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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0
SHA3-384 hash: f05fcd6be872ca062c2297de6538b7cdbed1088f0c89ad89fe16afb50bcf522e22fee48fc3bbc9cf405498efb3809149
SHA1 hash: 651e7c4e0cafa630913b1eec139a27dfcc03859e
MD5 hash: 9ad4fc7be041b35881663f015277c011
humanhash: cardinal-bakerloo-river-india
File name:875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0
Download: download sample
Signature Formbook
Create hunting rule
File size:1'074'176 bytes
First seen:2026-09-04 20:19:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'218 x AgentTesla, 20'417 x Formbook, 12'370 x SnakeKeylogger)
ssdeep 24576:oYSawfiZIRQojCvDGqO8qwINd9t8S/nCubR8kEpQSoS9MrI:oYSawqaCv6gtIpt/nCeEeDW
TLSH T16B351224AB29E912D48653710676F7BA16744D9CF521C343AEFABCFB7875A1A7C083C0
TrID 72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon f0d8d8c979f0d4f0 (4 x Formbook, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6b66b188-366c-40e1-9d68-eab903806014/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-09-04 22:42:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4253b726-7a92-4a10-890a-b51d22f35d45

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/83975/
Detection(s):
Win.Packed.Misc-10060453-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6a9b27d6e088beff2ee374c4/reports/6e88d299-4797-4ac0-826b-299cd521552f/overview
Verdict:
Malicious
Labled as:
Trojan.Formbook
Link:
https://www.hybrid-analysis.com/sample/875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-03T01:21:00Z UTC
Last seen:
2026-08-27T05:59:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3adf6ca-4414-43e3-b863-4b4e32934aa7
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.29 Win 32 Exe x86
Link:
https://app.malva.re/file/9ad4fc7be041b35881663f015277c011
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-09-04 20:20:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q5olx57qxosfq4dv4jio2px7rjy5ziko7a24r7ra3bx4duyhghia._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/2eda6e37-c891-41f7-a4a7-43e4da8afdb3
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260904-y355eshh75/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
875cbbf7f0bba4587075e250ed3eff8a71dca14ef835c8fe20d86fc1d30731d0
MD5 hash:
9ad4fc7be041b35881663f015277c011
SHA1 hash:
651e7c4e0cafa630913b1eec139a27dfcc03859e
Link:
https://www.unpac.me/results/d60226f5-ec58-4f53-9ddf-96f646e4cb5a/
SH256 hash:
7993f3f39bf995971fca177dbfedab0008c1c5ad4b1a0197b760b46fbd744952
MD5 hash:
e6d1b71459b5f91ab361da3b12ea77a5
SHA1 hash:
0c474bd2506506b6d3a6876d74b63bb5ae1d3b64
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/d60226f5-ec58-4f53-9ddf-96f646e4cb5a/
Parent samples :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 hash:
0c814f2a371c3b73c3c46cc57e83cab52a43317016a53d1fcd1cc37e6caab00d
MD5 hash:
207654309acd18c986e74eb6bef6af3f
SHA1 hash:
477faf46b3998c0f00422bfe920ec12c75c2bbf4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/d60226f5-ec58-4f53-9ddf-96f646e4cb5a/
SH256 hash:
dfc0e295a44576e0006267b24efa98cc9f8217922c4f614ff6d2c87f4db0b516
MD5 hash:
06f146cfc33e0beb1d6cf63e385d7f57
SHA1 hash:
d97708b8228dd85ea6cb4d97f963097fa67d569d
Link:
https://www.unpac.me/results/d60226f5-ec58-4f53-9ddf-96f646e4cb5a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/875cbbf7f0bb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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/83975/

Comments