MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a75a4275af774a29509c461049253572a3181351736db3d1234a31ed3d4ab260. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a75a4275af774a29509c461049253572a3181351736db3d1234a31ed3d4ab260
SHA3-384 hash: ecf8a64ad8ef010bc7275cbdf6541f43f35a686b21a56ade47a066202f60b7b6061b3fbcbfd262b8b1197dc550ed0eb7
SHA1 hash: 3588aa6a504381efa8f2991f3e213044e2c1fe3a
MD5 hash: 933fe77c5563527665897f47e5f25238
humanhash: kilo-pluto-maryland-bacon
File name:file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:942'592 bytes
First seen:2023-03-14 15:56:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 332f7ce65ead0adfb3d35147033aabe9 (81 x XRed, 18 x SnakeKeylogger, 7 x DarkComet)
ssdeep 12288:MMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V91gWVBNcnRkXNj:MnsJ39LyjbJkQFMhmC+6GD9OqcnR21
Threatray 1'417 similar samples on MalwareBazaar
TLSH T110157E26B2D18837D23A1A3C8C6B5354893ABA512E35B94E3FF41D8C5F3B78239191D7
TrID 92.9% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
1.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.4% (.EXE) Win64 Executable (generic) (10523/12/4)
1.3% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
0.6% (.EXE) Win32 Executable (generic) (4505/5/1)
dhash icon 71e4cec2f0c2a4e1 (1 x AgentTesla, 1 x XRed)
Reporter jstrosch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-14 16:00:01 UTC
Tags:
rat agenttesla
Link:
https://app.any.run/tasks/771f85d4-d93b-4ed6-a2f1-c829a88d4068

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/374297/
Detection(s):
PUA.Win.Packer.D1s1g-5
Create hunting rule

PUA.Win.Packer.D1s1g-2
Create hunting rule

PUA.Win.Packer.D1s1g-1
Create hunting rule

Win.Trojan.Emotet-9850453-0
Create hunting rule

Win.Trojan.Generic-9936029-0
Create hunting rule

Win.Malware.Delf-6899401-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Moving a recently created file
Searching for the window
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Modifying an executable file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Sending a UDP request
Sending a custom TCP request
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Stealing user critical data
Infecting executable files
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/73135/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
83%
Tags:
cmd.exe evasive fingerprint greyware hacktool hacktool keylogger macros macros-on-close macros-on-open packed packed shell32.dll
Link:
https://www.filescan.io/uploads/6410994f06c49bd8b6b5bc75/reports/6ef24915-49ff-4c43-bb7e-1047d819e0ee/overview
Verdict:
Malicious
Labled as:
Delf.NBX virus
Link:
https://www.hybrid-analysis.com/sample/a75a4275af774a29509c461049253572a3181351736db3d1234a31ed3d4ab260
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/22f66fa8-d71e-4583-a10f-8fdc7574e85d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
expl.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1193476
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Drops PE files to the document folder of the user
Machine Learning detection for dropped file
Machine Learning detection for sample
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 dynamic DNS services
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 826394 Sample: file.exe Startdate: 14/03/2023 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Antivirus detection for URL or domain 2->53 55 Antivirus detection for dropped file 2->55 57 11 other signatures 2->57 7 file.exe 1 6 2->7         started        10 EXCEL.EXE 23 17 2->10         started        12 Synaptics.exe 2->12         started        process3 file4 31 C:\Users\user\Desktop\._cache_file.exe, PE32 7->31 dropped 33 C:\ProgramData\Synaptics\Synaptics.exe, PE32 7->33 dropped 35 C:\ProgramData\Synaptics\RCX38D8.tmp, PE32 7->35 dropped 37 C:\...\Synaptics.exe:Zone.Identifier, ASCII 7->37 dropped 14 ._cache_file.exe 15 7 7->14         started        18 Synaptics.exe 139 7->18         started        process5 dnsIp6 39 smtp.sourceonaltd.com 14->39 41 api4.ipify.org 64.185.227.155, 443, 49696 WEBNXUS United States 14->41 47 3 other IPs or domains 14->47 59 Antivirus detection for dropped file 14->59 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->63 71 4 other signatures 14->71 43 docs.google.com 172.217.168.14, 443, 49700, 49701 GOOGLEUS United States 18->43 45 freedns.afraid.org 69.42.215.252, 49705, 80 AWKNET-LLCUS United States 18->45 49 2 other IPs or domains 18->49 23 C:\Users\user\Downloads\ChromeSetup.exe, PE32 18->23 dropped 25 C:\Users\user\Documents\~$cache1, PE32 18->25 dropped 27 C:\Users\user\AppData\Local\...\xNXz69W4.exe, PE32 18->27 dropped 29 2 other malicious files 18->29 dropped 65 Multi AV Scanner detection for dropped file 18->65 67 Drops PE files to the document folder of the user 18->67 69 Machine Learning detection for dropped file 18->69 21 WerFault.exe 24 9 18->21         started        file7 signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a75a4275af774a29509c461049253572a3181351736db3d1234a31ed3d4ab260/
Threat name:
Win32.Virus.Napwhich
Create hunting rule
Status:
Malicious
First seen:
2023-03-14 15:57:09 UTC
File Type:
PE (Exe)
Extracted files:
67
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u5nee5npo5fcsue4iyiesjjvokrrqe2ronw3hujdjiy62pkkwjqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
20c94daf0506d27a6bd3de27e378fc900dd44a32328a41912d60fd26677d426d
AgentTesla
4033d9c9ef268cf2bdf04bb0e1c549e5461ba27026797edf70121468abbd1203
AgentTesla
41857a1bfb1cda7337d39a4c6bcec253fb44532179f9cb12e919608f227e3dcb
AgentTesla
686579ac798116984a5f68c10fff3ae521d14c3cfc5e7891618a963693dfeb6f
AgentTesla
8089619c8dba1d0d3a52b272d619fd6658adc82fd4f44df48582b0d6505f673d
AgentTesla
85913d4430d1da9a29e295d98d21997c90edf6d3dea08c709c81e5c8302c3e0f
AgentTesla
89a0e99ef4a97ea1ad4212d7f539c9e851b97108f93a6ff64bbb0b5a5e8997d7
AgentTesla
d1a22dda5220ba19084b3e191aa4cf0028dc48e3176294f3bc298f0d4936de03
AgentTesla
d6e217e6d822b7db300fbd2df88de22ba5826a9b977b317904abdd40376cf54b
AgentTesla
f144fef878393aa69f18f5cf812ee9a62b0224ccb21936321c8f98d65c98d2f6
AgentTesla
+ 1'407 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230314-tdyltsad3v/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
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:
a75a4275af774a29509c461049253572a3181351736db3d1234a31ed3d4ab260
MD5 hash:
933fe77c5563527665897f47e5f25238
SHA1 hash:
3588aa6a504381efa8f2991f3e213044e2c1fe3a
Link:
https://www.unpac.me/results/60ba5c09-4ddf-4ad3-b263-c763734bfecf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a75a4275af77/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Emotet
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a75a4275af774a29509c461049253572a3181351736db3d1234a31ed3d4ab260

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:vbaproject_bin
Create hunting rule
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time
Rule name:yara_template
Create hunting rule

File information

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

Web download

AgentTesla

Executable exe a75a4275af774a29509c461049253572a3181351736db3d1234a31ed3d4ab260

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/374297/

Comments