MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e158f16f07e8ff0704f797423eee56096fa51306fa8e74ae0034559f9cbe81c. 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 4 File information Comments

SHA256 hash: 6e158f16f07e8ff0704f797423eee56096fa51306fa8e74ae0034559f9cbe81c
SHA3-384 hash: 737a4955b7e83d1686d8002606dfc7cf26fa6f47b8053e7dc530f767ccf88093d8e622d62184b74a28b57814a148873d
SHA1 hash: b9777c487d43c43cf0a46b104f2912d7f6207f1b
MD5 hash: 6ebea473523c44132e5e5a30bedb1a43
humanhash: beer-lion-island-echo
File name:RFQ E3297510.exe
Download: download sample
Signature AgentTesla
File size:870'400 bytes
First seen:2023-10-31 12:41:49 UTC
Last seen:2023-10-31 14:40:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9XWvpnJ0UQAq0PO5ECGoNw5BvrpBlbL6n3POr5y9W8Di0mXtSC:9IJ0Sq0mC9hBvrtbLEyeHDjmXc
Threatray 561 similar samples on MalwareBazaar
TLSH T1A105CFA1F2892E55E86753F8583A9910136B7E6E6478D64C1D8E71DE4BF338210A3F0F
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 151c19ca9b2f6716 (1 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
RFQ E3297510.exe
Verdict:
Malicious activity
Analysis date:
2023-10-31 14:56:32 UTC
Tags:
stealer agenttesla

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
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook 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
.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
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
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 domain / URL
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334850 Sample: RFQ_E3297510.exe Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 40 mail.mediaexpert.dz 2->40 42 mediaexpert.dz 2->42 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 12 other signatures 2->52 8 VowQazhLrBOWnw.exe 5 2->8         started        11 RFQ_E3297510.exe 7 2->11         started        signatures3 process4 file5 54 Antivirus detection for dropped file 8->54 56 Multi AV Scanner detection for dropped file 8->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Machine Learning detection for dropped file 8->60 14 VowQazhLrBOWnw.exe 8->14         started        17 schtasks.exe 8->17         started        36 C:\Users\user\AppData\...\VowQazhLrBOWnw.exe, PE32 11->36 dropped 38 C:\Users\user\AppData\Local\...\tmpAE3B.tmp, XML 11->38 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 11->62 64 Adds a directory exclusion to Windows Defender 11->64 66 Injects a PE file into a foreign processes 11->66 19 RFQ_E3297510.exe 2 11->19         started        22 powershell.exe 23 11->22         started        24 powershell.exe 23 11->24         started        26 2 other processes 11->26 signatures6 process7 dnsIp8 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Tries to steal Mail credentials (via file / registry access) 14->70 72 Tries to harvest and steal browser information (history, passwords, etc) 14->72 28 conhost.exe 17->28         started        44 mediaexpert.dz 137.74.214.62, 49726, 49729, 49730 OVHFR France 19->44 74 Installs a global keyboard hook 19->74 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-10-25 21:03:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
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
Checks computer location settings
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:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
b67fc8e2172a6e525230426ca61eb6fa8c2c27c10ed746734b83517909e89b13
MD5 hash:
18be8bdce56c37654d4abd64bc4ad5e8
SHA1 hash:
bfe6e37e0d37dd30b020b6a0b3e6dbf2870f2b15
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
2a8017fdd503fafea922ea9e2ebdd7948e8c83f792012a7712b4c386af1a1903
MD5 hash:
0ffc63965b5a4dabaf2c7b4325d5442b
SHA1 hash:
807d89da697a4153c67da85854f75c2d0e76e7c4
SH256 hash:
b1b9f8476ed9bdbbc04391873caa3c9f1b728504d2dd4e65846f5ae0cddce02a
MD5 hash:
f01a0bd40db8367fb390a43a6f8aa277
SHA1 hash:
13d2d6908590a4769ff3d0d0dac0f6dbd3826eb3
SH256 hash:
6e158f16f07e8ff0704f797423eee56096fa51306fa8e74ae0034559f9cbe81c
MD5 hash:
6ebea473523c44132e5e5a30bedb1a43
SHA1 hash:
b9777c487d43c43cf0a46b104f2912d7f6207f1b
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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 6e158f16f07e8ff0704f797423eee56096fa51306fa8e74ae0034559f9cbe81c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments