Analysis Overview
SHA256
acaa6723efbef5d53904d2d8e69d3c3e3f09a9e08cb17e1e79b00583316609c6
Threat Level: Known bad
The file d69b90af0812b7634f0214cd46f54ae0 was found to be: Known bad.
Malicious Activity Summary
Oski
Checks computer location settings
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-03-19 16:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-19 16:40
Reported
2024-03-19 16:43
Platform
win7-20240221-en
Max time kernel
158s
Max time network
160s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1712 set thread context of 588 | N/A | C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe | C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe |
Enumerates physical storage devices
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\d69b90af0812b7634f0214cd46f54ae0.exe
"C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cdgPKOcGVD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCE9.tmp"
C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe
"C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe"
Network
| Country | Destination | Domain | Proto |
| RO | 193.142.58.164:80 | tcp | |
| RO | 193.142.58.164:80 | tcp | |
| RO | 193.142.58.164:80 | tcp | |
| RO | 193.142.58.164:80 | tcp |
Files
memory/1712-0-0x0000000001100000-0x00000000011D8000-memory.dmp
memory/1712-1-0x0000000074110000-0x00000000747FE000-memory.dmp
memory/1712-2-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/1712-3-0x00000000004E0000-0x00000000004FA000-memory.dmp
memory/1712-4-0x0000000074110000-0x00000000747FE000-memory.dmp
memory/1712-5-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/1712-6-0x00000000059D0000-0x0000000005A74000-memory.dmp
memory/1712-7-0x0000000000600000-0x0000000000638000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpBCE9.tmp
| MD5 | cf6cd92f4239b85d22329df182f1cadc |
| SHA1 | c61233a859f2b56c9951ffd089e256a5fcc060b5 |
| SHA256 | 02ad419cf8f0bad9cba16857120a8391f41b3adf60ef152d0247a4183b00afb3 |
| SHA512 | 6eeb80be92284e56c2f41c4ac72571cf4f4004c16325e5b5b359f67f588cf0a42a2cbc3ceae86847b1e2d62a52e3b90b2fce6b45777f40d47f448be1db053a1c |
memory/588-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/588-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/588-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/588-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/588-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/588-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/588-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1712-23-0x0000000074110000-0x00000000747FE000-memory.dmp
memory/588-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/588-24-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-19 16:40
Reported
2024-03-19 16:43
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
156s
Command Line
Signatures
Oski
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1788 set thread context of 928 | N/A | C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe | C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe |
Enumerates physical storage devices
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\d69b90af0812b7634f0214cd46f54ae0.exe
"C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4488 --field-trial-handle=2432,i,12161922670941700748,3348345705955601576,262144 --variations-seed-version /prefetch:8
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cdgPKOcGVD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDD6.tmp"
C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe
"C:\Users\Admin\AppData\Local\Temp\d69b90af0812b7634f0214cd46f54ae0.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 34.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 201.178.17.96.in-addr.arpa | udp |
| RO | 193.142.58.164:80 | tcp | |
| RO | 193.142.58.164:80 | tcp | |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 37.179.17.96.in-addr.arpa | 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 |
| RO | 193.142.58.164:80 | tcp | |
| US | 8.8.8.8:53 | 58.179.17.96.in-addr.arpa | udp |
| RO | 193.142.58.164:80 | tcp |
Files
memory/1788-1-0x0000000000D30000-0x0000000000E08000-memory.dmp
memory/1788-0-0x0000000075050000-0x0000000075800000-memory.dmp
memory/1788-2-0x0000000005E10000-0x00000000063B4000-memory.dmp
memory/1788-3-0x0000000005860000-0x00000000058F2000-memory.dmp
memory/1788-4-0x0000000005A70000-0x0000000005A80000-memory.dmp
memory/1788-5-0x0000000005800000-0x000000000580A000-memory.dmp
memory/1788-6-0x0000000008130000-0x00000000081CC000-memory.dmp
memory/1788-7-0x00000000080B0000-0x00000000080CA000-memory.dmp
memory/1788-8-0x0000000075050000-0x0000000075800000-memory.dmp
memory/1788-9-0x0000000005A70000-0x0000000005A80000-memory.dmp
memory/1788-10-0x0000000006E30000-0x0000000006ED4000-memory.dmp
memory/1788-11-0x00000000080D0000-0x0000000008108000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpEDD6.tmp
| MD5 | 68adfa6c76bfda417a520d5c0216e9ba |
| SHA1 | 94d155877cc088d436b990b7dc9fa70d0c91080e |
| SHA256 | 05aebe0997d1e7676ee7c219cedf3cbe9d445b78b75ee6f734d5e719ab198d4b |
| SHA512 | 89882914e8d61b4e4e2fcf50baa1eac02e792064afcf0ef2db2cfe8d3492608a17ea9cd3a66d4d4154d489aa40fed8a91ba9380bfbca0ca0c1c75f895cf950eb |
memory/928-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/928-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1788-21-0x0000000075050000-0x0000000075800000-memory.dmp
memory/928-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/928-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/928-23-0x0000000000400000-0x0000000000438000-memory.dmp