MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28782ca0edd1fa079dfa6f81b89637256857d42a43460117a37d53ccd622bdbd. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28782ca0edd1fa079dfa6f81b89637256857d42a43460117a37d53ccd622bdbd
SHA3-384 hash: a7b90c43dfde41fca26c0affc2eafac4bd3096c563bb0c867172d7280b0b6571f4e6d2aa0b547ffa2099dda3b4a70cf5
SHA1 hash: 42fd1f0da8fc6b0527d967339442ecf9eecacfe2
MD5 hash: f00a43886394ef1d97b9c6ffdd6c994d
humanhash: butter-quebec-spring-quebec
File name:нови ред.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:664'576 bytes
First seen:2020-08-03 17:42:45 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:DI94KTGXPE5f3NBBCcWYqQpU1YGsxZk6KjNp5yJpiwCHa0n/nIPGeb2hG0+3ttMC:D82PENBfRpUMU+niBuUG5vsWFm
Threatray 5'215 similar samples on MalwareBazaar
TLSH 84E4BE5C7B90892AF55A0FBE9D325103AD34E80FA927F38F39B5122C147A79C9C41F66
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: outsmtp01.sadecehosting.com
Sending IP: 77.92.152.35
From: Dušica Savić <Dusica.Savic@knaufinsulation.com>
Subject: нови ред
Attachment: нови ред.zip (contains "нови ред.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38039/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408329
Signature
Detected FormBook malware
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256399 Sample: #U043d#U043e#U0432#U0438 #U... Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 Yara detected AntiVM_3 2->58 60 6 other signatures 2->60 10 #U043d#U043e#U0432#U0438 #U0440#U0435#U0434.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\...\&startupname&.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp735D.tmp, XML 10->38 dropped 40 C:\...\&startupname&.exe:Zone.Identifier, ASCII 10->40 dropped 42 #U043d#U043e#U0432...U0435#U0434.exe.log, ASCII 10->42 dropped 13 RegSvcs.exe 10->13         started        16 RegSvcs.exe 10->16         started        18 schtasks.exe 1 10->18         started        20 2 other processes 10->20 process5 signatures6 64 Modifies the context of a thread in another process (thread injection) 13->64 66 Maps a DLL or memory area into another process 13->66 68 Sample uses process hollowing technique 13->68 70 Queues an APC in another process (thread injection) 13->70 22 explorer.exe 13->22 injected 72 Tries to detect virtualization through RDTSC time measurements 16->72 26 conhost.exe 18->26         started        process7 dnsIp8 48 gaoxingcpweb1.dgcnamerecovery.net 47.89.59.26, 49746, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 22->48 50 www.made-in-asiago.tech 22->50 52 2 other IPs or domains 22->52 62 System process connects to network (likely due to code injection or exploit) 22->62 28 cscript.exe 1 17 22->28         started        signatures9 process10 file11 44 C:\Users\user\AppData\...\46Alogrv.ini, data 28->44 dropped 46 C:\Users\user\AppData\...\46Alogri.ini, data 28->46 dropped 74 Detected FormBook malware 28->74 76 Tries to steal Mail credentials (via file access) 28->76 78 Tries to harvest and steal browser information (history, passwords, etc) 28->78 80 3 other signatures 28->80 32 cmd.exe 1 28->32         started        signatures12 process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28782ca0edd1fa079dfa6f81b89637256857d42a43460117a37d53ccd622bdbd/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 17:44:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb4czihn2h5aphp2n6a3rfrxevufpvbkindacf5dpvj4zvrcxw6q._file
Verdict:
malicious
Similar samples:
050ff80d0d4a5da0122a6ccce484c5807c3efa8fa033f047abc0762750303991
FormBook
0c2e455f5983d94458f8222bda189794e9095460e0df8764d4bd4787fc217a52
FormBook
30d3cf43f91eea8df889ee14337ca8067bc68521ff63184c679aac80b321bb75
FormBook
59793c1ac9d8537e06996b0a09f161deb98a77d527b0bc97b18e15972f120a2d
FormBook
70fce2b9eb9360b8733c9b77032bb566399d7ed9c2fb99b0cf2c823e93485bd9
FormBook
7da99d277c87633b2aab117deab3bfdd6f9cef0d82172264f600e7b385892c37
FormBook
8a10ba003c94b5e6576d10a0c4bd01cabef6d87e4811e96c1a028e2cde63f414
FormBook
9e31a9eedd25bd1b57d01f6f9f265cf5d13218f3e3e1866128d061ba5c77c452
FormBook
b5cfea4c983458975c376cb9ff0ebd5feb4a426dc83c9db60264678a43eef6e9
FormBook
c2100ac52466885fcb64010897d0c7a4178a5c00c47e13261f66976b38f26aaf
FormBook
+ 5'205 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat evasion trojan persistence spyware stealer family:formbook
Link:
https://tria.ge/reports/200803-eb3jqclx1j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Suspicious behavior: MapViewOfSection
Creates scheduled task(s)
System policy modification
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/28782ca0edd1fa079dfa6f81b89637256857d42a43460117a37d53ccd622bdbd

File information

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

Malspam

FormBook

zip 8e6d8d048c04c68fec2e940b41e4cab114031d14a7e82647c37bc03b1b65d975

FormBook

Executable exe 28782ca0edd1fa079dfa6f81b89637256857d42a43460117a37d53ccd622bdbd

(this sample)

  
Dropped by
MD5 1c2e8745acf357d539fe7cf74a2dc6d1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38039/
  
Dropped by
SHA256 8e6d8d048c04c68fec2e940b41e4cab114031d14a7e82647c37bc03b1b65d975

Comments