MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a7ea3fe58f34a7d875364d4369debed7607e29ff650aaff30239bcd24e00d16. 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 3 File information Comments

SHA256 hash: 9a7ea3fe58f34a7d875364d4369debed7607e29ff650aaff30239bcd24e00d16
SHA3-384 hash: 4c7a589c3806ecdc89825e7141c295714f554e9ee8379b9265cf3b7a43f28a69fa3b7aec57936b46fe808d22a27d649a
SHA1 hash: e56cfa60e71196e19bb98c22eef2f7f19afb45da
MD5 hash: b678534f081b63fedbcd5fedf125cc89
humanhash: charlie-sixteen-zulu-nevada
File name:BIG.exe
Download: download sample
Signature Formbook
File size:295'424 bytes
First seen:2025-05-27 16:11:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:lDYISdmiBDI7HxyVpKbFUbSBJ2lgYf127Hur8ymgCXcbf5qgy35m:lDHJe13YF8eJYgi27Gmg5f5q+
TLSH T1DC5423170A876827D1DCB5B594231328455EEE7A4754CB29B37F1DB1F320E3B2A781CA
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 JAMESWT_WT
Tags:176-65-142-252 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
425
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inquiry_Doc00494.js
Verdict:
Malicious activity
Analysis date:
2025-05-27 15:46:00 UTC
Tags:
loader arch-exec exploit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
injection virus zpack
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt microsoft_visual_cc overlay packed packed packer_detected zero
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-05-26 10:57:37 UTC
File Type:
PE (Exe)
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
9a7ea3fe58f34a7d875364d4369debed7607e29ff650aaff30239bcd24e00d16
MD5 hash:
b678534f081b63fedbcd5fedf125cc89
SHA1 hash:
e56cfa60e71196e19bb98c22eef2f7f19afb45da
SH256 hash:
7687a802c5c5a2743c33bf2e9dbd50123ff8cd6a57f1a0418c6f92320e9b38c6
MD5 hash:
897226a8a035a1b52e668c606b6ea628
SHA1 hash:
8785a72e2ed8a8dad34d9317dc150c51b1ac1d80
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:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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 9a7ea3fe58f34a7d875364d4369debed7607e29ff650aaff30239bcd24e00d16

(this sample)

  
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