MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3dcb817ae493b55bedb943bf49412f83fd0b7ebd09c5245a1dee246fb854cc37. 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 2 File information Comments
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SHA256 hash: 3dcb817ae493b55bedb943bf49412f83fd0b7ebd09c5245a1dee246fb854cc37
SHA3-384 hash: b17132bbb3796cc3350b9bec888fffcbfa67d8dd38870d869457d543e269402f605f90167d22b48db8f2dcaf0e517f30
SHA1 hash: 6be69175938dcdd60979253d4b0fb887402d233e
MD5 hash: c9ebf04c45bd13cb5cd78c17c9ec09ab
humanhash: mountain-aspen-may-pip
File name:3dcb817ae493b55bedb943bf49412f83fd0b7ebd09c5245a1dee246fb854cc37
Download: download sample
Signature Formbook
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File size:805'376 bytes
First seen:2022-10-07 13:16:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hlr49ubm17N79fh9aVOzbJEi3UdyydcQtOglQK86GI5ZizRPjW58:3617F9Zm4br3KdcOOlB6BWzRPjt
TLSH T10805CF141775C90BC86AA975D8D1F3700EAC5DD5936FC24B88DC7C7BF23A298A8913E2
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)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317654/
Detection(s):
Win.Dropper.Nanocore-9970955-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/634026d0d5955f6f49d606c3/reports/e7ec1aea-327b-413d-9e65-d015e82d84d5/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/12d7b0cf-d258-45be-83f9-f13ed469a76e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1085753
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 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 signatures2 2 Behavior Graph ID: 718313 Sample: a2IIY9XIde.exe Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 7 other signatures 2->38 10 a2IIY9XIde.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\a2IIY9XIde.exe.log, ASCII 10->28 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 a2IIY9XIde.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.dinobro.com 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 systray.exe 17->21         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3dcb817ae493b55bedb943bf49412f83fd0b7ebd09c5245a1dee246fb854cc37/
Threat name:
ByteCode-MSIL.Backdoor.Androm
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Status:
Malicious
First seen:
2022-09-19 04:23:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hxfyc6xeso2vx3nzio7usqjpqp6qw7v5bhcsiwq55ysg7ocuzq3q._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:p94a rat spyware stealer trojan
Link:
https://tria.ge/reports/221007-qjc1jacgfk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2db4b49e-1aac-4861-81b0-99fba0cef90c
Unpacked files
SH256 hash:
535a0b3e0596a26dedd145e0732fa69f4eb42d2c9a87a972b44e79e2fd76f825
MD5 hash:
7241a753759b2ab23fa2d871a760c331
SHA1 hash:
9e5baa96017ff6de28cf1dabcc15baf3e9e35676
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/1baf4c01-83f5-40b2-b943-b159c803ad47/
Parent samples :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 hash:
8c86b5469a223654d38b5f354679008d967c63ccbbeab6890852508b433fa729
MD5 hash:
d672ded7c8a4d024e832aa743f0d9269
SHA1 hash:
ad7805e48d72a9bbf81ac6b4abe7308c5e88068e
Link:
https://www.unpac.me/results/1baf4c01-83f5-40b2-b943-b159c803ad47/
SH256 hash:
2b4a2c65ed6691b99403ba914bc28169c09bd8742327d1b84deaa263deb71d68
MD5 hash:
c0b2c79f7f473b3efdc1f8a2f87454a3
SHA1 hash:
aafe823b955f5200a5b4430059745338ac967f13
Link:
https://www.unpac.me/results/1baf4c01-83f5-40b2-b943-b159c803ad47/
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
Link:
https://www.unpac.me/results/1baf4c01-83f5-40b2-b943-b159c803ad47/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/1baf4c01-83f5-40b2-b943-b159c803ad47/
SH256 hash:
3dcb817ae493b55bedb943bf49412f83fd0b7ebd09c5245a1dee246fb854cc37
MD5 hash:
c9ebf04c45bd13cb5cd78c17c9ec09ab
SHA1 hash:
6be69175938dcdd60979253d4b0fb887402d233e
Link:
https://www.unpac.me/results/1baf4c01-83f5-40b2-b943-b159c803ad47/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3dcb817ae493/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3dcb817ae493b55bedb943bf49412f83fd0b7ebd09c5245a1dee246fb854cc37

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.

Cape
Cape
https://www.capesandbox.com/analysis/317654/

Comments