Analysis Overview
SHA256
43460a1724b2521dd5e97c68c16edfce9caf22d49452efd956a64db91b5935a7
Threat Level: Known bad
The file 5f0969cdd00801051ff7f2afd2343ff3 was found to be: Known bad.
Malicious Activity Summary
Oski
Reads user/profile data of web browsers
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-01-16 05:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-16 05:06
Reported
2024-01-16 05:09
Platform
win7-20231215-en
Max time kernel
119s
Max time network
122s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2880 set thread context of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe
"C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTKyEeK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BEA.tmp"
C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe
"C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe"
C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe
"C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 112
Network
Files
memory/2880-0-0x0000000001340000-0x000000000140A000-memory.dmp
memory/2880-1-0x00000000747D0000-0x0000000074EBE000-memory.dmp
memory/2880-2-0x0000000000B30000-0x0000000000BC0000-memory.dmp
memory/2880-3-0x0000000001260000-0x00000000012A0000-memory.dmp
memory/2880-4-0x00000000003F0000-0x0000000000406000-memory.dmp
memory/2880-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp
memory/2880-6-0x0000000001260000-0x00000000012A0000-memory.dmp
memory/2880-7-0x000000000D270000-0x000000000D30C000-memory.dmp
memory/2880-8-0x0000000000AA0000-0x0000000000AD8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1BEA.tmp
| MD5 | e770a473ca84fe3e9e922c7225948c42 |
| SHA1 | 161a556c636e4073fcde9e75df3a0100441597e3 |
| SHA256 | a3547a65c1d5f47e841c514c438cfc33ce6ce70468810fc35490205a7acbcfa3 |
| SHA512 | f3b33ac3b69eb229bcf4f325f01c1ec6ea3526beea4fe3e15c305b05571146114ab851f8f91f56668429f35d0e9e889f8af06223e1fb47a744171324ddfe7ef5 |
memory/3044-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3044-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3044-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3044-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3044-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3044-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3044-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3044-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2880-28-0x00000000747D0000-0x0000000074EBE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-16 05:06
Reported
2024-01-16 05:08
Platform
win10v2004-20231222-en
Max time kernel
137s
Max time network
151s
Command Line
Signatures
Oski
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1708 set thread context of 232 | N/A | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe
"C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTKyEeK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp270B.tmp"
C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe
"C:\Users\Admin\AppData\Local\Temp\5f0969cdd00801051ff7f2afd2343ff3.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 232 -ip 232
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 1300
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tunqyuindia.com | udp |
| US | 8.8.8.8:53 | 45.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/1708-1-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/1708-0-0x0000000000D60000-0x0000000000E2A000-memory.dmp
memory/1708-3-0x0000000009D10000-0x0000000009DAC000-memory.dmp
memory/1708-2-0x00000000058C0000-0x0000000005950000-memory.dmp
memory/1708-4-0x000000000A360000-0x000000000A904000-memory.dmp
memory/1708-5-0x0000000005A30000-0x0000000005AC2000-memory.dmp
memory/1708-6-0x0000000005980000-0x0000000005990000-memory.dmp
memory/1708-8-0x0000000005BC0000-0x0000000005C16000-memory.dmp
memory/1708-7-0x0000000005960000-0x000000000596A000-memory.dmp
memory/1708-9-0x0000000007050000-0x0000000007066000-memory.dmp
memory/1708-10-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/1708-11-0x0000000005980000-0x0000000005990000-memory.dmp
memory/1708-12-0x0000000007070000-0x000000000710C000-memory.dmp
memory/1708-13-0x00000000069D0000-0x0000000006A08000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp270B.tmp
| MD5 | 508cf3d7b010c06348cdad05f3c77034 |
| SHA1 | c32c9d7209ca4413623ddf7ee46e29c01927aef8 |
| SHA256 | 27462574074d4b63c57e7cd300b7f8403ba1166d9ef4037153cb1f4eca142624 |
| SHA512 | 5cbb9eddb7e51f65e4874377ba8cd87cabcc86884a8ba0a82b46bd6cbfa7237d7abae96f729abb934cbef73d9cf8640d1923d2445e8530e6c6325c326e7ecb43 |
memory/232-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/232-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1708-23-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/232-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/232-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/232-27-0x0000000000400000-0x0000000000438000-memory.dmp