MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a76588c6088ba6b56904fa50df8547ff3b93a67b520769d73e92b04bb8d718d6. 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: a76588c6088ba6b56904fa50df8547ff3b93a67b520769d73e92b04bb8d718d6
SHA3-384 hash: e1d95e651fa2233d34c754d60c658e81db84c74191db0ad5490662631eb5e0d60c88959953bdee257834ae9239d90448
SHA1 hash: 9441f46138be11322bbbe543be8912f46b08f0a4
MD5 hash: 22c13c4a285556b9db7ecee8bbecb83c
humanhash: burger-charlie-north-winner
File name:New order.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:377'344 bytes
First seen:2020-08-15 05:54:32 UTC
Last seen:2020-08-15 06:52:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:CtnRvhptQDiqRUD4NYtwg2ZZ5X6wW40WyUrC+rY9zzP5ZFPBSjr4ddt6cT8rE4fG:CtRvFDqRU98nX6wWvIYx7Sjr4rLmET9r
Threatray 2'239 similar samples on MalwareBazaar
TLSH FC84F14C34E0A176F7F95BF6A8246C08477563264823EF0F5E95A3F003E3BE66A4951B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: server100.maindns.net
Sending IP: 195.201.12.83
From: support@sepidangasaria.com
Reply-To: yan.purchasedept@protonmail.com
Subject: Re: URGENT ORDER
Attachment: New order.rar (contains "New order.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46230/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.50805.19725.11328.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/431681
Signature
Benign windows process drops PE files
Binary contains a suspicious time stamp
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 268256 Sample: New order.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 39 www.quantumbinarydigit.com 2->39 45 Malicious sample detected (through community Yara rule) 2->45 47 Yara detected AntiVM_3 2->47 49 Yara detected FormBook 2->49 51 5 other signatures 2->51 11 New order.exe 3 2->11         started        signatures3 process4 signatures5 61 Injects a PE file into a foreign processes 11->61 14 New order.exe 11->14         started        process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 17 explorer.exe 1 4 14->17 injected process8 dnsIp9 35 www.ttxs5.com 2.56.120.125, 49752, 80 DEDIPATH-LLCUS Latvia 17->35 37 www.profilepanache.site 17->37 41 System process connects to network (likely due to code injection or exploit) 17->41 43 Benign windows process drops PE files 17->43 21 help.exe 1 17 17->21         started        25 autoconv.exe 17->25         started        signatures10 process11 file12 31 C:\Users\user\AppData\...\J73logrv.ini, data 21->31 dropped 33 C:\Users\user\AppData\...\J73logri.ini, data 21->33 dropped 53 Detected FormBook malware 21->53 55 Tries to steal Mail credentials (via file access) 21->55 57 Tries to harvest and steal browser information (history, passwords, etc) 21->57 59 3 other signatures 21->59 27 cmd.exe 1 21->27         started        signatures13 process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a76588c6088ba6b56904fa50df8547ff3b93a67b520769d73e92b04bb8d718d6/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-15 05:56:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u5syrrqirotlk2ie7jin7bkh745zhjt3kidwtvz6skyexogxddla._file
Verdict:
malicious
Similar samples:
353e4fd91fe618f5c22c9cae00e7575e9b1914576ff7e332d03ca3e9f7dbbbbc
FormBook
3fda6f5aaefec5286f13f453ce9ca896d82c0065ffb4c9019dc12eb685609117
FormBook
4fd6cfb4c08338e8b3a6ec64118aa6ad90350e865e90365b5b700aa41908b984
FormBook
59793c1ac9d8537e06996b0a09f161deb98a77d527b0bc97b18e15972f120a2d
FormBook
8f06b49b371c6b257b716689b767ebf4bbc75391d0cf152b9bbe498ef55d017c
FormBook
a8534e310ee42756cfc01caf1eeddc8f4bca6e7e7f36de1a90f5c6ccc480e90a
FormBook
b8a70285a4c92a2f629bcb9f0beafccf5ac73e934e28401b970ad4ca6d8bc60b
FormBook
bfb2fd4412e9cd136a794f61436d597d7d58fb4fd842509dabe7a70344e4fd97
FormBook
e3262e18e77da24473b5af2117f10a3121c8ed1a832c6e1b0f5a8f0d7e5fecda
FormBook
f7321d982e89fafff68c30ca74dbc1612466c4385a51a0a7b203641e31b27c26
FormBook
+ 2'229 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200815-b4w1vylxds/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fex-tracks.com/rw8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a76588c6088ba6b56904fa50df8547ff3b93a67b520769d73e92b04bb8d718d6

File information

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

Malspam

FormBook

rar 76c953184e05055cbafdf1fe6fb96c48298cc945e96c726e705f3f0b06fcae66

FormBook

Executable exe a76588c6088ba6b56904fa50df8547ff3b93a67b520769d73e92b04bb8d718d6

(this sample)

  
Dropped by
MD5 12162fcf0f7a626a37eabe8e31396600
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46230/
  
Dropped by
SHA256 76c953184e05055cbafdf1fe6fb96c48298cc945e96c726e705f3f0b06fcae66

Comments