MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c3154ca515c60811f10c0df3b919c65700f0c8dbde6ddbcf7a91634e1480b9b. 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 4 File information Comments 1

SHA256 hash: 3c3154ca515c60811f10c0df3b919c65700f0c8dbde6ddbcf7a91634e1480b9b
SHA3-384 hash: 48acea5698df73bb782a9efcfca045523ccca64528fc9afb8b3c4e589b936fc9c02a7236d091611b1253bf16da9f5553
SHA1 hash: c76fca24c0f727c62b5d6ebb3acd55893fe6bcd6
MD5 hash: 0c7f79c6909e5a20740beee21d492a25
humanhash: magazine-fifteen-shade-finch
File name:0c7f79c6909e5a20740beee21d492a25
Download: download sample
Signature Formbook
File size:903'680 bytes
First seen:2022-03-16 17:25:56 UTC
Last seen:2022-03-16 19:16:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:cpqe8FCBz6tHlFJaYWJKsRQuUDWIqQNxvqupxki:gAF3HLBIK3ueHNcu
Threatray 13'184 similar samples on MalwareBazaar
TLSH T12E15AE0D7B505FD3D5AA877C1C8386A292FEA1C6AB15EF0AED4C4ACBC44E26501DFB44
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0c7f79c6909e5a20740beee21d492a25
Verdict:
Suspicious activity
Analysis date:
2022-03-17 03:42:09 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 custom TCP request
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 590677 Sample: aKDVvCx8ni Startdate: 16/03/2022 Architecture: WINDOWS Score: 100 34 www.financeysxwkg.xyz 2->34 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 13 other signatures 2->52 11 aKDVvCx8ni.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\aKDVvCx8ni.exe.log, ASCII 11->32 dropped 66 Writes to foreign memory regions 11->66 68 Injects a PE file into a foreign processes 11->68 15 TapiUnattend.exe 11->15         started        18 Magnify.exe 11->18         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 2 other signatures 15->76 20 explorer.exe 15->20 injected process9 dnsIp10 36 aladany.com 15.197.142.173, 49852, 49855, 49867 TANDEMUS United States 20->36 38 www.fracht24-7.online 217.160.0.15, 49866, 80 ONEANDONE-ASBrauerstrasse48DE Germany 20->38 40 20 other IPs or domains 20->40 54 System process connects to network (likely due to code injection or exploit) 20->54 56 Performs DNS queries to domains with low reputation 20->56 24 rundll32.exe 12 20->24         started        signatures11 process12 dnsIp13 42 www.runandout.com 24->42 44 runandout.com 24->44 58 System process connects to network (likely due to code injection or exploit) 24->58 60 Modifies the context of a thread in another process (thread injection) 24->60 62 Maps a DLL or memory area into another process 24->62 64 Tries to detect virtualization through RDTSC time measurements 24->64 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-03-16 15:56:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 27 (66.67%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:c20t loader rat
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
3c3154ca515c60811f10c0df3b919c65700f0c8dbde6ddbcf7a91634e1480b9b
MD5 hash:
0c7f79c6909e5a20740beee21d492a25
SHA1 hash:
c76fca24c0f727c62b5d6ebb3acd55893fe6bcd6
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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.

Web download

Formbook

Executable exe 3c3154ca515c60811f10c0df3b919c65700f0c8dbde6ddbcf7a91634e1480b9b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-16 17:25:57 UTC

url : hxxp://103.153.77.78/diskonair/vbc.exe