MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8300db91a37cce4dc00aed55b51bd5e469d53b82c67fc662d3eff93c7e341405. 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
Formbook
Vendor detections: 17
| SHA256 hash: | 8300db91a37cce4dc00aed55b51bd5e469d53b82c67fc662d3eff93c7e341405 |
|---|---|
| SHA3-384 hash: | e87d82a0f3973b660fd84324777365b5970fc194876c38886e77084b9f784fb82286ae15689849fdfe3adc99cf220857 |
| SHA1 hash: | 022d003d140510e5e9396a4ab4e51b7014d6750e |
| MD5 hash: | 75fd7827bbf0b22f48275d5882af458f |
| humanhash: | muppet-victor-blue-ohio |
| File name: | 75fd7827bbf0b22f48275d5882af458f |
| Download: | download sample |
| Signature | Formbook |
| File size: | 696'840 bytes |
| First seen: | 2024-04-18 09:46:17 UTC |
| Last seen: | 2024-04-18 10:44:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:MC13iwoQ/EbwkF+mgKD/2cwJPxNQAzUc84oKq15R4K4ljdHkR:N1Swo+gFOcwJpNQbFv4KUs |
| Threatray | 1'103 similar samples on MalwareBazaar |
| TLSH | T1E0E4235BBEC47B02D7E2B275325554064BB293CA1006DBE22CF2B5C49FD27904FD6A93 |
| 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) |
| File icon (PE): |  |
| dhash icon | 70e4d8b8f8e8c470 (8 x AgentTesla, 4 x Formbook) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
343
Origin country :
FRVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
8300db91a37cce4dc00aed55b51bd5e469d53b82c67fc662d3eff93c7e341405.exe
Verdict:
Malicious activity
Analysis date:
2024-04-18 10:02:05 UTC
Tags:
evasion agenttesla stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
agenttesla
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-04-18 09:47:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
19 of 24 (79.17%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 1'093 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
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:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
SH256 hash:
2b42fceefc457c0595e149adb990aabac03f9af7e026449dc9cc8368d73a8257
MD5 hash:
a14c5154ef40763186888c79ff1cf84b
SHA1 hash:
c2c2e0815c358983f0faea919fc627a48b53a11f
SH256 hash:
0dcab2841d3e259ae8acd9151e16623a6e21e70c057a67a4b0cb6161676e1b44
MD5 hash:
286f344dff94ba4543b968b33dfc753d
SHA1 hash:
bfdb593fe9101cc1a72be8bf08da545619bb4016
Detections:
AgentTesla
win_agent_tesla_g2
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Agenttesla_type2
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
e8d5a9219e8af1cf0ed3c2dffaeee22b38da4ea86d02502ea3e48e6da80dc40e
MD5 hash:
eb53f8b2ad757b9fdaaa04ccf238a125
SHA1 hash:
698712042011f2ee4c9a014912920c82b0a230d2
SH256 hash:
8300db91a37cce4dc00aed55b51bd5e469d53b82c67fc662d3eff93c7e341405
MD5 hash:
75fd7827bbf0b22f48275d5882af458f
SHA1 hash:
022d003d140510e5e9396a4ab4e51b7014d6750e
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Malware family:
AgentTesla
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: | INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| 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.
Web download
Delivery method
Distributed via web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxps://dukeenergyltd.top/H8w3nxJQ4Gya5ED.scr