MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3
SHA3-384 hash: 889a8d1a1851ea82c503c4dbafbee54544407d0c6def2a91abb79d99c9ffd244aa2304dce28643c524fa9c10d53e3d7b
SHA1 hash: 336593e49657a9f1891b8d375fbc2df06069b4b7
MD5 hash: 4cfd99311876fa9a0bada7dba402b039
humanhash: east-maine-california-florida
File name:SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.32348.31473
Download: download sample
Signature Formbook
Create hunting rule
File size:794'624 bytes
First seen:2023-12-04 18:29:00 UTC
Last seen:2023-12-04 19:25:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:DfYNr4RLRExP45+po2JphiLCWBmryujMZwvj3KhyaV/u96qCQshkuX+24Pdt:hEk+pJdi2WOyuIZwvOQM9qCQskuO2u
TLSH T1F5F4DF1862F91F59D47A67F482A4060103F73A9A613BE34D6DC9E0D73E75B020E1BB6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/462426/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.32348.31473.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656e1ab03c6ae873fb882cb2/reports/83ccf09c-69b6-4e91-b9f2-793d260840d6/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/89fe860f-0519-4c5f-a7e6-4630e296ec94
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1353417
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 18:30:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5u3gnxlxc6yirrlo2ur3a4tnop43c7jaihhapa4mpsf4ukpe4xjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ui23 rat spyware stealer trojan
Link:
https://tria.ge/reports/231204-w4wahaeb6y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
d3fa9d3f5b96553421b7f68df18a9d1360dbe35a80ff46bfa7d1f55233c10d77
MD5 hash:
ff1d467cc897093cdbc8cbe5c70586cd
SHA1 hash:
258160d1ecbd0da5554f3eb237ab29aa88ef1c75
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/abfe897b-c562-44da-ae44-a4a37179bf44/
Parent samples :
f3c42aee968cbb44e74f5f1c0d327668532c8d3739f70f02a4ff61ee652a2d31
7d3b18c39d3639ad23c44c26f01902954b589f0e4657806f22a512246fa8ee56
63e6f72454c13a1384aaf3eb5808a8e886bd0fa100ffe633d5d27ae24c5bc1ac
8ab34111f357482c7c1a01baf14706b2c596945d8657de988344caa1cd66c86d
5e172b1497a76076f9ca46f345383aad816d90c2c8799a7ec3520a85f38c2bdd
f419289ce6729bf9a7f90345784cc401855b13aded8d1968a1cce5a3e21268c4
032b1e0d5f7ccba48a546bc495c919ed0820cade8af61b0368dfc17c8cec6b38
432b45a1dc6f64167c65b55c1e2333f4884b1bc65952f5b3202e7317ac5d54ab
977649dac5dc9b83379b99ac67769d94ef4af83417d471c2d8729808ce0fccc5
9d0c10331d40a7cbeda5f8e93f7314ff0930b7e0338bcd113de8392c0e09091d
99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3
ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3
a3a8b21586cf15fb1113fc72dd40f25be6c60ec3f823bc023e783a789a9b15c3
8fab6fc296f376b14d5e8e1d574338582febd49051a3e385b09a18e52850ff43
80f1abd5006e75632ccce2516b48be9abf23a9bf80a4dceeee1b73a6b7251b3a
SH256 hash:
0e632a46a8f54a2d0d277035b83df6e626ccdbee60b422f675f93f863e58666b
MD5 hash:
b306e84f5926d3fd89812e3737ebde95
SHA1 hash:
592f9b8fabacdd9480cc89d90254b1c63adcece2
Link:
https://www.unpac.me/results/abfe897b-c562-44da-ae44-a4a37179bf44/
SH256 hash:
8a274fbce34f2153b2ed788c7699d7f5d4de4999c2a05fd566135cad76d6654a
MD5 hash:
61ca2fc479e9a42807a9118fb53264d6
SHA1 hash:
1483ba08e00fb4ed48fb0c6a1fa4b48762088674
Link:
https://www.unpac.me/results/abfe897b-c562-44da-ae44-a4a37179bf44/
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
Link:
https://www.unpac.me/results/abfe897b-c562-44da-ae44-a4a37179bf44/
SH256 hash:
ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3
MD5 hash:
4cfd99311876fa9a0bada7dba402b039
SHA1 hash:
336593e49657a9f1891b8d375fbc2df06069b4b7
Link:
https://www.unpac.me/results/abfe897b-c562-44da-ae44-a4a37179bf44/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/462426/

Comments