MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be88b8e105148732011efec965b0c70c9adb6edde0ea1db2bfca2051e079f292. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be88b8e105148732011efec965b0c70c9adb6edde0ea1db2bfca2051e079f292
SHA3-384 hash: 28852fc700c5b53fa63222b63610f00472d0188af54ec5e0ac9d25e914f20346a231c34cddff5d97c2ea734d4c35c17d
SHA1 hash: d5149d5a3e6e4aa26d7d6a71b38d70692af9cde2
MD5 hash: 5f8f8e08669e510154136dce28f0630b
humanhash: snake-early-grey-yellow
File name:5f8f8e08669e510154136dce28f0630b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'146'368 bytes
First seen:2021-06-06 07:05:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:D1k50JTOVuXG7jvT7YxMHKVT98VbKfthZmjNuTABkzl2M7hW6d0M3NCPMjvLe:e0kVuX4DCrR96KVhOuTAQ26h70WrvLe
Threatray 5'700 similar samples on MalwareBazaar
TLSH EB358DF0F595D8A1C2C9C732CBCADC6C9BB559FA16438E1D19B8728C1F2379A8F49484
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5f8f8e08669e510154136dce28f0630b.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-06 07:12:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/efaf6afc-2296-4d60-b79d-b3fd29260a3e

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/164725/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.803.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/797668
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
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 domain / URL
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
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: 430064 Sample: 17jLieeOPx.exe Startdate: 06/06/2021 Architecture: WINDOWS Score: 100 35 www.balloon-artists.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 9 other signatures 2->49 11 17jLieeOPx.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\17jLieeOPx.exe.log, ASCII 11->33 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 17jLieeOPx.exe 11->15         started        18 17jLieeOPx.exe 11->18         started        20 17jLieeOPx.exe 11->20         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 22 explorer.exe 15->22 injected process9 dnsIp10 37 www.trendbold.com 64.190.62.111, 49775, 80 NBS11696US United States 22->37 39 adultpeace.com 163.44.239.73, 49768, 80 INTERQGMOInternetIncJP Japan 22->39 41 14 other IPs or domains 22->41 51 System process connects to network (likely due to code injection or exploit) 22->51 53 Performs DNS queries to domains with low reputation 22->53 26 help.exe 22->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be88b8e105148732011efec965b0c70c9adb6edde0ea1db2bfca2051e079f292/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-05 10:42:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
52
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2elryifcsdteai673ewlmghbsnnw3w54dvb3mv7ziqfdydz6kja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
298b7204317915aa463fecd43ee99abbb9020e993dc0ffdcc5e382d0f590a7b8
Formbook
4effc832d17d1b4d00e5b98bda9954f7c2684795db2451d4c2f056c84a0eff18
Formbook
5b7770f02c562dffdbe0cd638e288adba8f340c7231ef30fa2860b7f4b9dfa80
Formbook
64c5f02d627f750a5b60a196ddd53fc03f6bf632e7643cf996effaed8981e05d
Formbook
780555ffbda34b2fe63790a38a7c3e4df0b437d17c22fe7c886fcd2ee72684d0
Formbook
8d27c368e6431f796a96389ac517d654ca3de20a6b9047095a47691532c7cf11
Formbook
97eac548a519771c90d729ee721eaa2519782e6aa0dbedc9cef35e938f68858e
Formbook
c9afe6904407e9b60e73edf93efbd932b6725f0f4f33306117ffc9854c21cae2
Formbook
e9a4a4d52dd0fa4d9536ef486a5a9e2213ca76c0edeb7be6a118e9c65571d37a
Formbook
+ 5'690 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210606-b9447wlzka/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Unpacked files
SH256 hash:
1e7c66f6da06a0ea81371fb98d0e76424a600518b808140279c7ba8e06541ac5
MD5 hash:
8fe0389e4b903545421e42b628186cd2
SHA1 hash:
f6adc3d1a4ac995fad2a49474243d896b0236c2b
Link:
https://www.unpac.me/results/36f311ab-2bb3-467c-b787-35dd5345d6fe/
SH256 hash:
be88b8e105148732011efec965b0c70c9adb6edde0ea1db2bfca2051e079f292
MD5 hash:
5f8f8e08669e510154136dce28f0630b
SHA1 hash:
d5149d5a3e6e4aa26d7d6a71b38d70692af9cde2
Link:
https://www.unpac.me/results/36f311ab-2bb3-467c-b787-35dd5345d6fe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/be88b8e105148732011efec965b0c70c9adb6edde0ea1db2bfca2051e079f292

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:crime_generic_suspicious_hex_string_Jun2021_1
Create hunting rule
Author:Nils Kuhnert
Description:Triggers on parts of a big hex string available in lots of crime'ish PE files.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:susp_hex_string_Jun2021_1
Create hunting rule
Author:3c7
Description:Triggers on suspiciously long hex string that seems to be common in a lot of samples.

File information

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

Web download

Formbook

Executable exe be88b8e105148732011efec965b0c70c9adb6edde0ea1db2bfca2051e079f292

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1323001/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1323003/
  
URLhaus
https://urlhaus.abuse.ch/url/1328871/
Cape
Cape
https://www.capesandbox.com/analysis/164725/

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