MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0ca69bd0c1cde0b3a3e5bbae618c3edc82314f323ff4f062edb2d429d394548. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: e0ca69bd0c1cde0b3a3e5bbae618c3edc82314f323ff4f062edb2d429d394548
SHA3-384 hash: 3a0144bcef88d861d21498775601984fbf376c5f6a573b06c2d30ec7905f9b021ba9847ebfc0f6e0912d6b3181df2df6
SHA1 hash: 596a3870aa1cc9c6ca73c27fb3536a6fe829b37d
MD5 hash: 62c01de7d22ad698ebc650a752688809
humanhash: eight-double-network-diet
File name:Nueva orden de compra.pdf.exe
Download: download sample
Signature Formbook
File size:392'192 bytes
First seen:2021-11-10 14:01:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:JJZ3OQ3tYYMkMBtidyrPA3MpZiRiuX+1aR8RE3kyEbjTxXW05V6fhMPcHKv:JJMutYYTG1jpZiRiPKgE3k9XW0CaL
Threatray 11'101 similar samples on MalwareBazaar
TLSH T1F384122A77688C2AE95D663BEC9F714003BDB28329C3FF5FF65C617A54A2385010369D
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
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: 519244 Sample: Nueva orden de compra.pdf.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 41 www.elianedefalco.com 2->41 43 elianedefalco.com 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 15 other signatures 2->51 11 Nueva orden de compra.pdf.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\PFiauiOOCxbP.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp8504.tmp, XML 11->37 dropped 39 C:\...39ueva orden de compra.pdf.exe.log, ASCII 11->39 dropped 53 Adds a directory exclusion to Windows Defender 11->53 15 RegSvcs.exe 11->15         started        18 powershell.exe 23 11->18         started        20 schtasks.exe 1 11->20         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 2 other signatures 15->67 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 systray.exe 22->28         started        signatures11 55 Modifies the context of a thread in another process (thread injection) 28->55 57 Maps a DLL or memory area into another process 28->57 59 Tries to detect virtualization through RDTSC time measurements 28->59 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2021-11-09 15:36:26 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dv9n rat spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
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:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
SH256 hash:
b3bccb644278439d1ba914002d0a08bc95d2de8d26e1128487e816f9453ea50a
MD5 hash:
889e8221e7084fb33f2b3e9f7274e57a
SHA1 hash:
a3cb951a65632fbeb56768fdce6a22937780fb7b
SH256 hash:
e0ca69bd0c1cde0b3a3e5bbae618c3edc82314f323ff4f062edb2d429d394548
MD5 hash:
62c01de7d22ad698ebc650a752688809
SHA1 hash:
596a3870aa1cc9c6ca73c27fb3536a6fe829b37d
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 e0ca69bd0c1cde0b3a3e5bbae618c3edc82314f323ff4f062edb2d429d394548

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments