MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9
SHA3-384 hash: 9c80b979ba2d18b72862eec2bb7585ce18d1a6d40eff033993754c1e91f94218a1674cb7b72775f8a6ba17ba8f03507e
SHA1 hash: bec514381f775b00f1012d496ab0cd9abde9ec37
MD5 hash: b3fdf47f7747a1aa8f6a1698cb899cc2
humanhash: emma-carolina-charlie-foxtrot
File name:c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9
Download: download sample
Signature Formbook
File size:1'065'984 bytes
First seen:2026-08-10 14:27:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'340 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:wW+G19tHIdV8b8XgC0m8ftzdYl/kF0RXND6bH:vxhIdV8b8Xn0m8ftal8F0RX8b
TLSH T11A3523A08399C522C4A9577644A6D3B12376DF9EF332E76E8FCCFCABB6217102405785
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
dhash icon 44302c2c70703002 (4 x Formbook, 3 x RemusStealer, 2 x GCleaner)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
59
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-16T17:27:00Z UTC
Last seen:
2026-08-11T12:56:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2026-07-17 00:38:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9
MD5 hash:
b3fdf47f7747a1aa8f6a1698cb899cc2
SHA1 hash:
bec514381f775b00f1012d496ab0cd9abde9ec37
SH256 hash:
281f0a31109ba3566ae24aad9d51a96464ffc1d21e36b6b6772663df2f0faac0
MD5 hash:
dde879de3fd7eb5674e79b43c6f5722d
SHA1 hash:
63a6adfa2f3d970779f8f77c69c9da620b52f3e4
SH256 hash:
692399b67b1bcae01d71bad285f2b06e6c22af182c6779561cec48a9073913e2
MD5 hash:
90eaf6e9c6f70e9540dcc62a1ec15d8f
SHA1 hash:
bab97ae17b20ecdcc019edf1699215beaae63889
SH256 hash:
624ec23b9b1fde34643f6ac34c80aa5dc85c9a843c183d92dc8cf4e1f662da2c
MD5 hash:
b800871bae24b1981af76ebac7a31ecd
SHA1 hash:
f400173f8405163a95e6d4b5a09aa89faec838d7
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.

Comments