MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa. 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 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa
SHA3-384 hash: d06fa3bdcf59ce211db21bb30a75808099d7d90a83b687969d90d623166274cd6ebe5fab23f34b183e6fda8603cfb987
SHA1 hash: 2387d3e6408e63d413c7e1e0c7ff98f12dca4eb9
MD5 hash: a3553e5cf853fb64aecb4b6e5bbf9379
humanhash: fruit-fish-blue-kilo
File name:msedge_elf.dll
Download: download sample
Signature Formbook
Create hunting rule
File size:1'283'584 bytes
First seen:2025-12-19 14:06:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2b6f1f9b9c01fd7c207f27beb4a86c02 (2 x Formbook)
ssdeep 24576:hng/SSswsZP102wcKwrVzIwX3S7ZIZzsyJ3TnK:hnsEwFFwrVzIwXily5+
Threatray 2'419 similar samples on MalwareBazaar
TLSH T188559D10A3E40778D577D274CABB8332DBB1785157709ACF0295D61E1E33BD0AA3A72A
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
formbook
Create hunting rule
ID:
1
File name:
msedge_elf.dll
Verdict:
Malicious activity
Analysis date:
2025-12-19 14:07:26 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/32122a25-89d5-41c4-93a3-e8bf08933304

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/45513/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69455c1529df60c6e007bf84
Tags:
virus
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto masquerade microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/69455c135ceddcfa3ff61f29/reports/4fa9ec21-8a29-41ac-a674-96397ac85f8f/overview
Verdict:
Malicious
Labled as:
Generik.MBJIMGL trojan
Link:
https://www.hybrid-analysis.com/sample/c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-12-19T00:36:00Z UTC
Last seen:
2025-12-21T12:32:00Z UTC
Hits:
~1000
Detections:
VHO:Backdoor.Win32.Agent.gen Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan.Win32.Inject.sb Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.bozw Trojan.Win32.Injector.sb PDM:Trojan.Win32.Generic VHO:Trojan.Win32.Inject.gen
Link:
https://opentip.kaspersky.com/c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/85994d86-cde5-4497-be6b-b21f61158b92
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/a3553e5cf853fb64aecb4b6e5bbf9379
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa
Threat name:
Win64.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-12-19 03:41:54 UTC
File Type:
PE+ (Dll)
AV detection:
12 of 37 (32.43%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhtzjpn4753wvgnlujfbt26bv7fkqqsyezdsyliohze3lh4cbkva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d2d887adcdf6309c4532e75ddb508db33402c7a488c3e2b8943c6721dab6708
Formbook
31b67bb6dab9508f2c6d14e2401bc290ee930609cee21c515158c72537680bf2
Formbook
c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa
Formbook
error
Formbook
f98c2c567f36a0d6f93d0727d1635ae56ff00987ed1090c9783104bc99b77654
Formbook
+ 2'409 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/251223-p95ykazmbx/
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/76f78c3d-33b5-4b6c-b5ca-bc7c55282567
Unpacked files
SH256 hash:
c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa
MD5 hash:
a3553e5cf853fb64aecb4b6e5bbf9379
SHA1 hash:
2387d3e6408e63d413c7e1e0c7ff98f12dca4eb9
Link:
https://www.unpac.me/results/4572c7d9-ec33-4f7c-9ab9-be3a0c8d8f80/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1e794bdbcff/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/c1e794bdbcff776a99aba24a19ebc1afcaa8425826472c2d0e3e49b59f820aaa

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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/45513/

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