MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c421b3dfe5e73aaffae7fa858d1a1628d6dc09c7eccbcfbb42f027e20c0ac70. 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 3 File information Comments

SHA256 hash: 7c421b3dfe5e73aaffae7fa858d1a1628d6dc09c7eccbcfbb42f027e20c0ac70
SHA3-384 hash: 51ee2ffa9c340c8be62a2dd2b19d681f06d06a7e53366e62a3c3bfd5681addf58b6770bb5fdb5db808860f2d4aee105d
SHA1 hash: 0a0a23e6b839f0e588d422b3d376c4658b1978de
MD5 hash: 7176873d83d97247c18a9037ffa5964f
humanhash: idaho-social-floor-tennessee
File name:7176873d83d97247c18a9037ffa5964f.exe
Download: download sample
Signature Formbook
File size:288'768 bytes
First seen:2025-02-11 17:09:16 UTC
Last seen:2025-02-14 11:05:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:O3gKq2qxgsNelqH6Dgt4+DM5aMkF2ZZKWw+yImInZ5k7zz:agKqV3Nk+ogt4+DM5aMkF2PKPEZy/
TLSH T129542262C9C3E0FBEADA543A46B6297CC45D1F6B1F6743068178FB42C26448CB66930F
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 abuse_ch
Tags:196-251-92-64 exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
472
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7176873d83d97247c18a9037ffa5964f.exe
Verdict:
No threats detected
Analysis date:
2025-02-11 17:09:53 UTC
Tags:
n/a

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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt microsoft_visual_cc obfuscated overlay packed packed packer_detected
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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Machine Learning detection for 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1612323 Sample: JJ0tnjLiDS.exe Startdate: 11/02/2025 Architecture: WINDOWS Score: 100 24 www.zkplant.xyz 2->24 26 www.limiles.xyz 2->26 28 13 other IPs or domains 2->28 36 Suricata IDS alerts for network traffic 2->36 38 Antivirus detection for URL or domain 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 44 4 other signatures 2->44 9 JJ0tnjLiDS.exe 2->9         started        signatures3 42 Performs DNS queries to domains with low reputation 26->42 process4 signatures5 48 Maps a DLL or memory area into another process 9->48 12 x6fGRpae78G.exe 9->12 injected process6 signatures7 50 Found direct / indirect Syscall (likely to bypass EDR) 12->50 15 systray.exe 13 12->15         started        process8 signatures9 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54 56 Modifies the context of a thread in another process (thread injection) 15->56 58 3 other signatures 15->58 18 x6fGRpae78G.exe 15->18 injected 22 firefox.exe 15->22         started        process10 dnsIp11 30 www.limiles.xyz 209.74.64.58, 49997, 49998, 49999 MULTIBAND-NEWHOPEUS United States 18->30 32 newcdn.goedgecdnxx.com 104.214.171.173, 50013, 50014, 50015 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->32 34 7 other IPs or domains 18->34 46 Found direct / indirect Syscall (likely to bypass EDR) 18->46 signatures12
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-02-11 11:45:45 UTC
File Type:
PE (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Downloads MZ/PE file
Unpacked files
SH256 hash:
7c421b3dfe5e73aaffae7fa858d1a1628d6dc09c7eccbcfbb42f027e20c0ac70
MD5 hash:
7176873d83d97247c18a9037ffa5964f
SHA1 hash:
0a0a23e6b839f0e588d422b3d376c4658b1978de
SH256 hash:
83086870bdfaf67942ce5b7843af819df155e6c615e99584cb27269dc96e2006
MD5 hash:
3bf3bf29e95bf91e987a5a87564f6d9a
SHA1 hash:
7dddfb213e960aa621e620a7ef8871b8d2f6e3d8
Detections:
win_formbook_g0
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 7c421b3dfe5e73aaffae7fa858d1a1628d6dc09c7eccbcfbb42f027e20c0ac70

(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

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