Analysis
-
max time kernel
144s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2022 06:09
Static task
static1
Behavioral task
behavioral1
Sample
PDF DE ARTICULO ACT.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
PDF DE ARTICULO ACT.exe
Resource
win10v2004-20220812-en
General
-
Target
PDF DE ARTICULO ACT.exe
-
Size
3.4MB
-
MD5
67354a1860bc2e6b3ff13f3f7d90343e
-
SHA1
681da75526970d006bcbcd5fc8c6e222d4b43953
-
SHA256
46fff582a4bd61053e727f7a77d66eab7a7c536acf3f000ad9c1721ac27949d3
-
SHA512
eb712361877b34b541ba70bf1899ff48186a8e0c17a0b8730816ab9e7e8c9975cf7d7ad6d26e17598208f224aaa1a87996acc106e36382516c69db2c821ae868
-
SSDEEP
98304:53coRwOlNGMJilYMLGwxEfBHnj9OB3f3:9coRwOPDJTMqcABHnj9U
Malware Config
Extracted
bitrat
1.38
bendicion777.con-ip.com:7777
-
communication_password
202cb962ac59075b964b07152d234b70
-
tor_process
tor
Signatures
-
Processes:
resource yara_rule behavioral2/memory/4812-143-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4812-144-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4812-145-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4812-146-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4812-147-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4812-150-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PDF DE ARTICULO ACT.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation PDF DE ARTICULO ACT.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PDF DE ARTICULO ACT.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Lwpokgv\\chrome.exe\"" PDF DE ARTICULO ACT.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
InstallUtil.exepid process 4812 InstallUtil.exe 4812 InstallUtil.exe 4812 InstallUtil.exe 4812 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PDF DE ARTICULO ACT.exedescription pid process target process PID 4588 set thread context of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 540 powershell.exe 540 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exePDF DE ARTICULO ACT.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 540 powershell.exe Token: SeDebugPrivilege 4588 PDF DE ARTICULO ACT.exe Token: SeShutdownPrivilege 4812 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
InstallUtil.exepid process 4812 InstallUtil.exe 4812 InstallUtil.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
PDF DE ARTICULO ACT.exedescription pid process target process PID 4588 wrote to memory of 540 4588 PDF DE ARTICULO ACT.exe powershell.exe PID 4588 wrote to memory of 540 4588 PDF DE ARTICULO ACT.exe powershell.exe PID 4588 wrote to memory of 540 4588 PDF DE ARTICULO ACT.exe powershell.exe PID 4588 wrote to memory of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe PID 4588 wrote to memory of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe PID 4588 wrote to memory of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe PID 4588 wrote to memory of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe PID 4588 wrote to memory of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe PID 4588 wrote to memory of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe PID 4588 wrote to memory of 4812 4588 PDF DE ARTICULO ACT.exe InstallUtil.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PDF DE ARTICULO ACT.exe"C:\Users\Admin\AppData\Local\Temp\PDF DE ARTICULO ACT.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:540 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4812