MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
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SHA256 hash: 52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed
SHA3-384 hash: 63b368dc34b17e69c720b241b6ea48ff47040a04101ac965b4cbd83858db9a61bd6590f17c82798cd630d50e7924fad3
SHA1 hash: 612c304c7585a8b833b013ef2fd68d95a344a160
MD5 hash: 04fdd1b957bbd14242b2de6b28ddedcf
humanhash: hawaii-autumn-oven-vegan
File name:52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed
Download: download sample
Signature Formbook
Create hunting rule
File size:826'368 bytes
First seen:2025-03-10 11:50:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:WNL+y6YeXY/e109KeA1xTgS16FXKy6TB5n3nCRfQoUX+caxZpNBbDtj3D2hZwLQY:1BT70KfTB5n3nCdQvwpNTX2WoaGg
TLSH T1D205CF041398C91AD13F1BB858B4C1714FB96E6EF922D31A5ED4ACEB7EB6B104D22347
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
360
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed.exe
Verdict:
No threats detected
Analysis date:
2025-03-10 11:59:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/80cb79c5-ed9d-4f07-965a-3bacf4e52ee2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ced4051f777fe3060894a6
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected remcos vbnet
Link:
https://www.filescan.io/uploads/67ced23a3c5f644bd94b20fa/reports/70eca91d-5ba6-48bb-a286-43d586c62252/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed
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/60c2b9d2-fc09-4007-b109-34cf448b8bd3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1634713
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
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)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634713 Sample: X5XvFQ74ww.exe Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 41 www.fbzhvub.xyz 2->41 43 www.30a.xyz 2->43 45 9 other IPs or domains 2->45 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 77 9 other signatures 2->77 11 X5XvFQ74ww.exe 4 2->11         started        15 svchost.exe 1 1 2->15         started        signatures3 75 Performs DNS queries to domains with low reputation 43->75 process4 dnsIp5 39 C:\Users\user\AppData\...\X5XvFQ74ww.exe.log, ASCII 11->39 dropped 79 Adds a directory exclusion to Windows Defender 11->79 81 Tries to detect virtualization through RDTSC time measurements 11->81 83 Injects a PE file into a foreign processes 11->83 85 Switches to a custom stack to bypass stack traces 11->85 18 X5XvFQ74ww.exe 11->18         started        21 powershell.exe 23 11->21         started        23 X5XvFQ74ww.exe 11->23         started        49 127.0.0.1 unknown unknown 15->49 file6 signatures7 process8 signatures9 59 Modifies the context of a thread in another process (thread injection) 18->59 61 Maps a DLL or memory area into another process 18->61 63 Sample uses process hollowing technique 18->63 67 2 other signatures 18->67 25 explorer.exe 52 1 18->25 injected 65 Loading BitLocker PowerShell Module 21->65 28 WmiPrvSE.exe 21->28         started        30 conhost.exe 21->30         started        process10 dnsIp11 47 204.79.197.203, 443 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->47 32 chkdsk.exe 25->32         started        process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 32->51 53 Maps a DLL or memory area into another process 32->53 55 Tries to detect virtualization through RDTSC time measurements 32->55 57 Switches to a custom stack to bypass stack traces 32->57 35 cmd.exe 1 32->35         started        process14 process15 37 conhost.exe 35->37         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-02-24 22:55:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ki2jxj3t4lnuwxfsz6thbuw5637trsmkebjphlghle4xrpum5lwq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sm05 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250310-nz9y4atlt6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4f41e045-f350-4dfc-a01d-1037aaf496d9
Unpacked files
SH256 hash:
52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed
MD5 hash:
04fdd1b957bbd14242b2de6b28ddedcf
SHA1 hash:
612c304c7585a8b833b013ef2fd68d95a344a160
Link:
https://www.unpac.me/results/fd82397b-cc76-403c-bff7-9e775ef36e00/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/fd82397b-cc76-403c-bff7-9e775ef36e00/
SH256 hash:
d62d207de03a3494fd8c9e99507ec0992b29f23a041470592a7638e9e5db4b5b
MD5 hash:
79a945b47614f616ced9d43d82cc086a
SHA1 hash:
5a49565911668b93f1ccbe44a47696a0c1397510
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/fd82397b-cc76-403c-bff7-9e775ef36e00/
SH256 hash:
52aa7c16a6eb4c879d8a879c8656c693cdbf77f418992d7bb932f46aba26732d
MD5 hash:
cb6ce91ee0ad5ebecb34230447253091
SHA1 hash:
b70fcf60d705b9414ad3b6b997412e7ad75e96a3
Link:
https://www.unpac.me/results/fd82397b-cc76-403c-bff7-9e775ef36e00/
SH256 hash:
af2d03d7f679400daccf3c6332bdfb2840aba32893a576ed87cbe06def8622c2
MD5 hash:
94baa64a2510fd48bf6918c09f75d9e6
SHA1 hash:
075a17f1bdf9285f6d01658d79683942dbdaef6e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/fd82397b-cc76-403c-bff7-9e775ef36e00/
Parent samples :
ddd294075c549d450ca2980348b9aa282fbc1cdc1f032b62f12f991365412fa5
52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52349ba773e2/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/52349ba773e2db4b5cb2cfa670d2ddf6ff38c98a2052f3acc7593978be8ceaed

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

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
CHECK_TRUST_INFORequires Elevated Execution (Unrestricted:true)high

Comments