MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfdba2515b2d767ebe541557f5461d5c6f9878eeaf9e5f6cc503ccf032143bfa. 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 6 File information Comments

SHA256 hash: bfdba2515b2d767ebe541557f5461d5c6f9878eeaf9e5f6cc503ccf032143bfa
SHA3-384 hash: 69505e190c03944dcd6f234695b7e07848b25c3924d8b00e855bfbbcfd148f7150d010bb7b2d46716bcab187e62609dd
SHA1 hash: 03c95a300519323b9d3f544ce8a1ce8636051f1c
MD5 hash: dc284664c7d7561f8e31e6aa057cc40e
humanhash: utah-harry-india-butter
File name:94762156001348.exe
Download: download sample
Signature AgentTesla
File size:290'761 bytes
First seen:2023-06-23 07:01:45 UTC
Last seen:2023-06-23 13:01:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:/Ya6NuuZaR9Z/7rh2ydsJ6dBpOnbOg0tX//KULE6oh/f:/Y/uNXB7dvdseBQnEt6Dh/f
Threatray 4'015 similar samples on MalwareBazaar
TLSH T13254136CFEE09C33D6E206B12D355317BEB9D42B5B9A5E4B33115E88FE816469B0C381
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:AgentTesla api-telegram-org exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
268
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
94762156001348.exe
Verdict:
Malicious activity
Analysis date:
2023-06-23 07:11:37 UTC
Tags:
agenttesla rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 893199 Sample: 94762156001348.exe Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 4 other signatures 2->50 6 94762156001348.exe 1 21 2->6         started        10 xhqmvfbkgpytdm.exe 19 2->10         started        12 xhqmvfbkgpytdm.exe 19 2->12         started        process3 file4 22 C:\Users\user\AppData\...\xhqmvfbkgpytdm.exe, PE32 6->22 dropped 24 C:\Users\user\AppData\Local\...\uvxjbhb.dll, PE32 6->24 dropped 52 Detected unpacking (changes PE section rights) 6->52 54 Detected unpacking (overwrites its own PE header) 6->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->56 58 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 6->58 14 94762156001348.exe 15 2 6->14         started        26 C:\Users\user\AppData\Local\...\uvxjbhb.dll, PE32 10->26 dropped 60 Multi AV Scanner detection for dropped file 10->60 62 Detected unpacking (creates a PE file in dynamic memory) 10->62 64 May check the online IP address of the machine 10->64 66 Machine Learning detection for dropped file 10->66 18 xhqmvfbkgpytdm.exe 14 2 10->18         started        28 C:\Users\user\AppData\Local\...\uvxjbhb.dll, PE32 12->28 dropped 68 Maps a DLL or memory area into another process 12->68 20 xhqmvfbkgpytdm.exe 2 12->20         started        signatures5 process6 dnsIp7 30 api4.ipify.org 104.237.62.211, 443, 49710, 49712 WEBNXUS United States 14->30 32 us2.smtp.mailhostbox.com 208.91.199.223, 49711, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->32 34 api.ipify.org 14->34 36 api.ipify.org 18->36 38 64.185.227.155, 443, 49713 WEBNXUS United States 20->38 40 208.91.199.225, 49714, 587 PUBLIC-DOMAIN-REGISTRYUS United States 20->40 42 2 other IPs or domains 20->42 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->70 72 Tries to steal Mail credentials (via file / registry access) 20->72 74 Tries to harvest and steal browser information (history, passwords, etc) 20->74 signatures8
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-23 00:05:20 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
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:
b268ba02b5248d426506d281874d18863bb8d2045b4f3ff30bbe7bd0d4381186
MD5 hash:
138064e376e169417b13dc82fa65b767
SHA1 hash:
a1465d94313d37d5a6cc83b150a0286fed101a12
SH256 hash:
bfdba2515b2d767ebe541557f5461d5c6f9878eeaf9e5f6cc503ccf032143bfa
MD5 hash:
dc284664c7d7561f8e31e6aa057cc40e
SHA1 hash:
03c95a300519323b9d3f544ce8a1ce8636051f1c
Malware family:
AgentTesla.v4
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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 bfdba2515b2d767ebe541557f5461d5c6f9878eeaf9e5f6cc503ccf032143bfa

(this sample)

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