MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede. 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: 4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede
SHA3-384 hash: d5d6e901566f13665d4f849266192943954ea19aa5d4db38f2d4d2219943a74016865f2a5880c6a3aaea096484aeb879
SHA1 hash: d14082f18543ce5d6726822b1faccd4e50770053
MD5 hash: fb77f573621acb1eec2d346a40973d60
humanhash: triple-carpet-speaker-mirror
File name:fb77f573621acb1eec2d346a40973d60.exe
Download: download sample
Signature Formbook
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File size:529'408 bytes
First seen:2021-10-27 12:24:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:JCY6mfCIlImLrfqld8Quy/xywfHcXQVKw5YcX96zGLfvfRGHg2qUP/PJDK23+:TFImHpQuSxy87xCo96SLHfUHfFP8g
TLSH T16CB4E05176B8C906D5B507B0D0B9C4F04B31BC2ADA51E60F99D27CDF3A717C2822AB6B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/200525/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43573.15901.32071.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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hacktool obfuscated packed
Link:
https://www.filescan.io/uploads/61794521a9d585e6d53b2f35/reports/3612cf2a-dbd1-4344-b76c-d037517558d3/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/a61d2270-dd4c-413c-803c-0580ed93e720
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877776
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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: 510209 Sample: zfAPKMiLo4.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 6 other signatures 2->42 10 zfAPKMiLo4.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\zfAPKMiLo4.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 zfAPKMiLo4.exe 10->14         started        17 zfAPKMiLo4.exe 10->17         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 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.sydneykpurdue.com 64.98.145.30, 49826, 80 TUCOWS-3CA Canada 19->32 34 www.project-global-corp.us 19->34 44 System process connects to network (likely due to code injection or exploit) 19->44 23 explorer.exe 19->23         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 23->46 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-27 09:13:53 UTC
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ad6n rat spyware stealer trojan
Link:
https://tria.ge/reports/211027-plndlsega5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.didimthebestkuafor.com/ad6n/
Unpacked files
SH256 hash:
def784268365dae11e6a6b197ec699791763566672fbcec5ee0e6ab084b0ea5d
MD5 hash:
9b08e9c56068008f5893fd4f7b6bf573
SHA1 hash:
8c88a1c68455d6f7be3d275bd9ac8f4fd2a09bde
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/a3b67011-3736-4066-a146-189155f3e117/
Parent samples :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 hash:
fd0fa766303a226cf3e0a73b542ec4819b5400585cb718fb607a383a1175010c
MD5 hash:
27dbf8dfe2a8b5d26c91ddd8e2ef7bb9
SHA1 hash:
a1d58ba27bd2ef6cc162cc9f3e15fc1903109902
Link:
https://www.unpac.me/results/a3b67011-3736-4066-a146-189155f3e117/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/a3b67011-3736-4066-a146-189155f3e117/
SH256 hash:
4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede
MD5 hash:
fb77f573621acb1eec2d346a40973d60
SHA1 hash:
d14082f18543ce5d6726822b1faccd4e50770053
Link:
https://www.unpac.me/results/a3b67011-3736-4066-a146-189155f3e117/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4bdd5968c006/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/4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede

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 4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/200525/
  
URLhaus
https://urlhaus.abuse.ch/url/1705792/
  
Delivery method
Distributed via web download

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