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Windows
Analysis Report
UolJwovI8c.exe
Overview
General Information
Sample name: | UolJwovI8c.exerenamed because original name is a hash value |
Original sample name: | b0ad260d058a7f4f299b4bbc7f876799.exe |
Analysis ID: | 1566414 |
MD5: | b0ad260d058a7f4f299b4bbc7f876799 |
SHA1: | e056c9e7fad86450e47c43120f9dd74e20c84db9 |
SHA256: | 79120d139d1041d1c9a506a1a21ed304211f43893dd61295e64028cdb1fa34e2 |
Tags: | exeuser-abuse_ch |
Infos: | |
Detection
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Suricata IDS alerts for network traffic
Yara detected UAC Bypass using CMSTP
AI detected suspicious sample
Drops executable to a common third party application directory
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Switches to a custom stack to bypass stack traces
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Contains functionality for read data from the clipboard
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to dynamically determine API calls
Contains functionality to modify clipboard data
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Deletes files inside the Windows folder
Detected potential crypto function
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Drops files with a non-matching file extension (content does not match file extension)
Found dropped PE file which has not been started or loaded
Found evaded block containing many API calls
Found evasive API chain (date check)
Found evasive API chain (may stop execution after checking a module file name)
Found evasive API chain checking for process token information
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains an invalid checksum
PE file contains executable resources (Code or Archives)
PE file contains more sections than normal
PE file contains sections with non-standard names
Queries the installation date of Windows
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Searches for user specific document files
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Uses the system / local time for branch decision (may execute only at specific dates)
Yara signature match
Classification
- System is w10x64
- UolJwovI8c.exe (PID: 4364 cmdline:
"C:\Users\ user\Deskt op\UolJwov I8c.exe" MD5: B0AD260D058A7F4F299B4BBC7F876799) - UolJwovI8c.exe (PID: 4876 cmdline:
"C:\Window s\Temp\{0F 54F10E-602 0-4B59-907 E-73F350F6 C1A3}\.cr\ UolJwovI8c .exe" -bur n.clean.ro om="C:\Use rs\user\De sktop\UolJ wovI8c.exe " -burn.fi lehandle.a ttached=68 4 -burn.fi lehandle.s elf=512 MD5: 5DEBD32329500518D4F21225DCB64E43) - thunderbird.exe (PID: 7040 cmdline:
"C:\Window s\Temp\{F4 5F8542-2D1 F-4FB1-B66 C-A4C0420B 90F3}\.ba\ thunderbir d.exe" MD5: A9D830B99ABEA315C465A440C4AA1B94) - thunderbird.exe (PID: 4932 cmdline:
C:\Users\u ser\AppDat a\Roaming\ GZManage\t hunderbird .exe MD5: A9D830B99ABEA315C465A440C4AA1B94) - cmd.exe (PID: 5936 cmdline:
C:\Windows \SysWOW64\ cmd.exe MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 5160 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - Qjsync.exe (PID: 5648 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\Qjsync. exe MD5: 967F4470627F823F4D7981E511C9824F)
- thunderbird.exe (PID: 876 cmdline:
"C:\Users\ user\AppDa ta\Roaming \GZManage\ thunderbir d.exe" MD5: A9D830B99ABEA315C465A440C4AA1B94) - cmd.exe (PID: 2100 cmdline:
C:\Windows \SysWOW64\ cmd.exe MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 3896 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- thunderbird.exe (PID: 3200 cmdline:
"C:\Users\ user\AppDa ta\Roaming \GZManage\ thunderbir d.exe" MD5: A9D830B99ABEA315C465A440C4AA1B94) - cmd.exe (PID: 6716 cmdline:
C:\Windows \SysWOW64\ cmd.exe MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 4436 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - Qjsync.exe (PID: 4184 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\Qjsync. exe MD5: 967F4470627F823F4D7981E511C9824F)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
Click to see the 7 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) | ditekSHen |
| |
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) | ditekSHen |
| |
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
Click to see the 27 entries |
⊘No Sigma rule has matched
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-02T07:25:07.938694+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49835 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:10.586588+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49841 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:12.752590+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49847 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:16.527693+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49856 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:19.200016+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49861 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:21.101889+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49866 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:23.104693+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49872 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:25.059446+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49877 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:27.072842+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49883 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:25:29.464751+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49889 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:26:10.090177+0100 | 2028371 | 3 | Unknown Traffic | 192.168.2.6 | 49981 | 104.21.74.149 | 443 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-02T07:25:08.819899+0100 | 2056550 | 1 | A Network Trojan was detected | 192.168.2.6 | 49835 | 104.21.74.149 | 443 | TCP |
2024-12-02T07:26:10.993284+0100 | 2056550 | 1 | A Network Trojan was detected | 192.168.2.6 | 49981 | 104.21.74.149 | 443 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: |
Source: | Code function: | 0_2_005AA0BB | |
Source: | Code function: | 0_2_005CFA62 | |
Source: | Code function: | 0_2_005A9E9E | |
Source: | Code function: | 2_2_0052A0BB | |
Source: | Code function: | 2_2_0054FA62 | |
Source: | Code function: | 2_2_00529E9E |
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