MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54f23ae0cb97a0c71ea4c016cda34864398ff3d5939197eeada160d89f230ea5. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54f23ae0cb97a0c71ea4c016cda34864398ff3d5939197eeada160d89f230ea5
SHA3-384 hash: 1c71c1a74b7b9d4e3036ead20b5a799a175fafd443adb1fd76d631fe0e60ff945bd0af7110a57f5c82f34cd7da08880b
SHA1 hash: 9a3d2c0c3a2f903417c3a541a5b8a6e0faab7b59
MD5 hash: 6bf6716cac6d17349b421a39a264fd31
humanhash: five-cup-venus-oklahoma
File name:PRODUCT-LIST VACUUM BREAKER VALVE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'258'496 bytes
First seen:2021-12-13 11:17:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:Kl7J/hWTNhsVfyIULx51/GnO12gMUldKfNuLhk:2lsNkfyIULxCnO1jMaKfNA
TLSH T1AD45230B3FA48320F03D07BC51E45A4152B545397E16F6AC0DEAAADB37693E2C6259CB
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PRODUCT-LIST VACUUM BREAKER VALVE.exe
Verdict:
Malicious activity
Analysis date:
2021-12-13 11:19:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7e647aaa-f286-4be9-b248-56fa14aebf13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/213523/
Detection(s):
SecuriteInfo.com.generic.ml.18339.9593.UNOFFICIAL
Create hunting rule

PUA.Win.Packer.Medvedev-6482674-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit formbook obfuscated packed
Link:
https://www.filescan.io/uploads/61b72bec2a069372661096d6/reports/8715c6ef-4b67-4675-971d-486ae8e7f8a5/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2fb43abf-53b1-48f0-952a-44cb86f89883
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/906240
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)
Multi AV Scanner detection for domain / URL
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 538718 Sample: PRODUCT-LIST VACUUM BREAKER... Startdate: 13/12/2021 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 7 other signatures 2->38 10 PRODUCT-LIST VACUUM BREAKER VALVE.exe 3 2->10         started        process3 file4 30 PRODUCT-LIST VACUU...EAKER VALVE.exe.log, ASCII 10->30 dropped 48 Injects a PE file into a foreign processes 10->48 14 PRODUCT-LIST VACUUM BREAKER VALVE.exe 10->14         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 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 process9 19 WWAHost.exe 17->19         started        signatures10 40 Self deletion via cmd delete 19->40 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        24 explorer.exe 1 158 19->24         started        26 explorer.exe 10 19->26         started        process11 process12 28 conhost.exe 22->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/54f23ae0cb97a0c71ea4c016cda34864398ff3d5939197eeada160d89f230ea5/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-13 11:18:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ktzdvygls6qmohveyalm3i2imq4y746vsoizp3vnufqnrhzdb2sq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:46uq loader rat
Link:
https://tria.ge/reports/211213-neacqsdeb6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.jixelbbk.com/46uq/
Unpacked files
SH256 hash:
864611a5ca5b3fb0a3651d1e5275b3049178ecc5a078ba79a6b5910cd5d16ad9
MD5 hash:
2d418bbca4828b729eab5c29b9340af2
SHA1 hash:
f7dfd4990ec49b3c163be5679ae138d45e105063
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/eae4ddbb-3eb8-4e10-a1cd-9059a23cfd82/
Parent samples :
9bd94109c257b316e248e2486f3b84bf358cc5b9b259154e6b0544bcb04269d6
652385ecfc8acbe450ec14e301e3f4067cd1e2da0d5675c589c393949febc58a
503fc3a0db4f69416153b122ee36cc8bcf16738b1bc192f6d20462b28bb640f7
43b124c327a2be5af3e68915876795689ed778cfa0d5421d98963e4c51de193a
359dcc936ef46d8becf12ae075b1a31ffb812bfcee64b45d5bc01b2e8d7c4cec
54f23ae0cb97a0c71ea4c016cda34864398ff3d5939197eeada160d89f230ea5
SH256 hash:
e0084dc966cde73684bf17440a6f8585c399b12e204512e0674ee4e0c2994fd7
MD5 hash:
6b75c5d6dbe7e05cde9bf5de4a916bba
SHA1 hash:
0bfad56382c341b0a75214c94ff075c4e922dc85
Link:
https://www.unpac.me/results/eae4ddbb-3eb8-4e10-a1cd-9059a23cfd82/
SH256 hash:
4a7f16ddef5c74732d1db5b581534684feaf3cd8f6b0decd6b492443e87fb5aa
MD5 hash:
196f9af421934b61e4251b85f461ee04
SHA1 hash:
04112ee411aa1882c028217617b5ed5999132093
Link:
https://www.unpac.me/results/eae4ddbb-3eb8-4e10-a1cd-9059a23cfd82/
SH256 hash:
54f23ae0cb97a0c71ea4c016cda34864398ff3d5939197eeada160d89f230ea5
MD5 hash:
6bf6716cac6d17349b421a39a264fd31
SHA1 hash:
9a3d2c0c3a2f903417c3a541a5b8a6e0faab7b59
Link:
https://www.unpac.me/results/eae4ddbb-3eb8-4e10-a1cd-9059a23cfd82/
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/54f23ae0cb97a0c71ea4c016cda34864398ff3d5939197eeada160d89f230ea5

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

Executable exe 54f23ae0cb97a0c71ea4c016cda34864398ff3d5939197eeada160d89f230ea5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/213523/

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