MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 710cf8f0a914a5baf6d61323ec2f33babc05c1374f4ae3fa8a2b04099c8f1b7f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 710cf8f0a914a5baf6d61323ec2f33babc05c1374f4ae3fa8a2b04099c8f1b7f
SHA3-384 hash: 627c71b19f5324e571565d71f00ce5082f88509fd12aca6f7f66d0eb9dbc9ed70d1f8d26b632df9c7ec06da0eb0b43b5
SHA1 hash: 0a40280f0cc8569e6b89c15a96771de4da84db8c
MD5 hash: fc76a9243962ea2beab67fc25b8792bb
humanhash: sweet-harry-georgia-tennessee
File name:inquiry.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'020'416 bytes
First seen:2022-03-23 12:06:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:5ZyCd6xzJPlOz14yyysNjARjM18sDkM6q+tef:5UCd6xVi4ycjApMr56N0
Threatray 14'425 similar samples on MalwareBazaar
TLSH T12C25239827D8C714E5ED6FB8D83446C203B99DAB9512EB5D9CD53079EC037908E20EBB
File icon (PE):PE icon
dhash icon dadadadaa6a6a6a6 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/256442/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system 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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/963391
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 595872 Sample: inquiry.scr Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 10 inquiry.exe 3 2->10         started        14 explorer.exe 66 2->14         started        process3 file4 29 C:\Users\user\AppData\...\inquiry.exe.log, ASCII 10->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 16 inquiry.exe 10->16         started        signatures5 process6 signatures7 31 Modifies the context of a thread in another process (thread injection) 16->31 33 Maps a DLL or memory area into another process 16->33 35 Sample uses process hollowing technique 16->35 37 Queues an APC in another process (thread injection) 16->37 19 explorer.exe 16->19 injected process8 signatures9 47 Uses ipconfig to lookup or modify the Windows network settings 19->47 22 ipconfig.exe 19->22         started        process10 signatures11 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/710cf8f0a914a5baf6d61323ec2f33babc05c1374f4ae3fa8a2b04099c8f1b7f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-23 12:07:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oegpr4fjcss3v5wwcmr6ylztxk6alqjxj5foh6ukfmcathepdn7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c81b04d9509cf29e05309b84972fa9bf47b34bdf64032ade464fcc55a54a1b8
Formbook
76c2944d78f0dac034e5a7cc6a916c30e66a88aaaaf3481b9af71db7bcdf9ca6
Formbook
9621e6459dc138fb11bc279b6583fc68eed0db7b284e198c74dda8385db8ce0d
Formbook
bc91c7988916b582c31a55f44cbdebcfae416c3f645bf8826485fc358e0ac0e7
Formbook
c6a3fd36f07d97fb287fbac946ae8b8d12d1fcde36fa87395de79d59f0c3fb77
Formbook
dcec29b67b720887c02915f7eb210942445a64e450f03bf12ca03ed345bc300a
Formbook
e4d0ebfd2e92b3848aa302ff71782e2bb7b55b1340f340c89e263e9d1a2a6987
Formbook
f2d58fc68302fb9cfc6ba93ca4f01f17c8baf7fef4cdfef59638e61fa4f54ad4
Formbook
+ 14'415 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s16r rat spyware stealer trojan
Link:
https://tria.ge/reports/220323-pacgzadfb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
dba88743bd48da8979345d7fb414a23e693ea124f9bad75c18c9496fbbf4942c
MD5 hash:
06ee9717e415654f0daf2ac073e175a5
SHA1 hash:
774f649c6aaa48fb6a1a676902b821bc16a09601
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c9923008-acda-47ab-a168-43e78a7493f5/
Parent samples :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 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
Link:
https://www.unpac.me/results/c9923008-acda-47ab-a168-43e78a7493f5/
SH256 hash:
4d40ffc65245cba348730831da6c60b9cb62a07711347a4c6b10e8ca45f0a997
MD5 hash:
cc04ff54c5857f396e461a8385bdf19f
SHA1 hash:
7215149c42fd00168409edb3ae7fe09efeda55c8
Link:
https://www.unpac.me/results/c9923008-acda-47ab-a168-43e78a7493f5/
SH256 hash:
a417c24aa7fc0b8f8815ec8c70eb196f8c40648631243c1d052adc2d10523915
MD5 hash:
594aa0d40a7279278035add98240b928
SHA1 hash:
12ac03428a951cfe3f9619265032c2eaf7ff4230
Link:
https://www.unpac.me/results/c9923008-acda-47ab-a168-43e78a7493f5/
SH256 hash:
710cf8f0a914a5baf6d61323ec2f33babc05c1374f4ae3fa8a2b04099c8f1b7f
MD5 hash:
fc76a9243962ea2beab67fc25b8792bb
SHA1 hash:
0a40280f0cc8569e6b89c15a96771de4da84db8c
Link:
https://www.unpac.me/results/c9923008-acda-47ab-a168-43e78a7493f5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/710cf8f0a914a5baf6d61323ec2f33babc05c1374f4ae3fa8a2b04099c8f1b7f

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 710cf8f0a914a5baf6d61323ec2f33babc05c1374f4ae3fa8a2b04099c8f1b7f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/256442/

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