MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7b0405a91931c6c0d4bb544875a6ca6c4e1b867b5df82ebd4b9a9fddeeba71b. 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 1 File information Comments 1

SHA256 hash: f7b0405a91931c6c0d4bb544875a6ca6c4e1b867b5df82ebd4b9a9fddeeba71b
SHA3-384 hash: 406ea192705b246564cbd5f01f6a018c98ef6407a63759546db608b30f31404ab1100b9a75c70ac686d846185237598c
SHA1 hash: 97fb80351401a8d6e30760d5dd51d1576d51f8c1
MD5 hash: 44c87d5aa51f340c3c336d4296809842
humanhash: dakota-nuts-wolfram-pizza
File name:44c87d5aa51f340c3c336d4296809842
Download: download sample
Signature Formbook
File size:732'672 bytes
First seen:2022-12-10 09:43:55 UTC
Last seen:2022-12-10 13:42:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:YeE7/1BC1HKTkt3Z+hq1cgmGZi8aa2Vs75P86u04L4rcqW5r3lESyi/6HMo6:PO3xTktZ+kCG8Fa2O5PA0trtQbuBaIl6
Threatray 1'914 similar samples on MalwareBazaar
TLSH T1E4F402027A844749C8487AF5C5EB592113B67CD35671E3876F78BE896C323B3EC8198E
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter zbetcheckin
Tags:103-232-53-228 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed regsvcs.exe
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Multi AV Scanner detection for domain / URL
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
System process connects to network (likely due to code injection or exploit)
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 FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 764624 Sample: fvi6kXQI28.exe Startdate: 10/12/2022 Architecture: WINDOWS Score: 100 27 www.terratechpower.com 2->27 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 7 other signatures 2->41 9 fvi6kXQI28.exe 1 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\fvi6kXQI28.exe.log, CSV 9->25 dropped 55 Writes to foreign memory regions 9->55 57 Allocates memory in foreign processes 9->57 59 Injects a PE file into a foreign processes 9->59 13 RegSvcs.exe 9->13         started        16 RegSvcs.exe 9->16         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 18 explorer.exe 13->18 injected process9 dnsIp10 29 hf9blwwuwpx7j8k.live 216.18.208.202, 49718, 80 WEBNXUS United States 18->29 31 www.easy005.xyz 175.41.16.124, 49722, 49723, 80 NETSEC-HKNETSECHK Hong Kong 18->31 33 5 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 45 Performs DNS queries to domains with low reputation 18->45 22 explorer.exe 13 18->22         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 22->47 49 Tries to harvest and steal browser information (history, passwords, etc) 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-12-09 11:51:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
9
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:pgnt rat spyware stealer trojan
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f7b0405a91931c6c0d4bb544875a6ca6c4e1b867b5df82ebd4b9a9fddeeba71b
MD5 hash:
44c87d5aa51f340c3c336d4296809842
SHA1 hash:
97fb80351401a8d6e30760d5dd51d1576d51f8c1
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:BAZT_B5_NOCEXInvalidStream

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe f7b0405a91931c6c0d4bb544875a6ca6c4e1b867b5df82ebd4b9a9fddeeba71b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-12-10 09:43:56 UTC

url : hxxp://103.232.53.228/OneDrive/vbc.exe