MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 680d5f98cd089a73e5902b3ff4e91511430c2a2c07cde11b44882fbcde670395. 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: 680d5f98cd089a73e5902b3ff4e91511430c2a2c07cde11b44882fbcde670395
SHA3-384 hash: 620e83c1a60282adbbf2fa859ea1dbed91eb02dad4cd2ee1e0bfbd2d471f25368ef4c360ffe0b206b601f0b72062e7f3
SHA1 hash: 8ea129a4bfb6df364b745dd6bcfffc60970075e3
MD5 hash: d3cda706accb4aa2a3ad289319105464
humanhash: missouri-leopard-lima-kentucky
File name:Shipping doc&_B-Landen.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:519'168 bytes
First seen:2021-04-11 07:44:31 UTC
Last seen:2021-04-11 09:03:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:vehR2HbmoKpkaphFpgVY31Hx6L6oTHH6KRcyo9KoXCGE2JKiI:veh87mFkkFpgfL6uaryofKiI
TLSH 90B48D5AB960A3A4D7D48872EE0BE3720E255C5F590210A367F8BE673FFD527CA05630
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.57.152
From: <sales@sulaihi.com>
Subject: Export Invoice for Order No : PIEX310113978
Attachment: Shipping doc_B-Landen.rar (contains "Shipping doc&_B-Landen.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping doc&_B-Landen.exe
Verdict:
No threats detected
Analysis date:
2021-04-11 07:45:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fbfa1257-717f-4165-a734-7d3fb6b47f00

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/133533/
Detection(s):
SecuriteInfo.com.Trojan.Crypt.MSIL.3312.30769.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/672169
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 385031 Sample: Shipping doc&_B-Landen.exe Startdate: 11/04/2021 Architecture: WINDOWS Score: 100 39 clientconfig.passport.net 2->39 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 10 other signatures 2->53 11 Shipping doc&_B-Landen.exe 5 2->11         started        signatures3 process4 file5 33 C:\Users\user\...\Shipping doc&_B-Landen.exe, PE32 11->33 dropped 35 Shipping doc&_B-La...exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\...\Shipping doc&_B-Landen.exe.log, ASCII 11->37 dropped 63 Writes to foreign memory regions 11->63 65 Allocates memory in foreign processes 11->65 67 Adds a directory exclusion to Windows Defender 11->67 69 Injects a PE file into a foreign processes 11->69 15 Shipping doc&_B-Landen.exe 11->15         started        18 powershell.exe 26 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 www.reflexmem.com 156.235.110.59, 49758, 80 VPSQUANUS Seychelles 20->41 43 1simpledrop.com 50.62.137.41, 49761, 80 AS-26496-GO-DADDY-COM-LLCUS United States 20->43 45 www.1simpledrop.com 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 cscript.exe 20->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/680d5f98cd089a73e5902b3ff4e91511430c2a2c07cde11b44882fbcde670395/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nagv7ggnbcnhhzmqfm77j2ivcfbqykrma7g6cg2erax3zxthaokq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210411-b1gt9qnhmj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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.discorddeno.land/suod/
Unpacked files
SH256 hash:
f4bd34697a501913488485317945ce4d513b6ada631a25c3a5ac48ed1d6f230a
MD5 hash:
731bdde50d6129f2aae111e748906cac
SHA1 hash:
abec816749ab9e19b7469325bb6c280d77c99f76
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/936a3e8c-2e1b-4cde-a9e8-54cb5b5cf2dd/
Parent samples :
029626fb22c7446fc6f2abd2551252a08507c68fd035d41694e2c77b6e868698
ca146513d9ec6ec60b81b20fd9aa2f262c54d447e8361417c3c4b7678e51e6a5
9c6abdf1e5ff719e261ea153555b981cd907ba5f79f50943d679d59967eba445
680d5f98cd089a73e5902b3ff4e91511430c2a2c07cde11b44882fbcde670395
SH256 hash:
38cbf85aefe5f72c536486ae110e32c28a54d01fca59a391593397f9f3cc8cd2
MD5 hash:
2567002a76333b43d43e12f0a0fa5a04
SHA1 hash:
a210ef940e69f26ccf2217b9c0765c69016c479f
Link:
https://www.unpac.me/results/936a3e8c-2e1b-4cde-a9e8-54cb5b5cf2dd/
SH256 hash:
a54235256f7fb0483b1ef98dcff7c4311bb32373a848883e21eaa338b8b24598
MD5 hash:
00793c5131e99d6be4b75422c835226f
SHA1 hash:
174f84a36c2ba35be2238f7ac3653f96dfb7e797
Link:
https://www.unpac.me/results/936a3e8c-2e1b-4cde-a9e8-54cb5b5cf2dd/
SH256 hash:
680d5f98cd089a73e5902b3ff4e91511430c2a2c07cde11b44882fbcde670395
MD5 hash:
d3cda706accb4aa2a3ad289319105464
SHA1 hash:
8ea129a4bfb6df364b745dd6bcfffc60970075e3
Link:
https://www.unpac.me/results/936a3e8c-2e1b-4cde-a9e8-54cb5b5cf2dd/
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/680d5f98cd089a73e5902b3ff4e91511430c2a2c07cde11b44882fbcde670395

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

rar 6bcd874689d3a87ce744fb41d68ec64e7e8f65312b6c71d8dcc312780bca4800

Formbook

Executable exe 680d5f98cd089a73e5902b3ff4e91511430c2a2c07cde11b44882fbcde670395

(this sample)

  
Dropped by
MD5 4c9d812b6add3a8794aa98891a25b2b9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133533/
  
Dropped by
SHA256 6bcd874689d3a87ce744fb41d68ec64e7e8f65312b6c71d8dcc312780bca4800

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