MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e
SHA3-384 hash: e0b9ac8ac7af269ebd3308ae3dfab3d72f05dd665f2b7c4826eda4b7c4f101c75f418bfc7113000845480efed17d945b
SHA1 hash: 3cb15236c7b4e3e215787f916b4e0c28042ae354
MD5 hash: 3c723a1f7fb2d94308da84750fc7a75c
humanhash: sweet-seven-mango-red
File name:3c723a1f7fb2d94308da84750fc7a75c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:131'584 bytes
First seen:2025-02-06 16:03:07 UTC
Last seen:2025-02-17 20:27:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:Dp7N4kUfzbspKNMOccF6l3iMAelbWTz6aLYXDMx4:DVNXUMyMOUIGbWxS
TLSH T1B7D3B600A8D5CD76DB79963BF5E413632A2A5D2DF1922B251A03F7640CEAFB68D03374
TrID 56.5% (.EXE) Win64 Executable (generic) (10522/11/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:196-251-92-64 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
536
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Packed.Msilzilla-10008468-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a4df1051193558eb19a5f3
Tags:
extens trojan hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated
Link:
https://www.filescan.io/uploads/67a4dd4a763a7123b464e559/reports/37d87c88-2f69-49e8-bbae-9b4ec7688517/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e
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/073e8bd7-a40a-42f5-943c-91f7acc8e0d2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1608573
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-02-06 12:50:03 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uopikm6rq5wgnfmamtlrk4xi5mrtwco4j7bercqhuhadmapzr2pa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/250206-thfa2s1qap/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Downloads MZ/PE file
Verdict:
Malicious
Tags:
Win.Packed.Msilzilla-10008468-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c743948c-8087-471a-924b-fcbd8a968bdc
Unpacked files
SH256 hash:
a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e
MD5 hash:
3c723a1f7fb2d94308da84750fc7a75c
SHA1 hash:
3cb15236c7b4e3e215787f916b4e0c28042ae354
Link:
https://www.unpac.me/results/d900ac04-52a2-4ec5-84b2-949ab262f2b1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a39e8533d187/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e

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
Create hunting rule
Description:Detect pe file that no import table
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 a39e8533d1876c66958064d71572e8eb233b09dc4fc2488a07a1c03601f98e9e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3429876/
  
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