MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a408cbe02b8793b921482f59664bc83c5f187f69b02189987c601c6d449d4013. 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: a408cbe02b8793b921482f59664bc83c5f187f69b02189987c601c6d449d4013
SHA3-384 hash: d4ced3b565e17340f9cf9dba5c6cea65e1ceeafba2f577f4f99d6dd88bdf3f96da80a780261d8030c42d9e6ef5be3b12
SHA1 hash: b8a5f7920dfda2e0246b067d9d978d707ee7deb3
MD5 hash: 633aba56993c8ccea4b206906c469254
humanhash: alabama-single-speaker-uniform
File name:Payment Advice-Advice Ref G5008785.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:335'872 bytes
First seen:2020-07-29 06:42:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:GW19hL5+nfdWsXJ9Pj1yxXzfpzitTcZTBG3SIeIB6hu3IZ+215T2:VLNSFHZNjwjAqQ0eMk6h
Threatray 5'117 similar samples on MalwareBazaar
TLSH 3164023137A96BE6C35DA3B81A69514403F6BE12E733C35D7EC466F906B2F688700A17
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: cloudhost-150218.us-midwest-1.nxcli.net
Sending IP: 104.207.254.25
From: Faisal Mashoud <faisalm@hsbc.com>
Subject: payment confirmation notification
Attachment: Payment Advice-Advice Ref G5008785.zip (contains "Payment Advice-Advice Ref G5008785.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34250/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401360
Signature
Benign windows process drops PE files
Creates autostart registry keys with suspicious names
Detected FormBook malware
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 252911 Sample: Payment Advice-Advice Ref G... Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 85 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Multi AV Scanner detection for dropped file 2->89 91 12 other signatures 2->91 10 Payment Advice-Advice Ref G5008785.exe 7 2->10         started        14 wuapihost.exe 2->14         started        process3 file4 59 C:\Users\user\AppData\...\&startupname&.exe, PE32 10->59 dropped 61 C:\...\&startupname&.exe:Zone.Identifier, ASCII 10->61 dropped 63 C:\Users\user\AppData\Local\...\tmp9108.tmp, XML 10->63 dropped 65 Payment Advice-Adv...ef G5008785.exe.log, ASCII 10->65 dropped 103 Injects a PE file into a foreign processes 10->103 16 Payment Advice-Advice Ref G5008785.exe 10->16         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 77 Modifies the context of a thread in another process (thread injection) 16->77 79 Maps a DLL or memory area into another process 16->79 81 Sample uses process hollowing technique 16->81 83 Queues an APC in another process (thread injection) 16->83 21 explorer.exe 4 6 16->21 injected 26 conhost.exe 19->26         started        process8 dnsIp9 71 www.comegetsomevoip.com 74.208.236.150, 49751, 49752, 49753 ONEANDONE-ASBrauerstrasse48DE United States 21->71 73 www.studiopenelope.com 23.227.38.32, 49750, 80 CLOUDFLARENETUS Canada 21->73 75 www.yennyso.com 21->75 57 C:\Users\user\AppData\...\update5jul9j.exe, PE32 21->57 dropped 93 System process connects to network (likely due to code injection or exploit) 21->93 95 Benign windows process drops PE files 21->95 28 chkdsk.exe 1 17 21->28         started        32 update5jul9j.exe 5 21->32         started        34 update5jul9j.exe 4 21->34         started        36 rundll32.exe 21->36         started        file10 signatures11 process12 file13 67 C:\Users\user\AppData\...\386logrv.ini, data 28->67 dropped 69 C:\Users\user\AppData\...\386logri.ini, data 28->69 dropped 105 Detected FormBook malware 28->105 107 Tries to steal Mail credentials (via file access) 28->107 109 Creates autostart registry keys with suspicious names 28->109 115 3 other signatures 28->115 38 cmd.exe 1 28->38         started        111 Injects a PE file into a foreign processes 32->111 40 update5jul9j.exe 32->40         started        43 schtasks.exe 1 32->43         started        45 schtasks.exe 34->45         started        47 update5jul9j.exe 34->47         started        49 update5jul9j.exe 34->49         started        113 Tries to detect virtualization through RDTSC time measurements 36->113 signatures14 process15 signatures16 51 conhost.exe 38->51         started        97 Modifies the context of a thread in another process (thread injection) 40->97 99 Maps a DLL or memory area into another process 40->99 101 Sample uses process hollowing technique 40->101 53 conhost.exe 43->53         started        55 conhost.exe 45->55         started        process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a408cbe02b8793b921482f59664bc83c5f187f69b02189987c601c6d449d4013/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 06:44:12 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uqemxyblq6j3sikif5mwms6ihrprq73jwaqytgd4maog2re5iajq._file
Verdict:
malicious
Similar samples:
0dddaffd814d2594a556109bb98ae820eb147567ab84dac08e3cc4cb1ce81d4c
FormBook
5e5d88343393a5a1f98a66c8e5967023e200dcf3be81bc0a3c210396156d0fea
FormBook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
FormBook
823f72e280224715e6d4f7fff1f792d2c372d7633eab250f2308325eff114c18
FormBook
b9c1be5f81b9261b1bb68fb0f667a57721bd04b750427a9382844c42d18dba6e
FormBook
c3aa8bddb8ca445d0908c2d02bbb01470c8998a0fc525847ec619fe7868ac043
FormBook
d1dfcf2c14f3a10655f061a7833367abdcdeba8ad5ab3843edc4bed4ec19e9f9
FormBook
daa11a454d19db26e0628d81c0b187667405e26c08bdd466e43565d9b065c952
FormBook
f9105883e8b27ee7cfbe161616f341841f2b7e8c36f5d2b11796e0b002d86ad8
FormBook
f9fa0a06495f261c09ee9f5cd1f3e32ed8d05e6cc65ed223adb4bf6c02cc90dd
FormBook
+ 5'107 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200729-67hyxnt182/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a408cbe02b8793b921482f59664bc83c5f187f69b02189987c601c6d449d4013

File information

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

Malspam

FormBook

zip 53dc8d1b0b0333338042b6d72da068ef790044c5f93a36cdd6784cdd246f0ea4

FormBook

Executable exe a408cbe02b8793b921482f59664bc83c5f187f69b02189987c601c6d449d4013

(this sample)

  
Dropped by
MD5 96c26f0fdf537c1e9120ce84461568a5
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34250/
  
Dropped by
SHA256 53dc8d1b0b0333338042b6d72da068ef790044c5f93a36cdd6784cdd246f0ea4

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