MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6179a69d0e85480eba50e73b18cea33da9a88d5e36c590d525a7b0474e7c2e07. 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 3 File information Comments

SHA256 hash: 6179a69d0e85480eba50e73b18cea33da9a88d5e36c590d525a7b0474e7c2e07
SHA3-384 hash: 6e0685a8b1880f0f308f63b58d15712aaae4b9b261ff977b7448a886dbfe8fe50a79368fc60c3fceb2ce5c4f2c6eddd0
SHA1 hash: 031480f95dbc8c2b58a6d192b45adf5d653de062
MD5 hash: a62dadf46a2d22e707b4705c1cc92281
humanhash: video-low-indigo-jupiter
File name:a62dadf46a2d22e707b4705c1cc92281.exe
Download: download sample
Signature Formbook
File size:13'604'864 bytes
First seen:2023-04-04 07:55:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 393216:ux993vZbUVfmtcnchFozom8x3KUgBGTALH3EqPo3MoYLZIeO:ux99fZoVOHzS0x3KUgk8VguZIR
Threatray 608 similar samples on MalwareBazaar
TLSH T119D6337D247E4CA9CF743AB911B207C161FDE06D835A3EE730F9AC01EB846D66967860
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 abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Formbook C2:
124.120.53.223:4782

Intelligence


File Origin
# of uploads :
1
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a62dadf46a2d22e707b4705c1cc92281.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 08:00:58 UTC
Tags:
evasion

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

Behaviour
Running batch commands
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat packed zilla
Result
Verdict:
MALICIOUS
Malware family:
ModernLoader
Verdict:
Malicious
Result
Threat name:
Quasar, XWorm
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates a thread in another existing process (thread injection)
Drops executables to the windows directory (C:\Windows) and starts them
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)
May check the online IP address of the machine
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
Renames powershell.exe to bypass HIPS
Sample uses process hollowing technique
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Very long command line found
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 840752 Sample: 5rIuV7bm6g.exe Startdate: 04/04/2023 Architecture: WINDOWS Score: 100 77 whitelist.ddns.net 2->77 79 windowsupdatebg.s.llnwi.net 2->79 81 ipwho.is 2->81 95 Snort IDS alert for network traffic 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 Antivirus / Scanner detection for submitted sample 2->99 101 15 other signatures 2->101 10 5rIuV7bm6g.exe 4 2->10         started        13 $sxr-nircmd.exe 2->13         started        16 $sxr-powershell.exe 5 2->16         started        signatures3 process4 file5 65 C:\Users\user\AppData\...\$sxr-Adobe.exe, PE32 10->65 dropped 67 C:\Users\user\AppData\...\5rIuV7bm6g.exe.log, CSV 10->67 dropped 18 cmd.exe 2 10->18         started        22 $sxr-Adobe.exe 14 2 10->22         started        25 dllhost.exe 10->25         started        125 Drops executables to the windows directory (C:\Windows) and starts them 13->125 27 $sxr-nircmd.exe 13->27         started        29 conhost.exe 16->29         started        signatures6 process7 dnsIp8 63 C:\Users\user\AppData\Roaming\cmd.bat.exe, PE32+ 18->63 dropped 103 Uses ping.exe to sleep 18->103 105 Uses ping.exe to check the status of other devices and networks 18->105 107 Renames powershell.exe to bypass HIPS 18->107 31 cmd.bat.exe 1 25 18->31         started        35 conhost.exe 18->35         started        83 ip-api.com 208.95.112.1, 49697, 80 TUT-ASUS United States 22->83 109 Antivirus detection for dropped file 22->109 111 Multi AV Scanner detection for dropped file 22->111 113 May check the online IP address of the machine 22->113 115 2 other signatures 22->115 37 WerFault.exe 21 9 22->37         started        39 cmd.exe 27->39         started        file9 signatures10 process11 file12 69 C:\Windows\System32\vcruntime140d.dll, PE32+ 31->69 dropped 71 C:\Windows\System32\vcruntime140_1d.dll, PE32+ 31->71 dropped 73 C:\Windows\System32\ucrtbased.dll, PE32+ 31->73 dropped 75 2 other files (1 malicious) 31->75 dropped 87 Suspicious powershell command line found 31->87 89 Very long command line found 31->89 91 Drops executables to the windows directory (C:\Windows) and starts them 31->91 93 5 other signatures 31->93 41 dllhost.exe 31->41         started        44 cmd.exe 31->44         started        46 $sxr-powershell.exe 31->46         started        48 dllhost.exe 31->48         started        50 conhost.exe 39->50         started        signatures13 process14 signatures15 117 Writes to foreign memory regions 41->117 119 Creates a thread in another existing process (thread injection) 41->119 121 Injects a PE file into a foreign processes 41->121 52 winlogon.exe 41->52 injected 54 lsass.exe 41->54 injected 123 Uses ping.exe to sleep 44->123 56 PING.EXE 44->56         started        59 conhost.exe 44->59         started        61 taskkill.exe 44->61         started        process16 dnsIp17 85 192.168.2.1 unknown unknown 56->85
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Status:
Malicious
First seen:
2023-03-31 06:24:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Suspicious use of NtCreateUserProcessOtherParentProcess
Xworm
Malware Config
C2 Extraction:
45.130.141.212:7000
Unpacked files
SH256 hash:
d304c4b8392293fed68620d9ee2e62de2da85c555d2dddb997357b2ee481b96d
MD5 hash:
f5e52f7f8f9df4f2d7588d3147a26fff
SHA1 hash:
7e65f746397483181a6b008196085038b1d4057c
SH256 hash:
6179a69d0e85480eba50e73b18cea33da9a88d5e36c590d525a7b0474e7c2e07
MD5 hash:
a62dadf46a2d22e707b4705c1cc92281
SHA1 hash:
031480f95dbc8c2b58a6d192b45adf5d653de062
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
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information


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

Comments