MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 918c630d007a2736849aecb7b620b92b99e966d9e4cbfabb4bdd6f1b510f14cd. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 918c630d007a2736849aecb7b620b92b99e966d9e4cbfabb4bdd6f1b510f14cd
SHA3-384 hash: 49ef922eee67f5702dc887989a290a24cc296c72cd5a3376b407140c052032ed358f0dbe44dcdb96920c6d3b7a6768ec
SHA1 hash: 9a54643123a7285ab587cc860e2851e0f565472d
MD5 hash: 43fa0881260ddefe1d44b0d6706669eb
humanhash: blue-failed-october-ink
File name:itens que precisávamos.exe
Download: download sample
Signature Formbook
File size:768'512 bytes
First seen:2022-02-15 17:57:26 UTC
Last seen:2022-02-15 19:51:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:pMR5k+spVBN1m5R76X18+sc1x7uQ5/ll/InSR919FCUL+Zxqd+cwq2JM:GRalpDNl8Hc1x7uGNl/Inq9FmjVc+K
Threatray 9'870 similar samples on MalwareBazaar
TLSH T1BDF401047BB37750C8720BFA98A196811BB6659E5123D63CDA9334CD0C17B90CE7BA7B
File icon (PE):PE icon
dhash icon 0012360d4d1e8606 (19 x AgentTesla, 12 x Formbook, 4 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
itens que precisávamos.exe
Verdict:
Malicious activity
Analysis date:
2022-02-16 04:40:50 UTC
Tags:
trojan formbook stealer

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
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 572763 Sample: itens que precis#U00e1vamos.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 45 www.iq0xe.com 2->45 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 12 other signatures 2->61 11 itens que precis#U00e1vamos.exe 7 2->11         started        15 explorer.exe 2->15         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\VGiaCg.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpCA3E.tmp, XML 11->41 dropped 43 C:\...\itens que precis#U00e1vamos.exe.log, ASCII 11->43 dropped 63 Writes to foreign memory regions 11->63 65 Adds a directory exclusion to Windows Defender 11->65 67 Injects a PE file into a foreign processes 11->67 17 RegSvcs.exe 11->17         started        20 powershell.exe 24 11->20         started        22 schtasks.exe 1 11->22         started        signatures6 process7 signatures8 47 Modifies the context of a thread in another process (thread injection) 17->47 49 Maps a DLL or memory area into another process 17->49 51 Sample uses process hollowing technique 17->51 53 2 other signatures 17->53 24 explorer.exe 17->24 injected 26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        process9 process10 30 msiexec.exe 24->30         started        signatures11 69 Modifies the context of a thread in another process (thread injection) 30->69 71 Maps a DLL or memory area into another process 30->71 33 cmd.exe 1 30->33         started        35 explorer.exe 103 30->35         started        process12 process13 37 conhost.exe 33->37         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-02-15 17:58:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
9 of 43 (20.93%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gn27 rat spyware stealer suricata trojan
Behaviour
Modifies data under HKEY_USERS
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
Checks processor information in registry
Creates scheduled task(s)
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4af67fe719b6d568f75355ea4ea17bb40829338b1808924bdfdb00983879116d
MD5 hash:
de9a3c641eee60c823d76777dc7dfff7
SHA1 hash:
0eed800b61726aef17a63451f1c43dd844a58b29
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
63b6403c6ea1378c0ff49f069597b45496dba6c0161d240e64885ab6f0806d04
MD5 hash:
72b143fd989c37772556bf302ac33be1
SHA1 hash:
ee377db4778e70261d34f8210208069df41a12ef
SH256 hash:
cea8fb15e7e90bdd4bd43df9d259636a0ffb151dd7dcfac291b9115700d5f23d
MD5 hash:
81f69f2c3fcc2731f9e332fcbda51c87
SHA1 hash:
a3df0b4c38a9b252119d832d9ba6905df2faee9f
SH256 hash:
7093bc3478fec09262866236be9659c0f2a84293ea2b128b2b1b7828e381a3ee
MD5 hash:
59385ffb3830fb97fbbb20bf5bb126c9
SHA1 hash:
35ca0887b85c329e13142ea0c2fe198b16e5579d
SH256 hash:
918c630d007a2736849aecb7b620b92b99e966d9e4cbfabb4bdd6f1b510f14cd
MD5 hash:
43fa0881260ddefe1d44b0d6706669eb
SHA1 hash:
9a54643123a7285ab587cc860e2851e0f565472d
Malware family:
FormBook
Verdict:
Malicious
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.

Malspam

Formbook

Executable exe 918c630d007a2736849aecb7b620b92b99e966d9e4cbfabb4bdd6f1b510f14cd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments