MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc9313eb1e94d26aae9ad9f8e5310589092b1a29f0436017417c3ad3e4f42e0d. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: dc9313eb1e94d26aae9ad9f8e5310589092b1a29f0436017417c3ad3e4f42e0d
SHA3-384 hash: 0eac5e6d50d86b4771466ac96fe48ce16be5bc0fc4b017ee7e766e602bd8f02394df667ecb0f3b6c7ea942a0bd79634f
SHA1 hash: c264f6ad4a1623c1074316ab736ccc44f7fdef4a
MD5 hash: 86870daf2a3aac9d194d24c396ca62ec
humanhash: maryland-fourteen-stream-uniform
File name:PO200712VB#112.exe
Download: download sample
Signature FormBook
File size:876'032 bytes
First seen:2020-08-03 07:16:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:atrbNjobs/pXnf9DiyMl0K4ziEiIZXAFA4ro5G81GqrRppppppppppppppppppp7:spjobUDnMl0K4/VJV4ri
Threatray 5'608 similar samples on MalwareBazaar
TLSH 1D15BE487A804565F95A4F3A9D36C4329E21FC5FAC32E34E21F53D6F3ABA3985801F16
Reporter abuse_ch
Tags:Endurance exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: qproxy4-pub.mail.unifiedlayer.com
Sending IP: 66.147.248.250
From: Martin Ariel Castillero <info@compliancemodel.com>
Reply-To: nereus@cytanet.com.cy
Subject: REQUEST FOR PROFORMA INVOICE FOR DEPOSIT
Attachment: PO200712VB112.rar (contains "PO200712VB#112.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Detected FormBook malware
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255928 Sample: PO200712VB#112.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Yara detected AntiVM_3 2->47 49 Yara detected FormBook 2->49 51 2 other signatures 2->51 10 PO200712VB#112.exe 3 2->10         started        process3 signatures4 65 Tries to detect virtualization through RDTSC time measurements 10->65 67 Injects a PE file into a foreign processes 10->67 13 PO200712VB#112.exe 10->13         started        process5 signatures6 69 Modifies the context of a thread in another process (thread injection) 13->69 71 Maps a DLL or memory area into another process 13->71 73 Sample uses process hollowing technique 13->73 75 Queues an APC in another process (thread injection) 13->75 16 explorer.exe 3 6 13->16 injected process7 dnsIp8 39 www.flycoz.com 162.213.250.91, 49742, 49743, 49744 NAMECHEAP-NETUS United States 16->39 41 rh-tv.com 148.72.15.229, 49741, 80 AS-26496-GO-DADDY-COM-LLCUS United States 16->41 43 2 other IPs or domains 16->43 33 C:\Users\user\AppData\...\x2kdefenjl.exe, PE32 16->33 dropped 53 System process connects to network (likely due to code injection or exploit) 16->53 55 Benign windows process drops PE files 16->55 21 msiexec.exe 1 17 16->21         started        25 x2kdefenjl.exe 2 16->25         started        27 x2kdefenjl.exe 2 16->27         started        file9 signatures10 process11 file12 35 C:\Users\user\AppData\...\-1-logrv.ini, data 21->35 dropped 37 C:\Users\user\AppData\...\-1-logri.ini, data 21->37 dropped 57 Detected FormBook malware 21->57 59 Tries to steal Mail credentials (via file access) 21->59 61 Tries to harvest and steal browser information (history, passwords, etc) 21->61 63 3 other signatures 21->63 29 cmd.exe 1 21->29         started        signatures13 process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-03 07:18:09 UTC
AV detection:
30 of 48 (62.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

FormBook

Executable exe dc9313eb1e94d26aae9ad9f8e5310589092b1a29f0436017417c3ad3e4f42e0d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments