MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85cb54f7e0f9651f995395302d3f71216a0d670cdbba96d2334ae46a16f95d94. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 85cb54f7e0f9651f995395302d3f71216a0d670cdbba96d2334ae46a16f95d94
SHA3-384 hash: 280ecdcc98bbe2c334abcc3a2f4a223edd1f36e47763c81cec05e31bf93d0258878fe027a8475793d739e8883712f7a8
SHA1 hash: bbf3d09624f8c3d00ccbb6ad8f3b359b32965a81
MD5 hash: fc06531aeb957552de8e178d05cb0a2d
humanhash: missouri-crazy-cold-speaker
File name:85cb54f7e0f9651f995395302d3f71216a0d670cdbba96d2334ae46a16f95d94
Download: download sample
Signature AgentTesla
File size:199'680 bytes
First seen:2024-07-03 14:10:40 UTC
Last seen:2024-07-03 14:24:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:e/dMuG+46jHl8F/VegWZ8JZmI9mz59sY8OHN4HHxaErc9XKdo6f1eX7nJdMoq2g9:IMus6jHl8FlGgNFcRnONsCOxj
TLSH T1071419916BA98022EBEF2B71E87103004F75F6C7E5A7F71A658425F90C133489DA17AF
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
359
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
85cb54f7e0f9651f995395302d3f71216a0d670cdbba96d2334ae46a16f95d94.exe
Verdict:
No threats detected
Analysis date:
2024-07-03 14:15:41 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin quasarrat schtasks
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
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert for network traffic
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 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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1466994 Sample: kZa81nzREg.exe Startdate: 03/07/2024 Architecture: WINDOWS Score: 100 37 ip-api.com 2->37 39 ftp.antoniomayol.com 2->39 41 5 other IPs or domains 2->41 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 10 other signatures 2->55 8 kZa81nzREg.exe 14 6 2->8         started        13 kZa81nzREg.exe 2 2->13         started        signatures3 process4 dnsIp5 47 capturingmind.com 172.67.196.55, 443, 49704, 49705 CLOUDFLARENETUS United States 8->47 31 C:\Users\user\AppData\...\kZa81nzREg.exe, PE32 8->31 dropped 33 C:\Users\...\kZa81nzREg.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\...\kZa81nzREg.exe.log, CSV 8->35 dropped 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 8->59 61 Writes to foreign memory regions 8->61 15 MSBuild.exe 8->15         started        18 MSBuild.exe 15 2 8->18         started        21 schtasks.exe 1 8->21         started        63 Multi AV Scanner detection for dropped file 13->63 65 Allocates memory in foreign processes 13->65 67 Injects a PE file into a foreign processes 13->67 23 MSBuild.exe 2 13->23         started        25 schtasks.exe 1 13->25         started        file6 signatures7 process8 dnsIp9 69 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->71 73 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 15->73 43 antoniomayol.com 162.241.62.63, 21, 44914, 49708 UNIFIEDLAYER-AS-1US United States 18->43 45 ip-api.com 208.95.112.1, 49706, 49710, 80 TUT-ASUS United States 18->45 27 conhost.exe 21->27         started        75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->75 77 Tries to steal Mail credentials (via file / registry access) 23->77 79 Tries to harvest and steal ftp login credentials 23->79 81 Tries to harvest and steal browser information (history, passwords, etc) 23->81 29 conhost.exe 25->29         started        signatures10 process11
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-06-29 13:49:57 UTC
File Type:
PE (.Net Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Modifies system certificate store
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
85cb54f7e0f9651f995395302d3f71216a0d670cdbba96d2334ae46a16f95d94
MD5 hash:
fc06531aeb957552de8e178d05cb0a2d
SHA1 hash:
bbf3d09624f8c3d00ccbb6ad8f3b359b32965a81
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: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.

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 (HIGH_ENTROPY_VA)high

Comments