MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967
SHA3-384 hash: 027996dffeb9da0f6486d72a04f583a512980920df4219561265abd008160e9841b1301f8ce59881d728d9cae977ee02
SHA1 hash: 36037fe5966b8bd362ffa61e62ec9ab222c5c1b0
MD5 hash: ba01a66f53cb2d4c922034d67a13925c
humanhash: muppet-jersey-wolfram-march
File name:51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967
Download: download sample
Signature Formbook
Create hunting rule
File size:1'026'048 bytes
First seen:2026-05-08 13:07:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:PUYXJULWxQlBYQBDo9QnMdd2cg9SJS0vXi:pyjnRpnMe+y
Threatray 2'798 similar samples on MalwareBazaar
TLSH T1C92512A992A8C606E1A60F740936E07427B96CDDF620C20F9FCD7EDFB57A7100599353
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon e886e48c8ea6cc86 (4 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-05-08 18:13:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/abae50ff-c18e-472c-bdd5-1bfd9755c51e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65200/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3520.23212.9974.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 explorer lolbin obfuscated packed tracker vbnet
Link:
https://www.filescan.io/uploads/69fde05686e92bda70248320/reports/175b2686-e8c8-4b8a-927d-50706e17fc2d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-13T03:50:00Z UTC
Last seen:
2026-05-10T11:02:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23cfb07f-9283-4f10-9dc0-52ba2dc10913
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967/
Threat name:
ByteCode-MSIL.Trojan.Convagent
Create hunting rule
Status:
Malicious
First seen:
2026-04-13 11:53:55 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
11
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgwt3wysg5qmutr2wkuovkwcqxxntxodxqttq44i7uozhslpxftq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a993640c09796e86f5284f0bd4177a40e50399f43905dbd0947e3ec1fea1c4f
Formbook
10604816cb1e1e26be33e423bc5488ebad96ec0eaef8c79e7701a1c4531d8da6
Formbook
3dc175bf861340b97aa3de7ba407113cd540fd4b0b4525f5ee1792932f5785f0
Formbook
79b1d72476c6d6525e17a5c409aca357b793a6d1f4c8fba23d3da19ca2efdb87
Formbook
9aacadaedfc7a79b8e077b37a8d2b89c83b2b7e213200a613488d9e3124b64c4
Formbook
a25fae26922ee1223edd81a29e05e84bbd4dd43eaea8596397f6be2d159f6eeb
Formbook
abff69c0d2985c11e4e92309178f13b8857d44498303dff2c074e772b23c8023
Formbook
cb70357549841be383d38d9c155e6cb95b46c1711f7e67c8a2274d1166a3a538
Formbook
d757052f889b71f80d4c641cb535c485d3b699a74b77d414d4dd53029036679f
Formbook
error
Formbook
+ 2'788 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260508-qdjacsc14p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967
MD5 hash:
ba01a66f53cb2d4c922034d67a13925c
SHA1 hash:
36037fe5966b8bd362ffa61e62ec9ab222c5c1b0
Link:
https://www.unpac.me/results/31aed174-06b2-4a4d-8875-601f3fd25549/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51ad3ddb1237/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/51ad3ddb123760ca4e3ab2a8eaaac285eed9ddc3bc27387388fd1d93c96fb967

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/65200/

Comments