MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6aa8482b41eef3ea3df88b6fc0a2114c1bcfe883bd6309c9c53796543ab8f4f9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6aa8482b41eef3ea3df88b6fc0a2114c1bcfe883bd6309c9c53796543ab8f4f9
SHA3-384 hash: 8dfaf8b86e5b9ed28f3f21db63fb0cb11595e1cf912a9df6fe5506938486e0582cc6d3720afb0b21555ace278810ad6d
SHA1 hash: fa89604f843da388c6727b6f06f4a233e474f716
MD5 hash: c0d75ec46a189dc75621d27b33b7990b
humanhash: blossom-california-october-salami
File name:Invoice number FV0062022028.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:937'472 bytes
First seen:2021-07-08 08:37:31 UTC
Last seen:Never
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:XPcCh0lBOfxWXm0ZwpjhQ46h6/9zhzCTV2riM9c4bWYeoJHGgAS8tshV8nhDBoZp:91pPh8c8FzOi5/hFfVjMjpXgGuk6Ne
Threatray 5'868 similar samples on MalwareBazaar
TLSH T10B15F6BD313176DEDCABC2298B781C6CAF95717B830B622790172599898CE87DF144B3
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice number FV0062022028.exe
Verdict:
Malicious activity
Analysis date:
2021-07-08 08:46:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e382899b-98cc-4769-ac2f-e517624b4d50

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/170372/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.908-1.UNOFFICIAL
Create hunting rule

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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/967dc5ca-47a9-4b04-8623-0aa9a3b5c052
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/813331
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 445742 Sample: Invoice number FV0062022028.exe Startdate: 08/07/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 10 Invoice number FV0062022028.exe 3 2->10         started        process3 file4 29 C:\...\Invoice number FV0062022028.exe.log, ASCII 10->29 dropped 13 Invoice number FV0062022028.exe 10->13         started        16 Invoice number FV0062022028.exe 10->16         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 18 explorer.exe 13->18 injected process7 dnsIp8 31 databask.com 23.94.150.194, 49725, 80 AS-COLOCROSSINGUS United States 18->31 33 www.howdoivote.info 18->33 35 2 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 cscript.exe 18->22         started        signatures9 process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 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/6aa8482b41eef3ea3df88b6fc0a2114c1bcfe883bd6309c9c53796543ab8f4f9/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-07-08 07:48:41 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nkueqk2b53z6uppyrnx4biqrjqn472edxvrqtsofg6lfiovy6t4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
25644ff35da89545c702b633182c4ff1f649dd64c9c8249be9afe7090359d87d
Formbook
5f31b8fc53f4628aa678d164b995732bea8affd218185d69f1ad86e65bb7757a
Formbook
8cbda95915fcb9696e4e221cdb72f9dc9175af27e348f05bede3f988aee9070c
Formbook
9f988a3199e626f789a99578c1c69f0ccd3e13d7c0d1033c01270cabf7b61de4
Formbook
a01cc1fb91c9f7d7490e45a84b861e7188a0f3d97769710af895ee843a19699c
Formbook
b35de004189f271fe754dd614e5fbbc299425f5aca9ebf1f935bf26696964853
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
b8ad131dedee5c7f3164a25f907a69c6f90632f901ecf50a61aa7e31b4c8334e
Formbook
c7b835a38f13c18350ba953a8f57f8c90a237804c377ba32d6fd212daa08e98c
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
+ 5'858 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/210708-dbbpxzwe62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.calilombe.com/gg9g/
Unpacked files
SH256 hash:
4273405463cbdca9b2b3b20a4c030ada2912103a2f3425cb497d3b7cfaa23330
MD5 hash:
4bc18851d01dea54cdff74b809ba8b7e
SHA1 hash:
0f42ef5960ca48c69a936e91a67a6c0c58e4c4da
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/03fa19c9-a004-489a-a70c-8e498a1837fa/
Parent samples :
6aa8482b41eef3ea3df88b6fc0a2114c1bcfe883bd6309c9c53796543ab8f4f9
c41601bbc1ad5ed328f42d9b63fa99cc372359e0d7cbf970026646a3e2b924bb
SH256 hash:
ab18fd76135a59ad42dd2d2d0b2d012a6937e1d11220dde950c0d8d1ac6f7a8a
MD5 hash:
ed7310598217ecfbfd053f6c4909aa46
SHA1 hash:
58b8e625e447453ae02b0c456b36fe43881705b8
Link:
https://www.unpac.me/results/03fa19c9-a004-489a-a70c-8e498a1837fa/
SH256 hash:
5209992fd1f96cd1959efb5e1afa71f5c9ae2ab4430e258fe9d0ec915098d110
MD5 hash:
257ca10e5cbb2f8bdf0ae6f3e900e11e
SHA1 hash:
9d25ee80dbe3bbce5ab4479912c5e21b19b6aeec
Link:
https://www.unpac.me/results/03fa19c9-a004-489a-a70c-8e498a1837fa/
SH256 hash:
6aa8482b41eef3ea3df88b6fc0a2114c1bcfe883bd6309c9c53796543ab8f4f9
MD5 hash:
c0d75ec46a189dc75621d27b33b7990b
SHA1 hash:
fa89604f843da388c6727b6f06f4a233e474f716
Link:
https://www.unpac.me/results/03fa19c9-a004-489a-a70c-8e498a1837fa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/6aa8482b41eef3ea3df88b6fc0a2114c1bcfe883bd6309c9c53796543ab8f4f9

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_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 6aa8482b41eef3ea3df88b6fc0a2114c1bcfe883bd6309c9c53796543ab8f4f9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/170372/

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