MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a471e0d2b53faeb4ecfc45510cd5227a7b54e5fb073225d09a2b8f4050025357. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a471e0d2b53faeb4ecfc45510cd5227a7b54e5fb073225d09a2b8f4050025357
SHA3-384 hash: 3ee6ba6dbe15c0bc4dfa17767f21a584c76f2942bb93a1250d4280eb38a827dde0d9cce44d1e513f12f5c7190837705f
SHA1 hash: 27260cde5be7583964bddf5a0363c0ed5ca2c644
MD5 hash: b48147af36d0c1b52ea342da5bc6e7a1
humanhash: lemon-maryland-washington-cola
File name:b48147af36d0c1b52ea342da5bc6e7a1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:869'376 bytes
First seen:2021-05-25 14:18:58 UTC
Last seen:2021-05-25 15:02:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:5ULhGSFEv23v3JYsUa2J5bSbWYlOW4RSq9b0NA8XgIpqhFvm/f0LRg8c:5UFGS7PJY5a6r/S+0NAsko/8t
Threatray 5'353 similar samples on MalwareBazaar
TLSH 3805AD2C106EF626C1ADC2BD0AC4443BF991D7373131BE69ECD70B995B19E81799223E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b48147af36d0c1b52ea342da5bc6e7a1.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-25 23:48:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f05b3ebf-c22d-4070-a32c-9d08dfd99205

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/162004/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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/791692
Signature
.NET source code contains very large strings
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 submitted file
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: 424095 Sample: n2fpCzXURP.exe Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 33 www.jonathan-mandt.com 2->33 35 www.malcorinmobiliaria.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 n2fpCzXURP.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\n2fpCzXURP.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 n2fpCzXURP.exe 11->15         started        18 n2fpCzXURP.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 37 cleanxcare.com 78.31.67.91, 49786, 80 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Germany 20->37 39 adultpeace.com 163.44.239.73, 49781, 80 INTERQGMOInternetIncJP Japan 20->39 41 16 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 colorcpl.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a471e0d2b53faeb4ecfc45510cd5227a7b54e5fb073225d09a2b8f4050025357/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-25 10:05:43 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ury6buvvh6xlj3h4iviqzvjcpj5vjzp3a4zclue2fohuauacknlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14b95763e86e899de22402ae2d7204ff7d9ceab85a12a1599a6c8d5964fa306a
Formbook
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
298b7204317915aa463fecd43ee99abbb9020e993dc0ffdcc5e382d0f590a7b8
Formbook
5b7770f02c562dffdbe0cd638e288adba8f340c7231ef30fa2860b7f4b9dfa80
Formbook
719604b516f11740266b2c7a8a61129f779caf4c1f9e16bac35d39f5792a009b
Formbook
7c8eea0e649a176edb83fc19998f0e99be49c7bee1ff9090d1be69f614554088
Formbook
9c335d547092d063a6bc46441486d5336c62818b648139ab92839e30ef230c4a
Formbook
e1339c4548f73e4f250fed46d56bbce84491ca122aed7527731bb8d72df83e11
Formbook
f3a5f73b6bef3d25071f3e2fb2f3c6402683d2770539e5b046bdc7b485ce3c0b
Formbook
fa768e26f300f2c19ef11635dd836b031e0b5352d86d40cdc24284bf874230e7
Formbook
+ 5'343 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210525-bcv72v2xws/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
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/a471e0d2b53faeb4ecfc45510cd5227a7b54e5fb073225d09a2b8f4050025357

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: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.

Web download

Formbook

Executable exe a471e0d2b53faeb4ecfc45510cd5227a7b54e5fb073225d09a2b8f4050025357

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/162004/
  
URLhaus
https://urlhaus.abuse.ch/url/1278798/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1277040/
  
URLhaus
https://urlhaus.abuse.ch/url/1278461/
  
URLhaus
https://urlhaus.abuse.ch/url/1278170/

Comments