MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fdf420ae3c789b4b9a9ba864f632f714415a9e449af50c1b9abc6f9ed4b7df4. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 6fdf420ae3c789b4b9a9ba864f632f714415a9e449af50c1b9abc6f9ed4b7df4
SHA3-384 hash: 2fa7ee78df6e459f1ceaf525c5fd74576a5bb1e245e3844117d2fdc1ac6e5f3f12e203fb0d874e21c0cd4c0e8c0ed383
SHA1 hash: dc98328e07e8ef6d43634caa76395c79e6aa3842
MD5 hash: 3f7f2bc94469557c5e80217b2f1481d6
humanhash: triple-hot-johnny-alanine
File name:njKIoovQpAFS0L3.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:515'584 bytes
First seen:2021-11-30 15:21:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:KpjHuLZaHgSMz/hoHzq2dcgOwDIODGj0JO/Yww:JLZaHWz63+sJgYw
Threatray 12'148 similar samples on MalwareBazaar
TLSH T1C0B4012D63A80615DABF57BCF07150149B7DA217A487E74AB24F18DD2FE3383D90229B
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
njKIoovQpAFS0L3.exe
Verdict:
Malicious activity
Analysis date:
2021-11-30 15:26:59 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/957cf067-24e1-4deb-a5c1-7e21655b9e01

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/209976/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/61a64160bbfd2af97cbcd2cf/reports/dbcfdf7b-f4a9-484f-8503-95ca8c6ca911/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/27df4f0a-effa-4998-b59f-4b6c3432e2a4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/898807
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
Performs DNS queries to domains with low reputation
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 531281 Sample: njKIoovQpAFS0L3.exe Startdate: 30/11/2021 Architecture: WINDOWS Score: 100 31 www.serfoe.com 2->31 33 serfoe.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 njKIoovQpAFS0L3.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\njKIoovQpAFS0L3.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 njKIoovQpAFS0L3.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 greenwoodtownhomes.com 15.197.142.173, 49809, 80 TANDEMUS United States 18->35 37 www.freesteamaccount.com 35.215.142.75, 49793, 80 GOOGLE-2US United States 18->37 39 9 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 msdt.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6fdf420ae3c789b4b9a9ba864f632f714415a9e449af50c1b9abc6f9ed4b7df4/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-11-30 11:07:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
12 of 26 (46.15%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n7puecxdy6e3jonjxkde6yzpofcblkpejgxvbqnzvpdpt3klpx2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2cc70aab4d932d3dfce1498801d6838e967e4ddebe3a06372e8ed2e7f86792f2
Formbook
47e997e572407a3a805deaa7e7bca8d20990f23901c7199f1add2e550763dbf5
Formbook
4abb8e36aa5fded1bf28926b9e2b079367504d66aff162dedb480a1f90b71517
Formbook
5d5aa4f1afaa9dd98bc1317f5b8e190cf21130d465da575fac9d4fbc6b3fb3af
Formbook
ad7117e7b38bd79d672590054fda19c333f8595c42f5b82ab237781b305fb2f8
Formbook
b3abc09be3775f75fe01c084e3024371dcf7bba8b91e97d5ecf35862f9812ee2
Formbook
c0064ec7925f6ba2b202bac90707efb73e2c843ad4c946a12fdf3c49be910fbc
Formbook
e7cabf681ce8989913c4c78c8f539a791c852e0e637f359d2a399b91dc676506
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
+ 12'138 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:qwg3 loader rat suricata
Link:
https://tria.ge/reports/211130-srbtjsfcgr/
Behaviour
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.nohohon-news.xyz/qwg3/
Unpacked files
SH256 hash:
3053498e1337c11dcdb66e870d27115d7a4ded05a0ae963b6a165aa4b5902c12
MD5 hash:
eaf563b9887617550383fa5ebc560afe
SHA1 hash:
0c696437e665f43509d512e0af14e63137b984ab
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9ec4108a-0024-401c-9800-2d17627043a8/
Parent samples :
f260c938c522ab3b120b8145986a32b76aea1a29e1a93d234517f684f403118c
6fdf420ae3c789b4b9a9ba864f632f714415a9e449af50c1b9abc6f9ed4b7df4
b69b083b0c8269eff171c000b1aa7de0f3418dbc4d61e6d245168f484b14ccdb
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
Link:
https://www.unpac.me/results/9ec4108a-0024-401c-9800-2d17627043a8/
SH256 hash:
f346ec7c3bfac353c9702927750afcff877ea2061ffd102cde936d60773c8f0f
MD5 hash:
c5ff677551103fc6f990d30ddde56828
SHA1 hash:
5a641eb0ae294fde1998bf1bd956790d5e124cfb
Link:
https://www.unpac.me/results/9ec4108a-0024-401c-9800-2d17627043a8/
SH256 hash:
6fdf420ae3c789b4b9a9ba864f632f714415a9e449af50c1b9abc6f9ed4b7df4
MD5 hash:
3f7f2bc94469557c5e80217b2f1481d6
SHA1 hash:
dc98328e07e8ef6d43634caa76395c79e6aa3842
Link:
https://www.unpac.me/results/9ec4108a-0024-401c-9800-2d17627043a8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6fdf420ae3c7/report/overview.html
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/6fdf420ae3c789b4b9a9ba864f632f714415a9e449af50c1b9abc6f9ed4b7df4

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.

Cape
Cape
https://www.capesandbox.com/analysis/209976/

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