MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cb102b621e23d84856b9b0f62876d6a465cda9e3147e662d635d5619bdfa3da. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5cb102b621e23d84856b9b0f62876d6a465cda9e3147e662d635d5619bdfa3da
SHA3-384 hash: 7776d47133b54db2fce1476fbeb8f31805ac29973b3b41b4eae44b5a2e13af60f216d967433da47773d993e74bd7d95c
SHA1 hash: 80aa8db25f3d3ca47363ad0a87d559210f673415
MD5 hash: fed9a9a6c99cda6ed6c737c3932fb62a
humanhash: cat-neptune-paris-jig
File name:fed9a9a6c99cda6ed6c737c3932fb62a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:311'986 bytes
First seen:2022-03-25 18:16:56 UTC
Last seen:2024-07-24 14:50:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiUiNol8ZIzRvXLRoMKcXK97X7i/lPGVImn9Lz6bHupBlo86fG65MJE:AYoUkvFF61+pyIU9Pk06fL5OE
Threatray 14'521 similar samples on MalwareBazaar
TLSH T1C564136F17E0537ACA981E72163B6F3AD3FBD18D150720C78B22AE189E32765CC54D98
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/257872/
Detection(s):
Win.Malware.Malwarex-9942324-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/623e07611f204239482b1226/reports/0d4dd5ba-4f42-4d98-ad1b-fcd8786a196b/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23025b8b-cd66-4f01-a89b-807d68347026
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/964850
Signature
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 dropped file
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 597332 Sample: El5ZccQIY3.exe Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 2 other signatures 2->47 11 El5ZccQIY3.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\aaisx.exe, PE32 11->31 dropped 14 aaisx.exe 11->14         started        process5 signatures6 55 Multi AV Scanner detection for dropped file 14->55 57 Tries to detect virtualization through RDTSC time measurements 14->57 17 aaisx.exe 14->17         started        process7 signatures8 33 Modifies the context of a thread in another process (thread injection) 17->33 35 Maps a DLL or memory area into another process 17->35 37 Sample uses process hollowing technique 17->37 39 Queues an APC in another process (thread injection) 17->39 20 explorer.exe 17->20 injected process9 process10 22 raserver.exe 20->22         started        signatures11 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        27 explorer.exe 2 180 22->27         started        process12 process13 29 conhost.exe 25->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5cb102b621e23d84856b9b0f62876d6a465cda9e3147e662d635d5619bdfa3da/
Threat name:
Win32.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2022-03-25 15:20:42 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lsyqfnrb4i6yjblltmhwfb3nnjdfzwu6gfd6mywwgxkwdg67upna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0da36b7f7e4b44b640ab5769532fdd7599032ca2b1d6b57807ba48ad1fa76780
Formbook
0fc662db75eaa85eb49edf6f71b68072802ce24b87cf3ef9c2eb30d76e988512
Formbook
2a4415721925c12ce8a80719697ffbda5daf88fe34804b0549bc5d5605790cdb
Formbook
38444024682d6ea391135d374ecd6f457bb01df512801e25fcbd2931afe58d92
Formbook
54d3a5ab9cf83b63a50a382b1f3fe4f2bdc03620744b9ecdee74723415fccd9d
Formbook
5f8d69976e4d3c9b6508cd376dcab4971a605d8d1122952ad604f7b48d2ef1e1
Formbook
9e6a92df11bb23b335d5bbf85731a1ea96f6c4038a24c2e4edb28e2169804c30
Formbook
af985554eebc4990f77fc7c337d7af4367c2e28acbb41386669e5fa3bb55fbcd
Formbook
da30dd86e912cbfcf0cb4306265cedf47604891dc868db7c59dd92d47ad32063
Formbook
dae8588b604d0728a1a1ecc77096197a34ed1b22ae7de69a53f39b59e6574ffd
Formbook
+ 14'511 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:grh2 loader rat
Link:
https://tria.ge/reports/220325-ww2sbabaf9/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
5cb102b621e23d84856b9b0f62876d6a465cda9e3147e662d635d5619bdfa3da
MD5 hash:
fed9a9a6c99cda6ed6c737c3932fb62a
SHA1 hash:
80aa8db25f3d3ca47363ad0a87d559210f673415
Link:
https://www.unpac.me/results/9f4c02bf-5606-48a5-9991-5c9111b8e273/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5cb102b621e2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/5cb102b621e23d84856b9b0f62876d6a465cda9e3147e662d635d5619bdfa3da

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: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.

Web download

Formbook

Executable exe 5cb102b621e23d84856b9b0f62876d6a465cda9e3147e662d635d5619bdfa3da

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2068273/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/257872/

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