MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 721eee38b9c975862181aac88a3b7ff58666f4eae5db7b8b3eaf37d13fa4eb16. 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 2 File information Comments

SHA256 hash: 721eee38b9c975862181aac88a3b7ff58666f4eae5db7b8b3eaf37d13fa4eb16
SHA3-384 hash: e989d8c4f4060262b5014035ca4eeb6d9e8dd647e1026c59d872ed0dad35b5e8b8c1cf8c3c970e1ad53c790d340e40ab
SHA1 hash: 9bd2240162e6621bd269106521825d1c0fdc7b32
MD5 hash: 6121a6ac602201070b58deae1d13b838
humanhash: echo-wolfram-december-bakerloo
File name:721eee38b9c975862181aac88a3b7ff58666f4eae5db7b8b3eaf37d13fa4eb16
Download: download sample
Signature Formbook
File size:944'128 bytes
First seen:2022-10-07 10:39:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:oBrdV7uikFgh/TFnQDKuMdMlErCfrTpMYqAwf/itWg3JzFEsbuTSxe2h:oXlubghBQLhS3I5luYe
TLSH T12815E0242632C50BC86AA174DCD3E2B05EA85DC5866FC24B0DDC7DBBF63B25C69D13A1
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71e086a69e8ee071 (9 x Formbook, 8 x Loki, 7 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
721eee38b9c975862181aac88a3b7ff58666f4eae5db7b8b3eaf37d13fa4eb16
Verdict:
No threats detected
Analysis date:
2022-10-07 10:39:28 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 718205 Sample: sNSFnUIo2a.exe Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 31 www.phawaysafe.com 2->31 33 www.azino777club4.xyz 2->33 35 2 other IPs or domains 2->35 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 9 sNSFnUIo2a.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\sNSFnUIo2a.exe.log, ASCII 9->23 dropped 57 Injects a PE file into a foreign processes 9->57 13 sNSFnUIo2a.exe 9->13         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 16 explorer.exe 13->16 injected process9 dnsIp10 25 thecropok.com 162.240.46.240, 49727, 49728, 80 UNIFIEDLAYER-AS-1US United States 16->25 27 royalsprospects.com 50.87.146.94, 49709, 49710, 80 UNIFIEDLAYER-AS-1US United States 16->27 29 22 other IPs or domains 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 39 Performs DNS queries to domains with low reputation 16->39 20 rundll32.exe 13 16->20         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51 53 Deletes itself after installation 20->53 55 2 other signatures 20->55
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-09-14 03:20:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:eauu rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
27eb7053ea0b178f86c9299e3ea2bf018e2e69aa6f3329e1193c410e009eb582
MD5 hash:
aee3696c9c44154e3430b98f524e7260
SHA1 hash:
d269bac865fd37955bc527f14ec02913783d914f
SH256 hash:
731bd43475111341ca7b1e3dd1f33565c4aaeb06b0bb0e9e6c1757fbd36fca4b
MD5 hash:
fc643bfea9cac35f39c56067f6e211e2
SHA1 hash:
5b2373edeb9bde5f134174a2376705b1159032a3
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
721eee38b9c975862181aac88a3b7ff58666f4eae5db7b8b3eaf37d13fa4eb16
MD5 hash:
6121a6ac602201070b58deae1d13b838
SHA1 hash:
9bd2240162e6621bd269106521825d1c0fdc7b32
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: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.

Comments