MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21. 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 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21
SHA3-384 hash: cd2bb2c0d1c65ffc51eae154a9837887de3f1b8896ea6656e80073605d24a18527f8967c609be7ad821b4d4c6b8757b6
SHA1 hash: 811903a5ffd1b5b69482fc902694054663d5218c
MD5 hash: 2394c3a12dffc09aede0b0269eaf217b
humanhash: uncle-echo-hot-timing
File name:2394c3a12dffc09aede0b0269eaf217b
Download: download sample
Signature Formbook
Create hunting rule
File size:326'702 bytes
First seen:2021-12-05 17:14:08 UTC
Last seen:2021-12-05 18:28:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiLxxFbKAWlCuf+rIeUg4M1OavvtkUo+xxbEjep6kRIwQIB5ETgCopSCD8:BOY8ehOYvt6SCep6IcLgCopfI
Threatray 12'318 similar samples on MalwareBazaar
TLSH T12764236777C0697BDA420D324EB29FFBFBB79A9811211C93C7E00E471EF0A4A1199391
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pharmaceutals Order egypt supplies.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-05 16:42:06 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/83c39740-07d6-4a6e-afa6-f9f08e02e564

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/211507/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.1800.20736.1378.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/943/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61acf39947ed217c01328150/reports/053c90a7-d13b-4c16-80b8-302f8d475c0f/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e6f364c1-3e0f-48e3-af49-015bb7f3fc7d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/901765
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 domain / URL
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 534239 Sample: cv51lA9E2E Startdate: 05/12/2021 Architecture: WINDOWS Score: 100 33 dfff2dc68b7e9f481fffe2ec04d47102.clo.footprintdns.com 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 3 other signatures 2->41 11 cv51lA9E2E.exe 17 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\csksnlmbjt.dll, PE32 11->31 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 cv51lA9E2E.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 help.exe 18->20         started        signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 2 153 20->25         started        27 explorer.exe 1 151 20->27         started        process12 process13 29 conhost.exe 23->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-12-05 17:15:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34
Formbook
5869ff09468b1aafa73c0a8fa15c953995495aa7144114003fdc4743860639ad
Formbook
5e39768c8fd6bb7644322000828b9bd1c34d25c3be1a9a712761ba834910fcf0
Formbook
727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5
Formbook
78bf20a97887ceb674ba6bbda37884a412be37dd320416d2222142c12f7de517
Formbook
7fb7251cf348d413059da050f27e4cd9a4f9ca833bbb11f554e19612d060a691
Formbook
a5a0ba62139ec5bfce38972515fe03f1e8d7aafeae6a1a8a555e3b09abe766df
Formbook
+ 12'308 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Link:
https://tria.ge/reports/211205-vsjxnafee9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.drmichaelirvine.com/yrcy/
Unpacked files
SH256 hash:
b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21
MD5 hash:
2394c3a12dffc09aede0b0269eaf217b
SHA1 hash:
811903a5ffd1b5b69482fc902694054663d5218c
Link:
https://www.unpac.me/results/6a5204c5-df7c-4239-833c-966f02873f96/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b3cee8c368d6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/211507/
  
URLhaus
https://urlhaus.abuse.ch/url/1856066/

Comments


Avatar
zbet commented on 2021-12-05 17:14:10 UTC

url : hxxp://103.167.92.57/ytwdkn_w2/vbc.exe