MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a683413d05731a6b164b6d9d0bfd9b53b64ab47c0124a4f8047e1f6206e981e1. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: a683413d05731a6b164b6d9d0bfd9b53b64ab47c0124a4f8047e1f6206e981e1
SHA3-384 hash: 3d877e87f7776ad689dc79789ca2b12973e5437d228ce87c4bc0bc07a350cbe602b56949f4f155831e9d407192fae79b
SHA1 hash: 05bf83e3ca5091cf4fcef761cef85c6c82b4b4da
MD5 hash: e162970197de7d7238bb8b06382f60d3
humanhash: hot-moon-fourteen-mexico
File name:SHIPPING-DOCUMENT.exe
Download: download sample
Signature Formbook
File size:106'496 bytes
First seen:2023-11-02 13:23:21 UTC
Last seen:2023-11-02 15:15:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:TxRR8qstorSttNsCrnv4nxEd7/Xs//X/KSLN:17sirSmCrngnc7/s//X/KSL
TLSH T128A3D60BB68B85F1C204DB3AC5DB53D403A4DA92F763D63BB54D23560A037EA990DE4B
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% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
314
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
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
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 has a suspicious name (potential lure to open the executable)
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)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335995 Sample: SHIPPING-DOCUMENT.exe Startdate: 02/11/2023 Architecture: WINDOWS Score: 100 26 www.youngtwin.xyz 2->26 28 www.withintherosegarden.com 2->28 30 15 other IPs or domains 2->30 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 9 other signatures 2->52 10 SHIPPING-DOCUMENT.exe 15 3 2->10         started        signatures3 process4 signatures5 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->54 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Injects a PE file into a foreign processes 10->60 13 aspnet_compiler.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 IEZAZnBuLYmKBhhLb.exe 13->16 injected process8 process9 18 findstr.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Writes to foreign memory regions 18->42 44 3 other signatures 18->44 21 IEZAZnBuLYmKBhhLb.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.youngtwin.xyz 162.0.225.178, 80 NAMECHEAP-NETUS Canada 21->32 34 withintherosegarden.com 162.241.224.215, 49750, 49751, 49752 UNIFIEDLAYER-AS-1US United States 21->34 36 3 other IPs or domains 21->36
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2023-11-02 02:48:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a683413d05731a6b164b6d9d0bfd9b53b64ab47c0124a4f8047e1f6206e981e1
MD5 hash:
e162970197de7d7238bb8b06382f60d3
SHA1 hash:
05bf83e3ca5091cf4fcef761cef85c6c82b4b4da
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:NET
Author:malware-lu
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.

  
Delivery method
Other

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