Edit tour
Windows
Analysis Report
NdYuOgHbM9.exe
Overview
General Information
Sample name: | NdYuOgHbM9.exerenamed because original name is a hash value |
Original sample name: | 1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe |
Analysis ID: | 1438237 |
MD5: | 664eddacb00d2d58f85cdc2913a1680e |
SHA1: | 3dfce1917291ff78513dba84e8ac715700d814d7 |
SHA256: | 1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee |
Tags: | exe |
Infos: | |
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Disables UAC (registry)
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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
AV process strings found (often used to terminate AV products)
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
IP address seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
One or more processes crash
PE file does not import any functions
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Sigma detected: Powershell Defender Exclusion
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
- NdYuOgHbM9.exe (PID: 2060 cmdline:
"C:\Users\ user\Deskt op\NdYuOgH bM9.exe" MD5: 664EDDACB00D2D58F85CDC2913A1680E) - conhost.exe (PID: 3548 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 1856 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\Des ktop\NdYuO gHbM9.exe" -Force MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 5964 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WmiPrvSE.exe (PID: 7404 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) - notepad.exe (PID: 6608 cmdline:
"C:\Window s\System32 \notepad.e xe" MD5: 27F71B12CB585541885A31BE22F61C83) - ngen.exe (PID: 7212 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\nge n.exe" MD5: 417D6EA61C097F8DF6FEF2A57F9692DF) - tyVvDSdgzXcAfzWUYqtqOHNMkF.exe (PID: 6044 cmdline:
"C:\Progra m Files (x 86)\sXZLxx xVCvpdQOMp msJLTDHHUK eepOfvgbaN CsuUxLUHfD BqRMOvfXsp ILySfYOM\t yVvDSdgzXc AfzWUYqtqO HNMkF.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - sfc.exe (PID: 7660 cmdline:
"C:\Window s\SysWOW64 \sfc.exe" MD5: 4D2662964EF299131D049EC1278BE08B) - tyVvDSdgzXcAfzWUYqtqOHNMkF.exe (PID: 2132 cmdline:
"C:\Progra m Files (x 86)\sXZLxx xVCvpdQOMp msJLTDHHUK eepOfvgbaN CsuUxLUHfD BqRMOvfXsp ILySfYOM\t yVvDSdgzXc AfzWUYqtqO HNMkF.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - firefox.exe (PID: 7956 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) - ngen.exe (PID: 7224 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\nge n.exe" MD5: 417D6EA61C097F8DF6FEF2A57F9692DF) - WerFault.exe (PID: 7296 cmdline:
C:\Windows \system32\ WerFault.e xe -u -p 2 060 -s 157 2 MD5: FD27D9F6D02763BDE32511B5DF7FF7A0)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Formbook, Formbo | FormBook contains a unique crypter RunPE that has unique behavioral patterns subject to detection. It was initially called "Babushka Crypter" by Insidemalware. |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Click to see the 14 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
|
System Summary |
---|
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link |
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Exploits |
---|
Source: | File source: | ||
Source: | File source: |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 12_2_02A9B800 |
Source: | Code function: | 12_2_02A89310 | |
Source: | Code function: | 12_2_02A8DAC6 |
Networking |
---|
Source: | DNS query: |
Source: | IP Address: | ||
Source: | IP Address: |
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: |
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: |
Source: | HTTP traffic detected: |
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: |