MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cff2b73d77305ffe8c02b009feca9ad0fbdbbbfeec0a1db831caa127f58ef73. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3cff2b73d77305ffe8c02b009feca9ad0fbdbbbfeec0a1db831caa127f58ef73
SHA3-384 hash: d63408a77ae3a5e2173028f6dd94db209598adf3d3f4bf4de24029ee84e9ece68260c533a9e121a025a19221bdfae0e1
SHA1 hash: ac5063aae56e0a299da195c305b117a2b8d648f0
MD5 hash: 2b093d7f11c0d7047686a5477347de9c
humanhash: sierra-lactose-twelve-nineteen
File name:Controllo saldo 30% Ordine 5667.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:38'912 bytes
First seen:2022-04-25 18:39:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:O02cKro4n/FVT73uMfsib2cUZ5WQQSPWffffffS8wMIIptYcFmVc03K:yRuMfwcUmd1tYcFmVc6K
Threatray 16'269 similar samples on MalwareBazaar
TLSH T19003C907EF9C62A7F3A42FB714525302AF21A00A7426E70B7D583169FF623C37D92665
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 8d17326b6945410b (11 x Formbook, 5 x SnakeKeylogger, 4 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/266535/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.369.294.14511.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/6266eb222f162d9fdf67504e/reports/08246939-1f86-48cd-b610-eff60aedbbe3/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/7fa461b6-614d-4a7e-a405-a453ac81b4af
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982696
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
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 domain / URL
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 (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 615179 Sample: Controllo saldo 30% Ordine ... Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 35 api.telegram.org 2->35 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 7 other signatures 2->53 8 Controllo saldo 30% Ordine 5667.exe 16 7 2->8         started        13 Vajejvz.exe 14 3 2->13         started        15 Vajejvz.exe 2 2->15         started        signatures3 process4 dnsIp5 37 45.137.22.163, 49748, 49787, 49788 ROOTLAYERNETNL Netherlands 8->37 27 C:\Users\user\AppData\Roaming\...\Vajejvz.exe, PE32 8->27 dropped 29 C:\Users\user\...\Vajejvz.exe:Zone.Identifier, ASCII 8->29 dropped 31 Controllo saldo 30% Ordine 5667.exe.log, ASCII 8->31 dropped 55 Writes to foreign memory regions 8->55 57 Injects a PE file into a foreign processes 8->57 17 InstallUtil.exe 14 2 8->17         started        21 cmd.exe 1 8->21         started        59 Multi AV Scanner detection for dropped file 13->59 61 Machine Learning detection for dropped file 13->61 file6 signatures7 process8 dnsIp9 33 api.telegram.org 149.154.167.220, 443, 49777, 49802 TELEGRAMRU United Kingdom 17->33 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->41 43 Tries to steal Mail credentials (via file / registry access) 17->43 45 3 other signatures 17->45 23 conhost.exe 21->23         started        25 timeout.exe 1 21->25         started        signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3cff2b73d77305ffe8c02b009feca9ad0fbdbbbfeec0a1db831caa127f58ef73/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-25 13:29:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ht7sw46xomc772gafmaj73fjvuh33o5753akdw4ddsvbe72y55zq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
5f3a695160eba50c97bf758ae0b1d606a113620e5eaa4172ef4618b5d436dae3
AgentTesla
6ab30070b29a4095465e89dbc1a4b0788625565aa7608973b274aadd715b5db1
AgentTesla
6fe3e4a455584fd416ce8c785e95c072e52b08b9c8749564188f784fa7ff7f10
AgentTesla
8ae9d438bfa2eae4950e1bbe13d51aa7a1c8f477c8098b4394768b3f758a4122
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8dd2ea100a46b99ad89e7754af2dbd306ce5ec10e214687edd629aa6b7ab4cd6
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9d9a936978b19fc81f38e6ff2105b88e5d3a0e76efe63737a053a3d7fa5b946c
AgentTesla
be27ba6af4066cdac204c80a78fdd34c49934cd2a0f1ac7aba8d8b45e2b8d71f
AgentTesla
bf41dd5c7d4c9c46588962c1282851965ab36e2a8b741aa6c230f2e5051b0799
AgentTesla
c09a64df71db0720511fcbc521afd0023f121c2b015e57f8ddf773f0850c0f48
AgentTesla
+ 16'259 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/220425-xa61kschg9/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5273807869:AAHdhflfgTbp8lRJ0nhI2erbz0crK0sBFlM/sendDocument
Unpacked files
SH256 hash:
3cff2b73d77305ffe8c02b009feca9ad0fbdbbbfeec0a1db831caa127f58ef73
MD5 hash:
2b093d7f11c0d7047686a5477347de9c
SHA1 hash:
ac5063aae56e0a299da195c305b117a2b8d648f0
Link:
https://www.unpac.me/results/507898d8-d27b-4915-a507-dc488426c851/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3cff2b73d773/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/3cff2b73d77305ffe8c02b009feca9ad0fbdbbbfeec0a1db831caa127f58ef73

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pdb2
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 3cff2b73d77305ffe8c02b009feca9ad0fbdbbbfeec0a1db831caa127f58ef73

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/266535/

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