MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 33e3c3bacfaf4035d13503a8855e5f1c17b5801ea988e72e2bb939ab58c12f39. 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: 18
| SHA256 hash: | 33e3c3bacfaf4035d13503a8855e5f1c17b5801ea988e72e2bb939ab58c12f39 |
|---|---|
| SHA3-384 hash: | b3b931984d2fff4a233897a7baf042c532b0f61571136e6362bb20a4423e85663ffd43b9f89a3ade936b21578e9b7989 |
| SHA1 hash: | d589e401589d8f55c479c906aea19c541e6bde3e |
| MD5 hash: | d2d7a606998c511fd96728b2bb660078 |
| humanhash: | romeo-sweet-steak-mobile |
| File name: | 33e3c3bacfaf4035d13503a8855e5f1c17b5801ea988e72e2bb939ab58c12f39 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 873'992 bytes |
| First seen: | 2025-10-09 14:54:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:XbhqhqhdCcFe/BChrFt4Zv9sp2GE/sl7lt1EvbXZVMr56UmlMPkR:XbhqhqhHSvZl6Eq7/Gv9VM7ml7 |
| Threatray | 2'015 similar samples on MalwareBazaar |
| TLSH | T11105E0513EC69D03C5F78AB90DA0DF384B6D7DCBA430C1AE6ADE9DAFB8947401C0855A |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
57
Origin country :
HUVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
OVERDUE INVOICES.zip
Verdict:
Malicious activity
Analysis date:
2025-09-25 12:06:49 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:
Formbook
Verdict:
Malicious
Score:
99.1%
Tags:
virus spawn msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
invalid-signature negasteal obfuscated packed packed packer_detected signed vbnet
Verdict:
Malicious
Labled as:
Lazy.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-24T22:07:00Z UTC
Last seen:
2025-10-07T08:11:00Z UTC
Hits:
~1000
Malware family:
Agent Tesla
Verdict:
Malicious
Score:
99%
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: 0.36 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-09-25 02:28:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
25 of 36 (69.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
unc_loader_078
unc_loader_037
Similar samples:
+ 2'005 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook defense_evasion discovery execution rat spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
33e3c3bacfaf4035d13503a8855e5f1c17b5801ea988e72e2bb939ab58c12f39
MD5 hash:
d2d7a606998c511fd96728b2bb660078
SHA1 hash:
d589e401589d8f55c479c906aea19c541e6bde3e
SH256 hash:
57dacc029e706ae184b9f8c3f8efe78b04919967b622d84261d2bf6cc7b1ff62
MD5 hash:
e0d6c5d15b34e08ed4602a1f2a22dd00
SHA1 hash:
129df54a2a54863c5fa96531d12be6702ed302cc
SH256 hash:
a468fcb84f57afdccfcd73c26c9b54e90a7836adf88c9810700debf6a6ea5cb7
MD5 hash:
f56593d3d027b2f65925a6b2d9421bed
SHA1 hash:
74993174439e3bbb2d052098ad2e303e6ecf3e89
SH256 hash:
01651992f62bf7bad90c2336cc34eabd3796c1665aa7f1ad4abd890ac746b0ca
MD5 hash:
eb7c71336f2b16170387c237abce3c84
SHA1 hash:
c1c5cb45da9520a7deb214a59a574546709fded9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
fb9c14e9db60c4bf660b45586e35ba1413be52f94ca8110fb7fe39c13b7a7e2d
MD5 hash:
e43d4e20310d5b28cc5124d585ae1beb
SHA1 hash:
23853906f140e6b7cbc547fb7da0f33a9e203667
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: | INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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