MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a4e005808be8cb30ec3e12b0e4ccc62cc579a2860268c40ec1f28fb3b278da0. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a4e005808be8cb30ec3e12b0e4ccc62cc579a2860268c40ec1f28fb3b278da0
SHA3-384 hash: a97f5b7934d184d090aeefbcb5f5be4f99942cbb7d705f012f6c17b009c3b9ceaadea67315a6fcaa974f4288409da196
SHA1 hash: a8e3796ff58dd229bc42d973f60099795f462689
MD5 hash: 2164c53cf908355d1d3c17c7ed3e7bba
humanhash: beryllium-venus-oklahoma-bakerloo
File name:Eurobank Transaction.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'250'816 bytes
First seen:2020-10-09 09:10:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:UAHnh+eWsN3skA4RV1Hom2KXMmHayexKkjJcVpVF9XxqoPI5:jh+ZkldoPK8Yay0v4P0oG
Threatray 801 similar samples on MalwareBazaar
TLSH CD45CE0273D58036FFAB92739B69B20156BD792501F3852F13D82DB9BCB49B1127E263
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69507/
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/486554
Signature
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Creates an undocumented autostart registry key
Detected FormBook malware
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
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 295721 Sample: Eurobank Transaction.exe Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 54 www.whatsnexttnd.com 2->54 56 whatsnexttnd.com 2->56 74 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 7 other signatures 2->80 11 Eurobank Transaction.exe 4 2->11         started        15 wscript.exe 1 2->15         started        signatures3 process4 file5 46 C:\Users\user\phoneactivate\BrokerLib.exe, PE32 11->46 dropped 48 C:\Users\user\AppData\...\AtBroker.url, MS 11->48 dropped 92 Maps a DLL or memory area into another process 11->92 17 Eurobank Transaction.exe 11->17         started        20 BrokerLib.exe 15->20         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 17->62 64 Maps a DLL or memory area into another process 17->64 66 Sample uses process hollowing technique 17->66 68 Queues an APC in another process (thread injection) 17->68 22 explorer.exe 17->22 injected 70 Multi AV Scanner detection for dropped file 20->70 72 Tries to detect virtualization through RDTSC time measurements 20->72 26 BrokerLib.exe 20->26         started        process9 dnsIp10 58 www.janewagtus.com 22->58 60 s.multiscreensite.com 100.24.208.97, 49716, 80 AMAZON-AESUS United States 22->60 84 System process connects to network (likely due to code injection or exploit) 22->84 28 colorcpl.exe 1 18 22->28         started        32 cmstp.exe 22->32         started        86 Modifies the context of a thread in another process (thread injection) 26->86 88 Maps a DLL or memory area into another process 26->88 90 Sample uses process hollowing technique 26->90 signatures11 process12 file13 50 C:\Users\user\AppData\...\8LOlogrv.ini, data 28->50 dropped 52 C:\Users\user\AppData\...\8LOlogri.ini, data 28->52 dropped 94 Detected FormBook malware 28->94 96 Creates an undocumented autostart registry key 28->96 98 Tries to steal Mail credentials (via file access) 28->98 102 3 other signatures 28->102 34 cmd.exe 2 28->34         started        38 cmd.exe 1 28->38         started        100 Tries to detect virtualization through RDTSC time measurements 32->100 signatures14 process15 file16 44 C:\Users\user\AppData\Local\Temp\DB1, SQLite 34->44 dropped 82 Tries to harvest and steal browser information (history, passwords, etc) 34->82 40 conhost.exe 34->40         started        42 conhost.exe 38->42         started        signatures17 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a4e005808be8cb30ec3e12b0e4ccc62cc579a2860268c40ec1f28fb3b278da0/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 07:30:32 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjhaawaix2glgdwd4evq4tgmmlgfpgrimatiyqhmd4upwozhrwqa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
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Formbook
34cedb568c833efef91d94869b50b0d0b41f51e9dd882f9c2602f14f391b15aa
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37dd9ac0253be5eb6036877963ff457db90932e34d9bbd2c18852bf8bfd873c2
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48b1f899e7ad8d880a6bf9d97ada6507c4403c8d8e81815f83fb8181ca247008
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9c5315409c9ccb1e74195e244a17531781b973f9f489743602c18aaf5a22e7fb
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a6b186142343526bf5e81790a1971d6f9b903d930ef335f9bdae62d0ba02e1be
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d76bb689a401094eee47a075368224161d261665c2b285b155d1b7833ba4fbaa
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e897888dd36ab2a5740030d628f510ef0563d9d039e896b45134a4a5c4a82bb7
Formbook
f3052467eedb90e28e1aad78395fc21e5f2bc53e90d5b8a1c7865464e86d9b19
Formbook
+ 791 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/201009-sl3ymacqf6/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops startup file
Unpacked files
SH256 hash:
8a4e005808be8cb30ec3e12b0e4ccc62cc579a2860268c40ec1f28fb3b278da0
MD5 hash:
2164c53cf908355d1d3c17c7ed3e7bba
SHA1 hash:
a8e3796ff58dd229bc42d973f60099795f462689
Link:
https://www.unpac.me/results/b90b8544-b67f-4fd4-976c-cdaf7550b24a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8a4e005808be8cb30ec3e12b0e4ccc62cc579a2860268c40ec1f28fb3b278da0

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

Executable exe 8a4e005808be8cb30ec3e12b0e4ccc62cc579a2860268c40ec1f28fb3b278da0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69507/

Comments