MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d2178f66a2f38749fe7a14664a5d360a42394720903651aea85a5d96cfdbc41. 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: 8d2178f66a2f38749fe7a14664a5d360a42394720903651aea85a5d96cfdbc41
SHA3-384 hash: 199e866b6950ea303069dc20325bc345e8f0e6a2dfc35481bab6cab1f0fe2c2102af8f18e9c3a4d1f1175a4fcee02307
SHA1 hash: dd9bb1035f124d3f79663b1514c5fb22fb991020
MD5 hash: eb325d0223d428ae25de930fa2d6cde9
humanhash: comet-victor-berlin-magazine
File name:Lista de вrdenes de compra.pdf.exe
Download: download sample
Signature Formbook
File size:883'712 bytes
First seen:2021-11-08 19:22:48 UTC
Last seen:2021-11-08 19:51:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ALf5eoEntZKYF71fFh5BhvnYjp5wylGagSGMuqzDIBD2EjsB3hRCNA8Qu5B9:ALf4UYF7Lh5BhvnYjp5wylGcERsFjs
Threatray 7'166 similar samples on MalwareBazaar
TLSH T1E3155C027AD48C05C37A06324D6BA12CDAA46D67753E8218BE9E337F2F777511A1723E
Reporter TeamDreier
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 517977 Sample: Lista de #U0432rdenes de co... Startdate: 08/11/2021 Architecture: WINDOWS Score: 100 43 www.100daysofml.com 2->43 45 parkingpage.namecheap.com 2->45 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 13 other signatures 2->59 11 Lista de #U0432rdenes de compra.pdf.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\UgOyIH.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp42F9.tmp, XML 11->41 dropped 63 Adds a directory exclusion to Windows Defender 11->63 15 RegSvcs.exe 11->15         started        18 powershell.exe 23 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 2 other signatures 15->77 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 47 elianedefalco.com 66.235.200.147, 49819, 80 CLOUDFLARENETUS United States 22->47 49 www.motobotz.com 155.159.206.76, 49794, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 22->49 51 www.elianedefalco.com 22->51 61 System process connects to network (likely due to code injection or exploit) 22->61 30 wscript.exe 22->30         started        33 autochk.exe 22->33         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 30->65 67 Maps a DLL or memory area into another process 30->67 69 Tries to detect virtualization through RDTSC time measurements 30->69 35 cmd.exe 1 30->35         started        process14 process15 37 conhost.exe 35->37         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-08 19:23:05 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dv9n rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.elianedefalco.com/dv9n/
Unpacked files
SH256 hash:
91247d29e38c5d0736f69467ea73ab3b5c5af447002f4fec5aef94fa0910ea49
MD5 hash:
aff6bd42cdae47f707eb7f7d7963cbb7
SHA1 hash:
9a760d8c0bd93904227152211c9ce9418cd79858
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6b3e735afb797b0cff39808d711082c80a8159bf7204446f9e8f78865c18d2cd
MD5 hash:
5884e830d2965fbb42ce14b447905907
SHA1 hash:
c835ab3c8b2b98d4bcdd050b022b99b100cb1a93
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
SH256 hash:
8d2178f66a2f38749fe7a14664a5d360a42394720903651aea85a5d96cfdbc41
MD5 hash:
eb325d0223d428ae25de930fa2d6cde9
SHA1 hash:
dd9bb1035f124d3f79663b1514c5fb22fb991020
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.

Malspam

Formbook

Executable exe 8d2178f66a2f38749fe7a14664a5d360a42394720903651aea85a5d96cfdbc41

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments