MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84176781043f8f95306328477f7b28fa721f44b1767fe740cbd207233c2a47c6. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 84176781043f8f95306328477f7b28fa721f44b1767fe740cbd207233c2a47c6
SHA3-384 hash: b89853beed4b87e5992743b99124e8f4242d7acad7d0804469a2eb2f76cdf6ea4e5dbddc92d012e27a9d323a843a6fd4
SHA1 hash: 66cabe97357baf824cece3191f59f92ee3fc3019
MD5 hash: 14d1f9fe1739050d297d56b1d848cbb8
humanhash: glucose-vegan-early-oxygen
File name:AWB5889829680.scr
Download: download sample
Signature Formbook
File size:32'256 bytes
First seen:2024-04-03 13:23:30 UTC
Last seen:2024-04-04 05:18:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:MT7lDBcORAwAtAeAtaEExVmTF2uoxF03HjmBAtHzae6j:MhOOm1yfnEmTF2z0KBAtKj
Threatray 324 similar samples on MalwareBazaar
TLSH T19CE21A82B6E86B37D5FD93F519B321101BF1A46B6423D7092DC660DF0A76F4006A2F6B
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 0038e68293927011 (2 x Formbook, 1 x AsyncRAT)
Reporter cocaman
Tags:DHL exe FormBook scr

Intelligence


File Origin
# of uploads :
3
# of downloads :
309
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
84176781043f8f95306328477f7b28fa721f44b1767fe740cbd207233c2a47c6.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 13:55:20 UTC
Tags:
formbook xloader

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found direct / indirect Syscall (likely to bypass EDR)
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
Snort IDS alert for network traffic
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419442 Sample: AWB5889829680.scr.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 32 www.99b6q.xyz 2->32 34 www.xn--matfrmn-jxa4m.se 2->34 36 20 other IPs or domains 2->36 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 5 other signatures 2->50 10 AWB5889829680.scr.exe 15 3 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 32->48 process4 dnsIp5 38 cdn.discordapp.com 162.159.130.233, 443, 49710 CLOUDFLARENETUS United States 10->38 60 Injects a PE file into a foreign processes 10->60 14 AWB5889829680.scr.exe 10->14         started        signatures6 process7 signatures8 62 Maps a DLL or memory area into another process 14->62 17 IDXgIaEzJZZai.exe 14->17 injected process9 dnsIp10 26 www.touchclean.top 67.223.117.189, 49750, 49751, 49753 VIMRO-AS15189US United States 17->26 28 exclaimer342200213.net 84.33.215.91, 49768, 49769, 49770 SERVER24-ASINCUBATECGmbH-SrlIT Italy 17->28 30 9 other IPs or domains 17->30 40 Found direct / indirect Syscall (likely to bypass EDR) 17->40 21 dfrgui.exe 13 17->21         started        signatures11 process12 signatures13 52 Tries to steal Mail credentials (via file / registry access) 21->52 54 Tries to harvest and steal browser information (history, passwords, etc) 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 24 firefox.exe 21->24         started        process14
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2024-04-03 12:24:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
84176781043f8f95306328477f7b28fa721f44b1767fe740cbd207233c2a47c6
MD5 hash:
14d1f9fe1739050d297d56b1d848cbb8
SHA1 hash:
66cabe97357baf824cece3191f59f92ee3fc3019
Detections:
SUSP_PE_Discord_Attachment_Oct21_1 INDICATOR_SUSPICIOUS_EXE_DiscordURL
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Malspam

Formbook

Executable exe 84176781043f8f95306328477f7b28fa721f44b1767fe740cbd207233c2a47c6

(this sample)

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments