MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49
SHA3-384 hash: c1409601365f4ab35b287739becd4b6b18a5a1f2f6a12fb1c20a8295848ba97b1c6f304d290e0a47cc903771e0e646af
SHA1 hash: 2ac6973a39fcecfcc35483ed1ad7c049f1d70c1c
MD5 hash: fee2a733a3990cebfdf5e26150d108e4
humanhash: july-texas-eight-thirteen
File name:Order No. 00004959.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:251'904 bytes
First seen:2024-04-09 10:16:42 UTC
Last seen:2024-04-09 12:41:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:a+HjnsZDvtr+1ELKV32KdS/g15pjXOYY4EqfsXamvgb57KOggs7GmCMY7pdkJ:a+HjsZvtry/V32yjAjLXaSa
TLSH T19F34E147F76798A1C4099A75C2876B180B719B433257C68B36CA73328D263CB585FE8F
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 00be8323b233bac0 (79 x AgentTesla, 11 x Loki, 9 x DarkCloud)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
341
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49.exe
Verdict:
Malicious activity
Analysis date:
2024-04-09 10:18:58 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/897dfa12-13a5-4415-8324-cdc549b0fd7a

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
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Creating a window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed packed
Link:
https://www.filescan.io/uploads/6615159e08ebdfcacdff6dc8/reports/3eea8f57-6bc1-4292-a40e-c9026efb4624/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c898cfe9-0258-41d6-be11-fb5e7829c15e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1422873
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1422873 Sample: Order No. 00004959.exe Startdate: 09/04/2024 Architecture: WINDOWS Score: 100 16 ip-api.com 2->16 20 Found malware configuration 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 7 other signatures 2->26 7 Order No. 00004959.exe 1 2->7         started        signatures3 process4 signatures5 28 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->28 30 Writes to foreign memory regions 7->30 32 Allocates memory in foreign processes 7->32 34 Injects a PE file into a foreign processes 7->34 10 CasPol.exe 15 4 7->10         started        14 CasPol.exe 7->14         started        process6 dnsIp7 18 ip-api.com 208.95.112.1, 49730, 80 TUT-ASUS United States 10->18 36 Tries to steal Mail credentials (via file / registry access) 10->36 38 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->38 40 Tries to harvest and steal browser information (history, passwords, etc) 10->40 42 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->44 46 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->46 signatures8
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49/
Threat name:
Win64.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-09 08:19:48 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yc7zznd6it4prbzh3bmnnwokhanmfovowdcl4pleemrcxpfy3veq._file
Verdict:
malicious
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240409-mbcg9afg7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49
MD5 hash:
fee2a733a3990cebfdf5e26150d108e4
SHA1 hash:
2ac6973a39fcecfcc35483ed1ad7c049f1d70c1c
Link:
https://www.unpac.me/results/2117cc40-75a3-42b7-8cd9-b5c5b9189f9a/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c0bf9cb47e44/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49

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
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

AgentTesla

Executable exe c0bf9cb47e44f8f88727d858d6d9ca381ac2baaeb0c4be3d6423222bbcb8dd49

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments