MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec50585dab84864994cf600d29f959c3a510b149b6c8a379e077376d6ceed431. 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: ec50585dab84864994cf600d29f959c3a510b149b6c8a379e077376d6ceed431
SHA3-384 hash: c6c993db9c531945c7b6538c934c365f44a65e56dae4ef57a68d4dd25459030f9907841b73c58e4521a7be69c5a55bd6
SHA1 hash: 7ba12b0c2373a7420043ab9ea207ffe43ab223d2
MD5 hash: b801c9cfb9c362113591d0c7510be488
humanhash: happy-london-utah-oxygen
File name:ec50585dab84864994cf600d29f959c3a510b149b6c8a379e077376d6ceed431
Download: download sample
Signature Formbook
File size:851'968 bytes
First seen:2022-10-10 10:06:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:nfz4Stx/uXgbvbQaglEYlHkDwyfqUUcwIlR/HKsAqxiS25cdk:nfXtx/EgbbXatpGpiUUulFq7qwwk
TLSH T1C305C054263AC90BC969B670DCD1E3752FA86DE4475FC24F08DC3CABF23B2586DA1261
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 719349 Sample: 1OsPrZyGAR.exe Startdate: 10/10/2022 Architecture: WINDOWS Score: 100 31 www.anthropologybythewire.com 2->31 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 11 1OsPrZyGAR.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\1OsPrZyGAR.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 1OsPrZyGAR.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.anthropologybythewire.com 103.224.212.222, 49702, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->33 35 www.mhjys.com 156.244.135.108, 49703, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 cscript.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-09-20 04:48:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 26 (84.62%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:p94a rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
535a0b3e0596a26dedd145e0732fa69f4eb42d2c9a87a972b44e79e2fd76f825
MD5 hash:
7241a753759b2ab23fa2d871a760c331
SHA1 hash:
9e5baa96017ff6de28cf1dabcc15baf3e9e35676
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
dc69cd412f1a1186dfeb3fcf5b7565e3cd4136da11c130b4b7f951b278ff0617
MD5 hash:
dab14bcb4a7c89d10e085724315e1416
SHA1 hash:
70d8306c5c9e60af534300ccf31b8ad1265642b0
SH256 hash:
2d64341d9a307861d6f9b52a27cc4e8db41450a2c40b5b3601a39fcbb57e203b
MD5 hash:
eb58f36b3717d0c21c27ebd7b285f363
SHA1 hash:
5db8d810d3c1440390ea7c0bdce97ac5af4b2053
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
ec50585dab84864994cf600d29f959c3a510b149b6c8a379e077376d6ceed431
MD5 hash:
b801c9cfb9c362113591d0c7510be488
SHA1 hash:
7ba12b0c2373a7420043ab9ea207ffe43ab223d2
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.

Comments