MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: 37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf
SHA3-384 hash: b2ebcab4bee99230ff8c3739876501d266df1824fc8aa427e43d19f6ae97b94b07bb422cf6d1b1d9d87e671e4c160f05
SHA1 hash: 5f8a20cf7ba1f2b105ac19799901c2510d49264e
MD5 hash: bb7b3618ed96869c180cee946d0d8855
humanhash: fillet-early-burger-snake
File name:Payment Advice - Advice Ref#GLVC22062989 PDF.bat
Download: download sample
Signature Formbook
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File size:392'192 bytes
First seen:2021-12-22 16:17:56 UTC
Last seen:2021-12-22 18:05:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 6144:UmswvxxGpmXQDftAKQy7qw6Aj4I8NROwkJ8dmykOfvQWbT9bPqcXrKc:frPQbtAOjj4I8OJEmS4WbBec+c
TLSH T1B78412163254B339E9FDAB73B832119827F5955B3912C7CC0CCB44DA9B26F035A61B47
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice - Advice Ref#GLVC22062989 PDF.bat
Verdict:
Malicious activity
Analysis date:
2021-12-22 16:19:45 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/59ce095c-e7bd-45da-ad1c-a7dc7d4b6f71

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/215808/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1140.5964.5765.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/61c34fbc4ab5c44cbf4ce924/reports/8d5208a0-f7d4-4ece-b88c-5eb7f86382eb/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/b084afe9-990e-4761-9901-15eae5a9ab67
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911614
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: 544092 Sample: Payment Advice - Advice Ref... Startdate: 22/12/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 10 other signatures 2->44 10 Payment Advice - Advice Ref#GLVC22062989 PDF.exe 3 2->10         started        process3 file4 30 Payment Advice - A...2062989 PDF.exe.log, ASCII 10->30 dropped 56 Injects a PE file into a foreign processes 10->56 14 Payment Advice - Advice Ref#GLVC22062989 PDF.exe 10->14         started        17 Payment Advice - Advice Ref#GLVC22062989 PDF.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.tremendosmonstruos.com 19->32 34 www.tnb-research.net 19->34 36 2 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 cmmon32.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 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/37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-12-22 16:18:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 28 (57.14%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7dbpboepaqlx7kbtc4p67e5wri33xubg4nv3xuurnvovn3kg27q._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:a3f0 rat spyware stealer trojan
Link:
https://tria.ge/reports/211222-trx78affc5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
265ef809ccb008760a41c04e171b7493e2a15f091aa693f6ebe146420e090bdf
MD5 hash:
1dda3144bad6364a4bfa2f12bd1930e4
SHA1 hash:
8130e9df0cf85784990a5960cd980d36d759926b
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/c6d9be38-6bfc-491e-8f7e-44d5a6dcf69c/
Parent samples :
125c9498bdcd38fb36d35e3eb32f45ede843e53eeb57e973255cf11d66318210
15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287
37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf
3e07bbefb8a7c7c8b5c46c854eaa422fe047cd22d6c2e96af1b1a88fb78854b0
SH256 hash:
9a50f9222923077d0b748343ca75994277e8938e2c934fe0bc64f5fb5420122e
MD5 hash:
56af46a24d2d350b96bd133d12244f76
SHA1 hash:
3c822c338fa535f34985867a7d420a92270ad9b2
Link:
https://www.unpac.me/results/c6d9be38-6bfc-491e-8f7e-44d5a6dcf69c/
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/c6d9be38-6bfc-491e-8f7e-44d5a6dcf69c/
SH256 hash:
37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf
MD5 hash:
bb7b3618ed96869c180cee946d0d8855
SHA1 hash:
5f8a20cf7ba1f2b105ac19799901c2510d49264e
Link:
https://www.unpac.me/results/c6d9be38-6bfc-491e-8f7e-44d5a6dcf69c/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/37c61785c478/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/37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf

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
Create hunting rule
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

Executable exe 37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/215808/

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