MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e4ca12811ae20874923d590e85c6e0a4c591fa3dfe754cce7c47433b713b9c8. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: 8e4ca12811ae20874923d590e85c6e0a4c591fa3dfe754cce7c47433b713b9c8
SHA3-384 hash: 39382e2fc533a24fc38fdf62cef2d8a7ae2dfee7509b85dc489480b3bd26bb149b317ffc96891b7c9cabe6449b791796
SHA1 hash: 59cece6df8422b80b4a8e93199584fb73ab36f23
MD5 hash: d1e3fd66ad9d3f486ada819177faa8c6
humanhash: georgia-zulu-arkansas-pluto
File name:d1e3fd66ad9d3f486ada819177faa8c6
Download: download sample
Signature Formbook
File size:183'296 bytes
First seen:2022-01-23 21:41:29 UTC
Last seen:2022-01-23 23:46:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:9Nf77B7bFH7XcksAY7ooovoycKyKyKyKyKyKy9uC7CvvvvvvlOUSTNmlOC:9Nf77BeklYh111111mOUjd
Threatray 12'166 similar samples on MalwareBazaar
TLSH T1B10476E872D1E279F811CF3D1A207C7177B509ABCC719D19A9ACEEF0C520EAE1B21945
File icon (PE):PE icon
dhash icon 108088888c888010 (6 x AgentTesla, 3 x SnakeKeylogger, 3 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d1e3fd66ad9d3f486ada819177faa8c6
Verdict:
Malicious activity
Analysis date:
2022-01-23 21:52:54 UTC
Tags:
trojan formbook stealer

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

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect virtualization through RDTSC time measurements
Uses ping.exe to check the status of other devices and networks
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 558422 Sample: wgmZoQcxJB Startdate: 23/01/2022 Architecture: WINDOWS Score: 100 69 yahoo.com 2->69 71 asishmadinenish.com 2->71 91 Malicious sample detected (through community Yara rule) 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 Yara detected FormBook 2->95 97 3 other signatures 2->97 12 wgmZoQcxJB.exe 16 7 2->12         started        signatures3 process4 dnsIp5 81 asishmadinenish.com 181.215.246.65, 49764, 49832, 80 ASN-XTUDIONETES Chile 12->81 63 C:\Users\user\AppData\Roaming\...\update..exe, PE32 12->63 dropped 65 C:\Users\user\...\update..exe:Zone.Identifier, ASCII 12->65 dropped 67 C:\Users\user\AppData\...\wgmZoQcxJB.exe.log, ASCII 12->67 dropped 115 Encrypted powershell cmdline option found 12->115 117 Injects a PE file into a foreign processes 12->117 17 wgmZoQcxJB.exe 1 5 12->17         started        20 powershell.exe 9 12->20         started        file6 signatures7 process8 file9 59 C:\Users\user\AppData\...\FB_5399.tmp.exe, PE32 17->59 dropped 61 C:\Users\user\AppData\...\FB_4A03.tmp.exe, PE32 17->61 dropped 23 FB_5399.tmp.exe 17->23         started        26 FB_4A03.tmp.exe 2 17->26         started        99 Uses ping.exe to check the status of other devices and networks 20->99 28 PING.EXE 1 20->28         started        31 PING.EXE 1 20->31         started        33 PING.EXE 1 20->33         started        35 3 other processes 20->35 signatures10 process11 dnsIp12 101 Antivirus detection for dropped file 23->101 103 Multi AV Scanner detection for dropped file 23->103 105 Machine Learning detection for dropped file 23->105 107 4 other signatures 23->107 37 explorer.exe 23->37 injected 83 98.137.11.163 YAHOO-GQ1US United States 31->83 85 74.6.143.25 YAHOO-3US United States 33->85 87 yahoo.com 74.6.231.21 YAHOO-NE1US United States 35->87 89 98.137.11.164 YAHOO-GQ1US United States 35->89 signatures13 process14 process15 39 update..exe 1 37->39         started        42 update..exe 37->42         started        signatures16 109 Multi AV Scanner detection for dropped file 39->109 111 Machine Learning detection for dropped file 39->111 113 Encrypted powershell cmdline option found 39->113 44 powershell.exe 39->44         started        46 powershell.exe 42->46         started        process17 process18 48 conhost.exe 44->48         started        50 PING.EXE 46->50         started        53 PING.EXE 46->53         started        55 PING.EXE 46->55         started        57 conhost.exe 46->57         started        dnsIp19 73 yahoo.com 50->73 75 74.6.143.26 YAHOO-3US United States 53->75 77 yahoo.com 53->77 79 yahoo.com 55->79
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Status:
Malicious
First seen:
2022-01-21 07:50:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
28 of 43 (65.12%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oh75 persistence rat spyware stealer trojan
Behaviour
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
8e4ca12811ae20874923d590e85c6e0a4c591fa3dfe754cce7c47433b713b9c8
MD5 hash:
d1e3fd66ad9d3f486ada819177faa8c6
SHA1 hash:
59cece6df8422b80b4a8e93199584fb73ab36f23
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.

Web download

Formbook

Executable exe 8e4ca12811ae20874923d590e85c6e0a4c591fa3dfe754cce7c47433b713b9c8

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-01-23 21:41:31 UTC

url : hxxp://asishmadinenish.com/2093536612807.exe