MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c15d1bb32d82a136a76d6e8867506dc2cc12cc183ed5a5c79335cb569e7d52c. 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: 3c15d1bb32d82a136a76d6e8867506dc2cc12cc183ed5a5c79335cb569e7d52c
SHA3-384 hash: 4ef6c2086ff80f2f59368a709e980ee157b1a1b03aa72875b5ee29d583c801d68f57d09663c33628c0d35be4741bc6a2
SHA1 hash: 1831d5dd11f54a9d46428992d6e1625d24565302
MD5 hash: 84c148d04013e64d21ebac8e8b1fe121
humanhash: mockingbird-asparagus-item-steak
File name:Specs INQUIRY.exe
Download: download sample
Signature FormBook
File size:395'776 bytes
First seen:2020-07-22 06:44:02 UTC
Last seen:2020-07-22 13:29:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Y2RXoF0OPUm2iNS8Iq7dFL2kphjwPGgb:YaOcm1Eq7dFNphjwz
Threatray 5'198 similar samples on MalwareBazaar
TLSH 1284CE10F7B907E9EB5943B9E06550109BB9651E63EBE70D2B92F1EC0932B418723F27
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: sinolift.com
Sending IP: 45.143.223.143
From: sinolift@sinolift.com
Subject: RE : 自动回复: INQUIRY
Attachment: Specs INQUIRY.zip (contains "Specs INQUIRY.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249607 Sample: Specs INQUIRY.exe Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 4 other signatures 2->59 10 Specs INQUIRY.exe 1 2->10         started        process3 file4 45 C:\Users\user\...\Specs INQUIRY.exe.log, ASCII 10->45 dropped 13 Specs INQUIRY.exe 10->13         started        process5 signatures6 75 Modifies the context of a thread in another process (thread injection) 13->75 77 Maps a DLL or memory area into another process 13->77 79 Sample uses process hollowing technique 13->79 81 Queues an APC in another process (thread injection) 13->81 16 explorer.exe 1 4 13->16 injected process7 dnsIp8 47 balancer.wixdns.net 35.242.251.130, 49731, 80 GOOGLEUS United States 16->47 49 www.playfulpupscolumbus.com 16->49 51 www155.wixdns.net 16->51 35 C:\Users\user\AppData\...\audiodgs2hdr40x.exe, PE32 16->35 dropped 61 System process connects to network (likely due to code injection or exploit) 16->61 63 Benign windows process drops PE files 16->63 21 WWAHost.exe 1 19 16->21         started        file9 signatures10 process11 file12 37 C:\Users\user\AppData\...\42Rlogrv.ini, data 21->37 dropped 39 C:\Users\user\AppData\...\42Rlogri.ini, data 21->39 dropped 41 C:\Users\user\AppData\...\42Rlogrf.ini, data 21->41 dropped 65 Detected FormBook malware 21->65 67 Tries to steal Mail credentials (via file access) 21->67 69 Tries to harvest and steal browser information (history, passwords, etc) 21->69 71 3 other signatures 21->71 25 cmd.exe 2 21->25         started        29 cmd.exe 1 21->29         started        signatures13 process14 file15 43 C:\Users\user\AppData\Local\Temp\DB1, SQLite 25->43 dropped 73 Tries to harvest and steal browser information (history, passwords, etc) 25->73 31 conhost.exe 25->31         started        33 conhost.exe 29->33         started        signatures16 process17
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-07-22 06:45:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
persistence spyware evasion trojan stealer family:formbook
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
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 3c15d1bb32d82a136a76d6e8867506dc2cc12cc183ed5a5c79335cb569e7d52c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments