MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: 66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e
SHA3-384 hash: 96be83ad412a18bdad8918ef501f08258654209a9d5b193284a0acaea34bf3bb773fe1e04022f78140128736ef0561c0
SHA1 hash: 5a732449aded6f18071dc053ba23031effd9ce1a
MD5 hash: d2416ffd6622325de15094f298d46498
humanhash: autumn-emma-pennsylvania-cup
File name:shipping docs 07853 draft CI+PL_pdf.exe
Download: download sample
Signature Formbook
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File size:414'720 bytes
First seen:2021-10-29 05:29:23 UTC
Last seen:2021-10-29 11:20:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:ieQvDpuyQGco0XgOz1VmPD9UM+uzGNgrAo0QgS1ShMCI9LPpT9CTw:iPQ00wEeRF+uz2/o0uCa59
Threatray 10'961 similar samples on MalwareBazaar
TLSH T18794E001B3E9575AD6BD93F8247711401BB6786BB131CB0E4E8630DE6AB2F814E51FA3
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Result
Verdict:
UNKNOWN
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/1750cf18-e1f3-4fcc-8c8c-d6ce07bdc8ac
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879024
Signature
.NET source code contains potential unpacker
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
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 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: 511457 Sample: shipping docs 07853 draft C... Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 31 www.theveganfusspot.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 shipping docs 07853 draft CI+PL_pdf.exe 3 2->11         started        signatures3 process4 file5 29 shipping docs 0785...t CI+PL_pdf.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 shipping docs 07853 draft CI+PL_pdf.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.straightii.com 198.50.252.64, 49794, 80 OVHFR Canada 18->33 35 www.tucochepordinero.net 82.98.135.44, 49793, 80 DINAHOSTING-ASES Spain 18->35 37 10 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e/
Threat name:
ByteCode-MSIL.Trojan.Taskun
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Status:
Malicious
First seen:
2021-10-29 02:25:50 UTC
AV detection:
6 of 44 (13.64%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3v4fo5pr2qhx2miztrjmvbntyox2jh37zcshckl7vniyrdukaxa._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
26506e7d3f4821066fc1989a5c79afb4d1a316aa428f9e4a920644d93a80b495
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
3f95e7795f8c0b70983561a48425e735ef7832603543980f460b1356403ec622
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
Formbook
+ 10'951 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:bs8f loader rat
Link:
https://tria.ge/reports/211029-f66agscfa7/
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
Malware Config
C2 Extraction:
http://www.rwilogisticsandbrokerage.com/bs8f/
Unpacked files
SH256 hash:
437f71eeac365ed438585d7f81b4aad3fc2728bcb08984b584d8e1dc9b953951
MD5 hash:
717be70bab2a5981683648761ff810f6
SHA1 hash:
bb8dee942ce1f5de1aedf3d6ac404ae1bce28497
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/750e21b1-a323-4acc-a2eb-fca8363bf407/
Parent samples :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 hash:
9cdcb1ee2a871eab18dcfd82c9ecaf9f5ce3faebb2b601cc3f299723852dfe32
MD5 hash:
b9b302a0a214b699f435688681a9194e
SHA1 hash:
3dc9a6a3a114740c04b530d1b10a867ff63ff1e4
Link:
https://www.unpac.me/results/750e21b1-a323-4acc-a2eb-fca8363bf407/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/750e21b1-a323-4acc-a2eb-fca8363bf407/
SH256 hash:
66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e
MD5 hash:
d2416ffd6622325de15094f298d46498
SHA1 hash:
5a732449aded6f18071dc053ba23031effd9ce1a
Link:
https://www.unpac.me/results/750e21b1-a323-4acc-a2eb-fca8363bf407/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/66ebc2bbaf8e/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/66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e

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
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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 66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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