MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 17b6b0db4462dbb0ae69fa5aeeee59ca82347760354b9e61ffa1d4f24f002931. 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: | 17b6b0db4462dbb0ae69fa5aeeee59ca82347760354b9e61ffa1d4f24f002931 |
|---|---|
| SHA3-384 hash: | eb174d38823d1b26109ff3545c85ac6ffa22133e99d95a6d320c5edf1016c16c1f76451a95d7e46b2ff79dc1971b7dc1 |
| SHA1 hash: | 32128805f21100b408279b456e7dd122855cc77d |
| MD5 hash: | 1fee9749f221b92430bd12c570381c05 |
| humanhash: | may-white-cardinal-dakota |
| File name: | file |
| Download: | download sample |
| Signature | Formbook |
| File size: | 876'032 bytes |
| First seen: | 2026-10-12 02:47:34 UTC |
| Last seen: | 2026-10-14 16:00:06 UTC |
| 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 | 24576:6UToN7ZiraOz0CDKX09/pCFuvOSCnK7xiZg:6JFUaH09Quv0K1 |
| TLSH | T1F5151225207CDB17C81657F61412E17113F91DFD8871D6168FEA7DEBBA2AF000A22E9B |
| 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 | f0e4e2d1c4b8ccf0 (7 x Formbook, 3 x DarkCloud, 1 x AgentTesla) |
| Reporter |  Bitsight |
| Tags: | dropped-by-remcos exe FormBook Remotehost |
Intelligence
File Origin
# of uploads :
5
# of downloads :
243
Origin country :
ITVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-10-12 02:51:42 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Verdict:
Malicious
Score:
97.4%
Tags:
virus cupi msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated packed vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-12T00:10:00Z UTC
Last seen:
2026-10-12T01:32:00Z UTC
Hits:
~10
Malware family:
Formbook
Verdict:
Malicious
Score:
99%
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: 0.33 Win 32 Exe x86
Threat name:
Win32.Spyware.Negasteal
Status:
Suspicious
First seen:
2026-10-12 02:48:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
15 of 23 (65.22%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
17b6b0db4462dbb0ae69fa5aeeee59ca82347760354b9e61ffa1d4f24f002931
MD5 hash:
1fee9749f221b92430bd12c570381c05
SHA1 hash:
32128805f21100b408279b456e7dd122855cc77d
SH256 hash:
0d9f0b68a60583d20d8a1512bb85e0fe4d2733c960d69d1b1aedea67c3bb5826
MD5 hash:
8500bc61ecbd8dc47bd236ac3396b857
SHA1 hash:
d034d96fa0ccf69480f652c56b705c96ae40c0e3
SH256 hash:
031f5387e15cb20e2b022482531e9b863da1c0825c3e057a5197cf1fc75ff5c3
MD5 hash:
e962af4749fabdcda10df6da328f28ad
SHA1 hash:
f335dbd80b7dd1798cde7b4a433167c454d4c7dc
SH256 hash:
3363685d0637e615136c9fc2ca71eae2c09f200daafd6847381f356da12a2a0a
MD5 hash:
b811b056522f0943076bd8082b4c7b9c
SHA1 hash:
7c6de8afe303bae16ec70229b2449931919e8dcc
Malware family:
FormBook
Verdict:
Malicious
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: | 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: | Runtime_Broker_Variant_1 |
|---|---|
| Author: | Sn0wFr0$t |
| Description: | Detecting malicious Runtime Broker |
| 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) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Remcos
Delivery method
Distributed via web download
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