MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cfe9185c121eeb52ee3f946c6773e9779d64a4860bd34efb3adf55485dedace. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: 7cfe9185c121eeb52ee3f946c6773e9779d64a4860bd34efb3adf55485dedace
SHA3-384 hash: d94a586eb1e57fab45d4ba07ec0d8d8c32578bb413534597e3fd29de3ac308bd3d0eef521816be635198828f6580f73a
SHA1 hash: e1358bfd4233eacb9edd86b8d2189c06d25119e1
MD5 hash: 813a7be3fa8ab0b17f948d72a113a29b
humanhash: crazy-jig-papa-virginia
File name:813a7be3fa8ab0b17f948d72a113a29b.exe
Download: download sample
Signature Formbook
File size:362'986 bytes
First seen:2023-04-05 13:15:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6eJV6XVBQkWePa7WcsJcG93Ow7UmWaPpwTDDvQ8mVlisMlAZSl:/YAJVPkWDps+w3OwAmWa6THQHHfMlUSl
Threatray 2'687 similar samples on MalwareBazaar
TLSH T14574221413E0D7AFC8610B7126BDE6BA7766AE220C34D35B07069B5E3F11B52A44DFC2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
224
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
813a7be3fa8ab0b17f948d72a113a29b.exe
Verdict:
Malicious activity
Analysis date:
2023-04-05 13:21:05 UTC
Tags:
formbook xloader

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
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
comodo nemesis overlay packed remcos shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841991 Sample: CocpoiGR8a.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 4 other signatures 2->56 11 CocpoiGR8a.exe 19 2->11         started        process3 file4 32 C:\Users\user\AppData\Local\Temp\sxtur.exe, PE32 11->32 dropped 14 sxtur.exe 11->14         started        process5 signatures6 66 Multi AV Scanner detection for dropped file 14->66 68 Detected unpacking (changes PE section rights) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Tries to detect virtualization through RDTSC time measurements 14->72 17 sxtur.exe 14->17         started        process7 signatures8 42 Modifies the context of a thread in another process (thread injection) 17->42 44 Maps a DLL or memory area into another process 17->44 46 Sample uses process hollowing technique 17->46 48 Queues an APC in another process (thread injection) 17->48 20 explorer.exe 1 17->20 injected process9 dnsIp10 34 www.car-covers-40809.com 185.53.179.94, 49699, 80 TEAMINTERNET-ASDE Germany 20->34 36 www.heguangxueyuan.com 116.62.236.73, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 20->36 38 2 other IPs or domains 20->38 58 System process connects to network (likely due to code injection or exploit) 20->58 24 msdt.exe 12 20->24         started        signatures11 process12 dnsIp13 40 www.heguangxueyuan.com 24->40 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:
Win32.Trojan.Casdet
Status:
Malicious
First seen:
2023-04-05 00:37:32 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sa79 rat spyware stealer trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
7cfe9185c121eeb52ee3f946c6773e9779d64a4860bd34efb3adf55485dedace
MD5 hash:
813a7be3fa8ab0b17f948d72a113a29b
SHA1 hash:
e1358bfd4233eacb9edd86b8d2189c06d25119e1
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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.

Web download

Formbook

Executable exe 7cfe9185c121eeb52ee3f946c6773e9779d64a4860bd34efb3adf55485dedace

(this sample)

  
Delivery method
Distributed via web download

Comments