MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c76f4cc201813bc9e4a8d5ae27ce0c59b799f02dd48b3e09af20118a8fe18c50. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: c76f4cc201813bc9e4a8d5ae27ce0c59b799f02dd48b3e09af20118a8fe18c50
SHA3-384 hash: 9fbda1583715f88712a474643ea3e24ef07836d853a339d9e4431c63e806e019a14d7ca4e38266017dcf8e6ff3584168
SHA1 hash: 8e037a7d6df8558657fe0418b38d5c842eb015f2
MD5 hash: c39e04e01454a9b16be13544c18f9817
humanhash: glucose-minnesota-nine-oranges
File name:N°2024P411.174.exe
Download: download sample
Signature Formbook
File size:651'264 bytes
First seen:2024-10-09 12:11:53 UTC
Last seen:2025-01-10 14:07:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:cnCMfuwPqzywu/YooL489R2pZ/kHM1mgD84MImE:6fLwu/m489E/p1mNjE
TLSH T18CD4026C1606D903C49A67F85A71F2B427786EEAB542D3066FE86DEFB93BF104C44183
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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 abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
386
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
N°2024P411.174.exe
Verdict:
No threats detected
Analysis date:
2024-10-09 12:16:01 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Powershell Phishing
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.evad
Score:
100 / 100
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
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)
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
Tries to resolve many domain names, but no domain seems valid
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1529890 Sample: N#U00b02024P411.174.exe Startdate: 09/10/2024 Architecture: WINDOWS Score: 100 35 www.q8189.top 2->35 37 www.mmwinni.buzz 2->37 39 9 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 11 N#U00b02024P411.174.exe 4 2->11         started        signatures3 process4 file5 33 C:\Users\user\...33#U00b02024P411.174.exe.log, ASCII 11->33 dropped 57 Adds a directory exclusion to Windows Defender 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Switches to a custom stack to bypass stack traces 11->61 15 N#U00b02024P411.174.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 71 2 other signatures 15->71 20 explorer.exe 55 1 15->20 injected 69 Loading BitLocker PowerShell Module 18->69 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 cmmon32.exe 20->26         started        signatures11 49 Modifies the context of a thread in another process (thread injection) 26->49 51 Maps a DLL or memory area into another process 26->51 53 Tries to detect virtualization through RDTSC time measurements 26->53 55 Switches to a custom stack to bypass stack traces 26->55 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-10-08 13:16:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unknown_loader_037
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bc01 discovery execution rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
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
Verdict:
Malicious
Tags:
formbook diceloader
YARA:
n/a
Unpacked files
SH256 hash:
07864a36094fdb51d595bc3e42bce8429054de6c820f8c9dcfe1820c0fd1f8ff
MD5 hash:
d3b47fb3dd8b1c832901282b2d95a83b
SHA1 hash:
84d0afe2d8b7efd5f06eab1ac26d2bc9e25f9c38
Detections:
FormBook win_formbook_g0 win_formbook_auto win_formbook_w0 Formbook Windows_Trojan_Formbook
SH256 hash:
ccee376a7d6c828f3ce5178c8aabb1f25000df9925e92d8ca7734709250f7d50
MD5 hash:
1b55c8b1645dfdd3f677bae63407ab66
SHA1 hash:
ec14b42aa9b6971cf6097ba8e6d06a7110c63423
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
SH256 hash:
4f0f176b90ce4426dd0f3967dc7c9c9a204b63865eb5b5195bf5810b9f053378
MD5 hash:
a04f0c00a895b681acbc0375ec7243fe
SHA1 hash:
05ad816150d6b812ce2ef1ae5332715f972d0da4
Detections:
FormBook win_formbook_g0 win_formbook_auto win_formbook_w0 Formbook Windows_Trojan_Formbook
SH256 hash:
c76f4cc201813bc9e4a8d5ae27ce0c59b799f02dd48b3e09af20118a8fe18c50
MD5 hash:
c39e04e01454a9b16be13544c18f9817
SHA1 hash:
8e037a7d6df8558657fe0418b38d5c842eb015f2
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
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

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

Comments