MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff578174dc5d4cfc24d1e8ce369fd1ee5d61b63a92f61c2f432c9bec404ec391. 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 5 File information Comments

SHA256 hash: ff578174dc5d4cfc24d1e8ce369fd1ee5d61b63a92f61c2f432c9bec404ec391
SHA3-384 hash: 92df03312bc87f4bd014c528ab148703d5e825592627a53e39017bcf95d13bbe6ecef48234cbae12844d57d0b028007c
SHA1 hash: ff9f6e6a36a655485e0866b89ba7bce93ee785c1
MD5 hash: 5f6dd36622744bf1251aa584e1b63b4b
humanhash: juliet-finch-uniform-fillet
File name:DSS INVITATION.cmd
Download: download sample
Signature Formbook
File size:459'784 bytes
First seen:2022-01-17 13:33:37 UTC
Last seen:2022-01-17 15:53:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'840 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 6144:xK0GRFkLycxIE1h2yPZnMcIyDVNhetYs9Tshi59rcCGl6:iD7GBBbhetN9Ts89Ms
Threatray 12'734 similar samples on MalwareBazaar
TLSH T183A40101A285D106C66933B15AC6C0711775AF4B7A33D6AE38C4BF9E2FF97F1AA1C604
File icon (PE):PE icon
dhash icon 71f8e0faecf0f071 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DSS INVITATION.cmd
Verdict:
Malicious activity
Analysis date:
2022-01-17 13:45:31 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
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed replace.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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 554294 Sample: DSS INVITATION.cmd Startdate: 17/01/2022 Architecture: WINDOWS Score: 100 31 www.mypasswordbuddy.com 2->31 33 www.712241.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 7 other signatures 2->47 11 DSS INVITATION.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\DSS INVITATION.exe.log, ASCII 11->29 dropped 57 Writes to foreign memory regions 11->57 59 Allocates memory in foreign processes 11->59 61 Injects a PE file into a foreign processes 11->61 15 aspnet_compiler.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 vserveworld.com 144.217.86.243, 49821, 80 OVHFR Canada 18->35 37 www.71eshop.com 147.255.135.216, 49820, 80 LEASEWEB-USA-LAX-11US United States 18->37 39 14 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 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 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.SpyNoon
Status:
Malicious
First seen:
2022-01-14 14:50:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
27 of 43 (62.79%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:i3mc loader rat
Behaviour
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
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
e55d0597a24b8b5b2c196f3e23f0d2a102a1b062ee663451243002543b9b3d9a
MD5 hash:
9ed6a731f276734dee6ad47238427acb
SHA1 hash:
2c8cd4096e80df4f6940659b2a068a65460df1a0
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
d2ad302341d661fcb9f5990a421b180f538ecdaec765277d463ca1f56d2aa5a6
MD5 hash:
4000a122a140a02c1a71f5aed86b473a
SHA1 hash:
d06cba193453b27b93e5ed7e8ef7902eec73e0d5
SH256 hash:
bc9d908f63eb4afacbb37bc1058b9eeac168ed4e858b644edd2f935b93f9f6fa
MD5 hash:
3f35d723416276af0215f620e73e4b09
SHA1 hash:
849b9aaf7bdf4b8ef71764f181a9f4460f285d9d
SH256 hash:
ff578174dc5d4cfc24d1e8ce369fd1ee5d61b63a92f61c2f432c9bec404ec391
MD5 hash:
5f6dd36622744bf1251aa584e1b63b4b
SHA1 hash:
ff9f6e6a36a655485e0866b89ba7bce93ee785c1
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

b9dd7eecc1c7a405b3e37e922da6ea40ade0507284d8dd74806ba0cbe8190cb2

Formbook

Executable exe ff578174dc5d4cfc24d1e8ce369fd1ee5d61b63a92f61c2f432c9bec404ec391

(this sample)

  
Dropped by
MD5 bf855b4e0083c2ebe3fbb141cd1d8f1d
  
Dropped by
SHA256 b9dd7eecc1c7a405b3e37e922da6ea40ade0507284d8dd74806ba0cbe8190cb2
  
Delivery method
Distributed via e-mail attachment

Comments