MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b559b57a32b925a016e954b9d499baccd9c629ab3218858a9019e276b0831c4d. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b559b57a32b925a016e954b9d499baccd9c629ab3218858a9019e276b0831c4d
SHA3-384 hash: 862a50d3790258677439859b26666401cecc62b5bf671e922a43f38ad9f604768f2adabc9cb7994788ae5315abd8f425
SHA1 hash: da9e3cc8d07f9bfb131296aebab5ae098d827c2e
MD5 hash: 5e3982140e84a67504bd7570dcdbd38e
humanhash: crazy-cold-red-magazine
File name:Scan_ 034.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'252'352 bytes
First seen:2020-10-12 07:31:38 UTC
Last seen:2020-10-13 04:30:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:jAHnh+eWsN3skA4RV1Hom2KXMmHa350f9Hp5+QdICM7XxTldJz7yA/5:uh+ZkldoPK8Ya35op+RCMlBr/yk
Threatray 2 similar samples on MalwareBazaar
TLSH C645BD0273D5C036FFAB92739B69F24196BC792501F3852F12D82DB9B9749B1223D263
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: pl1.azuni.net
Sending IP: 37.26.26.70
From: katerina <katerina@trendcomp.com.ua>
Subject: RE: Нове замовлення
Attachment: Scan_ 034.zip (contains "Scan_ 034.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69984/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/488112
Signature
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 296515 Sample: Scan_ 034.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 46 www.bakecakesandmore.com 2->46 48 sunniyy22.da0246.com 2->48 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected FormBook 2->78 80 5 other signatures 2->80 11 Scan_ 034.exe 4 2->11         started        15 wscript.exe 1 2->15         started        signatures3 process4 file5 42 C:\Users\user\manage-bde\atmlib.exe, PE32 11->42 dropped 44 C:\Users\user\AppData\...\SgrmLpac.url, MS 11->44 dropped 84 Maps a DLL or memory area into another process 11->84 17 Scan_ 034.exe 11->17         started        20 Scan_ 034.exe 11->20         started        22 Scan_ 034.exe 11->22         started        24 atmlib.exe 15->24         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 17->60 62 Maps a DLL or memory area into another process 17->62 64 Sample uses process hollowing technique 17->64 66 Queues an APC in another process (thread injection) 17->66 26 explorer.exe 17->26 injected 68 Multi AV Scanner detection for dropped file 24->68 70 Binary is likely a compiled AutoIt script file 24->70 72 Tries to detect virtualization through RDTSC time measurements 24->72 29 atmlib.exe 24->29         started        process9 dnsIp10 50 www.smokvape.faith 26->50 52 www.leonqamil.com 26->52 32 raserver.exe 26->32         started        35 cmd.exe 26->35         started        86 Modifies the context of a thread in another process (thread injection) 29->86 88 Maps a DLL or memory area into another process 29->88 90 Sample uses process hollowing technique 29->90 signatures11 process12 signatures13 54 Modifies the context of a thread in another process (thread injection) 32->54 56 Maps a DLL or memory area into another process 32->56 58 Tries to detect virtualization through RDTSC time measurements 32->58 37 cmd.exe 1 32->37         started        process14 signatures15 82 Tries to detect virtualization through RDTSC time measurements 37->82 40 conhost.exe 37->40         started        process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b559b57a32b925a016e954b9d499baccd9c629ab3218858a9019e276b0831c4d/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 06:45:20 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvm3k6rsxes2afxjks45jgn2ztm4mknlgimilcuqdhrhnmeddrgq._file
Verdict:
suspicious
Similar samples:
bd752c46af3d020a57a29458209f135518890abdcac5934b754a8fddf20435cb
Formbook
f8ead6b4249948dc3a300ba676acbdf6cb85ef6aef32d6bea64e9b6eb5a75f73
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/201012-rlklkk4qcn/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Drops startup file
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.joomlas123.info/3nop/
Unpacked files
SH256 hash:
b559b57a32b925a016e954b9d499baccd9c629ab3218858a9019e276b0831c4d
MD5 hash:
5e3982140e84a67504bd7570dcdbd38e
SHA1 hash:
da9e3cc8d07f9bfb131296aebab5ae098d827c2e
Link:
https://www.unpac.me/results/2541e1b4-5616-4652-b492-a5f3e90ce0e8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b559b57a32b925a016e954b9d499baccd9c629ab3218858a9019e276b0831c4d

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).

File information

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

Malspam

Formbook

zip d8cbf2f7fab3dc4bbfa6668c857adeecc18560cc79f67d0505c2a364b0ce7d8f

Formbook

Executable exe b559b57a32b925a016e954b9d499baccd9c629ab3218858a9019e276b0831c4d

(this sample)

  
Dropped by
MD5 f521c72fc6752ab018ddf84f71468011
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69984/
  
Dropped by
SHA256 d8cbf2f7fab3dc4bbfa6668c857adeecc18560cc79f67d0505c2a364b0ce7d8f

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