MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 586e65df6337c02078f617bdcbad67cc055c79df2f1c57899789cec1d65a7939. 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 3 File information Comments

SHA256 hash: 586e65df6337c02078f617bdcbad67cc055c79df2f1c57899789cec1d65a7939
SHA3-384 hash: 2f95ff71459a786cca79af3a14548275fb35309bf0c8b401cb34c522acad91701aa9e74a0dacf4e8a2c4b7197882b6c5
SHA1 hash: f7a2f67bcf78acb7389656a2b27472071a8dfdc9
MD5 hash: bf0b99276257adf265da9d2a0ef43cfc
humanhash: east-utah-batman-texas
File name:bf0b99276257adf265da9d2a0ef43cfc.exe
Download: download sample
Signature Formbook
File size:505'344 bytes
First seen:2021-11-24 19:31:45 UTC
Last seen:2021-11-24 21:05:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:1ulw0q/WR0ZEP45YUGwJqHqpm3cNhCS7zqmvJS2H4wv:1unqeRh/UbwHqNTCIzqcrYO
Threatray 11'682 similar samples on MalwareBazaar
TLSH T18FB4025432E5A263C8BD0F36185155801BB2B7412911D75F2DDC2B8E7EBAF8F4B12BA3
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT103_RECEIPT241121.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-24 18:14:51 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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:
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2021-11-24 11:08:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:i8p2 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.denvercouplesclinic.com/i8p2/
Unpacked files
SH256 hash:
c384cfe1573176e997f8d566d0d231168d0ccecbee62037f45f1cc6c182fb770
MD5 hash:
95d0262bca7dfd380362b19660dd3f2c
SHA1 hash:
10e1edbbd1cf6b9721c8c5213eb4bb36be61c322
SH256 hash:
302ac54c94e8bdb12b7fdaeef76e2b936e0294ea5b1ced38c6da51ef50c3067e
MD5 hash:
d1a58ca8f82c480763bfa3205e80b770
SHA1 hash:
7b23287d165b2dae07ead2625bd4e1e525d27a1b
SH256 hash:
4f08f4093d8e8f345fcf973d50099178626d16dc85064ccba95943e58082c76e
MD5 hash:
47202672e368a1656a50d476aedcc734
SHA1 hash:
0894656dbc07e3dacaeccde973bc36f059e22e9a
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
586e65df6337c02078f617bdcbad67cc055c79df2f1c57899789cec1d65a7939
MD5 hash:
bf0b99276257adf265da9d2a0ef43cfc
SHA1 hash:
f7a2f67bcf78acb7389656a2b27472071a8dfdc9
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 586e65df6337c02078f617bdcbad67cc055c79df2f1c57899789cec1d65a7939

(this sample)

  
Delivery method
Distributed via web download

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