MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d7b27383e46ef66478db4728b6ebfe7ab62d7ad5acde44335ddb50e66d561f83. 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: 17
| SHA256 hash: | d7b27383e46ef66478db4728b6ebfe7ab62d7ad5acde44335ddb50e66d561f83 |
|---|---|
| SHA3-384 hash: | 1dd07d0e0054c1e49db530c2dca70528a69ce8c745f0be79f836f78f8dbdc9a547e62dc03b2656f68bb3888e6f48451e |
| SHA1 hash: | a9e6f9b127622980042f60fcbc1307a44b0d6003 |
| MD5 hash: | 51a58c238986fcaaaf77c3c6d1a9e56d |
| humanhash: | mississippi-beryllium-delaware-nebraska |
| File name: | rWaybillNo_4630813235.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'203'712 bytes |
| First seen: | 2025-11-11 19:00:17 UTC |
| Last seen: | 2025-12-08 14:40:08 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 91d07a5e22681e70764519ae943a5883 (126 x Formbook, 32 x a310Logger, 27 x AgentTesla) |
| ssdeep | 24576:ztb20pkaCqT5TBWgNQ7aTUM3IJV0aVlA6Hq+6A:wVg5tQ7aTjkVXx5 |
| Threatray | 2'753 similar samples on MalwareBazaar |
| TLSH | T1A745CF1273ED8361C3B25273BA257741BEBF7C2506A5F96B2FD4093DE820162521EA73 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  FXOLabs |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
141
Origin country :
BRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_d7b27383e46ef66478db4728b6ebfe7ab62d7ad5acde44335ddb50e66d561f83.exe
Verdict:
No threats detected
Analysis date:
2025-11-11 19:02:03 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:
92.5%
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint installer-heuristic keylogger microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-11T08:51:00Z UTC
Last seen:
2025-11-13T16:31:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Win32.Noon.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan-Spy.Win32.Noon.bnpo Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.Win32.Zenpak.sb Trojan.Win32.Auzenpak.sb
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.FORMBOOK
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-11-11 11:45:44 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
26 of 38 (68.42%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
autoit
Similar samples:
+ 2'743 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d7b27383e46ef66478db4728b6ebfe7ab62d7ad5acde44335ddb50e66d561f83
MD5 hash:
51a58c238986fcaaaf77c3c6d1a9e56d
SHA1 hash:
a9e6f9b127622980042f60fcbc1307a44b0d6003
SH256 hash:
7cdd30a563a2a41bcfd26e78a9f9b662fe76b0aad24d3d0c91d72e0ecd6039d0
MD5 hash:
ab0a3863b8411858280b1dc361533659
SHA1 hash:
bfab6bee1f332333926d3ecfa607dd75b601ac59
SH256 hash:
3069c1c0f0c53d9d56dc3b619671060733307fe7fe8f2893970fc5385360d5d6
MD5 hash:
a2d452673205567936173b72147092a5
SHA1 hash:
c4e71d3982a5971d2c48fc9d952f86fc7843508e
Detections:
win_formbook_g0
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: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
| Rule name: | YahLover |
|---|---|
| Author: | Kevin Falcoz |
| Description: | YahLover |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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