MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0
SHA3-384 hash: 8c411d58561f0353e5c115d59084446b101e8b2772a530648ddc6d2a2764cf68cdbf90e1a39c25d9227afc5c0a77fbd6
SHA1 hash: 4eb9097f4f62103ddd3106bff5eb71de9f8e243e
MD5 hash: 7d95ad4efc26e41525aaeb3afc83b649
humanhash: texas-india-ohio-snake
File name:71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0
Download: download sample
Signature Formbook
Create hunting rule
File size:270'336 bytes
First seen:2024-04-03 12:56:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:w2PS9CD7BXz9TYWCl70wQd/Kr4jrBX+e:w6S0D7kWClAjKk/1
TLSH T1DD4412D80AD29815D53AD8BC71D51F4A1FDFFBC41804A340360A86A76CBC2EDAF284E7
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 13:22:49 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/e84dd341-3bac-4988-806c-b9a099b13fdf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
packed
Link:
https://www.filescan.io/uploads/660d5228391c61c479147bd4/reports/d3b8d7ca-4b31-4322-a40e-939b5883f94c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fb3e7d1f-608d-4ecf-af83-64b72500c4bd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419386
Signature
Antivirus / Scanner detection for submitted sample
Deletes itself after installation
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 12:57:10 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ogqnxf4gpfc7u2jfbksv4pmzpkxrd5peahny4woipz4tpy3dipya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240403-p6x4jsdg64/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
00a4a5384f76a8285967d604cc7a5f8b7f6edd92ecc2a42fa1d66d9eecf5676b
MD5 hash:
62c7e75fad91d868c52df2ef2ac57f58
SHA1 hash:
5c9442f14b56e35af2788d66d21ad42161897728
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
SH256 hash:
9bd732b738bf593603865d5ff698c712eabe7378e511e28d281e52f39bb5b7d3
MD5 hash:
abec65d74163f8ad9613100045d161a1
SHA1 hash:
b3fce445ae7a1b667300f7df37dfea1502cce2b7
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
SH256 hash:
7697d10fefa2610e6a1707ab12172f95020d3105fc7c46191d542c8a6d492fcc
MD5 hash:
a340684faf61cc0903e1858ecbc6f019
SHA1 hash:
8fb045204cb27dc58cd5e996fe7a5444ebda1adc
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
SH256 hash:
ff672e331328bff1189a60f13facfe547ea2adfa5668c50b711ac1afa3660083
MD5 hash:
07ab70554d10d36396e2a42c35d25393
SHA1 hash:
4cae74cacc9e62e9566ddef20156c9bc55dcc6c8
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
SH256 hash:
8275deb7b1bb822484ad81edf745916cca428c46ea3cd34cc79c3dd2d234687a
MD5 hash:
281eed4db1e7905193340180567f5591
SHA1 hash:
243265cc345bd2be287f29eaff10f9c74dec2234
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
SH256 hash:
87f1db53b53d8b36d6874194031f0d74fc0eea106731282d5f85ce3d8068b991
MD5 hash:
18573bb9d53ab55f6a52602b623c1971
SHA1 hash:
2083fd4b4e0a5420215a7a0b6d16ea53706047c6
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
SH256 hash:
6bcdeae38b0cbf45409293b9d8fba74d57d7c6ad48d70e9de60630491acda634
MD5 hash:
af93c7bf04cf09f41d68751489ea2ba0
SHA1 hash:
1586112b25865c7493b5035ccba64bec860a472c
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
SH256 hash:
71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0
MD5 hash:
7d95ad4efc26e41525aaeb3afc83b649
SHA1 hash:
4eb9097f4f62103ddd3106bff5eb71de9f8e243e
Link:
https://www.unpac.me/results/cf3b347c-1023-4107-bbef-6fb6eead5c69/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71a0db978679/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/71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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