MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dddb18b289be6a1b30073f701322dff91f799115407af51d733c0768ae407ef8. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: dddb18b289be6a1b30073f701322dff91f799115407af51d733c0768ae407ef8
SHA3-384 hash: 3350a27d42c40369de5aa8175046585c67eac568b39321e8bc1f178a32487941a4bd67b559eb2604b235da7495420f38
SHA1 hash: ec94b27cca577790e67401703b2b0caa43407ef6
MD5 hash: de2f3feb626f6ac37b02d5cb103d1bfa
humanhash: vegan-kansas-december-fix
File name:SecuriteInfo.com.Win32.DropperX-gen.3821.25987
Download: download sample
Signature Formbook
File size:357'376 bytes
First seen:2023-09-14 19:32:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:+18QW2YcScjMac45ENT68sG/GgDNVMmfrU:CWzcSco45EhzPGgZJD
Threatray 401 similar samples on MalwareBazaar
TLSH T13B74A13D0F485F37DBAF7634FC87003959F0A12EAD46F6C6AE0899A1E59A34E7C01691
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Win32.DropperX-gen.3821.25987
Verdict:
Malicious activity
Analysis date:
2023-09-14 19:34:13 UTC
Tags:
formbook xloader stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed replace
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
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1308371 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 28 www.sunnyside.wiki 2->28 30 www.rollerupdoor-us.xyz 2->30 32 12 other IPs or domains 2->32 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 9 other signatures 2->48 11 SecuriteInfo.com.Win32.DropperX-gen.3821.25987.exe 15 3 2->11         started        signatures3 process4 dnsIp5 40 qu.ax 92.118.112.119, 443, 49709 GUDAEV-ASRU Russian Federation 11->40 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->56 58 Writes to foreign memory regions 11->58 60 Allocates memory in foreign processes 11->60 62 Injects a PE file into a foreign processes 11->62 15 aspnet_compiler.exe 11->15         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 2 other signatures 15->70 18 explorer.exe 38 1 15->18 injected process9 dnsIp10 34 www.rollerupdoor-us.xyz 64.190.62.22, 49740, 80 NBS11696US United States 18->34 36 www.sas-partners.com 156.255.163.74, 49730, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->36 38 6 other IPs or domains 18->38 21 cmstp.exe 18->21         started        process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-09-14 06:24:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gb84 rat spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
dddb18b289be6a1b30073f701322dff91f799115407af51d733c0768ae407ef8
MD5 hash:
de2f3feb626f6ac37b02d5cb103d1bfa
SHA1 hash:
ec94b27cca577790e67401703b2b0caa43407ef6
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.

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