MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b12eaf7c0b2179a7f21142a300333eea62d1adf329fb8f82fd97b0cd7b89b10e. 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: | b12eaf7c0b2179a7f21142a300333eea62d1adf329fb8f82fd97b0cd7b89b10e |
|---|---|
| SHA3-384 hash: | c2c147e7f8994ebb522604fe4413d9a105d267f02bb812fc94d2ad3c75a0235f482705abc8f66e6b5a41277f1982949b |
| SHA1 hash: | 37327b3ae4dc50f14db1d781fb1bdb508858e433 |
| MD5 hash: | 8109d3c2be8a5fec58e1fccdec4be37d |
| humanhash: | red-uncle-delta-harry |
| File name: | b12eaf7c0b2179a7f21142a300333eea62d1adf329fb8f82fd97b0cd7b89b10e |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'031'168 bytes |
| First seen: | 2026-08-10 14:00:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'302 x AgentTesla, 20'721 x Formbook, 12'402 x SnakeKeylogger) |
| ssdeep | 24576:2pKIfftCX8N643hLzNn9iFmb97fLjgYl:2pzfftsMhB9iK1L |
| TLSH | T117251258AD28CC22C9C247754A12F77823749D99F421C763CFFAFEABB8685176C189C1 |
| 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 :
72
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Detection:
Formbook
Verdict:
Malicious
Score:
94.1%
Tags:
virus micro msil
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
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
packed xworm
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-07T16:12:00Z UTC
Last seen:
2026-08-11T02:48:00Z UTC
Hits:
~1000
Verdict:
Unknown
Score:
99%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2026-07-08 03:54:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 36 (72.22%)
Threat level:
5/5
Detection(s):
Suspicious file
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 FindShellTrayWindow
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:
b12eaf7c0b2179a7f21142a300333eea62d1adf329fb8f82fd97b0cd7b89b10e
MD5 hash:
8109d3c2be8a5fec58e1fccdec4be37d
SHA1 hash:
37327b3ae4dc50f14db1d781fb1bdb508858e433
SH256 hash:
f51f5b0cf7bfb396a7be1de07924cfb82dc7d51583f2e9e53bda1f5814ec4a4f
MD5 hash:
443cde06fd4a946e1d2d9b8225019632
SHA1 hash:
18b687a3fb53035b3546c733ab7f378c3921af1f
SH256 hash:
06cd8c4d2986a8ea69f40d861af33025a873b1441326a88e4259bfc7d4c21e49
MD5 hash:
b6732761b4d67eb54d6c628e90f69a6a
SHA1 hash:
e1c128d2559d9acc516e4d9a525670c27267c653
SH256 hash:
7bfb839601d035f9f47984eed9aab557c35cb06e84b2eeb0b3d699d4371765e5
MD5 hash:
e9d2d2924b9259a156ea5c8fab197481
SHA1 hash:
18ed8e0a62da128e2b49b1949a6ba3735805ef5d
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | NETexecutableMicrosoft |
|---|---|
| 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.
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