MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 57fe41c680f7b310c53b79015e7791749c5ce1d8dd14fa36b23d0ef127ee1b8f. 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: 15
| SHA256 hash: | 57fe41c680f7b310c53b79015e7791749c5ce1d8dd14fa36b23d0ef127ee1b8f |
|---|---|
| SHA3-384 hash: | 91da2594059a5dca00ddbc9ec70de747b9d474670d9d7dc5471a610e5685b0508b612b09a5d4bec449f49925fbf3ed44 |
| SHA1 hash: | cc54514de16d9af194832a5d4b47e97cabac958f |
| MD5 hash: | 13c67a5af7b70702d81b69a641f74c28 |
| humanhash: | wyoming-florida-yankee-crazy |
| File name: | 57fe41c680f7b310c53b79015e7791749c5ce1d8dd14fa36b23d0ef127ee1b8f |
| Download: | download sample |
| Signature | Formbook |
| File size: | 963'950 bytes |
| First seen: | 2025-10-09 15:15:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0293eec0b5432ad092f24065016203b2 (22 x GuLoader, 18 x RemcosRAT, 6 x Formbook) |
| ssdeep | 24576:ix2GacL6/jpPJ2V/LrrwiESEXf/e2xhoWPx44f5g09es+V8+Jqn:i9aPLT2t1EnlKWPxlfO09es+0 |
| TLSH | T1382523D0B95886B3F9620C32693FED2817A27E3939D75F4F56963122B9B71C29463083 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | e0e2a1a2a0b89898 (2 x Formbook, 1 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
89
Origin country :
HUVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
6176adddb1664196c5ca62cc0a93477ecaf244d38a825abb49e904874b698e27.rar
Verdict:
Malicious activity
Analysis date:
2025-10-09 15:50:05 UTC
Tags:
arch-exec formbook stealer xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
injection uloader virus nsis
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc obfuscated overlay packed packer_detected
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-28T23:57:00Z UTC
Last seen:
2025-10-09T10:33:00Z UTC
Hits:
~1000
Malware family:
Unlabeled
Verdict:
Unknown
Score:
95%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-09-29 04:15:43 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook adware discovery execution installer persistence ransomware rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Unpacked files
SH256 hash:
57fe41c680f7b310c53b79015e7791749c5ce1d8dd14fa36b23d0ef127ee1b8f
MD5 hash:
13c67a5af7b70702d81b69a641f74c28
SHA1 hash:
cc54514de16d9af194832a5d4b47e97cabac958f
SH256 hash:
0b9e57d7ac80c74b64802464c7206ccea92eccb500f5690e78e0c7780979ff35
MD5 hash:
2d3ec318bdb03cdddb2e271f1825f7ca
SHA1 hash:
3861931a33b522a278d6798fe99774c07702f7fc
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
SH256 hash:
b2699fdfdab6a018fcc972806d12f71972de1861660bb6578935d62b1da06504
MD5 hash:
3cea4c9994912d8f3c3e8b6a814e810e
SHA1 hash:
c48d34a0981d4ab576c7a3ab566f5ddb94af5d86
SH256 hash:
89b1e6509a1b45b32933e9d785a9c8c5b9ce7c616e1112dcf7fc3fa5ca27ebde
MD5 hash:
4a2f4fe4a3ad1de56ee6bf7dd4923963
SHA1 hash:
7cc68b94448c964fd99904e5784b059aed4d5daa
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.