Analysis
- max time kernel
169s - max time network
172s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/09/2022, 10:26
Static task
static1
Behavioral task
behavioral1
Sample
6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe
- Size 276KB
- Sample220919-mgxelscfa4
- SHA256 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb
- MD5 13e2e899fe0f952ecf7ef280c8eadcc1
- SHA1 ec0d5eb8493e2b7ffeb8f0e344647457f19de05f
- SHA512 064abfc4242e628a354e533a0db48be0296ef20f40abb017bf370421da61b8420cbf8daa27cc13170c1cdd30f7354c6e2c4000a96b918d7a393ec431c80a0465
- SSDEEP 6144:t+JDokUPCDMzJu749QeAWyBLTURx44IhRdo:tiwzJuZeNeLTUR67o
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dioapi.exe - Executes dropped EXE 1 IoCs
pid Process 4912 dioapi.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe - Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /s" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /p" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /e" 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /r" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /n" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /g" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /y" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /c" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /l" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /a" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /x" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /z" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /h" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /u" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /e" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /k" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /b" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /d" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /w" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /f" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /o" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /m" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /q" dioapi.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /j" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /v" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /i" dioapi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dioapi = "C:\\Users\\Admin\\dioapi.exe /t" dioapi.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1924 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe 1924 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe 4912 dioapi.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1924 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe 4912 dioapi.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1924 wrote to memory of 4912 1924 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe 81 PID 1924 wrote to memory of 4912 1924 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe 81 PID 1924 wrote to memory of 4912 1924 6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe"C:\Users\Admin\AppData\Local\Temp\6c566d2bcfb20f52dc835d32f169b449d62450e4cb22338b851944e5c03662bb.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Users\Admin\dioapi.exe"C:\Users\Admin\dioapi.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4912
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\dioapi.exe
- Size 276KB
- SHA256 4237d65f9d61876b31f0c89265eb31f0cba018929587c94ab813625bbbe90ece
- MD5 417e610650bc6afeacfd04886f3cd931
- SHA1 411b7bf7a805bb029905a32e4e17e8af449ee9d9
- SHA512 fb5e462236e0129357c34eb41819a5a757b4933d1632be5f4369489e9aefd9b21efd82872cef985f1bf1e6d4431955fbd36ef4bd153a5af11e77552168f4841d
- SSDEEP 6144:t+JDmmLqPCDMzJu749QeAWyBLTURx44IhRdI:t4LpwzJuZeNeLTUR67I
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\dioapi.exe
- Size 276KB
- SHA256 4237d65f9d61876b31f0c89265eb31f0cba018929587c94ab813625bbbe90ece
- MD5 417e610650bc6afeacfd04886f3cd931
- SHA1 411b7bf7a805bb029905a32e4e17e8af449ee9d9
- SHA512 fb5e462236e0129357c34eb41819a5a757b4933d1632be5f4369489e9aefd9b21efd82872cef985f1bf1e6d4431955fbd36ef4bd153a5af11e77552168f4841d
- SSDEEP 6144:t+JDmmLqPCDMzJu749QeAWyBLTURx44IhRdI:t4LpwzJuZeNeLTUR67I
- MD5 SHA1 SHA512 SSDEEP