MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 143b1ed85fcc55420dcabccf16e229733eef4a3345c1a82ef4d668242fc2b700. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 143b1ed85fcc55420dcabccf16e229733eef4a3345c1a82ef4d668242fc2b700
SHA3-384 hash: f5dd0a4ab3cca7285633288e3107b1e6afca9eab91672312f84e07077d0db7ff95664ed4f2ed81e23670385bcc9a623b
SHA1 hash: 201ff0b3b306edae4b00cb4f1958b713cc58fcd6
MD5 hash: cf357be3d21bde8728dbafe607aa9c8e
humanhash: july-bravo-oxygen-don
File name:TEKT_0136205,PDF.EXE
Download: download sample
Signature Formbook
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File size:974'336 bytes
First seen:2022-03-15 11:56:09 UTC
Last seen:2022-04-20 09:48:33 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:nK+zGJm7It0lB/ni3jEE6zpeZp0nxpxkih:K+KJm7y03/Ae4ynx
Threatray 14'062 similar samples on MalwareBazaar
TLSH T19525BFE96EB595F2F26F15BD08A79E78C2D1EF51D671611E3C28825086FFA00C0FB606
File icon (PE):PE icon
dhash icon 1b2561696965293f (5 x Formbook, 1 x AgentTesla, 1 x RedLineStealer)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/250738/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.28628.23061.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62307f17dfdfa8501ca3a2d7/reports/9a15a172-0caf-4d78-86c3-b787d00e0f5b/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/1d3f237d-1f6d-4b6c-beda-25da2512009e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/956956
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 589434 Sample: TEKT_0136205,PDF.EXE Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 9 other signatures 2->38 10 TEKT_0136205,PDF.EXE 3 2->10         started        process3 file4 30 C:\Users\user\...\TEKT_0136205,PDF.EXE.log, ASCII 10->30 dropped 46 Writes to foreign memory regions 10->46 48 Injects a PE file into a foreign processes 10->48 14 find.exe 10->14         started        17 prevhost.exe 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 2 other signatures 14->56 19 explorer.exe 14->19 injected process8 process9 21 explorer.exe 19->21         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 21->40 42 Maps a DLL or memory area into another process 21->42 44 Tries to detect virtualization through RDTSC time measurements 21->44 24 cmd.exe 1 21->24         started        26 explorer.exe 112 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/143b1ed85fcc55420dcabccf16e229733eef4a3345c1a82ef4d668242fc2b700/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-15 11:57:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cq5r5wc7zrkuedokxthrnyrjom7o6srtixa2qlxu2zucil6cw4aa._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
21791c7eba15ff44e84b44080fa6c85cf824afafd5d987ce18d445dc942c34a2
Formbook
42c22b1ceff07541d20717e8b9fea63a1418dc92917303cdcf48cce246a7d29f
Formbook
7eb60b42eb8755d31d411c32b45f7431eb9e084fb0749d92c83ffe2598b6564c
Formbook
9e986640add85898682bd60fbce67445eeaa363f04683991ce067c73fd1e0f0a
Formbook
a3a9320405303d369e0f915541fd2dffa46c96772840069b6c55b2c4051cf342
Formbook
a8d57222d66a26a6ef7fe2d8eeb11a8af7ea9693afcbb31eece3519379c07784
Formbook
bc7cf974c3cfb35a9e7f4abff78a9c68ae6a9ecb2eb78725adfd3ef6db6d6e0a
Formbook
d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c
Formbook
e3c2718738a6d4d07664a951dee401b2c4e9416ac6a989f6aa21c3564fdaf241
Formbook
+ 14'052 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:goma loader rat
Link:
https://tria.ge/reports/220315-n4lgasbae9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
143b1ed85fcc55420dcabccf16e229733eef4a3345c1a82ef4d668242fc2b700
MD5 hash:
cf357be3d21bde8728dbafe607aa9c8e
SHA1 hash:
201ff0b3b306edae4b00cb4f1958b713cc58fcd6
Link:
https://www.unpac.me/results/f1a5aa2b-0e87-4838-b1f5-6a7c58ba2be7/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/143b1ed85fcc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/143b1ed85fcc55420dcabccf16e229733eef4a3345c1a82ef4d668242fc2b700

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.

Malspam

Formbook

img 8cc01b61c186ff7f761b6a27ce318e34d963a88d9e156d4f8906172cba0a3140

Formbook

Executable exe 143b1ed85fcc55420dcabccf16e229733eef4a3345c1a82ef4d668242fc2b700

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8cc01b61c186ff7f761b6a27ce318e34d963a88d9e156d4f8906172cba0a3140
Cape
Cape
https://www.capesandbox.com/analysis/250738/

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