MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
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SHA256 hash: f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
SHA3-384 hash: 894cd871e041d6dfffac93bbccf7fdb95bda857e94289e90b059a67fdd40166dc0cb7f71242068da0071add4232b5103
SHA1 hash: a6c4fc9de2139df0485f47870246669ce5d07cd7
MD5 hash: 2198f4e827dc059500971ac9c2f727c6
humanhash: sixteen-diet-tennessee-nitrogen
File name:f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
Download: download sample
Signature Formbook
Create hunting rule
File size:674'304 bytes
First seen:2025-04-08 08:26:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:AdkuYyOn6nzx5JCmks1Pj8un/9Pu4cTG4zvcv4iiYpEjl91H0Mcjkd+tDCVfyAo:SY9n6nlJk6i4e1DcRiEEjl91UMXdED4W
Threatray 1 similar samples on MalwareBazaar
TLSH T199E4F19CA74DD213CA951BB81A71FA7903781EDEE812D3168FCDADEFB962B101D441C2
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 :
317
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
Verdict:
No threats detected
Analysis date:
2025-04-08 11:57:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c7ac114-fd53-4262-91a7-400fb97f3711

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4dfa5a695a0cd1facae51
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67f4ddac40adfb5162bbfcf1/reports/46301d09-1799-44b3-99c6-099add64c0a5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3a2c63a7-327e-4ea6-9a90-494188676bf9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659120
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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: 1659120 Sample: MZDIKtvRdf.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 37 www.tp-turbobet77.live 2->37 39 www.qatn10.shop 2->39 41 3 other IPs or domains 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 8 other signatures 2->49 11 MZDIKtvRdf.exe 4 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\MZDIKtvRdf.exe.log, ASCII 11->35 dropped 51 Adds a directory exclusion to Windows Defender 11->51 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 57 Switches to a custom stack to bypass stack traces 11->57 15 MZDIKtvRdf.exe 11->15         started        18 powershell.exe 22 11->18         started        20 MZDIKtvRdf.exe 11->20         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 75 2 other signatures 15->75 22 explorer.exe 37 1 15->22 injected 73 Loading BitLocker PowerShell Module 18->73 24 WmiPrvSE.exe 18->24         started        26 conhost.exe 18->26         started        process9 process10 28 systray.exe 22->28         started        signatures11 59 Modifies the context of a thread in another process (thread injection) 28->59 61 Maps a DLL or memory area into another process 28->61 63 Tries to detect virtualization through RDTSC time measurements 28->63 65 Switches to a custom stack to bypass stack traces 28->65 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 20:19:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6c2ubmpnxwkltj5tgbifkkkhps57m5bk26aarf4wmhjqxd2uomna._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:k49s discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250408-kb3y4a1zhy/
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:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb40383a-2134-473a-9353-4ed8b38cf944
Unpacked files
SH256 hash:
f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
MD5 hash:
2198f4e827dc059500971ac9c2f727c6
SHA1 hash:
a6c4fc9de2139df0485f47870246669ce5d07cd7
Link:
https://www.unpac.me/results/a6095df6-870a-4c5f-bcaf-90be57f806ad/
SH256 hash:
9b2f29b3ab5d1e57eaa84a1bde951844d1820fdcc295fe99f5dd81ab49ab3724
MD5 hash:
51a5ce1f062503e6c6acdead7db1f2ea
SHA1 hash:
0ac7d7d20bd5fad25734f103cf666f4b6f7c31b6
Link:
https://www.unpac.me/results/a6095df6-870a-4c5f-bcaf-90be57f806ad/
SH256 hash:
f336991a0d5dbb74749bb7314d0e8b3371b22e34ea35c80330f906a495573aa7
MD5 hash:
4d9cdce3ca45189cadbe28a6be716e6f
SHA1 hash:
b02971f5a6cb02a97cfe0f340a64809a94a3765a
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/a6095df6-870a-4c5f-bcaf-90be57f806ad/
SH256 hash:
83444a43ba472442e2b0fa4d01a2cb7a556ec37f4cd1ba63d17f0ed2809a31a0
MD5 hash:
3cc82489a99c6d951eab4626dc9dd5ba
SHA1 hash:
bb13c4f857a49e23ce51878b6f00778452a2e98e
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/a6095df6-870a-4c5f-bcaf-90be57f806ad/
Parent samples :
bcc41988bc560c5ddf3e58165cc25daec67e3a33529b2179868f1b4b7746db7a
36ac663aee997b4b8da3bd498abcbdb91ca180f7afe402ce8ab166099c098cbf
792bdecda049100bcddb388c74b9fa5aa21d30a167786f1e5a99091a6e77c430
f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8
ba331599bb06083aa97ac39010b2d6b5c1078ed519b5ed4dcab97276c84ecedb
f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f0b540b1edbd/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/f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a

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

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