MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
SHA3-384 hash: 2a203da1ed0d88b73a9dfd053310ef51be70831fb6eb4e9363844b91a5f5bd69a024c9ea79c1ff72fa417aa666ef3acd
SHA1 hash: 9bb5ae115b2bf4a25a4ea1bd554077174426cc1e
MD5 hash: 6c7770c6574821f08f549ea79fe07eea
humanhash: solar-cola-lake-helium
File name:BYSM-207 SC TRIFTECH78574543957Baku.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:471'040 bytes
First seen:2021-10-05 13:52:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:9/6icID7bpnhSQ+3HwOcc0Whu8cYnYDKAqZ/NVsy09ujjb3RNU8Lt2E92iUYW+zu:YWzocc0Wdc2/AQ/71Z3RNtLt2E9UYhi
Threatray 9'986 similar samples on MalwareBazaar
TLSH T163A4C0A433AF5F45ED398FF4142C918243F5AC3751A9D36A4EC1B0EA2E62BB04E51B53
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://cdn.discordapp.com/attachments/892338550698303528/894832513875345428/BYSM-207_SC_TRIFTECH78574543957Baku7.7z
Verdict:
Malicious activity
Analysis date:
2021-10-05 08:29:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2e155c62-0787-4d7b-adbe-2a57f023357c

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/195085/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/615c58c0b95458900cdc7793/reports/8c8be4f0-9d5a-468a-91c0-3423f57fd95a/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/759ab252-5ace-4d1a-8d50-803363fad63a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/864890
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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 netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 497319 Sample: BYSM-207 SC TRIFTECH7857454... Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 35 www.trpgame.com 2->35 37 www.rusporn.xxx 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 11 BYSM-207 SC TRIFTECH78574543957Baku.exe 3 2->11         started        signatures3 process4 file5 33 BYSM-207 SC TRIFTE...4543957Baku.exe.log, ASCII 11->33 dropped 65 Injects a PE file into a foreign processes 11->65 15 BYSM-207 SC TRIFTECH78574543957Baku.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 39 aag-trading.com 173.254.28.157, 49822, 80 UNIFIEDLAYER-AS-1US United States 18->39 41 www.flexzapato.online 167.160.17.170, 49816, 80 SAYFANETTR Turkey 18->41 43 10 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Uses netsh to modify the Windows network and firewall settings 18->55 22 netsh.exe 18->22         started        25 autoconv.exe 18->25         started        27 autoconv.exe 18->27         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 29 cmd.exe 1 22->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 09:34:49 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ddzfu2kbwokhd2tiofpxvnft7fuzbaen5vitqbklsz3dc6paygpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
129d230573fdb00a681a7f0c507bc16d2efcd08c4408f544f1d7653162b2cd92
Formbook
3f5c235293cfdde26a725b19b3cbaefc44dae026b7dff9124002f42e564df18b
Formbook
672ca84f8680ab545196dd1f961b3f456ae6b4ff1e0629fab96ed0625f22bbd1
Formbook
909b2ca8fbea2b6c03ccf3d90e0416b12df094fcf02c47fbf59839a9ce105538
Formbook
aba852eff9b53848b266228241991403993f7769587712794eb5f406ce4c9a6c
Formbook
ae55ee08f18b57a38a47ed9bc161b7833e35c31b014e8579ae904a2d4d7c63e3
Formbook
c10f872ac7d56c5c8d5151eb8d5c3aba275f83bd55700c0dc38776a04b275175
Formbook
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
Formbook
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
Formbook
f836093baf3255830126881722dc2edd86fd615fc922f86d177b0ccb0e3d2941
Formbook
+ 9'976 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ni8b loader rat suricata
Link:
https://tria.ge/reports/211005-q6y7aaacak/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.nottryingdoing.com/ni8b/
Unpacked files
SH256 hash:
1300427fcb559f32317d6adde29c96a74d208208d2f7e3003026ecfeb80a4843
MD5 hash:
17b191df8e7eceb2db48be1568bfc56b
SHA1 hash:
b4c8963314ca384b4651d9ab5b63e6e0ca48e76f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e4553867-e80a-4fa1-a835-bc72da51b03b/
Parent samples :
909b2ca8fbea2b6c03ccf3d90e0416b12df094fcf02c47fbf59839a9ce105538
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
b499be4b6955eebcf4228039f67a65a38b322f0ca1d58d8071de9a428ced8720
SH256 hash:
46e7dd9c6f9687783e89b51deb44da8facf09ad4ded76d7ceafefbb09bdf50e1
MD5 hash:
e3d15e31b73bef9e17a61c82932d6c9b
SHA1 hash:
6de0cc60ae8ec4c0a8ce0450921199932d9e2cd9
Link:
https://www.unpac.me/results/e4553867-e80a-4fa1-a835-bc72da51b03b/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/e4553867-e80a-4fa1-a835-bc72da51b03b/
SH256 hash:
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
MD5 hash:
6c7770c6574821f08f549ea79fe07eea
SHA1 hash:
9bb5ae115b2bf4a25a4ea1bd554077174426cc1e
Link:
https://www.unpac.me/results/e4553867-e80a-4fa1-a835-bc72da51b03b/
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/18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e

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: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.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/195085/

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