MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23b95932bc14abb03868830a3d298d5282cfdffccf34b8ec7e62ec8ffb4a2f40. 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 5 File information Comments

SHA256 hash: 23b95932bc14abb03868830a3d298d5282cfdffccf34b8ec7e62ec8ffb4a2f40
SHA3-384 hash: 1b9169942dec0009faa4a7b1fd05ebed7d1a1ccb04703ae628af18829a8aedfa116e3f1dc3dee49c99cd5677b079aedc
SHA1 hash: 251992c2b73fddd613789eed136b00342a47ce16
MD5 hash: 1b7ca231c7ca9473384fa5aab9101c5b
humanhash: fanta-batman-september-october
File name:1b7ca231c7ca9473384fa5aab9101c5b.exe
Download: download sample
Signature Formbook
File size:187'904 bytes
First seen:2022-03-24 19:23:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:OPJKq1O/eNx/bTVAoss2EDzj9xieCd2kx:OKq17N1b+oyED3nieCdN
Threatray 14'617 similar samples on MalwareBazaar
TLSH T1AC04DB98AE1D9EDCC87BE6F18904E3492D40ED711910EC2D26F7362AC636FD6B4C91E1
File icon (PE):PE icon
dhash icon b878e8d8f4e4f8d8 (3 x Formbook, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
http://103.153.77.78/__data_protect/vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-03-24 12:40:33 UTC
Tags:
opendir loader 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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Likely Malicious
Threat level:
  7.5/10
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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 domain / URL
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: Suspect Svchost Activity
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 596476 Sample: eH3IGj9Aiq.exe Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 13 other signatures 2->46 9 eH3IGj9Aiq.exe 15 4 2->9         started        process3 dnsIp4 38 cdn.discordapp.com 162.159.135.233, 443, 49735 CLOUDFLARENETUS United States 9->38 36 C:\Users\user\AppData\...\eH3IGj9Aiq.exe.log, ASCII 9->36 dropped 52 Encrypted powershell cmdline option found 9->52 54 Tries to detect virtualization through RDTSC time measurements 9->54 56 Injects a PE file into a foreign processes 9->56 14 eH3IGj9Aiq.exe 9->14         started        17 cmd.exe 1 9->17         started        19 powershell.exe 15 9->19         started        file5 signatures6 process7 signatures8 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 21 svchost.exe 14->21         started        24 explorer.exe 14->24 injected 26 conhost.exe 17->26         started        28 timeout.exe 1 17->28         started        30 conhost.exe 19->30         started        process9 signatures10 48 Self deletion via cmd delete 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 32 cmd.exe 1 21->32         started        process11 process12 34 conhost.exe 32->34         started       
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-03-24 09:24:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:dgrg loader rat
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
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
Unpacked files
SH256 hash:
23b95932bc14abb03868830a3d298d5282cfdffccf34b8ec7e62ec8ffb4a2f40
MD5 hash:
1b7ca231c7ca9473384fa5aab9101c5b
SHA1 hash:
251992c2b73fddd613789eed136b00342a47ce16
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Web download

Formbook

Executable exe 23b95932bc14abb03868830a3d298d5282cfdffccf34b8ec7e62ec8ffb4a2f40

(this sample)

  
Delivery method
Distributed via web download

Comments