MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5bf13f324052f8e3240024494c7c4bf809e3c423a59fabd0cd067e01a990ee6. 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 3 File information Comments

SHA256 hash: c5bf13f324052f8e3240024494c7c4bf809e3c423a59fabd0cd067e01a990ee6
SHA3-384 hash: e036335fa686bba101cc2d672273ca67781817809ddeead54628e42d9a19d91ff2a16395ce9cb4c5b76860c3f8f9717a
SHA1 hash: 90b0334b31ae7c3ef26c16cfb303d26f50095942
MD5 hash: 14019875c2525c92b5c7fcfddd2a0308
humanhash: bravo-burger-fillet-december
File name:SecuriteInfo.com.Win32.CrypterX-gen.18668.4514
Download: download sample
Signature Formbook
File size:1'492'992 bytes
First seen:2023-10-23 12:31:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:XEeTWMwg0mgNM6X/jTuX0l6GD1jckQ6Qr6owgK:UjbmijQ6Qr6oS
Threatray 14 similar samples on MalwareBazaar
TLSH T1D765A503BA9789A1D1593737C5EF083007A4E9897623F69A758F236918433B66F4DF0B
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 :
342
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.18668.4514
Verdict:
Malicious activity
Analysis date:
2023-10-23 12:38:01 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Launching a process
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330567 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 26 www.vibetemple.com 2->26 28 www.samatep.xyz 2->28 30 11 other IPs or domains 2->30 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 5 other signatures 2->52 10 SecuriteInfo.com.Win32.CrypterX-gen.18668.4514.exe 15 3 2->10         started        signatures3 process4 signatures5 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->54 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Injects a PE file into a foreign processes 10->60 13 aspnet_compiler.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 uzXBIPugBvYJRltrTM.exe 13->16 injected process8 process9 18 unregmp2.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Writes to foreign memory regions 18->42 44 3 other signatures 18->44 21 uzXBIPugBvYJRltrTM.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.samatep.xyz 162.0.233.82, 80 NAMECHEAP-NETUS Canada 21->32 34 credseg.com 162.240.81.18, 49720, 80 UNIFIEDLAYER-AS-1US United States 21->34 36 3 other IPs or domains 21->36
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Status:
Malicious
First seen:
2023-10-23 11:07:48 UTC
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c5bf13f324052f8e3240024494c7c4bf809e3c423a59fabd0cd067e01a990ee6
MD5 hash:
14019875c2525c92b5c7fcfddd2a0308
SHA1 hash:
90b0334b31ae7c3ef26c16cfb303d26f50095942
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: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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