MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a4fc9ae9589145ea8718412a44417f39370dbc809b8d93a6650b1247b011b7f. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 5a4fc9ae9589145ea8718412a44417f39370dbc809b8d93a6650b1247b011b7f
SHA3-384 hash: fad460f9956c63332c11af947586b20c70e05a8e8b190b469594ecf6d267f008ef99ca9398813371d836237e1b813bba
SHA1 hash: 7b87aea8429c935419719e55c623bd3976233175
MD5 hash: 3929cc0f5ffde7b4a15fa22d8e2010ce
humanhash: ceiling-football-ohio-rugby
File name:Protected copy of the commercial invoice.exe
Download: download sample
Signature Formbook
File size:669'696 bytes
First seen:2022-04-11 12:40:56 UTC
Last seen:Never
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:EUb58dQgvwbPsuSKpx0xW/5Yz6evndqrg7mSAfj7PhBpyfiL9Sc2/jP/UlR3q:mdWTbp146evnd22wf3Pjpw4992rU
Threatray 14'827 similar samples on MalwareBazaar
TLSH T1ACE4DF38A7F88611E9BF4BFDA0B5800087B9F652981FE70D5ED064E92D72751CD26E23
File icon (PE):PE icon
dhash icon 4af1f0e0e0f0d0b2 (18 x SnakeKeylogger, 13 x AgentTesla, 9 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Protected copy of the commercial invoice.exe
Verdict:
Suspicious activity
Analysis date:
2022-04-05 03:24:33 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
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
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware obfuscated packed remote.exe 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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 607061 Sample: Protected copy of the comme... Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 45 www.optimicynic.com 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 15 other signatures 2->59 11 Protected copy of the commercial invoice.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\qdrRXfzCIR.exe, PE32 11->37 dropped 39 C:\Users\...\qdrRXfzCIR.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpC384.tmp, XML 11->41 dropped 43 Protected copy of ...ial invoice.exe.log, ASCII 11->43 dropped 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 15 Protected copy of the commercial invoice.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 47 hifidelia.com 81.169.145.66, 49789, 80 STRATOSTRATOAGDE Germany 22->47 49 www.health-products.store 104.21.47.187, 49800, 80 CLOUDFLARENETUS United States 22->49 51 8 other IPs or domains 22->51 61 System process connects to network (likely due to code injection or exploit) 22->61 30 mstsc.exe 22->30         started        signatures11 process12 signatures13 67 Self deletion via cmd delete 30->67 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 73 Tries to detect virtualization through RDTSC time measurements 30->73 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-05 08:58:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:p83q loader rat suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5a4fc9ae9589145ea8718412a44417f39370dbc809b8d93a6650b1247b011b7f
MD5 hash:
3929cc0f5ffde7b4a15fa22d8e2010ce
SHA1 hash:
7b87aea8429c935419719e55c623bd3976233175
Malware family:
XLoader
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 5a4fc9ae9589145ea8718412a44417f39370dbc809b8d93a6650b1247b011b7f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments