MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b590e52e52d0d4f86e73e6248acb8b5cb8f4cb6cf2e6607aef2e599cf40c6c9. 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

SHA256 hash: 8b590e52e52d0d4f86e73e6248acb8b5cb8f4cb6cf2e6607aef2e599cf40c6c9
SHA3-384 hash: 28bba75d48b5ac818a34c18d596ebe1d09f08557f002302bcf6b5e41409877550dd022876f07810bf585e976baf7ea6c
SHA1 hash: d301d608051f68c139128336f25888e958b55baa
MD5 hash: 8e69e96912a35ef72e0270ec2b3406c6
humanhash: alpha-steak-emma-nuts
File name:8b590e52e52d0d4f86e73e6248acb8b5cb8f4cb6cf2e6607aef2e599cf40c6c9
Download: download sample
Signature Formbook
File size:991'744 bytes
First seen:2023-03-08 12:54:17 UTC
Last seen:2023-03-08 14:31:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:Gfrgpk1/tX0BhzdbPF/pqZWejVC/6R03HGP7a:GkpQ8hzdXqZ5JDRS
Threatray 2'188 similar samples on MalwareBazaar
TLSH T158256A3B07A81AD2DFB4E2BEDA44ED48FBE09542F555CD4E19C208971853A0329DBCDE
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
219
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8b590e52e52d0d4f86e73e6248acb8b5cb8f4cb6cf2e6607aef2e599cf40c6c9
Verdict:
Malicious activity
Analysis date:
2023-03-08 12:53:20 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
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolkek packed ransomware
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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 signatures2 2 Behavior Graph ID: 822310 Sample: sgK6Q5E4s9.exe Startdate: 08/03/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Multi AV Scanner detection for domain / URL 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 6 other signatures 2->40 8 sgK6Q5E4s9.exe 3 2->8         started        process3 file4 22 C:\Users\user\AppData\...\sgK6Q5E4s9.exe.log, ASCII 8->22 dropped 50 Injects a PE file into a foreign processes 8->50 12 sgK6Q5E4s9.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 3 1 12->15 injected process8 dnsIp9 24 www.117ygh9x.com 154.94.150.137, 49698, 49699, 80 ROOTNETWORKSUS Seychelles 15->24 26 www.againstthealgorith.com 81.17.29.147, 49702, 49703, 80 PLI-ASCH Switzerland 15->26 28 10 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Performs DNS queries to domains with low reputation 15->32 19 msiexec.exe 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Deletes itself after installation 19->46 48 2 other signatures 19->48
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2023-01-12 23:57:18 UTC
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
7f884a07907c27a1521dc2e997ac312539a9c79715e5a0c720d9c1910a2250ff
MD5 hash:
d3fa9cfd1634bbd430af04a4e27de4ce
SHA1 hash:
a831ac2356b589c383401d4a8648ac61b0d0af41
SH256 hash:
785baafab78f27a85631dfe4ba25d789a496c234510c457aa5199f9bebf44dcf
MD5 hash:
e41c03019d506c635013b6724bd06916
SHA1 hash:
74ad02149d832de025bfd4cfd958168a495fe44b
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
SH256 hash:
8b590e52e52d0d4f86e73e6248acb8b5cb8f4cb6cf2e6607aef2e599cf40c6c9
MD5 hash:
8e69e96912a35ef72e0270ec2b3406c6
SHA1 hash:
d301d608051f68c139128336f25888e958b55baa
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