MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20b732bd33f511b4c4e535bc0cd902af3f3f72dad5241fe322da6a59dbd897a5. 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 3 File information Comments
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SHA256 hash: 20b732bd33f511b4c4e535bc0cd902af3f3f72dad5241fe322da6a59dbd897a5
SHA3-384 hash: 701dcf14606d67541a84ea70581ef51f0ac21f624d6db9bee56741980206ae7930ad351d2dcb0486db6cdc52a805f5d4
SHA1 hash: f0782127e991a75d4bd0f6f59c668d3bd83a2bc4
MD5 hash: 3baf6ae688113d67f5bde96408608d15
humanhash: lithium-spaghetti-orange-wyoming
File name:Purchase order.exe
Download: download sample
Signature Formbook
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File size:555'008 bytes
First seen:2021-02-21 15:54:53 UTC
Last seen:2021-02-21 17:50:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:S4CbYQjoiud3J/Pmjzpxx7k363TUit8DMEAZnreBv:xCbYQjoBd3J/ufpxxo3bW8DOtr+
Threatray 3'836 similar samples on MalwareBazaar
TLSH 0CC4F1E13455C2DBC0A716F18236D3AC8FB0AF1E2C6FD90A9DD874961B3ABC61598533
Reporter fabjer
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118147/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.61648.8158.19254.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
DNS request
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Sending an HTTP GET request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/613456
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected Beds Obfuscator
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 355744 Sample: Purchase order.exe Startdate: 21/02/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 10 Purchase order.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\Purchase order.exe.log, ASCII 10->27 dropped 13 Purchase order.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 nautradio.com 34.102.136.180, 49760, 49773, 80 GOOGLEUS United States 16->29 31 shops.myshopify.com 23.227.38.74, 49769, 80 CLOUDFLARENETUS Canada 16->31 33 7 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 control.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/20b732bd33f511b4c4e535bc0cd902af3f3f72dad5241fe322da6a59dbd897a5/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2021-02-18 12:57:03 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ec3tfpjt6ui3jrhfgw6azwicv47t64w22usb7yzc3jvftw6ys6sq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0db69eb6654d1090cb17ab58537a7304e2c269613c0edabf123cf230d289db73
Formbook
5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
Formbook
6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728
Formbook
720ffc99aa96c665aae27db46f776476c37ca113db207790579adfd81c73ad05
Formbook
73c58bd017026340507d10cc2b3237c6c32835dc69571e81df1a5905981b3d63
Formbook
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
Formbook
957c5b5a6f0af47354f9ed2d09522fc671b8c0af06e3f3a5b6354e111b2c8129
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
Formbook
f09416ef7aaab2c43c62ef77bb69c005ec4a57d4051586f5e7d8571e74fee41c
Formbook
+ 3'826 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210221-jq17ps7nq2/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Beds Protector Packer
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fptableau.com/u3q/
Unpacked files
SH256 hash:
1fdee6d36631a59b777d0903d6da8bafa1253820b372e80b55ce743cc68fdc8c
MD5 hash:
af30dd3ed5ab926111b7622fa1e68eee
SHA1 hash:
6a43be43eefdf164ece4ea02e22fc3b9c38cb4ec
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/ba5b06d3-67e3-415e-a9d6-8417fab0cba7/
Parent samples :
20b732bd33f511b4c4e535bc0cd902af3f3f72dad5241fe322da6a59dbd897a5
1df6109d033a42d97b34133e69afc0da679586b85b6614b034ebfd9343062d20
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/ba5b06d3-67e3-415e-a9d6-8417fab0cba7/
SH256 hash:
ab5725727d147893b67c0a123d1780ca59b6d28c93ec62ec9f809f8f6ce547d1
MD5 hash:
38babaf4cf4588b9ccdeecd2f748dc82
SHA1 hash:
bb21d104038dc58e8bf2f19bc8e8a819fbc949d7
Link:
https://www.unpac.me/results/ba5b06d3-67e3-415e-a9d6-8417fab0cba7/
SH256 hash:
20b732bd33f511b4c4e535bc0cd902af3f3f72dad5241fe322da6a59dbd897a5
MD5 hash:
3baf6ae688113d67f5bde96408608d15
SHA1 hash:
f0782127e991a75d4bd0f6f59c668d3bd83a2bc4
Link:
https://www.unpac.me/results/ba5b06d3-67e3-415e-a9d6-8417fab0cba7/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip a4351b3c1b8dc1aad1e157d2ff302c53263a00f70a05e606e25ee61fa501006d

Formbook

Executable exe 20b732bd33f511b4c4e535bc0cd902af3f3f72dad5241fe322da6a59dbd897a5

(this sample)

  
Dropped by
SHA256 a4351b3c1b8dc1aad1e157d2ff302c53263a00f70a05e606e25ee61fa501006d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/118147/

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