MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65e6633b1a99bf5b6a71d8fb26ec5130b0db075c0a838301d8120e32b7ca847b. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments

SHA256 hash: 65e6633b1a99bf5b6a71d8fb26ec5130b0db075c0a838301d8120e32b7ca847b
SHA3-384 hash: 162cb5a89535f97530921b6ac2dd071c3a33f97f960ed5b3e143388a82f99fbfdd86453cc2120174fcd7766d6843dd1f
SHA1 hash: f22953cd04a52fc0cd2fc313ebfc5b329598abb0
MD5 hash: f6e330ca595ee7f05ddbecb8cd851350
humanhash: romeo-moon-eight-lactose
File name:65e6633b1a99bf5b6a71d8fb26ec5130b0db075c0a838301d8120e32b7ca847b
Download: download sample
Signature Formbook
File size:286'208 bytes
First seen:2024-09-26 12:00:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:FrjAFi6J7yALSGDZyNw3ENr3DA59jli+GXWCzXKihuztQ6:FwFVJ7yY1yNfrMzjl2WCz6O2tQ6
Threatray 52 similar samples on MalwareBazaar
TLSH T1B154D030E543D878E2F32075F5EA125F983E6C344124A163EBE505EAE9A58E8313D76F
TrID 30.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
21.2% (.EXE) Win32 Executable (generic) (4504/4/1)
9.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
9.6% (.ICL) Windows Icons Library (generic) (2059/9)
9.5% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter NDA0E
Tags:AlphaBank exe FormBook geo GRC unpacked

Intelligence


File Origin
# of uploads :
1
# of downloads :
470
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
65e6633b1a99bf5b6a71d8fb26ec5130b0db075c0a838301d8120e32b7ca847b
Verdict:
No threats detected
Analysis date:
2024-09-26 12:03:27 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Shellcode
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2024-09-26 12:01:56 UTC
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
stealer formbook
YARA:
Formbook Windows_Trojan_Formbook_1112e116 Windows_Trojan_Formbook
Unpacked files
SH256 hash:
65e6633b1a99bf5b6a71d8fb26ec5130b0db075c0a838301d8120e32b7ca847b
MD5 hash:
f6e330ca595ee7f05ddbecb8cd851350
SHA1 hash:
f22953cd04a52fc0cd2fc313ebfc5b329598abb0
Detections:
win_formbook_g0 win_formbook_w0
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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

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

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