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Windows
Analysis Report
file.exe
Overview
General Information
Detection
LummaC Stealer, SmokeLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Yara detected LummaC Stealer
Yara detected AntiVM3
Yara detected SmokeLoader
System process connects to network (likely due to code injection or exploit)
Detected unpacking (changes PE section rights)
Antivirus detection for URL or domain
Antivirus detection for dropped file
Snort IDS alert for network traffic
Found malware configuration
Multi AV Scanner detection for submitted file
Benign windows process drops PE files
Malicious sample detected (through community Yara rule)
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for dropped file
Maps a DLL or memory area into another process
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Machine Learning detection for sample
Allocates memory in foreign processes
Performs DNS queries to domains with low reputation
Injects a PE file into a foreign processes
Deletes itself after installation
Creates a thread in another existing process (thread injection)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Found many strings related to Crypto-Wallets (likely being stolen)
Checks if the current machine is a virtual machine (disk enumeration)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Machine Learning detection for dropped file
C2 URLs / IPs found in malware configuration
One or more processes crash
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to dynamically determine API calls
HTTP GET or POST without a user agent
Downloads executable code via HTTP
Contains long sleeps (>= 3 min)
Abnormal high CPU Usage
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Drops files with a non-matching file extension (content does not match file extension)
Drops PE files
Tries to load missing DLLs
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Binary contains a suspicious time stamp
Dropped file seen in connection with other malware
Creates a process in suspended mode (likely to inject code)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Internet Provider seen in connection with other malware
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Yara detected Credential Stealer
Contains functionality to call native functions
Contains functionality to record screenshots
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Searches for user specific document files
Creates a DirectInput object (often for capturing keystrokes)
Is looking for software installed on the system
Found inlined nop instructions (likely shell or obfuscated code)
Sample file is different than original file name gathered from version info
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Uses Microsoft's Enhanced Cryptographic Provider
Contains functionality to query network adapater information
Classification
- System is w10x64
- file.exe (PID: 6904 cmdline:
C:\Users\u ser\Deskto p\file.exe MD5: 9E0025C871AE4E48587BDEC5AA9E8778) - explorer.exe (PID: 3000 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - 46A3.exe (PID: 4284 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\46A3.ex e MD5: 4527E3FE757DD266980F572C43F22EF3) - RegAsm.exe (PID: 4268 cmdline:
C:\Windows \Microsoft .NET\Frame work\v4.0. 30319\RegA sm.exe MD5: 8FE9545E9F72E460723F484C304314AD) - BB04.exe (PID: 6612 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\BB04.ex e MD5: 59E6F40D24C3EA84FA3BCF55B8F72C9D) - conhost.exe (PID: 6576 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - AppLaunch.exe (PID: 7108 cmdline:
C:\Windows \Microsoft .NET\Frame work\v4.0. 30319\AppL aunch.exe MD5: 4DF5F963C7E18F062E49870D0AFF8F6F) - WerFault.exe (PID: 5448 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 6 612 -s 152 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
- wfshtit (PID: 3752 cmdline:
C:\Users\u ser\AppDat a\Roaming\ wfshtit MD5: 9E0025C871AE4E48587BDEC5AA9E8778)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
SmokeLoader | The SmokeLoader family is a generic backdoor with a range of capabilities which depend on the modules included in any given build of the malware. The malware is delivered in a variety of ways and is broadly associated with criminal activity. The malware frequently tries to hide its C2 activity by generating requests to legitimate sites such as microsoft.com, bing.com, adobe.com, and others. Typically the actual Download returns an HTTP 404 but still contains data in the Response Body. |
{"C2 url": ["fiancejiveimp.fun", "fullppc.yz"], "Build Id": "rIwhoU--Elvin"}
{"Version": 2022, "C2 list": ["http://gudintas.at/tmp/", "http://pik96.ru/tmp/", "http://rosatiauto.com/tmp/", "http://kingpirate.ru/tmp/"]}
Source | Rule | Description | Author | Strings |
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INDICATOR_EXE_Packed_DotNetReactor | Detects executables packed with unregistered version of .NET Reactor | ditekSHen |
|
Source | Rule | Description | Author | Strings |
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JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
Windows_Trojan_Smokeloader_4e31426e | unknown | unknown |
| |
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
Windows_Trojan_RedLineStealer_ed346e4c | unknown | unknown |
| |
Click to see the 16 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
Click to see the 4 entries |
⊘No Sigma rule has matched
Timestamp: | 192.168.2.3104.21.1.1849844802048094 10/03/23-18:02:47.032857 |
SID: | 2048094 |
Source Port: | 49844 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.3172.67.137.12549832802048094 10/03/23-18:02:42.062053 |
SID: | 2048094 |
Source Port: | 49832 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 91.227.16.22192.168.2.380498282018572 10/03/23-18:02:37.535570 |
SID: | 2018572 |
Source Port: | 80 |
Destination Port: | 49828 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.3104.21.1.1849840802048093 10/03/23-18:02:46.461905 |
SID: | 2048093 |
Source Port: | 49840 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.3104.21.1.1849909802048094 10/03/23-18:03:17.025877 |
SID: | 2048094 |
Source Port: | 49909 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.3172.67.137.12549830802048093 10/03/23-18:02:41.476601 |
SID: | 2048093 |
Source Port: | 49830 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.3104.21.81.1749845802048094 10/03/23-18:02:47.044584 |
SID: | 2048094 |
Source Port: | 49845 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.3172.67.151.21949846802048094 10/03/23-18:02:47.592349 |
SID: | 2048094 |
Source Port: | 49846 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Joe Sandbox ML: |
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Source: | Code function: | 10_2_6F07DE00 | |
Source: | Code function: | 10_2_6F07DEE0 | |
Source: | Code function: | 10_2_6F07DD20 | |
Source: | Code function: | 10_2_6F07DBB0 | |
Source: | Code function: | 10_2_6F07D9D0 | |
Source: | Code function: | 10_2_6F07D7D4 | |
Source: | Code function: | 10_2_6F07D7F0 | |
Source: | Code function: | 11_2_004385E8 |
Source: | Static PE information: |
Source: | File opened: | Jump to behavior |
Source: | HTTPS traffic detected: |
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Source: | Code function: | 11_2_00456688 | |
Source: | Code function: | 11_2_0045673C |
Source: | Code function: | 10_2_0113C8B0 | |
Source: | Code function: | 10_2_011353D4 | |
Source: | Code function: | 10_2_0113B4CC | |
Source: | Code function: | 10_2_0113C9B9 | |
Source: | Code function: | 10_2_0113C9C0 | |
Source: | Code function: | 10_2_0113C8A8 | |
Source: | Code function: | 10_2_0113CBD9 | |
Source: | Code function: | 10_2_0113CBE0 | |
Source: | Code function: | 10_2_0113CAD0 | |
Source: | Code function: | 10_2_0113CAC8 |
Networking |
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Source: | Domain query: | |||
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Source: | Network Connect: | Jump to behavior | ||
Source: | Network Connect: | Jump to behavior | ||
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Source: | Network Connect: | Jump to behavior | ||
Source: | Network Connect: | Jump to behavior | ||
Source: | Network Connect: | Jump to behavior | ||
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Source: | DNS query: |
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Source: | JA3 fingerprint: |
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