MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a. 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: 11


Intelligence 11 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a
SHA3-384 hash: 46c437411ac3b8136d912a1ff3b4de8509bc4e50881eb108f7df3edf46e4177166d6597f5403883be92b360cbcbb8f44
SHA1 hash: 974e7f07e88e2c2d787d0bbc82322b898e71d66c
MD5 hash: 1f5575df0edd58dc0ad1e37f0782dd54
humanhash: four-maryland-lamp-william
File name:389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a
Download: download sample
Signature Formbook
Create hunting rule
File size:1'108'992 bytes
First seen:2026-08-10 14:47:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'339 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:dDp50T1SbPEacomxlbwc8DiqoRTalNOGQfjQhnjWT:5pO1acoSbwc8DiqoElNzQf0hnjWT
TLSH T1B03501441312DE42E4D68BB6BDB1E37432A94DCF78E2D2D25FE92FF734293811958682
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dbcc0dbd-1d57-4f2c-b331-6f3b7934c439/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80022/
Detection(s):
Win.Packed.Malwarex-10060423-0
Create hunting rule

Win.Packed.Malwarex-10060429-0
Create hunting rule

Win.Malware.AgentTesla-10060424-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a 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
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)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6a79e4ff553c37f8031a8b84/reports/4c276f07-f244-42eb-8e59-3d5b9842cb15/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-23T12:58:00Z UTC
Last seen:
2026-08-11T02:48:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-07-23 22:10:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-sk3npaw1fv/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
389693bb8dc83ab540ce9eac5da510d10e1ae85cccc24d95e60d1a3216f6ec3a
MD5 hash:
1f5575df0edd58dc0ad1e37f0782dd54
SHA1 hash:
974e7f07e88e2c2d787d0bbc82322b898e71d66c
Link:
https://www.unpac.me/results/fe9c2009-581e-4548-885e-bdca3d13d452/
SH256 hash:
f7449e5b9fb660208199ef84885e0dacf8c29dc3898bc2378c6e539942aaaebf
MD5 hash:
ba9ab962b75851f672ea4bf62042cd68
SHA1 hash:
038b18197213a0f7943e92937009fae168554e01
Link:
https://www.unpac.me/results/fe9c2009-581e-4548-885e-bdca3d13d452/
SH256 hash:
e4e98c56847f65b0ec79dd0fcd73f780be8e5b64a78def50b3d447c6a22aab6d
MD5 hash:
3e279146474e41a20e10d71196dea18c
SHA1 hash:
c3abd761f47fc10a6e546d214517de85e1cb64a0
Link:
https://www.unpac.me/results/fe9c2009-581e-4548-885e-bdca3d13d452/
SH256 hash:
04a6774ed1320e637d2d0da7e75ae766d8036d1b5a9c4ab89f0d4cf9ad17965f
MD5 hash:
2a4b82eb164d84f5373c2e397db4f934
SHA1 hash:
6cfd1773a29670dd4b71ce9961570a4ea1636ce7
Link:
https://www.unpac.me/results/fe9c2009-581e-4548-885e-bdca3d13d452/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/389693bb8dc8/report/overview.html
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/80022/

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