MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73767c30f48c4987b99215ba3bfac246ad131be5231ac2faea4ce198f2cd75b7. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 73767c30f48c4987b99215ba3bfac246ad131be5231ac2faea4ce198f2cd75b7
SHA3-384 hash: 100a4402dc5e5c095f925703f7d11597ec8f70d34e2f005797f1eb6d7291ee423ee8b358e2385e5ab77e3ab04365adbc
SHA1 hash: 9353f3b28da30739a2d0f7c8b101d57f55b205be
MD5 hash: 9073a495bc4aa407eb033fe797595cee
humanhash: zulu-september-failed-carpet
File name:SecuriteInfo.com.Variant.Tedy.114461.5022.6142
Download: download sample
Signature Formbook
File size:684'544 bytes
First seen:2022-06-02 00:40:06 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 12288:bg/TTcIzPqpODMxQkp3lw4HzLNdmH9PrC9ztTZ62:sbwIWNNJR/E9m9X
TLSH T11EE4F123A39C478BD32993FD9420405B97AE614F7547FBAA4D669ECE39227420D2343F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
359
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Tedy.114461.5022.6142
Verdict:
Suspicious activity
Analysis date:
2022-06-02 00:40:58 UTC
Tags:
n/a

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
Adding an access-denied ACE
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.expl.evad
Score:
100 / 100
Signature
.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
Contains functionality to hide user accounts
Found malware configuration
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 637921 Sample: SecuriteInfo.com.Variant.Te... Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 34 www.365eventsusa.com 2->34 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 8 other signatures 2->46 11 SecuriteInfo.com.Variant.Tedy.114461.5022.exe 1 2->11         started        signatures3 process4 signatures5 54 Writes to foreign memory regions 11->54 56 Allocates memory in foreign processes 11->56 58 Injects a PE file into a foreign processes 11->58 14 WPDShextAutoplay.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 2 other signatures 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 28 du0bqfwkrafm17.life 216.18.208.202, 49763, 80 WEBNXUS United States 17->28 30 www.carbonfiberandtechsweden.com 46.249.199.16, 49765, 80 PULSANT-ASGB United Kingdom 17->30 32 www.du0bqfwkrafm17.life 17->32 36 System process connects to network (likely due to code injection or exploit) 17->36 38 Uses ipconfig to lookup or modify the Windows network settings 17->38 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-02 00:41:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sd73 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
3ea019a78e03c8ec4cfbd8f01bb3ccf9011687d9c6f694d92c98043fe06c0a30
MD5 hash:
519d2b5d90cf59a22e210fdd10407137
SHA1 hash:
38c81dd0964a66b58fafc1a1d4211d01e6727baa
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
73767c30f48c4987b99215ba3bfac246ad131be5231ac2faea4ce198f2cd75b7
MD5 hash:
9073a495bc4aa407eb033fe797595cee
SHA1 hash:
9353f3b28da30739a2d0f7c8b101d57f55b205be
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: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.

Comments