MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 125c9498bdcd38fb36d35e3eb32f45ede843e53eeb57e973255cf11d66318210. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 125c9498bdcd38fb36d35e3eb32f45ede843e53eeb57e973255cf11d66318210
SHA3-384 hash: a120dc519ed262970a981996f357b90c4261c24f7eda4515e9cceeed3e9018a76cafd73beb203b237f21f45e161264c3
SHA1 hash: ac2f1256173e64b85cf1653bec6bf0d29420a82a
MD5 hash: 6d23db9129edd1b1d14d9965baa3a251
humanhash: washington-pluto-green-friend
File name:6d23db9129edd1b1d14d9965baa3a251.exe
Download: download sample
Signature Formbook
File size:455'680 bytes
First seen:2021-12-20 09:46:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:ztebkTl2pslyNDdc02tmTemAvVLohGIJFFppIyS3mmDDS6hKLhoS/MOOeMtq7PdX:gsl+T2tmiFVaFppIyAhXGSGyHMd
Threatray 12'385 similar samples on MalwareBazaar
TLSH T1EAA4E06C32A7A7DED97053B83BB9503403A6BC725127D259D89A31DF1937B40BA23B13
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Found 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 542658 Sample: 0Z9Q5vtqV0.exe Startdate: 20/12/2021 Architecture: WINDOWS Score: 100 31 www.tnb-research.net 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 0Z9Q5vtqV0.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\0Z9Q5vtqV0.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 0Z9Q5vtqV0.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.informacja7902.site 84.32.188.89, 49814, 80 VUB-ASIT Lithuania 18->33 35 cummingautorepairs.com 23.229.143.36, 49792, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->35 37 www.cummingautorepairs.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 control.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-20 20:51:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a3f0 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
265ef809ccb008760a41c04e171b7493e2a15f091aa693f6ebe146420e090bdf
MD5 hash:
1dda3144bad6364a4bfa2f12bd1930e4
SHA1 hash:
8130e9df0cf85784990a5960cd980d36d759926b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a447aedfb470435a88df559356b14e810aef58e64e12aec186cb1da28748beb5
MD5 hash:
97ba3929f1aa9e01973762b35a8881ba
SHA1 hash:
be59f22a5542c66d35975cc1c3dbd463d8c1f0a9
SH256 hash:
cc863038dfc58d37276a1f1cb952870d6a2cd81a7ac72d3ed7021e5c5aa1c8f0
MD5 hash:
2c5570f3b591aa1fd57f5ec62ab89b76
SHA1 hash:
7a451b030d1acef0a149e333ba9df225fc5494d1
SH256 hash:
125c9498bdcd38fb36d35e3eb32f45ede843e53eeb57e973255cf11d66318210
MD5 hash:
6d23db9129edd1b1d14d9965baa3a251
SHA1 hash:
ac2f1256173e64b85cf1653bec6bf0d29420a82a
Malware family:
FormBook
Verdict:
Malicious
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: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.

Web download

Formbook

Executable exe 125c9498bdcd38fb36d35e3eb32f45ede843e53eeb57e973255cf11d66318210

(this sample)

  
Delivery method
Distributed via web download

Comments