MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3f319e9659fb83474cc2b231bf4eea48f565e8aee82c9eb017ce5b991215106b. 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: | 3f319e9659fb83474cc2b231bf4eea48f565e8aee82c9eb017ce5b991215106b |
|---|---|
| SHA3-384 hash: | a008db309db72de590e60845fd0c290ac4ad4fb28fb4542efefb6ccd52ceac20a02e248875d4d7d861aa3ddb77d71b68 |
| SHA1 hash: | 31ef85539d849223732eedb0665e0025797123a4 |
| MD5 hash: | cc2cf20847d128fd2b546b56d7449629 |
| humanhash: | hydrogen-hot-eighteen-island |
| File name: | 3f319e9659fb83474cc2b231bf4eea48f565e8aee82c9eb017ce5b991215106b |
| Download: | download sample |
| Signature | Formbook |
| File size: | 762'368 bytes |
| First seen: | 2025-10-10 06:28:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'819 x AgentTesla, 19'743 x Formbook, 12'286 x SnakeKeylogger) |
| ssdeep | 12288:hCFtJ77pHDqIpKRmKYgKFlac7Rh2XMxRKlGov1GIUiCzYByhnjrOSaE1xKqOZQ8:KD79GIpKMWKvaclKMxRz3EBkfOSURQ |
| Threatray | 2'512 similar samples on MalwareBazaar |
| TLSH | T166F40214221EEA07D0519FB51972E6B41BB9AF9EF422D7478FCE3E9BB4327908D81341 |
| 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 |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
75
Origin country :
HUVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
alert3z2XDmU-67450-5131a35d-ce0f-4598-a4f5-6d5973711618-19fb2ed5.zip
Verdict:
Malicious activity
Analysis date:
2025-10-10 06:34:24 UTC
Tags:
arch-email arch-exec attachments attc-arch auto-sch-xml stealer formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
99.1%
Tags:
spawn shell msil
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 process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
agenttesla obfuscated packed packed packer_detected
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-12T09:38:00Z UTC
Last seen:
2025-10-11T17:52:00Z UTC
Hits:
~1000
Malware family:
Formbook
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.28 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-09-12 16:57:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 36 (72.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
unc_loader_078
unc_loader_037
Similar samples:
+ 2'502 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery execution persistence rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
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
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3f319e9659fb83474cc2b231bf4eea48f565e8aee82c9eb017ce5b991215106b
MD5 hash:
cc2cf20847d128fd2b546b56d7449629
SHA1 hash:
31ef85539d849223732eedb0665e0025797123a4
SH256 hash:
c94efdecd0cc585c657865c883c2c1a579918ba4820feb672afebb6e132ae66e
MD5 hash:
bbdfe3b29efb36c5d96948c02dd88c7b
SHA1 hash:
a7910ac494d46ca3c28545a4f03c0dc0eb393ab3
SH256 hash:
9f555baac627dca343b29625836132e673209d6f66fbd8b60a9d69e58d6acacc
MD5 hash:
e9ea85e21d0276b0fb640aaeecac648c
SHA1 hash:
1a538b3c5a0f1310bdc434081d48d136c41e406b
SH256 hash:
12dda0cd3b378fbced3071df357733426bb09e47c31fcc3ba6273650f67895dc
MD5 hash:
773c55854eb467033abb78bc2b667f80
SHA1 hash:
54bfd694185cd257abb4ee6b477dba12b971b9b9
SH256 hash:
477b9a8e26c512f49043bf2a90064d000005fedefced055d23a44ab62bfb228e
MD5 hash:
59946a802ece76eee705f1feb1294a66
SHA1 hash:
d32b68f7d272ce01b38f1fc66203e5c26ef9a551
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
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: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| 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.
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