MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 464ffb9a16b269537c0b4475ebe897cc2bb1e0e8d35b0da24aaf21d677a5bf02. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 464ffb9a16b269537c0b4475ebe897cc2bb1e0e8d35b0da24aaf21d677a5bf02
SHA3-384 hash: 9a9f84f97514fdee284dd1d4c254e57ce7c0c86e486a058ca7985048aa25a57f8905e0f7c77a5e6e7f36d69ce2efdd2e
SHA1 hash: 4007e0960f791dba1eeaadba5acad5c91e8e9552
MD5 hash: 073069364ffe216c15cf66a0da41730d
humanhash: winner-california-quebec-louisiana
File name:PAYMENT UPDATE:: DEBIT NOTE::INVOICE NO. SUVI:20-08:13_PDF.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:619'008 bytes
First seen:2020-08-13 11:16:20 UTC
Last seen:2020-08-13 12:24:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:H6gvdjCaLUv503+l03++LweWxLf8x1T7jC6l7GUytw91YLompS3qc+0XY:VdjCaLUB03+l03++LLWxj8x1C6zyt++b
Threatray 2'240 similar samples on MalwareBazaar
TLSH 9ED4CF6423A55573E57A7E348A32161007B77CA76A3EC30E4F8D76CF98217AC8A10B77
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: manda.com
Sending IP: 45.127.62.67
From: xiaoyu.Zheng@djmillison.com
Subject: PAYMENT UPDATE// DEBIT NOTE//INVOICE NO. SUVI/20-21/12
Attachment: PAYMENT UPDATE DEBIT NOTEINVOICE NO. SUVI20-0813_PDF.gz (contains "PAYMENT UPDATE:: DEBIT NOTE::INVOICE NO. SUVI:20-08:13_PDF.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45122/
Detection(s):
SecuriteInfo.com.Variant.Bulz.47874.17213.5869.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
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/425989
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
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: Suspicious Svchost Process
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: 265610 Sample: PAYMENT UPDATE__ DEBIT NOTE... Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 45 www.orphanshop.net 2->45 47 cdn.onenote.net 2->47 55 Malicious sample detected (through community Yara rule) 2->55 57 Yara detected AntiVM_3 2->57 59 Yara detected FormBook 2->59 61 8 other signatures 2->61 11 PAYMENT UPDATE__ DEBIT NOTE__INVOICE NO. SUVI_20-08_13_PDF.exe 3 2->11         started        signatures3 process4 file5 43 PAYMENT UPDATE__ D...0-08_13_PDF.exe.log, ASCII 11->43 dropped 75 Injects a PE file into a foreign processes 11->75 15 PAYMENT UPDATE__ DEBIT NOTE__INVOICE NO. SUVI_20-08_13_PDF.exe 11->15         started        signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 18 explorer.exe 3 6 15->18 injected process9 dnsIp10 49 thetonisher.com 184.168.131.241, 49741, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->49 51 www.varrado.com 18->51 53 www.thetonisher.com 18->53 37 C:\Users\user\AppData\...\mtillrkpnhlpbp.exe, PE32 18->37 dropped 63 System process connects to network (likely due to code injection or exploit) 18->63 65 Benign windows process drops PE files 18->65 23 svchost.exe 18->23         started        27 autochk.exe 18->27         started        29 mtillrkpnhlpbp.exe 18->29         started        31 mtillrkpnhlpbp.exe 18->31         started        file11 signatures12 process13 file14 39 C:\Users\user\AppData\...\KM5logrv.ini, data 23->39 dropped 41 C:\Users\user\AppData\...\KM5logri.ini, data 23->41 dropped 67 Detected FormBook malware 23->67 69 Tries to steal Mail credentials (via file access) 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 73 3 other signatures 23->73 33 cmd.exe 23->33         started        signatures15 process16 process17 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/464ffb9a16b269537c0b4475ebe897cc2bb1e0e8d35b0da24aaf21d677a5bf02/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 11:18:09 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=izh7xgqwwjuvg7alir26x2exzqv3dyhi2nnq3iskv4q5m55fx4ba._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
20000a9d0078fa18b60d9ad52d36b4f5dfa77d2f74866e8793ee0085ab0c9964
FormBook
3f86f49f3c2e3583c70385971bdba545c85d8f2d66f8923bf446dde88be3afc0
FormBook
4d5c7e3ebcae0ff2419bc76ff30b7681cf9a11751834ee0dcc5868a48f9c30b3
FormBook
6023812166224ffe7f3ff3efacddccd27c4ae1f09aa2dc9e2f5c8557d6bb4382
FormBook
7c479cfb9c3df15b565e16fc62709d8af849773c5112b53bf4d41f939219d6d8
FormBook
9b2c6f08cd9a4e3b144422de4d540290542ce50239f2c85697a036a461b25264
FormBook
b7b8c2b1de957151098bf5806ac0b4a90eeb9f61dd211176072b3b3ba21c23cc
FormBook
c7544c2d4180660fc3a96f3b66b5caa0e168dcfbb35a870f1c576a152ed62348
FormBook
e13acda03eb4829793beb5c0664d5752663b7ef5ae72b63724e7eaf189a9fec4
FormBook
ed3e93996b60fbaeb82c59f62dc3dcee809b229748ad7772829a8f738e307cbd
FormBook
+ 2'230 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200813-rn3kcwk8tx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.flekcht.com/f4m/
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/464ffb9a16b269537c0b4475ebe897cc2bb1e0e8d35b0da24aaf21d677a5bf02

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote

File information

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

Malspam

FormBook

zip 3eef18b69ced42f52d8942cb885b3b7abe4e95b1d75efa7fb5cf586142dbe151

FormBook

Executable exe 464ffb9a16b269537c0b4475ebe897cc2bb1e0e8d35b0da24aaf21d677a5bf02

(this sample)

  
Dropped by
MD5 f38ca52b2565722e26fa379072fbb152
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45122/
  
Dropped by
SHA256 3eef18b69ced42f52d8942cb885b3b7abe4e95b1d75efa7fb5cf586142dbe151

Comments