MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 82f415c500ccb21a936a061f3ae04c255fee596102d783f91c7fcb6e2a7a1e8d. 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: 16
| SHA256 hash: | 82f415c500ccb21a936a061f3ae04c255fee596102d783f91c7fcb6e2a7a1e8d |
|---|---|
| SHA3-384 hash: | 70551d0db46876dba205e991831580d8a51e99547646068b5ebac0d201819a02f3f91841b9e1c7e9dd15ff704629f350 |
| SHA1 hash: | 032a4e6fd7b1bb1c5e949d32a55026f3623d2f92 |
| MD5 hash: | c129dbf7a189384da0284d8ee3bf4d5b |
| humanhash: | seven-georgia-chicken-angel |
| File name: | 82f415c500ccb21a936a061f3ae04c255fee596102d783f91c7fcb6e2a7a1e8d |
| Download: | download sample |
| Signature | Formbook |
| File size: | 737'800 bytes |
| First seen: | 2025-06-10 11:16:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:XgDB6y+ufHUlJXqAWOBcvwwgS07Ilm1AhItIH9OuRV/0HgNeTizkR:XW+mHU7aApqvPgSbA8ItK9OQ50Zim |
| Threatray | 4'586 similar samples on MalwareBazaar |
| TLSH | T129F4DF47A5CDD9D6C06D1AB40E20F73C6B366D5A8411DE169EC5FC8B793221222F3A3E |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 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) |
| Magika | pebin |
| dhash icon | e2ceaeaeb2968eaa (11 x Formbook, 5 x AgentTesla, 5 x AveMariaRAT) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
375
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
82f415c500ccb21a936a061f3ae04c255fee596102d783f91c7fcb6e2a7a1e8d
Verdict:
Malicious activity
Analysis date:
2025-06-10 18:27:58 UTC
Tags:
netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
99.1%
Tags:
agenttesla virus micro msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Uses threadpools to delay analysis
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
PE
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-05-29 13:32:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
formbook
Similar samples:
+ 4'576 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:i26e discovery execution rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
82f415c500ccb21a936a061f3ae04c255fee596102d783f91c7fcb6e2a7a1e8d
MD5 hash:
c129dbf7a189384da0284d8ee3bf4d5b
SHA1 hash:
032a4e6fd7b1bb1c5e949d32a55026f3623d2f92
SH256 hash:
ff55838cf83322ceab30a512da916f2821181007e95c8fa68674825df8c819b4
MD5 hash:
c9d09ec2449e60042cfc5222e0905ac9
SHA1 hash:
00f21d00230d6595f91ea5c990910f86bbfa44b1
SH256 hash:
be7ab4f4e3f588ebfbe555ca2fe4f18d9bbb3389a493646c78f240c7c92af924
MD5 hash:
cf79c51e6989e69c15b4fd728a3b1d75
SHA1 hash:
306894bb7c34a3c37abf865c9d2c5accae9a98f8
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
8ce199b5554f819cdbfb01bcfc00e08bdbe69340c14aa39829cb0f65b1a9eb03
MD5 hash:
7803d86c34f1d4d168542fb3781d330b
SHA1 hash:
90969adf903acc89ce3a61b570c3f9c06dee34ed
Detections:
win_formbook_w0
win_formbook_g0
win_formbook_auto
FormBook
Windows_Trojan_Formbook
Formbook
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: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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