MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 25a127ef0fe99db17a3a08ddbd6848b3c96e1e61819b8819d34d1f016cb72b0e. 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: | 25a127ef0fe99db17a3a08ddbd6848b3c96e1e61819b8819d34d1f016cb72b0e |
|---|---|
| SHA3-384 hash: | 095c6e0dc995c86706ebe551463a5dcf1b3532fa7db5a8758c8dbfc53ba417a369582bdf767eb5050fbb49e5035f310f |
| SHA1 hash: | a1b62450bb687ce978a051a5e8e3d0cebf68f7c5 |
| MD5 hash: | 05b3fed6b0077e2e013a354857b93158 |
| humanhash: | massachusetts-robin-georgia-low |
| File name: | 25a127ef0fe99db17a3a08ddbd6848b3c96e1e61819b8819d34d1f016cb72b0e.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 810'496 bytes |
| First seen: | 2026-10-05 16:03:20 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:EeXg3g9xkJW1WvA8i6gF5aBDsf23Er3ElJC8:dXqOxk+f8mna6fm63ElY |
| TLSH | T19D0501543354AB03D9A923F91871F27403BA7EDEA521D3199EE8ADEF3932F054844B93 |
| 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 |  ShadowOpCode |
| Tags: | exe FormBook RGBLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
200
Origin country :
ITVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-05 16:47:56 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 micro cupi
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
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)
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Yogi.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-28T18:16:00Z UTC
Last seen:
2026-10-06T00:43:00Z UTC
Hits:
~10
Malware family:
Formbook
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.34 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2026-10-03 00:55:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 38 (71.05%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
XWorm
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:
25a127ef0fe99db17a3a08ddbd6848b3c96e1e61819b8819d34d1f016cb72b0e
MD5 hash:
05b3fed6b0077e2e013a354857b93158
SHA1 hash:
a1b62450bb687ce978a051a5e8e3d0cebf68f7c5
SH256 hash:
91fcd8e3fba77a02e9a92279cb2815e3268294083ad940d93b3a7901771efb9b
MD5 hash:
09d5c77a2ff550849ff577c54e53310d
SHA1 hash:
2f8e9325b402fa139ed8c66e548f7c6e297b3b8a
SH256 hash:
0955bf582d6436bf8124b384ade860ffce03619592dcae83cc0dc127c8d241f7
MD5 hash:
ff00a9de5a32561344d369d0a09dea95
SHA1 hash:
cb0912da6106e5549986e899668eae4bc9ca0f89
SH256 hash:
a1402615dffd01a135dfcede62b6a748912494d69f16c3ff492eef818c002a9c
MD5 hash:
35a241af44120fd5695329e018779b30
SHA1 hash:
9474c75e0d0c8b1bbf033ebb4cbcc7b9bbc32938
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
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_BitmapAssemblyLoader_KWBORU_Family |
|---|---|
| Author: | ShadowOpCode |
| Description: | Detects the outer .NET loader template that reconstructs a managed assembly from bitmap RGB data and invokes it reflectively |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| 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_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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