MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f09c3060707025a8f0676dfb0ec5ea56dcbe47977a3dc4bccdbfdde29dc2c827. 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: 17
| SHA256 hash: | f09c3060707025a8f0676dfb0ec5ea56dcbe47977a3dc4bccdbfdde29dc2c827 |
|---|---|
| SHA3-384 hash: | 96a83e903a0a744255384602cc66fffdc16fac416e738bf20d025f410693e5f8c35fdbab7490c1aaaac2beb7a5ebf925 |
| SHA1 hash: | 476e7fb6993052ac638de0938a39de714f2d1d61 |
| MD5 hash: | a879a1f4bbdfc268ef37b19efca5659e |
| humanhash: | pluto-lamp-mississippi-yellow |
| File name: | Documents-saradeivid00999.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'114'624 bytes |
| First seen: | 2025-08-04 08:46:26 UTC |
| Last seen: | 2025-08-05 08:47:43 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:427fNUv+ZLkFrwtCBmWR7IS92lm4wbuPUSXb0Er4zEHx6OTHvT:7fNrLIcUHIK4wbuPUSXCzEHx6OT |
| Threatray | 5'115 similar samples on MalwareBazaar |
| TLSH | T13935F907BB878BB2C2645776CCB7040CD364E981373BDF5A798A237A58D3BBA5940127 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | ac88bae3c8f1d79e (2 x Formbook) |
| Reporter |  threatcat_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
51
Origin country :
CHVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Documents-saradeivid00999.exe
Verdict:
Malicious activity
Analysis date:
2025-08-04 09:27:33 UTC
Tags:
netreactor formbook stealer xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
90.9%
Tags:
shell sage hype
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Running batch commands
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Connection attempt to an infection source
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
2.5/10
Confidence:
100%
Tags:
net_reactor obfuscated obfuscated packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Score:
94%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable PE (Portable Executable) SOS: 0.28 Win 32 Exe x86
Detection:
formbook
Threat name:
Win32.Backdoor.FormBook
Status:
Suspicious
First seen:
2025-08-04 08:47:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 37 (43.24%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'105 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:um09 discovery rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f09c3060707025a8f0676dfb0ec5ea56dcbe47977a3dc4bccdbfdde29dc2c827
MD5 hash:
a879a1f4bbdfc268ef37b19efca5659e
SHA1 hash:
476e7fb6993052ac638de0938a39de714f2d1d61
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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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