MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa9768671a5cf88a6140c7dc6a4a23e428707e903640e66d7eab3fa7e0ba52e2. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: fa9768671a5cf88a6140c7dc6a4a23e428707e903640e66d7eab3fa7e0ba52e2
SHA3-384 hash: 49cb9ba5caf1e7d840bcf4ec713fe493825d303f7503d6f7b30d42b3065a5ab94ba9778b9a686ad7f085066b0278a5f0
SHA1 hash: f367f16f00b643194270fae417603025fd720a4e
MD5 hash: ff1eb59fead63e9e085cc141cfe2ea05
humanhash: green-texas-football-oregon
File name:Proforma Invoice - Well Ergon 16-09-2023.exe
Download: download sample
Signature AgentTesla
File size:1'005'056 bytes
First seen:2023-11-29 17:18:47 UTC
Last seen:2023-12-05 07:17:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:DsJ28iaLMu8KCzKXB/wqKFtAEJaGyrP11UFWopoxpgn2IyFqpXWr0EeS7J/P7r9O:D+2vaLP8v+lhj1UYei1q
TLSH T1D5257C9CF540759ECC16CA329975CC3096223CBA573AD10E54DB3DAB7BBE6D38A110A3
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) (4505/5/1)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
331
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Proforma Invoice - Well Ergon 16-09-2023.exe
Verdict:
Malicious activity
Analysis date:
2023-11-29 17:21:19 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
Sending a custom TCP request
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
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
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)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1350035 Sample: Proforma_Invoice_-_Well_Erg... Startdate: 29/11/2023 Architecture: WINDOWS Score: 100 40 mail.bezzleauto.com 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 8 Proforma_Invoice_-_Well_Ergon_16-09-2023.exe 7 2->8         started        12 EPGkbIwTIm.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...PGkbIwTIm.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpF718.tmp, XML 8->38 dropped 52 Detected unpacking (changes PE section rights) 8->52 54 Detected unpacking (overwrites its own PE header) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 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        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 2 other signatures 12->66 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.bezzleauto.com 45.151.123.240, 25, 49733, 49735 STUMPNERNETDE Germany 14->42 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
Win32.Ransomware.CryptoJoker
Status:
Malicious
First seen:
2023-11-29 11:51:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4
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 WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
51674486612e300fde800d8b11e5c3a4d3d2d164d903dcd64bcc42226b05c81a
MD5 hash:
ef1f42e650562f4ee6a1fecec8181997
SHA1 hash:
f36f5bae4eb74636233ea23fbaa6b97085140bfa
SH256 hash:
73220663e80b636eeadc88b42955c1182600b3b85bb478d839a3491ab16da343
MD5 hash:
2928395210f0aba758112153e8caa875
SHA1 hash:
ef39abe9761cafa64adf029d66fea67b764946ff
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
fced22b9297b650d1de7971e6b8b7cc806540ecd780103c367bdd0e5af3b16fd
MD5 hash:
f66be4a135598aa280be66182272ba8d
SHA1 hash:
c8d48fa8952f12468395e036731b342a7c47a8ad
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_EXE_Packed_GEN01
SH256 hash:
fa9768671a5cf88a6140c7dc6a4a23e428707e903640e66d7eab3fa7e0ba52e2
MD5 hash:
ff1eb59fead63e9e085cc141cfe2ea05
SHA1 hash:
f367f16f00b643194270fae417603025fd720a4e
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe fa9768671a5cf88a6140c7dc6a4a23e428707e903640e66d7eab3fa7e0ba52e2

(this sample)

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