MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ad94828733d211368d39bc8669735c844df4d7c2265ff4869558c683170e18f. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 6ad94828733d211368d39bc8669735c844df4d7c2265ff4869558c683170e18f
SHA3-384 hash: b697484b34529371a2054037e329484e5b47312f32191c5663b1d11f9d08566761cef63e58af149fc8f364c2fc16fd73
SHA1 hash: 106330ee37eeb3fc1816acc97923f311da87b10c
MD5 hash: 71b283d05e051b746dbedc6b4f96c282
humanhash: pip-two-harry-winter
File name:71b283d05e051b746dbedc6b4f96c282.exe
Download: download sample
Signature Formbook
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File size:899'072 bytes
First seen:2022-04-14 11:54:56 UTC
Last seen:2022-04-20 10:21:04 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 24576:6VFmViVElfG0j4eHGO5bZBQnKC5s0pTU+lDQMQ:HGG4em6ZBQKAUOt
Threatray 14'932 similar samples on MalwareBazaar
TLSH T133150105F1A96FE1C03E83F44834D50853B6B75A292DCA893DFAB4CB4971BC26256F4B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
71b283d05e051b746dbedc6b4f96c282.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 19:00:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/500527b7-9c88-474d-ac06-b05eefc306ad

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263708/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.30416.20840.23523.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/62580ba5eab80a7a6c129a38/reports/02d24825-45ed-44ea-9160-40385bb3d93c/overview
Result
Verdict:
UNKNOWN
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/71919cbe-6cf1-48fc-9046-d4be1d7ed7e9
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976805
Signature
.NET source code contains potential unpacker
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
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609294 Sample: Alj4BypQeq.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AntiVM3 2->49 51 4 other signatures 2->51 10 Alj4BypQeq.exe 3 2->10         started        14 explorer.exe 103 2->14         started        process3 file4 35 C:\Users\user\AppData\...\Alj4BypQeq.exe.log, ASCII 10->35 dropped 63 Tries to detect virtualization through RDTSC time measurements 10->63 16 Alj4BypQeq.exe 10->16         started        19 Alj4BypQeq.exe 10->19         started        signatures5 process6 signatures7 37 Modifies the context of a thread in another process (thread injection) 16->37 39 Maps a DLL or memory area into another process 16->39 41 Sample uses process hollowing technique 16->41 43 Queues an APC in another process (thread injection) 16->43 21 explorer.exe 16->21 injected process8 signatures9 53 Uses ipconfig to lookup or modify the Windows network settings 21->53 24 ipconfig.exe 21->24         started        27 autofmt.exe 21->27         started        process10 signatures11 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 29 cmd.exe 1 24->29         started        31 explorer.exe 79 24->31         started        process12 process13 33 conhost.exe 29->33         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6ad94828733d211368d39bc8669735c844df4d7c2265ff4869558c683170e18f/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-14 11:11:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
5d199f6e3b18707bf891e790552a097e326cb170308a95d4915b1a8e1718a4cf
Formbook
67435f426cc9f3036d38b4af360f5fc7a4ea547a3e93eccbdf0425718e174dd8
Formbook
a9915e261e819e5388755f6e20a93b55c096eb7b81b930c7212a77be734a97b2
Formbook
b0b1f27468552599b6e685345007b1fdbea80c2c60a914a01a6e0abdd35fcdf5
Formbook
c0760105fed05b99698c3f1e5bb6ed6e2e9b386315d0e187cd075b8ed5ea7fe5
Formbook
c944efe6f7ebc5786e8db1b3a3b4296daacce868fe45318adf01617050e4ea9e
Formbook
cd0c02c985600efee1edc7dcca8808cdf06f3ac1d52427d39c2931d2472caa6a
Formbook
d18ee31980399f171c8219a6d14ad83f3d61017f8d14e44c6f3f3bd067eccdf7
Formbook
+ 14'922 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ce20 rat spyware stealer trojan
Link:
https://tria.ge/reports/220414-n3fvesaef8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
730e35f2eb014f2e5a85c7d997ace5270863aec461558816c9963427667df152
MD5 hash:
79c0b23f998474d4206ec485f9b43d29
SHA1 hash:
5aaf643528313eae75fe64654943e3c76b8b2579
Link:
https://www.unpac.me/results/3629e5b4-bc3f-4495-9269-ba2a1c1fb5a7/
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
Link:
https://www.unpac.me/results/3629e5b4-bc3f-4495-9269-ba2a1c1fb5a7/
SH256 hash:
6ad94828733d211368d39bc8669735c844df4d7c2265ff4869558c683170e18f
MD5 hash:
71b283d05e051b746dbedc6b4f96c282
SHA1 hash:
106330ee37eeb3fc1816acc97923f311da87b10c
Link:
https://www.unpac.me/results/3629e5b4-bc3f-4495-9269-ba2a1c1fb5a7/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6ad94828733d/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/6ad94828733d211368d39bc8669735c844df4d7c2265ff4869558c683170e18f

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 6ad94828733d211368d39bc8669735c844df4d7c2265ff4869558c683170e18f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2141591/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/263708/

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