MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3336267868da4881a701e2686136401010fed11a273b17cc44abee04fcecafb. 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 1 File information Comments

SHA256 hash: d3336267868da4881a701e2686136401010fed11a273b17cc44abee04fcecafb
SHA3-384 hash: 38514d2cf6cfc4cbce62acc2739fe24abfc7f24467a34a8b3a9063f711154e0d9cce6e0f1a14ef148f212f2cd8f73a99
SHA1 hash: c0ca3d27c11a74a606cb6d62c1fe6bd205df339f
MD5 hash: dfd56a8bdf13a198fd0a5217bdf88737
humanhash: seven-ohio-video-hydrogen
File name:NHHYGGw.exe
Download: download sample
Signature Formbook
File size:321'600 bytes
First seen:2023-01-16 12:48:06 UTC
Last seen:2023-01-20 09:48:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:knpvOjLVJwx8usUBTLH0AB1s3g4XZjBqVw4CupsxBr8qyq4/Icmbq5nmKdif/PuS:knRsJwaRiXUAB121Jqpy5LOITkmKIf/l
Threatray 106 similar samples on MalwareBazaar
TLSH T19E64F1AC3A1074DFCD4FC172A9A85C2DAEB460A69307A283E41341DACB4D75BDF251F6
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
194
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
NHHYGGw.exe
Verdict:
Malicious activity
Analysis date:
2023-01-16 12:48:36 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
Launching a process
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
n/a  -.1/10
Confidence:
100%
Tags:
obfuscated overlay packed
Result
Verdict:
UNKNOWN
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 submitted file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785097 Sample: NHHYGGw.exe Startdate: 16/01/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 4 other signatures 2->40 8 NHHYGGw.exe 1 2->8         started        process3 file4 22 C:\Users\user\AppData\...22HHYGGw.exe.log, CSV 8->22 dropped 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 Injects a PE file into a foreign processes 8->54 12 CasPol.exe 8->12         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Queues an APC in another process (thread injection) 12->62 15 explorer.exe 3 6 12->15 injected process8 dnsIp9 24 www.eco-rasy.com 202.233.66.77, 49686, 80 U-NETSURFUNIADEXLTDJP Japan 15->24 26 www.portmart.online 199.192.31.98, 49693, 49694, 49695 NAMECHEAP-NETUS United States 15->26 28 8 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Uses netstat to query active network connections and open ports 15->32 19 NETSTAT.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 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-16 09:48:51 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
d3336267868da4881a701e2686136401010fed11a273b17cc44abee04fcecafb
MD5 hash:
dfd56a8bdf13a198fd0a5217bdf88737
SHA1 hash:
c0ca3d27c11a74a606cb6d62c1fe6bd205df339f
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_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod

File information


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

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