MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments 1

SHA256 hash: f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
SHA3-384 hash: fb5533f41f9365887d2d7ca8de66068239cd5a7b68b292d1759033b4eab37c1804fd1065a9afdb3decd594225e1ed100
SHA1 hash: 9c9276f9da4df7b33bd0e3be2e5fe6b4543fc49d
MD5 hash: 6118e763aa0cf63beadfff4130d70396
humanhash: muppet-mars-diet-papa
File name:6118e763aa0cf63beadfff4130d70396
Download: download sample
Signature Formbook
File size:292'361 bytes
First seen:2023-02-22 03:51:27 UTC
Last seen:2023-02-22 05:32:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:gYa6ephXpPTQbK1GBS1Evsp7DByDgorKa2g4UeBCcgqjgTC:gYwpDkc7E9rKa2g4vRgFC
Threatray 1'957 similar samples on MalwareBazaar
TLSH T1D554024635E1C467EC6686720E39D6BE6EF1BD128C90A29733C47F4F7D33281A609362
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 e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Purchase Order.doc
Verdict:
Malicious activity
Analysis date:
2023-02-21 14:30:52 UTC
Tags:
exploit cve-2017-11882 formbook xloader

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Launching a process
Searching for synchronization primitives
Reading critical registry keys
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
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:
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
Detected unpacking (changes PE section rights)
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 domain / URL
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
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813072 Sample: 9Y0iIDL2cA.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 5 other signatures 2->55 11 9Y0iIDL2cA.exe 19 2->11         started        process3 file4 33 C:\Users\user\AppData\...\eepwidokpg.exe, PE32 11->33 dropped 14 eepwidokpg.exe 1 11->14         started        process5 signatures6 67 Detected unpacking (changes PE section rights) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Tries to detect virtualization through RDTSC time measurements 14->71 17 eepwidokpg.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 22 explorer.exe 2 6 17->22 injected process9 dnsIp10 35 www.chmoptk.xyz 162.0.228.50, 49703, 80 NAMECHEAP-NETUS Canada 22->35 37 www.island6.work 22->37 39 3 other IPs or domains 22->39 57 System process connects to network (likely due to code injection or exploit) 22->57 59 Performs DNS queries to domains with low reputation 22->59 26 WWAHost.exe 22->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2023-02-21 10:09:52 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 25 (84.00%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ko14 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 UnmapMainImage
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:
e2f1d65a23a0b85174c48680f0ac81d00346469c4cde8331dabfc77742203adc
MD5 hash:
4ea90d35291aa7abcebdf85cc1c4368a
SHA1 hash:
427f2c143e0ae4df50849e45ae1a8cbd86b0a16c
SH256 hash:
f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
MD5 hash:
6118e763aa0cf63beadfff4130d70396
SHA1 hash:
9c9276f9da4df7b33bd0e3be2e5fe6b4543fc49d
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:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Web download

Formbook

Executable exe f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-02-22 03:51:40 UTC

url : hxxps://www.erosaramtervezes-kivitelezes.hu/kentogint2.1.exe