MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b0d42e53e09e8e294cdc18c507dac165293e73b2390f9185fae69583b85da2c. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: 6b0d42e53e09e8e294cdc18c507dac165293e73b2390f9185fae69583b85da2c
SHA3-384 hash: 633049dde7d8b8de75c22882f30cf8ec85b649025a9613551caf4c53224b3f62a616e9dc32929d4f6ca562c44fa372ad
SHA1 hash: ff8db77137f693446d74a4bbac6e685805ba3e0c
MD5 hash: 497f2a0c89b276b83c1a4f75e4b66593
humanhash: yankee-march-freddie-mexico
File name:04282021.DOC.exe
Download: download sample
Signature Formbook
File size:847'360 bytes
First seen:2021-04-29 13:50:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 976d50e20c688f6aadbee0d3008b47f5 (1 x Formbook, 1 x RemcosRAT)
ssdeep 12288:xNpYTxZSIWZyFvKOvZFRlMyaTYJxfxY93ruwD5A/FS5ZyCiUVU/OyV9fO:xNpOKAvK8RliTYDArv+t9CTUDV
Threatray 4'871 similar samples on MalwareBazaar
TLSH AC057D22A19204F6D19F1A385C3F76A40CB6BA3139F86C4517F46C48BFBF2917E1D986
Reporter TeamDreier
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
04282021.DOC.exe
Verdict:
Malicious activity
Analysis date:
2021-04-29 11:32:09 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
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Detected FormBook malware
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 400132 Sample: 04282021.DOC.exe Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 49 www.shenglisuoye.com 2->49 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 6 other signatures 2->63 11 04282021.DOC.exe 17 2->11         started        signatures3 process4 dnsIp5 55 cdn.discordapp.com 162.159.130.233, 443, 49715, 49716 CLOUDFLARENETUS United States 11->55 77 Writes to foreign memory regions 11->77 79 Creates a thread in another existing process (thread injection) 11->79 81 Injects a PE file into a foreign processes 11->81 15 secinit.exe 11->15         started        signatures6 process7 signatures8 85 Modifies the context of a thread in another process (thread injection) 15->85 87 Maps a DLL or memory area into another process 15->87 89 Sample uses process hollowing technique 15->89 91 2 other signatures 15->91 18 explorer.exe 6 15->18 injected process9 dnsIp10 51 www.chinapopfactory.com 3.139.227.210, 49748, 80 AMAZON-02US United States 18->51 53 www.dealsforyou.tech 18->53 39 C:\Users\user\AppData\...\w6otor5-za.exe, PE32 18->39 dropped 41 C:\Program Files (x86)\...\w6otor5-za.exe, PE32 18->41 dropped 65 System process connects to network (likely due to code injection or exploit) 18->65 67 Benign windows process drops PE files 18->67 23 explorer.exe 1 18 18->23         started        27 w6otor5-za.exe 18->27         started        file11 signatures12 process13 file14 43 C:\Users\user\AppData\...\9N3logrv.ini, data 23->43 dropped 45 C:\Users\user\AppData\...\9N3logri.ini, data 23->45 dropped 69 Detected FormBook malware 23->69 71 Creates an undocumented autostart registry key 23->71 73 Tries to steal Mail credentials (via file access) 23->73 75 4 other signatures 23->75 29 cmd.exe 2 23->29         started        33 cmd.exe 1 23->33         started        signatures15 process16 file17 47 C:\Users\user\AppData\Local\Temp\DB1, SQLite 29->47 dropped 83 Tries to harvest and steal browser information (history, passwords, etc) 29->83 35 conhost.exe 29->35         started        37 conhost.exe 33->37         started        signatures18 process19
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2021-04-27 14:37:16 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Behaviour
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.joomlas123.info/3nop/
Unpacked files
SH256 hash:
31ffb1d8050b158b4c432cbb831f9da9b918443b7ed3ecca7e3d7a18a531e3f9
MD5 hash:
406f0b9cc6dacbdd1b715c557b941343
SHA1 hash:
77387463c87215e20a8592430665820cbb146660
SH256 hash:
6b0d42e53e09e8e294cdc18c507dac165293e73b2390f9185fae69583b85da2c
MD5 hash:
497f2a0c89b276b83c1a4f75e4b66593
SHA1 hash:
ff8db77137f693446d74a4bbac6e685805ba3e0c
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:MALWARE_Win_DLAgent07
Author:ditekSHen
Description:Detects delf downloader agent

File information


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

Comments