Analysis Overview
SHA256
a03b45dabcaf812402454befd876b2eafbdf9e967f3bb01e66f33f3cabbdebd5
Threat Level: Known bad
The file 807a927252237ee6436724cbbcd05fa0 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
Program crash
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-01-29 17:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-29 17:48
Reported
2024-01-29 17:51
Platform
win7-20231129-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2152 set thread context of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe | C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.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\807a927252237ee6436724cbbcd05fa0.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe
"C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rFmqUFUNsPfqc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BFA.tmp"
C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 112
Network
Files
memory/2152-0-0x0000000001110000-0x00000000011CC000-memory.dmp
memory/2152-1-0x00000000749F0000-0x00000000750DE000-memory.dmp
memory/2152-2-0x0000000001010000-0x0000000001050000-memory.dmp
memory/2152-3-0x00000000005C0000-0x00000000005C8000-memory.dmp
memory/2152-4-0x00000000749F0000-0x00000000750DE000-memory.dmp
memory/2152-5-0x0000000001010000-0x0000000001050000-memory.dmp
memory/2152-6-0x0000000004F60000-0x0000000004FE2000-memory.dmp
memory/2152-7-0x0000000000BA0000-0x0000000000BDC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8BFA.tmp
| MD5 | 61874bb60b19943ff29b8cbac09e01e1 |
| SHA1 | 2bd190af9062bc7d38d5f6be5a66ede05fdb163c |
| SHA256 | e08a2f15c59f3cc3902466dfa64a5c3b113fad316cd6e8cb16dfa036caec37be |
| SHA512 | 9409133e0619779e68300d67d6c8745e91b9882e61b8125f38e44843759d3caa62ccb6671fb617657fcd31bb406d086f6a319cba0c6af2d6cd3eebeb9bb01166 |
memory/2732-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2732-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2732-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2732-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2732-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2732-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2732-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2732-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2152-24-0x00000000749F0000-0x00000000750DE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-29 17:48
Reported
2024-01-29 17:51
Platform
win10v2004-20231215-en
Max time kernel
105s
Max time network
146s
Command Line
Signatures
Oski
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4160 set thread context of 5092 | N/A | C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe | C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.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\807a927252237ee6436724cbbcd05fa0.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\807a927252237ee6436724cbbcd05fa0.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe
"C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rFmqUFUNsPfqc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB6E.tmp"
C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5092 -ip 5092
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 1312
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zau.divendesign.in | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 190.178.17.96.in-addr.arpa | udp |
Files
memory/4160-0-0x00000000007D0000-0x000000000088C000-memory.dmp
memory/4160-1-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/4160-2-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/4160-4-0x0000000005450000-0x00000000054EC000-memory.dmp
memory/4160-5-0x00000000054F0000-0x0000000005582000-memory.dmp
memory/4160-3-0x0000000002D80000-0x0000000002D88000-memory.dmp
memory/4160-6-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/4160-7-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/4160-8-0x0000000005C80000-0x0000000005D02000-memory.dmp
memory/4160-9-0x0000000005B40000-0x0000000005B7C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpCB6E.tmp
| MD5 | fd82f54536607ad7911da8877b3748da |
| SHA1 | 325f1ebe80bc0cd494fef898f226e3cac5873ff0 |
| SHA256 | dd9eaa611535ca5fcb246dfd94214fc34c3fd13be6616ab5e44ed4762c3514c0 |
| SHA512 | fc6ae634c296f64505713dc7a049b0969d1205504c04dffebfe135a55d3429331e798703309a5f1a0cb5609b4cc19ce6eae575c38d7d2d89cf60bcd6f71df870 |
memory/5092-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/5092-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/5092-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/5092-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4160-18-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/5092-21-0x0000000000400000-0x0000000000438000-memory.dmp