MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d
SHA3-384 hash: 1dcf2c54db7524cd3386465b4e2ee47ea336cf21bfb16e8551b3c918ea8ba2159040898d17c66d1288a1384a62c9841a
SHA1 hash: ca28a21f63ee3e8b4abffe14fcfbdd744f050d53
MD5 hash: b2e8e22522fce6b959fd306d21e2f4b0
humanhash: oranges-high-football-mirror
File name:Tax payment invoice - Thursday, November 11, 2021,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:678'912 bytes
First seen:2021-11-11 14:42:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:35TMckLt1gxm9IXt7Ap85vJ+dwfsfy6nnjqKoe:3ZM1taA6thsa6nnjqKoe
Threatray 11'115 similar samples on MalwareBazaar
TLSH T1C1E4AF473984C598CE694EF7A603858033A5DCFED614E70A7BC8335A5EF67E6082271B
File icon (PE):PE icon
dhash icon f2909696969ef66e (42 x AgentTesla, 42 x SnakeKeylogger, 13 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205001/
Detection(s):
Win.Trojan.Generic-9907631-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/618d2bf7a00afa9663a4135c/reports/0d14fcca-2189-42ea-b161-a5267f36da63/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2f023d45-266f-46c5-9088-1b41067c7128
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/887519
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 519992 Sample: Tax payment invoice - Thurs... Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 35 www.creeflashlight168.com 2->35 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 11 other signatures 2->43 11 Tax payment invoice - Thursday, November 11, 2021,pdf.exe 3 2->11         started        signatures3 process4 file5 33 Tax payment invoic...1, 2021,pdf.exe.log, ASCII 11->33 dropped 53 Injects a PE file into a foreign processes 11->53 15 Tax payment invoice - Thursday, November 11, 2021,pdf.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 rundll32.exe 18->20         started        signatures11 45 Self deletion via cmd delete 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        25 explorer.exe 2 154 20->25         started        27 explorer.exe 1 141 20->27         started        29 explorer.exe 20->29         started        process12 process13 31 conhost.exe 23->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d/
Threat name:
ByteCode-MSIL.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2021-11-11 11:41:15 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kfdxfj6pi6bg65epznvp4msfr2e7dskakfriodvsbd37kqby2goq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e
Formbook
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
7a2c677533d0dfa9104ae8ff221f1933651349669fef6f26c957cb28199a96d6
Formbook
82adc1ae5adcf8277a595f34021ff3724d380c87a2b03477ef7aa7504b2c6b77
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
973489958412d5278a51536aac60517969126519f59677ec9b2917c727ac832a
Formbook
9f32e72b1695726ee2c6d97c59fde0253f9193ae389efa65ce98869198419702
Formbook
+ 11'105 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:e3rs loader rat suricata
Link:
https://tria.ge/reports/211111-r3kedsgefk/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.0l0.xyz/e3rs/
Unpacked files
SH256 hash:
a928ca4ee461217a58624aaa31afe014a554803e8f61b48efdf1fb3eeaf987b5
MD5 hash:
40a919e7c079a47e5b5f325dfa022625
SHA1 hash:
09d8acf001a7b0766174176e3e0354596a87db83
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/84f9c9f3-aa70-4dcd-bdd6-ccb25b5bc890/
Parent samples :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 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
Link:
https://www.unpac.me/results/84f9c9f3-aa70-4dcd-bdd6-ccb25b5bc890/
SH256 hash:
976e8045b63d8f23a8ae1a424cece2355ea3ae193b765ee6fb331bd0fbd6a7a7
MD5 hash:
427c1e6126c19e014192fc5c38aae812
SHA1 hash:
81458a8a34cbe6222de2238a580bca29c83c4a64
Link:
https://www.unpac.me/results/84f9c9f3-aa70-4dcd-bdd6-ccb25b5bc890/
SH256 hash:
514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d
MD5 hash:
b2e8e22522fce6b959fd306d21e2f4b0
SHA1 hash:
ca28a21f63ee3e8b4abffe14fcfbdd744f050d53
Link:
https://www.unpac.me/results/84f9c9f3-aa70-4dcd-bdd6-ccb25b5bc890/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/514772a7cf47/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/514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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 514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/205001/

Comments