MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 174ae377574d8702e3a1122550b06c553a492ec6c9a92f1eb71971593fe7ab0d. 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 8 File information Comments

SHA256 hash: 174ae377574d8702e3a1122550b06c553a492ec6c9a92f1eb71971593fe7ab0d
SHA3-384 hash: baf81188d732aa060e62c2731d77fd9a30961643fa627ea3056aa7dd9b343dfd11af2a52df1c4f90a64e529c06427dec
SHA1 hash: 2bec726bd5aebef399bb15a85da7ccddf0823128
MD5 hash: fae15ab1a90b87eea9841daa9abd923c
humanhash: green-paris-skylark-wisconsin
File name:file
Download: download sample
Signature Formbook
File size:297'299 bytes
First seen:2023-02-07 15:58:21 UTC
Last seen:2023-02-07 18:04:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:FYa6VyDxOjxWXuvuDjR1iQxsCubUg8d/VbA3audFCAq7ysxRQxa:FYn1joDjRnsCuwB/W3auLCAq77xSI
TLSH T13254134A1764D6E7C4EE04321DBF862F0FE5F82A2578AB4E13B437647612593E81FB21
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 c6c6d494c4d4f400 (3 x Formbook)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-07 15:59:09 UTC
Tags:
formbook xloader trojan 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
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
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
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:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed 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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800628 Sample: file.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 5 other signatures 2->57 11 file.exe 19 2->11         started        process3 file4 35 C:\Users\user\AppData\...\bbznamkovc.exe, PE32 11->35 dropped 14 bbznamkovc.exe 11->14         started        process5 signatures6 69 Multi AV Scanner detection for dropped file 14->69 71 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->71 73 Maps a DLL or memory area into another process 14->73 75 Tries to detect virtualization through RDTSC time measurements 14->75 17 bbznamkovc.exe 14->17         started        process7 signatures8 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 47 Sample uses process hollowing technique 17->47 49 Queues an APC in another process (thread injection) 17->49 20 explorer.exe 2 6 17->20 injected process9 dnsIp10 37 www.n7m.tokyo 35.75.241.14, 49697, 80 AMAZON-02US United States 20->37 39 www.weplaycrypto.net 20->39 41 2 other IPs or domains 20->41 59 System process connects to network (likely due to code injection or exploit) 20->59 61 Uses ipconfig to lookup or modify the Windows network settings 20->61 24 ipconfig.exe 20->24         started        27 autofmt.exe 20->27         started        29 autofmt.exe 20->29         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 24->63 65 Maps a DLL or memory area into another process 24->65 67 Tries to detect virtualization through RDTSC time measurements 24->67 31 cmd.exe 1 24->31         started        process14 process15 33 conhost.exe 31->33         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-02-07 15:59:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:nes8 rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
16405df205ebe362119bc8ce881f9d9aeaaa613e0dc58c623fc98fdb4b4857f6
MD5 hash:
325abf1ad85b83766fd84f289798ce7f
SHA1 hash:
96b86063b6c8f03a5aa79ee823f40fbe9a131c90
SH256 hash:
174ae377574d8702e3a1122550b06c553a492ec6c9a92f1eb71971593fe7ab0d
MD5 hash:
fae15ab1a90b87eea9841daa9abd923c
SHA1 hash:
2bec726bd5aebef399bb15a85da7ccddf0823128
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: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 174ae377574d8702e3a1122550b06c553a492ec6c9a92f1eb71971593fe7ab0d

(this sample)

  
Delivery method
Distributed via web download

Comments