MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91. 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: fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91
SHA3-384 hash: 3c9bc8f13ca8408a8f02b97847a55dd66387c89f0758b6474d762d2507771116828588464babd9e02792b3533394dc81
SHA1 hash: c670c97e448b165d3945626d3ea8f210aca89a0a
MD5 hash: 1666aeb3a5c6410ff1bbb436d062f355
humanhash: leopard-friend-friend-stream
File name:SecuriteInfo.com.Win32.TrojanX-gen.1819.6868
Download: download sample
Signature Formbook
Create hunting rule
File size:288'768 bytes
First seen:2025-03-10 19:35:54 UTC
Last seen:2025-03-19 13:10:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:afYgeZpCdpITOx+H3Tj436Ip3p4H0WGQ3I93Og:ahAkZxO3Tj2Hp3p4HmeI93Og
TLSH T1E3542348DFB3F13BD4C85537B16EB902AEB6925F70544B062A883BEC19941FD23589E3
TrID 35.7% (.EXE) Win32 Executable (generic) (4504/4/1)
16.3% (.ICL) Windows Icons Library (generic) (2059/9)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.8% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter SecuriteInfoCom
Tags:176-65-144-3 exe FormBook

Intelligence

File Origin
# of uploads :
7
# of downloads :
400
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.TrojanX-gen.1819.6868
Verdict:
No threats detected
Analysis date:
2025-03-11 04:55:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ba900413-ad3d-432d-b7b0-f57399a2d0e0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cf46c81f777fe30608c872
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/67cf3f343c5f644bd94be151/reports/7583be15-76cd-443b-8e98-493d6c2f06ea/overview
Verdict:
Malicious
Labled as:
Mikey.Generic
Link:
https://www.hybrid-analysis.com/sample/fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/836bc60c-a401-4d1a-9821-b126bac64bdf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1634275
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 12:02:03 UTC
File Type:
PE (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xcvsakmcccmapydiwexgguqlfgtjfvwkwyxxfv2mnin4gfbvkiq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250310-ybajfawwav/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/752c7fc5-5691-4e8c-a52c-9337e93db1c2
Unpacked files
SH256 hash:
fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91
MD5 hash:
1666aeb3a5c6410ff1bbb436d062f355
SHA1 hash:
c670c97e448b165d3945626d3ea8f210aca89a0a
Link:
https://www.unpac.me/results/3bc56fb0-de55-4889-ad49-0cfa635e7ba0/
SH256 hash:
ad1af4a90ea827c568e714e11fa94282bd6d2e1dc692eb453f15ed29946eb89f
MD5 hash:
a7a982c01c88ee69052e93c5cfef513d
SHA1 hash:
e7b92997d94747628ed0d9c1c88b3975b366d296
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3bc56fb0-de55-4889-ad49-0cfa635e7ba0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdc559014c10/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91

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: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: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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe fdc559014c1084c03f034589731a90594d3496b655b17b96ba6350de18a1aa91

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3473139/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments