MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d363f5cf402f0d93805a1ce7533ed38729fef31538b8a699a7dbe7ee39b58b43. 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: 20
| SHA256 hash: | d363f5cf402f0d93805a1ce7533ed38729fef31538b8a699a7dbe7ee39b58b43 |
|---|---|
| SHA3-384 hash: | 30fd244e9911e7af4cc161f542ea6e67b595be198443cf1ce5eabe0d3b95492697d88796bacc9d4aac5345bc6c2c2e75 |
| SHA1 hash: | 5df727567c721433396c8fdd56cfd4d9388d30a5 |
| MD5 hash: | a45b36ebb3b2ecca41b3252a94f06c59 |
| humanhash: | lithium-blue-missouri-delaware |
| File name: | PurchaseOder00019823333532.scr |
| Download: | download sample |
| Signature | Formbook |
| File size: | 773'632 bytes |
| First seen: | 2026-01-06 06:48:38 UTC |
| Last seen: | 2026-02-05 14:55:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger) |
| ssdeep | 12288:lQORovRUZ+WQt4wFfoqOKbtlO6GHZr62zuN2kxW:DoZUZpZwFfHOKbtla5rNr |
| Threatray | 2'513 similar samples on MalwareBazaar |
| TLSH | T19FF4F14433A9DF02D0A29BF519B0D77457B86E99F820D3078EEAADEB7839B405D50393 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  threatcat_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
145
Origin country :
CHVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
n/a
ID:
1
File name:
_d363f5cf402f0d93805a1ce7533ed38729fef31538b8a699a7dbe7ee39b58b43.exe
Verdict:
No threats detected
Analysis date:
2026-01-06 06:51:11 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:
70%
Tags:
micro
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
krypt masquerade packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-06T02:31:00Z UTC
Last seen:
2026-01-08T05:29:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Noon.HTTP.ServerRequest HEUR:Trojan.MSIL.Agent.gen BSS:Trojan.Win32.Generic Trojan.MSIL.Crypt.sb Trojan-PSW.Win32.Stealer.sb HEUR:Trojan-Spy.MSIL.Noon.gen Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb VHO:Trojan-PSW.MSIL.Agent.gen Trojan-Spy.Win32.Noon.sb
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
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: 0.40 Win 32 Exe x86
Verdict:
Malicious
Threat:
VHO:Trojan-Spy.MSIL.Noon
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2026-01-06 05:30:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 37 (62.16%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
unc_loader_078
Similar samples:
+ 2'503 additional samples on MalwareBazaar
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
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d363f5cf402f0d93805a1ce7533ed38729fef31538b8a699a7dbe7ee39b58b43
MD5 hash:
a45b36ebb3b2ecca41b3252a94f06c59
SHA1 hash:
5df727567c721433396c8fdd56cfd4d9388d30a5
SH256 hash:
33ba233794b8417690a4bbe7f663dc7d7ac1ad67a0af77157221c42a257a61a3
MD5 hash:
a0a581162f21283b25df6698a5f96dc2
SHA1 hash:
39c86724b669d286dbc9d7dd2e6eda4ba93e68dc
SH256 hash:
6236c8b902c5287c9598903719d68b5f6b86e54c5561f91e0e1b84fcfdbc5a3b
MD5 hash:
51ffb5971f9b44691acbdb73046f0149
SHA1 hash:
77c605097d2f5cf7187395c4aa9cca7d384df5c9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
9bd7b6f993657893e3d06eac033339afac6dda77e451f72e114f4ec19fb6b157
MD5 hash:
741fa4302597a591467265f02ded885b
SHA1 hash:
d3bb3f1a0f1172fbc23df1e60c9739d6927f5700
SH256 hash:
0cb5b7ff8e8c0f5237ba70ab51aaa0fb9f33e437fc6a5e9878af1192da450c37
MD5 hash:
c116ec5c7688d16265572bd9b21bc401
SHA1 hash:
a9b6764c5d13402b383fc47d82937f7ca4d84eeb
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| 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: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| 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: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | TH_Win_ETW_Bypass_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Windows ETW Bypass Detection Rule - 2025 |
| Reference: | https://cyfare.net/ |
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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