MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f782d415e7975acdf521b8a92ceb1e1f5c51c030dfdfdf5d798ad381003ed1bf. 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 1 File information Comments
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SHA256 hash: f782d415e7975acdf521b8a92ceb1e1f5c51c030dfdfdf5d798ad381003ed1bf
SHA3-384 hash: 58ed211d8dbb2ed8c10af412f688d60484b5f274f023a2d6364cf7b1e244e0974b266fb95dde95f1d765b069bf31e7b1
SHA1 hash: d15baa1899f918657fed2e7dec6ce26e93cfb610
MD5 hash: a8a2ee77b4aed98f2dd2c39ee9925077
humanhash: georgia-alaska-magazine-washington
File name:INVOICE-OVERDUE.jpg.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'029'632 bytes
First seen:2021-03-16 10:11:07 UTC
Last seen:2021-03-16 11:42:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:px7wDKJJUn6d9TVC+yGiyFTEC4V2MXw+gqSMEULT/lACOcaUT1:p7JU6bVbyGECQg+BSMEMTyCFaUR
Threatray 4'196 similar samples on MalwareBazaar
TLSH 98258B22E6A4AB74F03D73751432133083FDAD069625E6BE7D8831DA49B56C146F3EB2
Reporter cocaman
Tags:FormBook INVOICE scr

Intelligence

File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE-OVERDUE.jpg.scr
Verdict:
Malicious activity
Analysis date:
2021-03-16 10:12:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dbeff51f-66c6-456a-9c52-b5a78f014a8a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Bulz.300125.6929.8611.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/37052551-76fd-4c11-a5dd-26e89ce6f29d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/640542
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Sigma detected: Scheduled temp file as task from temp location
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 369245 Sample: INVOICE-OVERDUE.jpg.scr Startdate: 16/03/2021 Architecture: WINDOWS Score: 100 39 www.sondein.com 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 12 other signatures 2->53 11 INVOICE-OVERDUE.jpg.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\DciSJcyumQ.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\Temp\tmpDA0.tmp, XML 11->35 dropped 37 C:\Users\user\...\INVOICE-OVERDUE.jpg.exe.log, ASCII 11->37 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 INVOICE-OVERDUE.jpg.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 germiblock.com 160.153.137.170, 49748, 80 GODADDY-AMSDE United States 20->41 43 www.gameshowsatschool.com 66.96.162.140, 49741, 80 BIZLAND-SDUS United States 20->43 45 2 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 mstsc.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
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Link:
https://mwdb.cert.pl/sample/f782d415e7975acdf521b8a92ceb1e1f5c51c030dfdfdf5d798ad381003ed1bf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-03-16 08:47:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
22 of 47 (46.81%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=66bnifphs5nm35jbxcusz2y6d5ofdqbq37p56xlzrljycab62g7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04c950e9fb1cf6ff2de10fd17f04191f8e938189766482ef856efa2581df8dbb
Formbook
064cad19bee4580a82bc4ee3558e8510100ebba8da83720749f553cc411d5cb3
Formbook
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
4ce173da12efcf686dd4a7fec6678fc6c0e2cae352a3dd327bdfa478c18589e4
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
92f656d44d38fbc5e7964e36634bf95d18e157228624d1b38ea933633579ddc4
Formbook
af05a9b5f7ed6483d7f10ea0e521e0a15fd90d224ca04a9665991ab630a54991
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'186 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210316-avxvmz5cwn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.the-techs.info/chue/
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/8a3730c5-fbe9-4cbc-8708-95909ce7d678/
SH256 hash:
f782d415e7975acdf521b8a92ceb1e1f5c51c030dfdfdf5d798ad381003ed1bf
MD5 hash:
a8a2ee77b4aed98f2dd2c39ee9925077
SHA1 hash:
d15baa1899f918657fed2e7dec6ce26e93cfb610
Link:
https://www.unpac.me/results/8a3730c5-fbe9-4cbc-8708-95909ce7d678/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Starter
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f782d415e7975acdf521b8a92ceb1e1f5c51c030dfdfdf5d798ad381003ed1bf

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 fbc449086b9a2bdb18ca14fdffa5f062029f5c914f96820b8fc02422c0c45b86

Formbook

Executable exe f782d415e7975acdf521b8a92ceb1e1f5c51c030dfdfdf5d798ad381003ed1bf

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fbc449086b9a2bdb18ca14fdffa5f062029f5c914f96820b8fc02422c0c45b86

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