MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 914712c702b94abb26e0d1edbd54712d62a2fdb6cfbc9bd41ac8bcb84296358f. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 914712c702b94abb26e0d1edbd54712d62a2fdb6cfbc9bd41ac8bcb84296358f
SHA3-384 hash: b18f64244c423f226a5a8cb90edee04e859f240b1dd994b69c5ba03a3fdeae0828cc3172755269bf5562c03425bab076
SHA1 hash: 959daba0ae44fc52eb8850822fb98847adac8df4
MD5 hash: 2b3c806b1b7f396caaa1d0fee5b4ac6b
humanhash: floor-freddie-quiet-red
File name:Payment Advice.exe
Download: download sample
Signature Formbook
File size:487'424 bytes
First seen:2020-10-09 06:15:04 UTC
Last seen:2020-10-09 07:08:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:vSi5Za+LXdkcmt21Ru6dT5WRYF7qVEArmCMguyLg4S8kfkwmv81Mi:vSivlLmcmILdT5WCB0EYT2981v4M
Threatray 3'630 similar samples on MalwareBazaar
TLSH F1A4ADB3B982587DCD698B710CB541F0F67B26CE3F93490E72AE530C0E15A57631A26E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail.pnoc.com.ph
Sending IP: 122.53.178.242
From: Glenda G. Martinez <ggmartinez@pnoc.com.ph>
Subject: New Order & Inquiry
Attachment: Payment Advice.img (contains "Payment Advice.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 295605 Sample: Payment Advice.exe Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected FormBook 2->38 40 6 other signatures 2->40 10 Payment Advice.exe 8 2->10         started        process3 file4 26 C:\Users\user\AppData\...\InstallUtil.exe, PE32 10->26 dropped 28 C:\Users\user\...\Payment Advice.exe.log, ASCII 10->28 dropped 30 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->30 dropped 32 C:\Users\user\AppData\Local\Temp\...\D.dll, PE32 10->32 dropped 48 Writes to foreign memory regions 10->48 50 Allocates memory in foreign processes 10->50 52 Injects a PE file into a foreign processes 10->52 14 InstallUtil.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 17 explorer.exe 14->17 injected process8 process9 19 colorcpl.exe 17->19         started        signatures10 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-08 20:02:28 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.vjbe.icu/ye2/
Unpacked files
SH256 hash:
914712c702b94abb26e0d1edbd54712d62a2fdb6cfbc9bd41ac8bcb84296358f
MD5 hash:
2b3c806b1b7f396caaa1d0fee5b4ac6b
SHA1 hash:
959daba0ae44fc52eb8850822fb98847adac8df4
SH256 hash:
30140c3bf5874d7d184b15513016f9de1524ae95a5efe9a1cb15bad6d6936d64
MD5 hash:
03847d82611bc6461cbb99ca768828f1
SHA1 hash:
39859a3fd3326520dfd1ed10456bb227933a8871
SH256 hash:
89aa143c91d8cace96581d1ad1e4a67060238498168d9e412227019a838574a3
MD5 hash:
beadcc53a3524ce380a7b07b4da47d57
SHA1 hash:
7014b2381ef1ca0f0c8f1b0884315260dc73932f
SH256 hash:
107a05e8af1cc369ecee89a96c74b22853e41a4317da4104a935aff540f00bc6
MD5 hash:
8cf053299816b322c2df3cc6e81f3778
SHA1 hash:
1928220bce46db32735df8531089ef7c5bfaac90
Detections:
win_formbook_g0 win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

Formbook

Executable exe 914712c702b94abb26e0d1edbd54712d62a2fdb6cfbc9bd41ac8bcb84296358f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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