MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6362e9238ae682805b33d2503122e845994d69e1eb51f981cde99b04572cc85c. 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: 15


Intelligence 15 IOCs YARA 10 File information Comments

SHA256 hash: 6362e9238ae682805b33d2503122e845994d69e1eb51f981cde99b04572cc85c
SHA3-384 hash: b5497db232ee6516feadb200457bb09a487f54267553d3e2864084d9fe4c920a87c7208660332096a58c65b2d5c47b75
SHA1 hash: 326e99ef4a9237e0d51033c7c0ef578cc8b8cb8e
MD5 hash: 3861afe2f951fa887e68a76dee3c329c
humanhash: orange-glucose-north-glucose
File name:Cpkvuezxdxmslu.exe
Download: download sample
Signature Formbook
File size:937'984 bytes
First seen:2023-05-30 09:30:11 UTC
Last seen:2023-05-30 12:38:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bc419d73f90d0e7371ffe54ca6d357a5 (2 x Formbook)
ssdeep 12288:iA+mV7mdHOAawOnYsjTHzNHzh/eS9KRlN83r23ax56pb:iA+mZ8awOYsvZTx9Uq723i+
Threatray 2'922 similar samples on MalwareBazaar
TLSH T12F15AE7272B284B7E7721E34EC5A679494253F223E389808A7E27C5CDF36646782C1D7
TrID 86.8% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.3% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 79d0b2b69696b2b0 (4 x Formbook, 2 x ModiLoader, 1 x RemcosRAT)
Reporter koluke
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
280
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Cpkvuezxdxmslu.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 09:31:12 UTC
Tags:
dbatloader stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Creating a file
Creating a process from a recently created file
Launching the process to change network settings
Searching for synchronization primitives
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Launching a process
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger lolbin overlay packed
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:
DBatLoader, FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Drops PE files with a suspicious file extension
Early bird code injection technique detected
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 878076 Sample: Cpkvuezxdxmslu.exe Startdate: 30/05/2023 Architecture: WINDOWS Score: 100 66 Multi AV Scanner detection for domain / URL 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 7 other signatures 2->72 9 Cpkvuezxdxmslu.exe 1 4 2->9         started        process3 dnsIp4 60 web.fe.1drv.com 9->60 62 ph-files.fe.1drv.com 9->62 64 2 other IPs or domains 9->64 36 C:\Users\Public\Libraries\xzeuvkpC.pif, PE32 9->36 dropped 38 C:\Users\Public\Libraries\Cpkvuezx.exe, PE32 9->38 dropped 40 C:\Users\...\Cpkvuezx.exe:Zone.Identifier, ASCII 9->40 dropped 98 Drops PE files with a suspicious file extension 9->98 100 Writes to foreign memory regions 9->100 102 Allocates memory in foreign processes 9->102 104 2 other signatures 9->104 14 xzeuvkpC.pif 9->14         started        file5 signatures6 process7 signatures8 110 Modifies the context of a thread in another process (thread injection) 14->110 112 Maps a DLL or memory area into another process 14->112 114 Sample uses process hollowing technique 14->114 116 Queues an APC in another process (thread injection) 14->116 17 explorer.exe 7 3 14->17 injected process9 dnsIp10 42 24worldmarket.com 92.204.213.186, 49713, 49714, 49715 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 17->42 44 www.comygood.site 162.0.230.201, 49717, 49718, 49719 NAMECHEAP-NETUS Canada 17->44 46 6 other IPs or domains 17->46 74 System process connects to network (likely due to code injection or exploit) 17->74 76 Early bird code injection technique detected 17->76 21 Cpkvuezx.exe 17->21         started        25 Cpkvuezx.exe 17->25         started        27 wscript.exe 13 17->27         started        signatures11 process12 dnsIp13 48 web.fe.1drv.com 21->48 50 ph-files.fe.1drv.com 21->50 56 2 other IPs or domains 21->56 78 Multi AV Scanner detection for dropped file 21->78 80 Machine Learning detection for dropped file 21->80 82 Writes to foreign memory regions 21->82 29 xzeuvkpC.pif 21->29         started        52 web.fe.1drv.com 25->52 54 ph-files.fe.1drv.com 25->54 58 2 other IPs or domains 25->58 84 Allocates memory in foreign processes 25->84 86 Creates a thread in another existing process (thread injection) 25->86 88 Injects a PE file into a foreign processes 25->88 32 xzeuvkpC.pif 25->32         started        90 Tries to steal Mail credentials (via file / registry access) 27->90 92 Tries to harvest and steal browser information (history, passwords, etc) 27->92 94 Modifies the context of a thread in another process (thread injection) 27->94 96 Maps a DLL or memory area into another process 27->96 34 mstsc.exe 27->34         started        signatures14 process15 signatures16 106 Maps a DLL or memory area into another process 29->106 108 Sample uses process hollowing technique 29->108
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-05-30 07:57:52 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader persistence trojan
Behaviour
Gathers network information
Modifies Internet Explorer settings
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
6362e9238ae682805b33d2503122e845994d69e1eb51f981cde99b04572cc85c
MD5 hash:
3861afe2f951fa887e68a76dee3c329c
SHA1 hash:
326e99ef4a9237e0d51033c7c0ef578cc8b8cb8e
Detections:
DbatLoaderStage1
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:CMD_Ping_Localhost
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 6362e9238ae682805b33d2503122e845994d69e1eb51f981cde99b04572cc85c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments