MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 870405a56054ca7d9b33c2b68d92be5db961bf51d8607f5b559404552229eb05. 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 3 File information Comments
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SHA256 hash: 870405a56054ca7d9b33c2b68d92be5db961bf51d8607f5b559404552229eb05
SHA3-384 hash: 3382cd839a3dd3119babc6e0fe4b1342a8917148f1cc3dac3b655a11c392afac701f219abb4a5e7ae44d6e7e974531c5
SHA1 hash: 783762be0323477590dc4afb4a88949b0392d002
MD5 hash: e67381659700d1720711c4d9b9061bd9
humanhash: nuts-cardinal-oxygen-lake
File name:DN-32T56U8I90.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:271'151 bytes
First seen:2021-09-23 11:28:07 UTC
Last seen:2021-09-23 12:55:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:F8LxBscR+YtontRPKLEKAGwT5+7MvueHrRLrzmUZf:/c0Yt4LMEKVAcYvDC2f
Threatray 9'615 similar samples on MalwareBazaar
TLSH T17144120367E6988BE6965A750BB7B630F6EB4B08614ADD478F840F3F2C15147AB0E1CD
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DN-32T56U8I90.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 11:29:50 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/04be2917-f3b0-4ac4-86e6-a6453d17c8fc

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/190735/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37633143.8486.22101.UNOFFICIAL
Create hunting rule

Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2cbebc3c-b64f-4529-9ebd-912084e57005
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856779
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for dropped file
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 dnsIp2 2 Behavior Graph ID: 489211 Sample: DN-32T56U8I90.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 31 www.exegen.online 2->31 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 7 other signatures 2->45 11 DN-32T56U8I90.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\...\cata.dll, PE32 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 DN-32T56U8I90.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.nurhalilah.xyz 172.67.166.108, 49779, 80 CLOUDFLARENETUS United States 18->33 35 www.mremvd.icu 155.159.108.142, 49774, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 18->35 37 8 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/870405a56054ca7d9b33c2b68d92be5db961bf51d8607f5b559404552229eb05/
Threat name:
Win32.Trojan.LokiBot
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Status:
Malicious
First seen:
2021-09-23 10:46:41 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q4caljlaktfh3gztyk3i3ev6lw4wdp2r3bqh6w2vsqcfkirj5mcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
26c752e870c67846120eefa974dabdb9ee5b0efd3ddcd45f507aeaa638db2572
Formbook
39ea098dc37c12477cdfde92cb07cf2840d907c262c582a2320ade782e01bbcf
Formbook
4b9ec9143ae2471c8cf540f5e3815c4ca4bb5e073d5c45e6bd934cc0350e8546
Formbook
5ffbe2b24599383732373e34a80cd2cf864d806595d80dfc1e1ae3af83065780
Formbook
9998ff1d42d8af0fcc166bea36887eebf182e91d1816853d9f80e6cbbbaf9145
Formbook
a2ea418fe212c56fabd58c09d12b825f113f613f271c52ee8cca5d70750ea12d
Formbook
b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca
Formbook
bf6ae876108b5fec915d91bd36d3ccd22c8593be29412521c32a4b3f11a757f0
Formbook
e4f6934778af90c9743606ba732f32121601a3b227f5e881eba31595e67a8a05
Formbook
f03d8c2b07e6437f3a9ea53bb967367a2302705084f4d820e01ed3fb14205e46
Formbook
+ 9'605 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:r95e loader rat
Link:
https://tria.ge/reports/210923-nlkr2saca5/
Behaviour
Modifies registry class
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
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.bofight.store/r95e/
Unpacked files
SH256 hash:
666308befefcd33515620001aa326d96d0826ec78ea5fb0869b4728021033978
MD5 hash:
d30a236eb75a02092150f52eaa84f6cd
SHA1 hash:
586b27af948bdb5b1c4a8482eda302bd30361cec
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c4ac8f9c-899c-4b0c-8319-fdb37845049f/
SH256 hash:
22ac15f6f5ed261c6c514ac38de0fa5b4b4dc8831045169a867d61756be31d79
MD5 hash:
88bfd00549cccac9eecf13e5ea9177fb
SHA1 hash:
4310a78e5241b5de0b672a268a7d93d5391b22f1
Link:
https://www.unpac.me/results/c4ac8f9c-899c-4b0c-8319-fdb37845049f/
SH256 hash:
870405a56054ca7d9b33c2b68d92be5db961bf51d8607f5b559404552229eb05
MD5 hash:
e67381659700d1720711c4d9b9061bd9
SHA1 hash:
783762be0323477590dc4afb4a88949b0392d002
Link:
https://www.unpac.me/results/c4ac8f9c-899c-4b0c-8319-fdb37845049f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/870405a56054ca7d9b33c2b68d92be5db961bf51d8607f5b559404552229eb05

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/190735/

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