MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343
SHA3-384 hash: 28cb6550e752ebbdaa06bd4ccc6a50b0fb10ebb93c8394cd8da0fdd4322adb614e46005896e82ee5225268ec14857863
SHA1 hash: e21d4d9a20e80be6f9310bfc281bd2c8819d2f57
MD5 hash: c84db8be1abc6b5c4fe423a2425c9ad6
humanhash: twelve-florida-mountain-timing
File name:DELIVERY DOCUMENTS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:802'816 bytes
First seen:2022-02-17 07:28:12 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:Mp49sasV0f1YP+8xQ7sv2mLFW84VzRUzwNS+BHKYR/wimTE:A491sWYWOQ0LFWTVzuzExBHKN
TLSH T13C056AF831F3E179C81582BAA920BC305BF0CDAAC961E9A59CDCF8F48174EE51B51617
File icon (PE):PE icon
dhash icon 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242175/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/620df911a2660f3bb9ee4e3a/reports/f102a2a2-4271-4a6c-b0fd-9a78f6a50d63/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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941437
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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: 573917 Sample: DELIVERY DOCUMENTS.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 34 www.wain3x.com 2->34 36 www.lovingearthbotanicals.com 2->36 38 3 other IPs or domains 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 12 other signatures 2->48 11 DELIVERY DOCUMENTS.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\...\DELIVERY DOCUMENTS.exe.log, ASCII 11->32 dropped 58 Injects a PE file into a foreign processes 11->58 15 DELIVERY DOCUMENTS.exe 11->15         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 18 explorer.exe 15->18 injected process9 process10 20 wscript.exe 18->20         started        signatures11 50 Self deletion via cmd delete 20->50 52 Modifies the context of a thread in another process (thread injection) 20->52 54 Maps a DLL or memory area into another process 20->54 56 Tries to detect virtualization through RDTSC time measurements 20->56 23 explorer.exe 1 127 20->23         started        26 cmd.exe 1 20->26         started        28 explorer.exe 1 155 20->28         started        process12 dnsIp13 40 192.168.2.1 unknown unknown 23->40 30 conhost.exe 26->30         started        process14
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 03:53:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrvgcnih3egtglrnjv7zdr6c54ytlzde4wjxwhnbvhcposksqnbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:zqzw loader rat
Link:
https://tria.ge/reports/220217-jasw3aaeh7/
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
79ae0b03c7fb13f978ce4d5240f8ac11d7df67fa21d870dd77fc7566685c2ec2
MD5 hash:
b1e1ec5c090c44cf46751f1a1ec609b6
SHA1 hash:
ae8c65bfa078322b1f6ff8fec4361373edaf01a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b28affa5-e0c2-422a-bf8b-3bc9b9403306/
Parent samples :
82ca37f8d0b630ec22f7b60a7ce6e5e8490ca703f240b0db10b2e6e014c5d4ab
e8232a6b14f66804622f2ea2bfd8c2d8bfe5eef292f664c5801844b96a84d125
2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac
fa0c54af42af10dbb34626554f789c0d00d392a6bca0017f97babda9e17ef785
ed99b5652455f1287171fd7d49a5ac69add7ed72a08712d4c66f6474fd094615
08e2b0e469f2809991e59e65177fe994f3aeeea601a2af8aec6c7ae1406debb0
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93
3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343
c0a5470477f1ef65286a66e14b46c02b71c41eabc473b9885fbe7911844d90b7
SH256 hash:
e5fee6279cb10fe25a8db913ed8f5cabd05c9bbd72adee17b9cfe7ae82a21d87
MD5 hash:
ba52b3b698367e814203fa7f391009a0
SHA1 hash:
c537215f5ea90240d6c3c4454f6791b1f3afc578
Link:
https://www.unpac.me/results/b28affa5-e0c2-422a-bf8b-3bc9b9403306/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/b28affa5-e0c2-422a-bf8b-3bc9b9403306/
SH256 hash:
3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343
MD5 hash:
c84db8be1abc6b5c4fe423a2425c9ad6
SHA1 hash:
e21d4d9a20e80be6f9310bfc281bd2c8819d2f57
Link:
https://www.unpac.me/results/b28affa5-e0c2-422a-bf8b-3bc9b9403306/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343

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
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 3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242175/

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