MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec
SHA3-384 hash: 53f6b42ffa8759a8a1e24a396f23fceefb2ce0e20ebd45ed632c8a2ee28681e11214b8fc0cc0a5c0cade517c1005861e
SHA1 hash: a7e4090b312a7095b95cdcb22e9d66ab6793cff2
MD5 hash: 2781c66a3dacba3d64047f32c222907b
humanhash: fourteen-diet-red-cardinal
File name:c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec
Download: download sample
Signature Formbook
Create hunting rule
File size:1'080'320 bytes
First seen:2026-08-10 14:36:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'190 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:1p506IEipGQ4xLjALW7TOasIrJ5DCjhZySyT3Ykne:1pbI5pZIALW7TOEbDKQSIS
TLSH T1F63501541356DA42E0E68BF6A871D37432B80DDFBAD2C3C69FE96FF778283806554182
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
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dccaef76-6b19-4df9-b6bd-fadd3c844219/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
agenttesla entropy obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/6a79e22469834dc6806956f1/reports/2adc7679-92da-4bd5-b7b6-b338f6844728/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-21T04:44:00Z UTC
Last seen:
2026-08-10T05:50:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-07-21 14:34:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygjfbu4rffxewwye6bhx55kkciqk5plkjcr6b2qdwsm44gb4bdwa._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/ba00c3d2-65cc-45c6-8dd5-0be8735014e8
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-r59gas1dje/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec
MD5 hash:
2781c66a3dacba3d64047f32c222907b
SHA1 hash:
a7e4090b312a7095b95cdcb22e9d66ab6793cff2
Link:
https://www.unpac.me/results/0ce2bc9f-d839-40f7-bcde-9613f1c7a2cd/
SH256 hash:
e4e98c56847f65b0ec79dd0fcd73f780be8e5b64a78def50b3d447c6a22aab6d
MD5 hash:
3e279146474e41a20e10d71196dea18c
SHA1 hash:
c3abd761f47fc10a6e546d214517de85e1cb64a0
Link:
https://www.unpac.me/results/0ce2bc9f-d839-40f7-bcde-9613f1c7a2cd/
SH256 hash:
c1d36f3e40060c19f0f44efb47351def1466693409ace0806d8da5dbaa7a9dfb
MD5 hash:
4fc619addb02cf7d66c771a6227899e7
SHA1 hash:
ff8ce2f69e791ea35732620922c882b6bbf9fa7b
Link:
https://www.unpac.me/results/0ce2bc9f-d839-40f7-bcde-9613f1c7a2cd/
SH256 hash:
c53c54158af280a5be9a481deef57f77e6215c1eea433b2fb373420ed915bc4f
MD5 hash:
559cd1126dca0f29f681c2e33da36664
SHA1 hash:
84d125f6b9873bb0d5c0f6fb4e554631784bc423
Link:
https://www.unpac.me/results/0ce2bc9f-d839-40f7-bcde-9613f1c7a2cd/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c19250d39129/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/c19250d391296e4b5b04f04f7ef54a1220aebd6a48a3e0ea03b499ce183c08ec

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/79941/

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