MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff718c72c5852e87c6ab698519b971e47805c87692a897c2e8ad258fa4633569. 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 2 File information Comments

SHA256 hash: ff718c72c5852e87c6ab698519b971e47805c87692a897c2e8ad258fa4633569
SHA3-384 hash: 350b393986b25940299b9d94177978e9e9f87944227eaa0cdf9ef9253155ece3f0e0e8e9b46433f77365ae79df7c885b
SHA1 hash: 2a3de49f04bb3a076e080552dafa16e9caf75d43
MD5 hash: 79a333c5165423824fc6b2eede492de0
humanhash: network-purple-paris-lactose
File name:4th Hire Settlement.exe
Download: download sample
Signature Formbook
File size:900'096 bytes
First seen:2022-06-29 12:28:43 UTC
Last seen:2022-06-29 13:46:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:JAG6QO2jPFsicpcSPHtLqFtuePBmQOSvpnYUUDcNHtMJ:JgoFsicaQLRe5mFU7xtMJ
TLSH T10515CF1563EC8F9BC4BA537DF0913A5A53B5F100A60BEB8B4398B1F63D923A1DD44683
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware 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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 654363 Sample: 4th Hire Settlement.exe Startdate: 29/06/2022 Architecture: WINDOWS Score: 100 34 www.numitoken.site 2->34 36 www.gallenbach.online 2->36 38 2 other IPs or domains 2->38 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 10 other signatures 2->60 10 4th Hire Settlement.exe 3 2->10         started        signatures3 process4 file5 32 C:\Users\user\...\4th Hire Settlement.exe.log, ASCII 10->32 dropped 13 4th Hire Settlement.exe 10->13         started        16 4th Hire Settlement.exe 10->16         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 13->62 64 Maps a DLL or memory area into another process 13->64 66 Sample uses process hollowing technique 13->66 68 Queues an APC in another process (thread injection) 13->68 18 cmstp.exe 13->18         started        21 explorer.exe 13->21 injected process8 dnsIp9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Tries to detect virtualization through RDTSC time measurements 18->50 24 cmd.exe 1 18->24         started        40 alaqarieen.net 185.166.188.82, 49829, 80 TERRATRANSIT-ASDE Germany 21->40 42 www.baintsras.com 199.192.20.117, 49857, 80 NAMECHEAP-NETUS United States 21->42 44 3 other IPs or domains 21->44 52 System process connects to network (likely due to code injection or exploit) 21->52 26 autofmt.exe 21->26         started        28 autochk.exe 21->28         started        signatures10 process11 process12 30 conhost.exe 24->30         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-29 02:37:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:bh33 loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0d2bb4de9cd309351cdaf9af2f67b15b3f161794bac0a9c2a0f9411aea8ee826
MD5 hash:
5ed8ea13d01c747b6e61f0e81982ea94
SHA1 hash:
eb08ab0554375c1d680d05f4e7e4c3df4852ccae
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
4b9814d7caaffdd70c181724a5e9f3a762f4cfc7482ebfaf833a4579d52d0cd1
MD5 hash:
10b01e2e5b50125baf5328983874135d
SHA1 hash:
32b1e6d808aa3be9d4caeb1aa6e62a633d468ed9
SH256 hash:
7bdf7e67ffa017e0e75c3dc3f55bb4498acc688892111487b0d5f0723b84a278
MD5 hash:
ffd7c6417417031910a596986fcfb395
SHA1 hash:
30e8dbc3a1de225f8b3fb11abac6f72598c8a073
SH256 hash:
ff718c72c5852e87c6ab698519b971e47805c87692a897c2e8ad258fa4633569
MD5 hash:
79a333c5165423824fc6b2eede492de0
SHA1 hash:
2a3de49f04bb3a076e080552dafa16e9caf75d43
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe ff718c72c5852e87c6ab698519b971e47805c87692a897c2e8ad258fa4633569

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments