c5554b7e6a1be9742542a92
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_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 fff7aca00f542ef15489143dfde3d042bdcffb8cedf2ad50a684da31dc181f93

(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