MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5121303ee22abb87cec5e94bcb15f56616659fb51a37e643d32f4a2023ff4f9f. 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: 14
| SHA256 hash: | 5121303ee22abb87cec5e94bcb15f56616659fb51a37e643d32f4a2023ff4f9f |
|---|---|
| SHA3-384 hash: | a91f2e2ec7fda7908d0973945198a875cc043b7d969a0a4ad881e6db58138535de8199871b7e786cd9eac0191fd1ccf5 |
| SHA1 hash: | 6d8c8785d05e889146b8267e70df042c79d10f1b |
| MD5 hash: | d865981b80236a3ce7d5eca100d947e7 |
| humanhash: | mike-two-speaker-nevada |
| File name: | 5121303ee22abb87cec5e94bcb15f56616659fb51a37e643d32f4a2023ff4f9f |
| Download: | download sample |
| Signature | Formbook |
| File size: | 819'200 bytes |
| First seen: | 2025-04-08 08:11:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 24576:zIj2n6ngZB5w4KEDvstIq1DYDZk9gOV+hM:8jbnuBKmvsuqC8N |
| Threatray | 2'055 similar samples on MalwareBazaar |
| TLSH | T199050198A398C917C6A717785570F63813BBAD9A5936D31B4FCD6CAB7F27A009D00382 |
| 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 | 70cca2b2b2a2cc70 (7 x Formbook, 7 x SnakeKeylogger, 5 x MassLogger) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
348
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5121303ee22abb87cec5e94bcb15f56616659fb51a37e643d32f4a2023ff4f9f
Verdict:
No threats detected
Analysis date:
2025-04-08 09:51:31 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:
virus shell msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Verdict:
Malicious
Labled as:
Trojan.Generic
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-03-24 04:42:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
29 of 36 (80.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
Similar samples:
+ 2'045 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5121303ee22abb87cec5e94bcb15f56616659fb51a37e643d32f4a2023ff4f9f
MD5 hash:
d865981b80236a3ce7d5eca100d947e7
SHA1 hash:
6d8c8785d05e889146b8267e70df042c79d10f1b
SH256 hash:
031deedabb54d2e126844987a7f6db9c838925b15d22d51562ec7c0a4c81ccfa
MD5 hash:
822b83fead271ca0970948cafdc56bed
SHA1 hash:
4a3163881a3550265349eec39f136e9d08a2eff0
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
72bfd47266006b378f1b63658456e1fa450b4c8fa93a1e0c484f51261573257a
MD5 hash:
4966311889e08f67f7fa6bae9272372e
SHA1 hash:
6fbbd39bcdcf4891b07bab95d14e20f00ce710ce
SH256 hash:
c6d3a517aaa15304fa69f01b2e3077eeb5a88f0145bb5264be10b3dbafd28184
MD5 hash:
485101d81cdd8adaf4572179e943ccad
SHA1 hash:
ec7b4b4018905a2f7c8f18e1ba666307a4cfc08f
SH256 hash:
85081045a0a52967e634cbc35e9135c80b31e0ed416208349a5b0610be0cb47b
MD5 hash:
2fd21e94614e7f144ed3ac095dc76a83
SHA1 hash:
fae41e05cdbecd0a30721e0c3be8394c335250a4
Malware family:
FormBook
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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.
No further information available
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 (GUARD_CF) | high |
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