MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 735e5aa86b830ba402d6451d253ae7ee4c892ad4244335626dbaf814c02ea500. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments 1
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SHA256 hash: 735e5aa86b830ba402d6451d253ae7ee4c892ad4244335626dbaf814c02ea500
SHA3-384 hash: 8da2d2953eaa0fef55d6c2d4a580e16f155ab624d6ce4fd5c420ea0fdd51247f80d985c78d22f7e78fc783f9d8be419b
SHA1 hash: ce3abedbc502df2bf53f334c0f6017944836470e
MD5 hash: e50b95de361b01c8d1940fa1f59753e8
humanhash: neptune-nevada-asparagus-kentucky
File name:e50b95de361b01c8d1940fa1f59753e8
Download: download sample
Signature Formbook
Create hunting rule
File size:429'568 bytes
First seen:2022-07-22 14:59:56 UTC
Last seen:2022-07-22 15:34:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:eU58zewylHImfSKbS2m2VVjWztTtu4ruD81tFPwy42juBAi5U2C5I+oMyf:n8zeTomfSKbI8Vji5zKnmJh1Qf
TLSH T120949D59E6B40F81FF053AB148C662B91F0CBD885B4CDA2569C87C2F3117E6DDAC60B9
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 84e8e0f2b2c0f0f0 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
380
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/293431/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.26427.17679.6081.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62dabbef61945a46c8da02a6/reports/248aace2-0967-480c-bc72-285a1edbd4f3/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0bbadd62-fb6f-47a1-a843-ea060f6ac958
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1039317
Signature
C2 URLs / IPs found in 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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/735e5aa86b830ba402d6451d253ae7ee4c892ad4244335626dbaf814c02ea500/
Threat name:
ByteCode-MSIL.Trojan.Barys
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Status:
Malicious
First seen:
2022-07-22 15:00:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=onpfvkdlqmf2iawwiuoskoxh5zgiskwuerbtkytnxl4bjqbouuaa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:eni9 rat spyware stealer trojan
Link:
https://tria.ge/reports/220722-sdaz4afhe8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
6b0a05ab12534dd75e3a2d775d15e11927f7885d3dbba52938cf89dd173e73ed
MD5 hash:
bd12f987335f8be45d8428ca5aff3f0d
SHA1 hash:
1cb3ab53c6387a7564771a2083c3bcf9afe9c049
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/71008c50-0c50-4601-b0b4-78cc061f486c/
Parent samples :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 hash:
735e5aa86b830ba402d6451d253ae7ee4c892ad4244335626dbaf814c02ea500
MD5 hash:
e50b95de361b01c8d1940fa1f59753e8
SHA1 hash:
ce3abedbc502df2bf53f334c0f6017944836470e
Link:
https://www.unpac.me/results/71008c50-0c50-4601-b0b4-78cc061f486c/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/735e5aa86b83/report/overview.html
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/735e5aa86b830ba402d6451d253ae7ee4c892ad4244335626dbaf814c02ea500

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_EXE_Packed_SmartAssembly
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Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 735e5aa86b830ba402d6451d253ae7ee4c892ad4244335626dbaf814c02ea500

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/293431/
  
URLhaus
https://urlhaus.abuse.ch/url/2260185/

Comments


Avatar
zbet commented on 2022-07-22 14:59:58 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/wordj.exe