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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5
SHA3-384 hash: 75cc87641e67bc966ff70badce28990b5114e5216354e7d6b676d2156263e08053139a41a8cab2662645264e19d71d67
SHA1 hash: e4f11c4bb4353382fcac5daef0c597e4f1f22cfa
MD5 hash: 6ff26b74fc9ec8a190966a9caa97ae39
humanhash: violet-romeo-item-stream
File name:ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5
Download: download sample
Signature Formbook
Create hunting rule
File size:1'042'944 bytes
First seen:2026-09-10 11:17:16 UTC
Last seen:2026-10-19 07:26:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'364 x AgentTesla, 20'869 x Formbook, 12'418 x SnakeKeylogger)
ssdeep 24576:3o+37zQve7hdBkyO2V8FwH/AsbxB8/7ke:3jzh3BvOy8FcA9ke
TLSH T125252225A304F526DA6E1B3A0AB2D37167744D8DE538D36BCEED9DEB7D003516C08B82
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 286064ecc4d0e460 (2 x Formbook, 2 x RemcosRAT, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
143
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0d7d94e9-9cda-499e-b896-2d5027c17b5a/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-10 14:26:32 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/27b32fd2-79ec-48fe-9eb7-bb96dc885b32

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/84959/
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac9727f874bb415d07c939f
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Blocking the Windows Defender launch
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-26T21:00:00Z UTC
Last seen:
2026-09-12T08:38:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6aab70e4-c005-43c1-8e1e-a0c1a4205634
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.23 Win 32 Exe x86
Link:
https://app.malva.re/file/6ff26b74fc9ec8a190966a9caa97ae39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2026-08-26 23:54:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
26 of 36 (72.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vncw7tzq52qn7lpvzxq6x2a522jk3oydgbtavm6v5ojrjpjjfxkq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/260910-ndv8tawsas/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Modifies Windows Defender DisableAntiSpyware settings
Unpacked files
SH256 hash:
ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5
MD5 hash:
6ff26b74fc9ec8a190966a9caa97ae39
SHA1 hash:
e4f11c4bb4353382fcac5daef0c597e4f1f22cfa
Link:
https://www.unpac.me/results/29cbd64c-050a-488f-b6d1-83dd885a2aef/
SH256 hash:
446e51a775714b008fecef77acc27b3e102135613e2d647ef15f918981da24af
MD5 hash:
c68166618244f531dc8878f74665cceb
SHA1 hash:
176e93c7c04984caa1edf44747136dfdf2d84ba6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/29cbd64c-050a-488f-b6d1-83dd885a2aef/
SH256 hash:
2b0a3e1c220e8a98eb358a391da117b853882e411df4c9bbf54acc7ae629061f
MD5 hash:
38181717c94e497221567b84b23a75d0
SHA1 hash:
48332b950e1ee5fb10c3ee5eb8705e01e603edda
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/29cbd64c-050a-488f-b6d1-83dd885a2aef/
Parent samples :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 hash:
0aca3c39b8c20307b95837586d3c02a49b22613ca19469819af9716a066f6eb0
MD5 hash:
1f47e045ae948e114c740b5f31d40ca5
SHA1 hash:
eff74fa9390241d126ce837d3cf2a6fe21142e32
Link:
https://www.unpac.me/results/29cbd64c-050a-488f-b6d1-83dd885a2aef/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab456fcf30ee/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ab456fcf30eea0dfadf5cde1ebe81dd692adbb0330660ab3d5eb9314bd292dd5

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/84959/

Comments