MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c. 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: 36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c
SHA3-384 hash: 1995d38fdf9e0baf62991073ffd7a765d2606468a769f6747e816739092155f9892b8ef9110dc625085b05512bdc1ddb
SHA1 hash: f51b70a2117089a87b0daf6f179a3b492acf58f2
MD5 hash: 00e32d8a2cbd54e967bfc8f512086ecf
humanhash: idaho-hawaii-wisconsin-sierra
File name:scan files 15-9-21.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:569'344 bytes
First seen:2021-09-15 07:24:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:L9QzWHCM2K4C50eP5X3Ev1s9oQuaZMk7zI7h4UkLNr:ap3C50QU7pqMiZr
Threatray 9'289 similar samples on MalwareBazaar
TLSH T1E4C48B243BAB5019F072AA757AD7EDF2E51ABF622E02905B10D53F473623AC1CEC152D
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
scan files 15-9-21.exe
Verdict:
Malicious activity
Analysis date:
2021-09-15 07:27:03 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/e58fe0ef-dbb4-4eae-ab4c-e48fea7e9eaa

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/188026/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.7424.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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61751602db358dd15ed9242c/reports/6072edba-dc58-41fd-95e7-be6f2dbd4462/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/784eff67-d763-420e-92cf-29d2b66fb6e0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/851151
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
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 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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 483582 Sample: scan files 15-9-21.exe Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 31 www.getcenteredwithclay.com 2->31 33 www.actonetheatre.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 9 other signatures 2->47 11 scan files 15-9-21.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\scan files 15-9-21.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 scan files 15-9-21.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.nordiqueluxury.com 84.34.147.60, 49776, 80 TSF-IP-CORETeliaFinlandOyjEU Finland 18->35 37 www.singularity.institute 172.67.196.84, 49784, 80 CLOUDFLARENETUS United States 18->37 39 8 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 WWAHost.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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-15 04:41:55 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g3katnq2b5cwzm7fsmzy5pznwh5ohdvgiu4s3gadbpd6pihlti6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2239e9738b2618a22115aa25c1016a01ffabd0bfe9a405f3b87cfb5cd9f42458
Formbook
22ae731061f7359c7467be0f7a710013516ed356a79b2e23adec7c57a12624a2
Formbook
2642fecff2db22c3d6eaa889d838d52fbd765ad4a9a857aacb2e3ad6441f91c9
Formbook
6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e
Formbook
83fb913f2698b853cb1ef1d9bd54bf06c7bd660028f1440d3c080c02ab4b9f1e
Formbook
a352710790883442f580f87d70387649d03b7d1d6472d995ca4bdf96d88bbf50
Formbook
e94ab3e9bc6dfb0889e82075cbef674de3c160a8d4bbf9b3d596381bebf492af
Formbook
+ 9'279 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mej0 loader rat suricata
Link:
https://tria.ge/reports/210915-h8y1asdbdl/
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 UnmapMainImage
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.lifewithbriana.com/mej0/
Unpacked files
SH256 hash:
a828137f26efcaa656d7ff8b220aef97b33e32125eb36d6d62b964a83f13057b
MD5 hash:
ac8e94fe61f6dc8c33785c9a6fd474b8
SHA1 hash:
e3e1dcf21308ac20a1ed5f18a83d34479f7361d9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/88a1e767-7468-4863-aa0c-e838573e06c7/
Parent samples :
6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e
605f58fa5e5f09a4f869e6e14ebc5e537c6a9d31b8b106e08706068d1e587659
83fb913f2698b853cb1ef1d9bd54bf06c7bd660028f1440d3c080c02ab4b9f1e
e94ab3e9bc6dfb0889e82075cbef674de3c160a8d4bbf9b3d596381bebf492af
36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c
2693c8389ae1a86a3cdd7d300c501c0220768773cc4fb9397e54eb0f48dd1aa1
SH256 hash:
2933c8834bbda17a66254bdd4f2d4dd3029dd645eea04ee62e213d1104f896ee
MD5 hash:
1ecf6ef274ab33a8dffeeba2e3c3a37f
SHA1 hash:
f7eceb5c13e9535d76dadceb74118a81d5258bc5
Link:
https://www.unpac.me/results/88a1e767-7468-4863-aa0c-e838573e06c7/
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/88a1e767-7468-4863-aa0c-e838573e06c7/
SH256 hash:
36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c
MD5 hash:
00e32d8a2cbd54e967bfc8f512086ecf
SHA1 hash:
f51b70a2117089a87b0daf6f179a3b492acf58f2
Link:
https://www.unpac.me/results/88a1e767-7468-4863-aa0c-e838573e06c7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c

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.

Malspam

Formbook

Executable exe 36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/188026/

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