Analysis Overview
SHA256
e95133b41a680c6eefc46c572c77c90ec1597046bfd5a7d6d6199ed566b43457
Threat Level: Known bad
The file 4.exe was found to be: Known bad.
Malicious Activity Summary
BluStealer
Executes dropped EXE
Checks computer location settings
Drops startup file
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-08-15 10:17
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-08-15 10:17
Reported
2022-08-15 10:19
Platform
win10v2004-20220812-en
Max time kernel
87s
Max time network
90s
Command Line
Signatures
BluStealer
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Ocdms.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsUpdater.lnk | C:\Users\Admin\AppData\Local\Temp\Ocdms.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qejae = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ibiwfo\\Qejae.exe\"" | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdater = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Ocdms.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Ocdms.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3880 set thread context of 1464 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe
"C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe"
C:\Users\Admin\AppData\Local\Temp\Ocdms.exe
"C:\Users\Admin\AppData\Local\Temp\Ocdms.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.253.208.120:80 | tcp | |
| IE | 20.50.80.209:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 8.253.208.120:80 | tcp | |
| US | 8.253.208.120:80 | tcp | |
| US | 8.253.208.120:80 | tcp |
Files
memory/3880-132-0x0000000000F20000-0x0000000001100000-memory.dmp
memory/3880-133-0x0000000005E00000-0x0000000005E22000-memory.dmp
memory/816-134-0x0000000000000000-mapping.dmp
memory/816-135-0x0000000000F00000-0x0000000000F36000-memory.dmp
memory/816-136-0x0000000004D60000-0x0000000005388000-memory.dmp
memory/816-137-0x0000000005460000-0x00000000054C6000-memory.dmp
memory/816-138-0x0000000005600000-0x0000000005666000-memory.dmp
memory/816-139-0x0000000005C30000-0x0000000005C4E000-memory.dmp
memory/816-140-0x0000000007220000-0x000000000789A000-memory.dmp
memory/816-141-0x0000000006110000-0x000000000612A000-memory.dmp
memory/864-142-0x0000000000000000-mapping.dmp
memory/3284-143-0x0000000000000000-mapping.dmp
memory/1464-144-0x0000000000000000-mapping.dmp
memory/1464-145-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1464-146-0x0000000005A70000-0x0000000006014000-memory.dmp
memory/1464-147-0x0000000005400000-0x0000000005492000-memory.dmp
memory/1464-148-0x00000000055B0000-0x00000000055BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe
| MD5 | 43fad29e3e0cdba820580d0910c3cfdc |
| SHA1 | 939cdf1bb52f4e49192f9959bf539c644796b097 |
| SHA256 | edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e |
| SHA512 | 2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e |
C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe
| MD5 | 43fad29e3e0cdba820580d0910c3cfdc |
| SHA1 | 939cdf1bb52f4e49192f9959bf539c644796b097 |
| SHA256 | edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e |
| SHA512 | 2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e |
memory/1516-149-0x0000000000000000-mapping.dmp
memory/1488-152-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\Ocdms.exe
| MD5 | 143df79cc6329bb7d28a3914af42bad0 |
| SHA1 | bb40cbe713905da365bdfbfaa76b5afa2711500b |
| SHA256 | c7caa2be3c12c49ed887e08a9f87afbbaef669f64ab5d9ab7a7e1acd95a99f5e |
| SHA512 | face945582b4b52c35c7335caf2ba0e40296f029412e0b9f0a6fcb7764b3574ffabcd0fa7ba41d22ef9570c93f55a0ce058124f9efe279740bbd7b02b2459aa8 |
C:\Users\Admin\AppData\Local\Temp\Ocdms.exe
| MD5 | 143df79cc6329bb7d28a3914af42bad0 |
| SHA1 | bb40cbe713905da365bdfbfaa76b5afa2711500b |
| SHA256 | c7caa2be3c12c49ed887e08a9f87afbbaef669f64ab5d9ab7a7e1acd95a99f5e |
| SHA512 | face945582b4b52c35c7335caf2ba0e40296f029412e0b9f0a6fcb7764b3574ffabcd0fa7ba41d22ef9570c93f55a0ce058124f9efe279740bbd7b02b2459aa8 |
memory/1488-157-0x00007FFD3B120000-0x00007FFD3BB56000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-08-15 10:17
Reported
2022-08-15 10:19
Platform
win7-20220812-en
Max time kernel
43s
Max time network
48s
Command Line
Signatures
BluStealer
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Ocdms.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsUpdater.lnk | C:\Users\Admin\AppData\Local\Temp\Ocdms.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qejae = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ibiwfo\\Qejae.exe\"" | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdater = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Ocdms.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Ocdms.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2044 set thread context of 828 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe
"C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe"
C:\Users\Admin\AppData\Local\Temp\Ocdms.exe
"C:\Users\Admin\AppData\Local\Temp\Ocdms.exe"
Network
Files
memory/2044-54-0x0000000000D90000-0x0000000000F70000-memory.dmp
memory/2044-55-0x0000000000C20000-0x0000000000D6A000-memory.dmp
memory/2044-56-0x0000000002370000-0x0000000002428000-memory.dmp
memory/2044-57-0x0000000076761000-0x0000000076763000-memory.dmp
memory/2044-58-0x0000000002430000-0x00000000024C2000-memory.dmp
memory/1736-59-0x0000000000000000-mapping.dmp
memory/1736-61-0x00000000700B0000-0x000000007065B000-memory.dmp
memory/1736-62-0x00000000700B0000-0x000000007065B000-memory.dmp
memory/828-64-0x0000000000400000-0x0000000000480000-memory.dmp
memory/828-63-0x0000000000400000-0x0000000000480000-memory.dmp
memory/828-66-0x0000000000400000-0x0000000000480000-memory.dmp
memory/828-67-0x0000000000400000-0x0000000000480000-memory.dmp
memory/828-68-0x0000000000400000-0x0000000000480000-memory.dmp
memory/828-69-0x000000000047AF5E-mapping.dmp
memory/828-71-0x0000000000400000-0x0000000000480000-memory.dmp
memory/828-73-0x0000000000400000-0x0000000000480000-memory.dmp
memory/828-75-0x0000000000B85000-0x0000000000B96000-memory.dmp
\Users\Admin\AppData\Local\Temp\Icwumtv.exe
| MD5 | 43fad29e3e0cdba820580d0910c3cfdc |
| SHA1 | 939cdf1bb52f4e49192f9959bf539c644796b097 |
| SHA256 | edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e |
| SHA512 | 2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e |
\Users\Admin\AppData\Local\Temp\Icwumtv.exe
| MD5 | 43fad29e3e0cdba820580d0910c3cfdc |
| SHA1 | 939cdf1bb52f4e49192f9959bf539c644796b097 |
| SHA256 | edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e |
| SHA512 | 2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e |
memory/468-78-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\Icwumtv.exe
| MD5 | 43fad29e3e0cdba820580d0910c3cfdc |
| SHA1 | 939cdf1bb52f4e49192f9959bf539c644796b097 |
| SHA256 | edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e |
| SHA512 | 2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e |
\Users\Admin\AppData\Local\Temp\Ocdms.exe
| MD5 | 143df79cc6329bb7d28a3914af42bad0 |
| SHA1 | bb40cbe713905da365bdfbfaa76b5afa2711500b |
| SHA256 | c7caa2be3c12c49ed887e08a9f87afbbaef669f64ab5d9ab7a7e1acd95a99f5e |
| SHA512 | face945582b4b52c35c7335caf2ba0e40296f029412e0b9f0a6fcb7764b3574ffabcd0fa7ba41d22ef9570c93f55a0ce058124f9efe279740bbd7b02b2459aa8 |
C:\Users\Admin\AppData\Local\Temp\Ocdms.exe
| MD5 | 143df79cc6329bb7d28a3914af42bad0 |
| SHA1 | bb40cbe713905da365bdfbfaa76b5afa2711500b |
| SHA256 | c7caa2be3c12c49ed887e08a9f87afbbaef669f64ab5d9ab7a7e1acd95a99f5e |
| SHA512 | face945582b4b52c35c7335caf2ba0e40296f029412e0b9f0a6fcb7764b3574ffabcd0fa7ba41d22ef9570c93f55a0ce058124f9efe279740bbd7b02b2459aa8 |
memory/944-81-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\Ocdms.exe
| MD5 | 143df79cc6329bb7d28a3914af42bad0 |
| SHA1 | bb40cbe713905da365bdfbfaa76b5afa2711500b |
| SHA256 | c7caa2be3c12c49ed887e08a9f87afbbaef669f64ab5d9ab7a7e1acd95a99f5e |
| SHA512 | face945582b4b52c35c7335caf2ba0e40296f029412e0b9f0a6fcb7764b3574ffabcd0fa7ba41d22ef9570c93f55a0ce058124f9efe279740bbd7b02b2459aa8 |
memory/828-86-0x0000000000B85000-0x0000000000B96000-memory.dmp
memory/944-87-0x000007FEF3EB0000-0x000007FEF48D3000-memory.dmp
memory/944-88-0x000007FEF2E10000-0x000007FEF3EA6000-memory.dmp
memory/944-89-0x000007FEFC271000-0x000007FEFC273000-memory.dmp
memory/944-90-0x0000000000B06000-0x0000000000B25000-memory.dmp