MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7e45a6c817ed9d9795eacd7c11caae883fd5be5f590ef218cd074a5895dda2b. 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 1
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SHA256 hash: a7e45a6c817ed9d9795eacd7c11caae883fd5be5f590ef218cd074a5895dda2b
SHA3-384 hash: 514ca644cafea8449b1d5afa20b22944c77234d464b98630aa155f79b586cd18f1ff550416de6a68544044668e0261b9
SHA1 hash: c11fb241a0fa60eacd9f51f90f37c66ec212c50b
MD5 hash: b437cc98b3bc62c81485490143beea2c
humanhash: mike-seventeen-johnny-oscar
File name:b437cc98b3bc62c81485490143beea2c
Download: download sample
Signature Formbook
Create hunting rule
File size:546'304 bytes
First seen:2021-07-13 19:13:43 UTC
Last seen:2021-07-13 19:51:09 UTC
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:G0iUj1eGhSVb0nzFgyOwg8/W9tMyDi0+/FrrsxR:SUjcG6qzeZOaT
Threatray 6'171 similar samples on MalwareBazaar
TLSH T108C4CF3F73822EBAC0084F7B4556168412F0D14B32B2F77F28E622D89E5175E6B6B257
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b437cc98b3bc62c81485490143beea2c
Verdict:
Malicious activity
Analysis date:
2021-07-13 19:16:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/98305c95-9615-44b5-a588-207deb77f7b6

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/171507/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37206355.7504.11055.UNOFFICIAL
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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/3c840b70-d97c-41b1-bd8e-85cf6d1ebc59
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815863
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 448274 Sample: TnTnhIrSdN Startdate: 13/07/2021 Architecture: WINDOWS Score: 100 33 www.thelearningcountscompany.com 2->33 35 thelearningcountscompany.com 2->35 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 4 other signatures 2->45 11 TnTnhIrSdN.exe 15 4 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\...\TnTnhIrSdN.exe.log, ASCII 11->31 dropped 55 Writes to foreign memory regions 11->55 57 Allocates memory in foreign processes 11->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->59 61 Injects a PE file into a foreign processes 11->61 15 AddInProcess32.exe 11->15         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 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.usamlb.com 216.250.121.85, 49739, 80 ONEANDONE-ASBrauerstrasse48DE United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wscript.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7e45a6c817ed9d9795eacd7c11caae883fd5be5f590ef218cd074a5895dda2b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-07-08 04:56:21 UTC
AV detection:
34 of 46 (73.91%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1fe427cfa805bbabdc371ae3f6ccea4088ca76e8b9fce9828a74885d72339020
Formbook
22a98d91ae654adf8664cd68d3e1ae9857f2b6c63c2a87283e4a794128e58952
Formbook
360f7adfb84151a958c2ab27dde89e01e84ceffd431864602fbba7120c8be990
Formbook
4903d25c490e1b6c899c4fb9d3d3eb16d79c802245d4c2b667ff06f42724e358
Formbook
59a6f0a402a4172f893c1747b51c7e1a7d6092fe091e1a9497067849efb5eec2
Formbook
79043f2f23a008c67568fd1720f10911cfba7ba8008bd214599c6db49aa39791
Formbook
8160be86cfef6146d2b7aad72e89cfe0a7cb7e11514107782d8cf7a372ea6c48
Formbook
94235ec4fec92239bf53cbe18e6b698f30ca30d07602cc123dcf76d728bff41e
Formbook
bcf09c801e101acbaa20ef272f86c7eac2c311bf20c6a5b6e245fc0b92be576e
Formbook
+ 6'161 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader agilenet loader rat
Link:
https://tria.ge/reports/210713-as2g7vyr1n/
Behaviour
Modifies system certificate store
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
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.yummylipz.net/b8eu/
Unpacked files
SH256 hash:
a7e45a6c817ed9d9795eacd7c11caae883fd5be5f590ef218cd074a5895dda2b
MD5 hash:
b437cc98b3bc62c81485490143beea2c
SHA1 hash:
c11fb241a0fa60eacd9f51f90f37c66ec212c50b
Link:
https://www.unpac.me/results/5e4ed184-74b1-4898-8119-c0aa6ac98415/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a7e45a6c817ed9d9795eacd7c11caae883fd5be5f590ef218cd074a5895dda2b

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
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Rule name:Skystars_Malware_Imphash
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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 a7e45a6c817ed9d9795eacd7c11caae883fd5be5f590ef218cd074a5895dda2b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1451826/
Cape
Cape
https://www.capesandbox.com/analysis/171507/
  
URLhaus
https://urlhaus.abuse.ch/url/1452271/

Comments


Avatar
zbet commented on 2021-07-13 19:13:44 UTC

url : hxxp://enorichie.net/z/new.exe