MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b
SHA3-384 hash: bb4aae71a7641ed5b1a7b408199519a485dc5c64f44ba6e1a233e615284ca617587e0d81199d0c2051e737177d2accc2
SHA1 hash: 2d5ac0274b741d19da82180264f5819ddfd11551
MD5 hash: e0e2345d91945b57353de7be04535f15
humanhash: nuts-nuts-robin-golf
File name:3aY3m96tqMSF6uX.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:730'112 bytes
First seen:2024-12-14 12:47:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:OC25usx+XtWhK/bACVDNdRBE6teRn6iB6/VN9hogN5AjJeuM5cifib7Qhk:yxg8ClrRa3Rn3BoP/AjO5cK
TLSH T12EF4F04132A98807D6B247F54A71F2B81BF92EAEB915E2CB5EC56DCBB8F1F401940353
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
File icon (PE):PE icon
dhash icon 00844b16e6643800 (10 x Formbook, 3 x AgentTesla, 1 x VIPKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
384
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
3aY3m96tqMSF6uX.exe
Verdict:
Malicious activity
Analysis date:
2024-12-14 12:51:09 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/e095e993-37f5-46f2-990f-38afcade6ef5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Malwarex-10038365-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675d7f3c8fb73f13afc601c1
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
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
infostealer packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/675d7e8b7c7553767c3f1d0e/reports/7363eac7-b533-4238-86f8-770cbdc1f99e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b
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/d9f0e90c-69eb-4af6-b452-3219194f1331
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1575103
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious 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
Loading BitLocker PowerShell Module
Machine Learning detection for sample
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: 1575103 Sample: 3aY3m96tqMSF6uX.exe Startdate: 14/12/2024 Architecture: WINDOWS Score: 100 37 www.ranopen.info 2->37 39 www.oytromcm.net 2->39 41 2 other IPs or domains 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 8 other signatures 2->49 11 3aY3m96tqMSF6uX.exe 4 2->11         started        signatures3 process4 file5 35 C:\Users\user\...\3aY3m96tqMSF6uX.exe.log, ASCII 11->35 dropped 59 Adds a directory exclusion to Windows Defender 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 65 Switches to a custom stack to bypass stack traces 11->65 15 3aY3m96tqMSF6uX.exe 11->15         started        18 powershell.exe 23 11->18         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 20 explorer.exe 33 1 15->20 injected 73 Loading BitLocker PowerShell Module 18->73 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 systray.exe 20->26         started        29 autofmt.exe 20->29         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 57 Switches to a custom stack to bypass stack traces 26->57 31 cmd.exe 1 26->31         started        process12 process13 33 conhost.exe 31->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 09:57:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qyygf6mdvlawlqcldl2m45qymw2p242lohpilyfluagbcl7lvqvq._file
Verdict:
malicious
Label(s):
formbook
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unknown_loader_037
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Similar samples:
error
Formbook
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ax19 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/241214-p1r1caslhy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
Win.Packed.Malwarex-10038365-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a1eb3466-84c9-48a5-8004-0ab409cedba4
Unpacked files
SH256 hash:
b290019be57897b0da8a90ec2edaf89ce4336b61a1466dab7e12148a6811dd2c
MD5 hash:
5a2e3743e92606038c95d79424f1b6f6
SHA1 hash:
d6bd9b38b81b168ca8a876da4f419e1f49b2e13f
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/385eeadd-8122-4104-9b82-cc0f66907a9a/
Parent samples :
3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b
863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b
SH256 hash:
55c1b9fa086e0ad470c2701c1174684d4436d9a8f47678d141bc8cf06ee5fe98
MD5 hash:
03cbaacf96f1d24ec8bca24874f709cf
SHA1 hash:
c8258c0dc6242a5d9401db72eee6d3d176563dac
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/385eeadd-8122-4104-9b82-cc0f66907a9a/
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
Link:
https://www.unpac.me/results/385eeadd-8122-4104-9b82-cc0f66907a9a/
SH256 hash:
863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b
MD5 hash:
e0e2345d91945b57353de7be04535f15
SHA1 hash:
2d5ac0274b741d19da82180264f5819ddfd11551
Link:
https://www.unpac.me/results/385eeadd-8122-4104-9b82-cc0f66907a9a/
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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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