MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302. 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 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302
SHA3-384 hash: e58ea959b71fa7c5cf673195988432a76e514170432efa0859cae4165d3661e45ccc9d6c38bd311c07325bd702c0f1e0
SHA1 hash: b934b149ae050294d36b10ac85dfdf0499d04996
MD5 hash: 98a45d8cc967697a6b5795343564d44c
humanhash: minnesota-oranges-zulu-florida
File name:msedge_elf.dll
Download: download sample
Signature Formbook
Create hunting rule
File size:1'654'784 bytes
First seen:2025-12-15 21:15:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f92cf5ec2191db2beed58d55041dd97 (2 x Formbook)
ssdeep 24576:uJ5g+C2NpCtQjbd86k57JzD6K8EpGyHR2qc5YOTKNJZ/paYhgpASlU:uJ5g8Bc7JSKfU5qcWdjarASl
Threatray 1 similar samples on MalwareBazaar
TLSH T1BD75BE14E3D811A8E52BD674CA666232E671784A4771E9CF0B99C7192F33FD0AB3B311
TrID 66.6% (.EXE) InstallShield setup (43053/19/16)
16.2% (.EXE) Win64 Executable (generic) (10522/11/4)
7.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.1% (.EXE) OS/2 Executable (generic) (2029/13)
3.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Anonymous
Tags:dll exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
formbook
Create hunting rule
ID:
1
File name:
_a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302.dll
Verdict:
Malicious activity
Analysis date:
2025-12-15 21:19:04 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/d4479c64-7cb4-40a8-b97d-74c1f132141c

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/45153/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69407aa2cacd1005450d8692
Tags:
shell sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context fingerprint masquerade microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/69407a6d3f8fdbf8e946f09d/reports/27f68fcf-ddbc-41d6-af1c-6a69e2195d30/overview
Verdict:
Malicious
Labled as:
Win64/Agent.ECK trojan
Link:
https://www.hybrid-analysis.com/sample/a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-12-15T06:33:00Z UTC
Last seen:
2025-12-17T19:23:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Win32.Noon.sb Trojan.Win32.Injector.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C HEUR:Trojan.Win64.Generic
Link:
https://opentip.kaspersky.com/a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/21e4931c-62ae-4ffa-8355-314d941ef88d
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/98a45d8cc967697a6b5795343564d44c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-12-15 20:48:25 UTC
File Type:
PE+ (Dll)
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=udwm3kexjfetlmohzzizhx4krhvjfubtzaavf7375hgiefpwomba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/251215-z32bxagq4y/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/db1a4079-01ef-4d48-aa39-754bdd573e70
Unpacked files
SH256 hash:
a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302
MD5 hash:
98a45d8cc967697a6b5795343564d44c
SHA1 hash:
b934b149ae050294d36b10ac85dfdf0499d04996
Link:
https://www.unpac.me/results/f72f87e9-216f-4f46-ae08-aee078dde087/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a0eccda89749/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/a0eccda897494935b1c7ce5193df8a89ea92d033c80152ff7fe9cc8215f67302

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__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
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:pe_detect_tls_callbacks
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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/45153/

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