MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cad578cb66b96125accf74e291decfbfa2026857ec0efcae51a25ba4cc185ddc. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: cad578cb66b96125accf74e291decfbfa2026857ec0efcae51a25ba4cc185ddc
SHA3-384 hash: 3c987b7f06e5ffa142903b192af246fd1217440ffba4ce7a3ca655445fefbfa40e32f1b5a0d2f09fe8457f87f4be5c1c
SHA1 hash: 9827079e34ba706c893b965b29d91747ba02cbf3
MD5 hash: f5fdeb1467167ed657a13b4260c4f0b8
humanhash: earth-skylark-dakota-happy
File name:Invoice.exe
Download: download sample
Signature Formbook
File size:525'810 bytes
First seen:2021-04-06 13:04:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9c523d8653da5455667e3f82274f2f88 (6 x Formbook, 2 x SnakeKeylogger, 1 x AZORult)
ssdeep 6144:ubOco27YTJKdox7dUA6/ugU0Qi9VMCVwtJNdPaGAPEteh/FDyDY:QYssd0/p9mddP/6Ewh/FDy8
Threatray 4'613 similar samples on MalwareBazaar
TLSH D1B4A7D1F190889AED6B09F1BD2BA93024D7BE9C54A4410C569DBB1B76F3342309FE1E
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-04-06 13:07:40 UTC
Tags:
installer trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
UNKNOWN
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 382710 Sample: Invoice.exe Startdate: 06/04/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 5 other signatures 2->42 10 Invoice.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\...\9z0t4qadsajhkz4.dll, PE32 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Maps a DLL or memory area into another process 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Contains functionality to prevent local Windows debugging 10->58 14 Invoice.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.hphometeam.com 206.191.140.42, 49767, 80 WEBHOST-ASN1US United States 17->30 32 multacolors.com 184.168.131.241, 49752, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 svchost.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2021-04-06 12:14:42 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 29 (65.52%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.boldoval.com/ch65/
Unpacked files
SH256 hash:
b6c5ad6528da46ee8db88c95ccffd6ebd9ec7acdb9623b4e2fa7e7ab84272110
MD5 hash:
1d18287b8a46116cd000decb67a0879b
SHA1 hash:
5200bc458678a4511a3a95958ab0a609739323ce
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
b099dffb31e94e4d8e610b3804b7e86ed41fbbe8e7df051d9ed02d4b12c8dac6
MD5 hash:
c79917b0d2b94377029a2b8276b9ca7e
SHA1 hash:
a6272bbbe81f72e5321c63558139b16a73dc4aef
SH256 hash:
cad578cb66b96125accf74e291decfbfa2026857ec0efcae51a25ba4cc185ddc
MD5 hash:
f5fdeb1467167ed657a13b4260c4f0b8
SHA1 hash:
9827079e34ba706c893b965b29d91747ba02cbf3
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_nymaim_g0
Author:mak, msm, CERT.pl

File information


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

  
Delivery method
Other

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