MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d8a482a05fd92a0186ad2c0f3e77a86740f5c5c7850de4f5ed93e03ed640026. 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 1 File information Comments
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SHA256 hash: 4d8a482a05fd92a0186ad2c0f3e77a86740f5c5c7850de4f5ed93e03ed640026
SHA3-384 hash: b5aebdfc599f32a38f61564a348a1f86cead81d5f70adfb6bb51bd328176d852126b731edf56d624e5f69303913ca9ed
SHA1 hash: cc7c3824f12f268f60f9f4c783e9c31c67819f76
MD5 hash: 9795d152a0b4aa30d09b77ab5eda678e
humanhash: kansas-mexico-seven-beryllium
File name:Swift 76498,pdf.exe
Download: download sample
Signature Formbook
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File size:376'873 bytes
First seen:2021-04-01 13:10:07 UTC
Last seen:2021-04-02 10:27:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 6144:P9X0G87H0ORpDYmEIkBmsKVoL/UI3AoP9:50vPRpDrERss8oLvQu
Threatray 4'500 similar samples on MalwareBazaar
TLSH 6D84F11272A0C4B6CAD4313E4FB6D6B84769DC884C526A0B37D83F4F38FE1970869697
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/130847/
Detection(s):
SecuriteInfo.com.Trojan.Siggen12.64360.7814.8686.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system 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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/665042
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 dropped file
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 381445 Sample: Swift 76498,pdf.exe Startdate: 03/04/2021 Architecture: WINDOWS Score: 100 31 www.856379652.xyz 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 7 other signatures 2->45 11 Swift 76498,pdf.exe 18 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\w4fwxmkayn210ny.dll, PE32 11->29 dropped 55 Maps a DLL or memory area into another process 11->55 15 Swift 76498,pdf.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 familiooo.com 192.185.190.34, 49702, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 bimakunting.com 112.109.21.162, 49706, 80 DATAUTAMA-NET-AS-IDPTDATAUtamaDinamikaID Indonesia 18->35 37 11 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4d8a482a05fd92a0186ad2c0f3e77a86740f5c5c7850de4f5ed93e03ed640026/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2021-04-01 10:28:42 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwfeqkqf7wjkagdk2laphz32qz2a6xc4pbin4t263e7ah3leaata._file
Verdict:
malicious
Label(s):
formbook
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01476f904e668758ea516e84f359d6d0a4d85dadc179a51788a214ea46ff9dec
Formbook
139aff99375e0baaf57ee7e304a07edba35eb7995633d2c38db8819b6b127a30
Formbook
149bc7bb666f2eabcf946822bd316709ddeeef787f059687415f98c71ad47783
Formbook
34066150ffa7efa505b8d2246925cd8a32f83b9609438ae76aa27cef7388054d
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5399fb6324cc620d69fd08e7975f69703e4c754ccb38e19b4e8088d8e9bc2569
Formbook
95eedb3eaf98ec12d5f66609278d43f94e1f635420d413ee0672bbf9434aafa4
Formbook
c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c
Formbook
cf993c713cfe3b22bd4978530f420e2dc54c38d106ad5fc5a9aacb1e377b81e2
Formbook
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
Formbook
fa768e26f300f2c19ef11635dd836b031e0b5352d86d40cdc24284bf874230e7
Formbook
+ 4'490 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210401-v7npcyr4j6/
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.diamondnetworx.com/b8k8/
Unpacked files
SH256 hash:
9a5208e4b5e1a7a6d5e6f02a252d2fd79baff28b66bc4ade72a421486df554c1
MD5 hash:
1dd1267bd975e42913a51617372f8125
SHA1 hash:
c04a6d2c70e44e9e268412601842ca329d19a39e
Link:
https://www.unpac.me/results/e430bae2-4e3e-4625-8f88-15c665e414de/
SH256 hash:
4d8a482a05fd92a0186ad2c0f3e77a86740f5c5c7850de4f5ed93e03ed640026
MD5 hash:
9795d152a0b4aa30d09b77ab5eda678e
SHA1 hash:
cc7c3824f12f268f60f9f4c783e9c31c67819f76
Link:
https://www.unpac.me/results/e430bae2-4e3e-4625-8f88-15c665e414de/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Noon
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/4d8a482a05fd92a0186ad2c0f3e77a86740f5c5c7850de4f5ed93e03ed640026

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/130847/

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