MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 89704cb4fb711584b91935b7e8a2d530c04c3338db3a4f68b9debebfbfbcaf57. 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: 16
| SHA256 hash: | 89704cb4fb711584b91935b7e8a2d530c04c3338db3a4f68b9debebfbfbcaf57 |
|---|---|
| SHA3-384 hash: | 7965f45ada5a18f6e840c009f095d4e48bad639fed661be0c1c416ca8e86b6ebfbe061bad7c28624cc16155e9056d154 |
| SHA1 hash: | 2fc632d5d3a7bf050e9ebee141cd3887127b42e0 |
| MD5 hash: | f1a8a1e4fa162fcb294c794c2ca020c0 |
| humanhash: | bravo-mississippi-failed-nitrogen |
| File name: | 89704cb4fb711584b91935b7e8a2d530c04c3338db3a4f68b9debebfbfbcaf57 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'359'872 bytes |
| First seen: | 2026-10-19 07:43:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'287 x AgentTesla, 20'689 x Formbook, 12'401 x SnakeKeylogger) |
| ssdeep | 24576:Yo4ThYA3BA4g0Mqvn2eYnIbrmxp4JFgZ4LbYRKKJ5Teu+YPYCCa:hA3hrP276rmD4JFg+LcBSfaYCD |
| TLSH | T135550124332D9917C17F57F60531C1B007B6AD8AA536DADE9EC468EF78E2B440B52B23 |
| TrID | 55.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 23.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.9% (.EXE) Win64 Executable (generic) (6522/11/2) 3.4% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | e09a9c1408820182 (3 x Formbook, 1 x SnakeKeylogger) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
69
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-10-19 08:49:29 UTC
Tags:
n/a
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:
virus cupi msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
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)
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-01T23:26:00Z UTC
Last seen:
2026-10-16T23:15:00Z UTC
Hits:
~1000
Malware family:
Formbook
Verdict:
Malicious
Score:
97%
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: 0.30 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-09-02 04:10:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
93
AV detection:
25 of 36 (69.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
Formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
89704cb4fb711584b91935b7e8a2d530c04c3338db3a4f68b9debebfbfbcaf57
MD5 hash:
f1a8a1e4fa162fcb294c794c2ca020c0
SHA1 hash:
2fc632d5d3a7bf050e9ebee141cd3887127b42e0
SH256 hash:
01c81eb846dd173d909418a79e54736820933312665aef11d2c70f8a7bdaacff
MD5 hash:
3431003fbf6f48de7d2caeab0ce626d0
SHA1 hash:
04c11eead356dd5c69f2e7d674773d9413f6f4f7
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
757ab589c1f1e3a4c938a4a621fffce017f58823defa9ed81a83ffb7ca44d150
MD5 hash:
6290e8c8e9c230b526732d0a862c9b3c
SHA1 hash:
18eba190949195c623c61a9d49a5335771baab57
SH256 hash:
0ccda5fb8da309f4ca1af9510db9bbcbf8d91c6a12758f2ff05bfc885d46e764
MD5 hash:
19c91fe72a4e7aa7b59d84baf6ce9383
SHA1 hash:
672187a0dbc9f2314ffb8b34f9601fb29b2eb1d7
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: | DotNet_RGB_Embedded_AssemblyLoader_Hunt |
|---|---|
| Author: | ShadowOpCode |
| Description: | Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading |
| Rule name: | HUNT_NET_Loader_ImagePixel_To_AssemblyLoad |
|---|---|
| Author: | Anish Bogati |
| Description: | Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders. |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects Derialock (pe, etat extrait) |
| Rule name: | WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects XWorm (pe, etat extrait) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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