Analysis Overview
SHA256
89c5e17054a661b5cd4562dc7e6e7a1529e6fd91067af6b299bdcef608365b57
Threat Level: Likely malicious
The file ad20a5da9acba492406b1117268a7951.apk was found to be: Likely malicious.
Malicious Activity Summary
Office macro that triggers on suspicious action
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-07 10:31
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-07 10:31
Reported
2024-08-07 10:34
Platform
win7-20240704-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\ | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.apk\ = "apk_auto_file" | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell\Read\command | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.apk | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell\Read | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" | C:\Windows\system32\rundll32.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1932 wrote to memory of 2040 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 1932 wrote to memory of 2040 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 1932 wrote to memory of 2040 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2040 wrote to memory of 736 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2040 wrote to memory of 736 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2040 wrote to memory of 736 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2040 wrote to memory of 736 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ad20a5da9acba492406b1117268a7951.apk
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ad20a5da9acba492406b1117268a7951.apk
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\ad20a5da9acba492406b1117268a7951.apk"
Network
Files
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
| MD5 | 9b4e503183225f376dd35279b93d2eb5 |
| SHA1 | 52e06d6719adbf7c2e0fe4d8e0655746858b42a8 |
| SHA256 | 7bac81bb48fb46b34fb204591122141fb4e7f8a159c2212f1c2cab6c0103c652 |
| SHA512 | 4b6fdef87fbb8dc03d35de99c198e575c3d848ad74c2b836557549c7da98d5b56c46e547802f89d176c58ef4e12ea5327a50e765e7f593422cf0326a5e1ea75e |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-07 10:31
Reported
2024-08-07 10:34
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
100s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ad20a5da9acba492406b1117268a7951.apk
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.190.18.2.in-addr.arpa | udp |
| IE | 52.111.236.23:443 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |