MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c6c6d26b853d44fc189e67eaa4f65e440d6ee75ac8a5bde95ccc73b0b611c2a. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: 4c6c6d26b853d44fc189e67eaa4f65e440d6ee75ac8a5bde95ccc73b0b611c2a
SHA3-384 hash: 458bb34eae3220a168f679e0ec8a83dcff3bf63c28793b5962ae2166599b5f149abd157cdff9f52542fbcfbd6349365e
SHA1 hash: 264b5098a6d687e7ace07ac3e4818fb0aa8d58a6
MD5 hash: 255d50ebce09999f8bc2bcd85b48deb3
humanhash: bulldog-purple-pennsylvania-wolfram
File name:00098765434500987654323490000.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:13'312 bytes
First seen:2022-03-11 09:43:31 UTC
Last seen:2022-03-14 12:10:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:U3sP6a+DnH9efdtUiiay9ycyrsR2vZstdt:IHgdYycyrsR2vZstdt
Threatray 14'520 similar samples on MalwareBazaar
TLSH T16B522BA1A7ACCAF9DC690ABA1CF346111A75B356D4164E1F75CD730FAC2360608B2B37
File icon (PE):PE icon
dhash icon 64f4d4d4ecf4d4d4 (82 x SnakeKeylogger, 34 x AgentTesla, 24 x Formbook)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/249361/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39191430.14516.16975.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/622b19eddfdfa8501c8b0540/reports/974302f5-ce05-4e34-95c2-b956760f42a3/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4451ff2a-a700-4353-b82f-19c59fc0b1ba
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/954779
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 587260 Sample: 00098765434500987654323490000.exe Startdate: 11/03/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 7 other signatures 2->39 10 00098765434500987654323490000.exe 15 3 2->10         started        process3 dnsIp4 31 kotadiainc.com 103.50.162.146, 443, 49747 PUBLIC-DOMAIN-REGISTRYUS India 10->31 29 C:\...\00098765434500987654323490000.exe.log, ASCII 10->29 dropped 47 Writes to foreign memory regions 10->47 49 Injects a PE file into a foreign processes 10->49 15 MSBuild.exe 10->15         started        file5 signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 15->51 53 Maps a DLL or memory area into another process 15->53 55 Sample uses process hollowing technique 15->55 57 2 other signatures 15->57 18 explorer.exe 15->18 injected process9 process10 20 help.exe 18->20         started        23 autofmt.exe 18->23         started        signatures11 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c6c6d26b853d44fc189e67eaa4f65e440d6ee75ac8a5bde95ccc73b0b611c2a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-03-11 09:44:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrwg2jvykpke7qmj4z7kut3f4rann3tvvsffxxuvztdtwc3bdqva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
30eca50cfb9de3391b755191b2e3e3d048222fd7b1af995cc089c49258b44610
Formbook
35b9a28eb1037b1792db91b28257ac604ff7de9a12dd93f9ae658e73cbd97fdb
Formbook
38444024682d6ea391135d374ecd6f457bb01df512801e25fcbd2931afe58d92
Formbook
3a4c026f2e3c450b18931610d6a795ffe504c41ca1d4bf7d26c5a7a57abcf389
Formbook
3b10fd5bae448476e22cca9c4b9b12263c089af68ebfeb7159ddaf2f4ec3e7bc
Formbook
54d3a5ab9cf83b63a50a382b1f3fe4f2bdc03620744b9ecdee74723415fccd9d
Formbook
a608c335a71c2d4e38ce67af529bf6e9bdc84555cdce0269eae7d5539fa33549
Formbook
cee2290e27d378faacd5a9ab5fc579e912c1ecee9db29e4e79d8b9cd7ee10c94
Formbook
dae8588b604d0728a1a1ecc77096197a34ed1b22ae7de69a53f39b59e6574ffd
Formbook
e812adcd8f8470a1be64d92dafaebf717db1c45d58fe04a9160d88a468cf7e3c
Formbook
+ 14'510 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pot0 loader rat suricata
Link:
https://tria.ge/reports/220311-lqjz7sbhhq/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4c6c6d26b853d44fc189e67eaa4f65e440d6ee75ac8a5bde95ccc73b0b611c2a
MD5 hash:
255d50ebce09999f8bc2bcd85b48deb3
SHA1 hash:
264b5098a6d687e7ace07ac3e4818fb0aa8d58a6
Link:
https://www.unpac.me/results/1816339d-e716-48c0-850b-ad2741eac808/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4c6c6d26b853/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4c6c6d26b853d44fc189e67eaa4f65e440d6ee75ac8a5bde95ccc73b0b611c2a

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: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

zip 1c55fbef2f04462f10f440ce6c2e3eacb987ffbdeb3cb5adfe92b566f98a65cf

Formbook

Executable exe 4c6c6d26b853d44fc189e67eaa4f65e440d6ee75ac8a5bde95ccc73b0b611c2a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1c55fbef2f04462f10f440ce6c2e3eacb987ffbdeb3cb5adfe92b566f98a65cf
Cape
Cape
https://www.capesandbox.com/analysis/249361/

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