MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 36b605fad6db0fcef9676fbdf604dc2ef7c033e87496764c46669a24241fc155. 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: 19
| SHA256 hash: | 36b605fad6db0fcef9676fbdf604dc2ef7c033e87496764c46669a24241fc155 |
|---|---|
| SHA3-384 hash: | e2b12522ed0fd8a5878e75ea9345d2a659a1743e155e5abcffddc660a7aa639ae4aefbd7bde07b5eb4872abafd05ee59 |
| SHA1 hash: | ada7b3cb8e464b68ed1d879517ccebd16908aee2 |
| MD5 hash: | 7a711837839b802f1b1bb781f6d69dc5 |
| humanhash: | princess-four-don-delaware |
| File name: | 36b605fad6db0fcef9676fbdf604dc2ef7c033e87496764c46669a24241fc155 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 867'840 bytes |
| First seen: | 2026-11-09 08:59:33 UTC |
| Last seen: | 2026-11-09 09:28:16 UTC |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'364 x AgentTesla, 20'869 x Formbook, 12'418 x SnakeKeylogger) |
| ssdeep | 24576:GdSATM2Kq+yU0f5hoCuzqYbGU87vR/jL:Xn10hh/uzqYbN81/P |
| TLSH | T1A305DF18A56BCC12D8712FB29CF195B407B26D59E032D29B1FD60DEFB623B80AD85317 |
| 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 :
2
# of downloads :
82
Origin country :
FRVendor Threat Intelligence
Malware configuration found for:
NETReactor
RoboSki
Details
Malware family:
formbook
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-09 22:29:45 UTC
Tags:
netreactor rgbloader loader formbook stealer
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:
injection virus msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Creating synchronization primitives
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:
2026-10-27T01:37:00Z UTC
Last seen:
2026-11-04T16:06:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.59 Win 32 Exe x86
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-10-27 09:34:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
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 AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Malware Family:
n/a
Verdict:
Suspicious
Tags:
injector
YARA:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware Family:
msil
Malicious:
True
Tags:
dotnet payload polymorphic peexe
Unpacked files
SH256 hash:
36b605fad6db0fcef9676fbdf604dc2ef7c033e87496764c46669a24241fc155
MD5 hash:
7a711837839b802f1b1bb781f6d69dc5
SHA1 hash:
ada7b3cb8e464b68ed1d879517ccebd16908aee2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b9ef8fef5b455817a626806044ae6567cb1f7bafaa7d17a7724a02a25f90d2d2
MD5 hash:
86ce51cb209a5dcd67d0b47572b4e9e2
SHA1 hash:
b6ea8196e73da138d403048b659127ffd5c0c73f
SH256 hash:
e5e3b6c194ebb981ec925f3893099141ece688d2e765ea0f06461b38eadd554f
MD5 hash:
936b4c84c8d9cc62492181c3bd88ad6f
SHA1 hash:
ca77f331fa0e97f321a53bb3f974aaa9f2775d33
SH256 hash:
773b08ab57053ae711c3e2fdcba5c864beb8e891b4a31c17e9516178d97c4e5d
MD5 hash:
280fc238a08d4b09aa1232cd581a5c00
SHA1 hash:
fb54c350643c34dad41e8c59e009982a38c835d3
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: | exploit_any_poppopret |
|---|---|
| Author: | Jeff White [karttoon@gmail.com] @noottrak |
| Description: | Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries. |
| 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) |
| Rule name: | WIN_Sample_Unique_69354b41 |
|---|---|
| Author: | Marjoriefort |
| Description: | Specimen unique (soumission Bazaar) - strings distinctifs propres au sample |
| Reference: | 69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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