MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcd3b620d09a3268b7d58c23a46aaa8446c13e045ad99cf5c71eb2d811f3a61f. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: fcd3b620d09a3268b7d58c23a46aaa8446c13e045ad99cf5c71eb2d811f3a61f
SHA3-384 hash: c90d52631e02e195ce586376f112961c8af21227905e5cab4fee3fd6bb635e7a72182032aec43e66a7e573052b7283dd
SHA1 hash: 14eef8604298dd707b6b6d40c428b176359ea686
MD5 hash: ee8cc08d22bc6541b19e4b435b341ced
humanhash: oven-crazy-grey-uranus
File name:ee8cc08d22bc6541b19e4b435b341ced.exe
Download: download sample
Signature Formbook
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File size:572'928 bytes
First seen:2021-11-01 09:41:52 UTC
Last seen:2021-11-01 11:55:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:w78H1oUu5TlzRYAPDHc/CnK2J43AdSNFdi9fRpdbOnbGUMIhx4Kke:8UWTnbICKt3AsNFgZpdoGUdx4Kke
Threatray 10'987 similar samples on MalwareBazaar
TLSH T110C4BE26A27C6F43D834A3FC84217048ABB06661BC97DB4D8FC123DE8A367B56D61587
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment.doc
Verdict:
Malicious activity
Analysis date:
2021-11-01 09:09:40 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/3dd62670-927a-4e9d-a864-f85629a9c0ed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject4.18180.15945.15923.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/617ff9ffdb358dd15ee33e91/reports/98111c0e-4beb-41a3-a2a1-8c71f7fa5ea8/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/07e6766f-69e3-4380-8279-234f5e2096fb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/880279
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 512713 Sample: nscZiuk815.exe Startdate: 01/11/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 nscZiuk815.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\nscZiuk815.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 nscZiuk815.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.reddictnflstream.com 81.17.18.197, 49796, 80 PLI-ASCH Switzerland 17->30 32 167hours.com 160.153.136.3, 49798, 80 GODADDY-AMSDE United States 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netsh to modify the Windows network and firewall settings 17->46 21 netsh.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 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/fcd3b620d09a3268b7d58c23a46aaa8446c13e045ad99cf5c71eb2d811f3a61f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-01 07:06:23 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a
Formbook
342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d
Formbook
85ee6fb97c2010a9360ee393b6f8515260e312de96ca3afbde06d5aaed699d3d
Formbook
87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c
Formbook
a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0
Formbook
b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14
Formbook
b89374513ef2e5bd74a6922fc049df5d7037136f47c0fa67c6587ea363513958
Formbook
ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
Formbook
+ 10'977 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:jy0b rat spyware stealer trojan
Link:
https://tria.ge/reports/211101-lpcjqseccq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.filecrev.com/jy0b/
Unpacked files
SH256 hash:
5f345f7c4e00a361e326b4678f1812965e8a14957b065eb78d6da684aa0fe0d3
MD5 hash:
4d6d5351b751dec76d80c643bb7d6846
SHA1 hash:
a4695f4529fe8b467ce8711dd5d55fd27f4ddbc3
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/efcda50a-c879-46ea-89b0-8e41132b8f28/
Parent samples :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 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
Link:
https://www.unpac.me/results/efcda50a-c879-46ea-89b0-8e41132b8f28/
SH256 hash:
c9c650b800bed6a84ac0d4a224dd8095c94525731374a3cac05916e825657e50
MD5 hash:
ce12e68583c2e595619806dedf84444a
SHA1 hash:
3a1a84c6544af5fd63658afb83c0e35f472f4d35
Link:
https://www.unpac.me/results/efcda50a-c879-46ea-89b0-8e41132b8f28/
SH256 hash:
fcd3b620d09a3268b7d58c23a46aaa8446c13e045ad99cf5c71eb2d811f3a61f
MD5 hash:
ee8cc08d22bc6541b19e4b435b341ced
SHA1 hash:
14eef8604298dd707b6b6d40c428b176359ea686
Link:
https://www.unpac.me/results/efcda50a-c879-46ea-89b0-8e41132b8f28/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fcd3b620d09a/report/overview.html
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/fcd3b620d09a3268b7d58c23a46aaa8446c13e045ad99cf5c71eb2d811f3a61f

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: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 fcd3b620d09a3268b7d58c23a46aaa8446c13e045ad99cf5c71eb2d811f3a61f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1705973/
  
Delivery method
Distributed via web download

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