MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
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SHA256 hash: b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66
SHA3-384 hash: 64c08bac7743fcb4fbbfee3a151090a2c20b555bfb0da958555ab7c9f5d2da88f83f6502b77c7a686f4538f76bf10839
SHA1 hash: 078082d3ad1c80712874707a2ba4ac0d278c96b8
MD5 hash: 722daed1be974afe99158c6679d6b21f
humanhash: beer-ceiling-papa-potato
File name:SecuriteInfo.com.Win32.RATX-gen.3194.15750
Download: download sample
Signature Formbook
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File size:1'121'288 bytes
First seen:2024-03-15 14:29:25 UTC
Last seen:2024-03-15 14:29:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:2qMTu+OPfQ39SiJScvKzKYlHTeS+6XBu3rCE:2q6u+O3Q39SiJZkHTeSRu3rH
TLSH T12B35093C09FC1227D175D7A1DBD48023F765A4AB3425EE6988C203D94B6EB426D87E2F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
357
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-15 14:30:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4b93054e-088a-4c35-a750-2690473fa3df

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/479148/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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SecuriteInfo.com.Win32.RATX-gen.2134.2014.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65f45b72fc3fe20efe674c71/reports/c273e206-2d3c-481a-a71c-3aa24f63983f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66
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/733b3cad-47b1-40c5-a189-4a40e09f353d
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1409677
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2024-03-15 12:49:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpot5safnew4uphfiqdiau5y2tufkijglxkkcojoz4gupmubjrta._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:ns03 rat spyware stealer trojan
Link:
https://tria.ge/reports/240315-rt6ahach76/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
9518217b208cfca11a2b068cbfb18552033199e5765482b3b083e2a31398bb39
MD5 hash:
aa289b0ba123b74f54e850e6cf597075
SHA1 hash:
60d6cfcab59aed57d9e983d2af885ddc6b767241
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/e5be5b44-5af4-46ff-a6c0-0cae452015b2/
Parent samples :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 hash:
b18c02279b5016ab433cb11fc68212055966fbe81bb7d7f10d526fb2b61d6454
MD5 hash:
149f6e1717a06c65c1f12b5b06940fa3
SHA1 hash:
d725ed17da37f999989da683ac1f53d50bb217d5
Link:
https://www.unpac.me/results/e5be5b44-5af4-46ff-a6c0-0cae452015b2/
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/e5be5b44-5af4-46ff-a6c0-0cae452015b2/
SH256 hash:
c7b65c024c00424121be603e04c3032bfb1415c2bb12dadcf03c34ee72321c58
MD5 hash:
1c54147f268ac0afa3a41e7c89a79162
SHA1 hash:
221ff832887f8be905fd555f973422b587bacefb
Link:
https://www.unpac.me/results/e5be5b44-5af4-46ff-a6c0-0cae452015b2/
SH256 hash:
e19e576919528383fb15ef9c93c3d9e5085bdba8998d615144d6f66df90323ae
MD5 hash:
d7f4d72a4a65f68368d20156946c098c
SHA1 hash:
15015928125d85dfc1d2453acc3382c1f9414922
Link:
https://www.unpac.me/results/e5be5b44-5af4-46ff-a6c0-0cae452015b2/
SH256 hash:
b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66
MD5 hash:
722daed1be974afe99158c6679d6b21f
SHA1 hash:
078082d3ad1c80712874707a2ba4ac0d278c96b8
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/e5be5b44-5af4-46ff-a6c0-0cae452015b2/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3dd3ec80569/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
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Author:malware-lu
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:pe_imphash
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Rule name:PE_Potentially_Signed_Digital_Certificate
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Author:albertzsigovits
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/479148/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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