Analysis Overview
SHA256
37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806
Threat Level: Known bad
The file 37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806 was found to be: Known bad.
Malicious Activity Summary
RedLine
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 16:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 16:09
Reported
2023-09-10 16:11
Platform
win10-20230831-en
Max time kernel
133s
Max time network
149s
Command Line
Signatures
RedLine
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe
"C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe
Network
| Country | Destination | Domain | Proto |
| RU | 5.42.92.211:80 | 5.42.92.211 | tcp |
| US | 8.8.8.8:53 | 211.92.42.5.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 38.148.119.40.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe
| MD5 | 305fdeb7a053bb0221d831999618efcb |
| SHA1 | 1a299ed7dcb90bdaf4603d6dcea45118ddc2c4b8 |
| SHA256 | ed8513f0c7e9b6a9a72c47d8aae8274fa743104fb299956b6e282620a91e960c |
| SHA512 | 8c30432b6dc373f52643af87150de38d346359c9ad37f55b4b0700faf847f8613e89212fa1960fc3e4a7e8c578102735476c9df06c6cb292a7c956ecb943d1b7 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe
| MD5 | 305fdeb7a053bb0221d831999618efcb |
| SHA1 | 1a299ed7dcb90bdaf4603d6dcea45118ddc2c4b8 |
| SHA256 | ed8513f0c7e9b6a9a72c47d8aae8274fa743104fb299956b6e282620a91e960c |
| SHA512 | 8c30432b6dc373f52643af87150de38d346359c9ad37f55b4b0700faf847f8613e89212fa1960fc3e4a7e8c578102735476c9df06c6cb292a7c956ecb943d1b7 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe
| MD5 | b51049844ffdd6526e8ef2a5d2ff5503 |
| SHA1 | 513c14485148840e91cf7434dc366e5121de9646 |
| SHA256 | 06a6b55edb7bb7b50e445170214fecb461e6ddde7b8e927e15f95c948c9c207a |
| SHA512 | c862ed81ab3c11bfeafb5dedd35da972e48e452c3d5bcafa0bf4f20395f41ed0d926c445ea14c6e1dcca1b7ed8089e9db5bdf030d827355fbaee3f26e1eb5875 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe
| MD5 | b51049844ffdd6526e8ef2a5d2ff5503 |
| SHA1 | 513c14485148840e91cf7434dc366e5121de9646 |
| SHA256 | 06a6b55edb7bb7b50e445170214fecb461e6ddde7b8e927e15f95c948c9c207a |
| SHA512 | c862ed81ab3c11bfeafb5dedd35da972e48e452c3d5bcafa0bf4f20395f41ed0d926c445ea14c6e1dcca1b7ed8089e9db5bdf030d827355fbaee3f26e1eb5875 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe
| MD5 | 54129c7cb33e7bf3d197fcd26837d112 |
| SHA1 | 18be8c4ab8636dbc9a146af771a20c8657d669e5 |
| SHA256 | 98f50d64e3d4ec1f7180114d29a1f22099795479d0fdeb0c0c9b57fee58ca68f |
| SHA512 | 64e4195538f7c1c113eadd3596666796693fd7913f293e0b56bd842e8461cb3e2561bb5d167524dc085f8d5f9e1ee688556443b3e9a019f0e1e954c61c6b8d47 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe
| MD5 | 54129c7cb33e7bf3d197fcd26837d112 |
| SHA1 | 18be8c4ab8636dbc9a146af771a20c8657d669e5 |
| SHA256 | 98f50d64e3d4ec1f7180114d29a1f22099795479d0fdeb0c0c9b57fee58ca68f |
| SHA512 | 64e4195538f7c1c113eadd3596666796693fd7913f293e0b56bd842e8461cb3e2561bb5d167524dc085f8d5f9e1ee688556443b3e9a019f0e1e954c61c6b8d47 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe
| MD5 | 53b5cf82d09a394256e2de3bc33e3b01 |
| SHA1 | 26a85c65da71547da053f51f2e71bfbb894c8975 |
| SHA256 | 9dddc2802626fe66342499c9ded06b03fc8c60ec2f90587b4560a7511a95e307 |
| SHA512 | 2756f3fd1183e5671ea5aa79f0bc29549f8b04c538ee506d528cb7ac57cf83d001a603ab12f888697d45484cefa487dfd7874239c86c6f4bfc36f600bb05c2a2 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe
| MD5 | 53b5cf82d09a394256e2de3bc33e3b01 |
| SHA1 | 26a85c65da71547da053f51f2e71bfbb894c8975 |
| SHA256 | 9dddc2802626fe66342499c9ded06b03fc8c60ec2f90587b4560a7511a95e307 |
| SHA512 | 2756f3fd1183e5671ea5aa79f0bc29549f8b04c538ee506d528cb7ac57cf83d001a603ab12f888697d45484cefa487dfd7874239c86c6f4bfc36f600bb05c2a2 |
memory/3848-24-0x0000000000760000-0x0000000000790000-memory.dmp
memory/3848-25-0x0000000072EB0000-0x000000007359E000-memory.dmp
memory/3848-26-0x00000000029F0000-0x00000000029F6000-memory.dmp
memory/3848-27-0x000000000AB90000-0x000000000B196000-memory.dmp
memory/3848-28-0x000000000A6B0000-0x000000000A7BA000-memory.dmp
memory/3848-29-0x000000000A5E0000-0x000000000A5F2000-memory.dmp
memory/3848-30-0x000000000A640000-0x000000000A67E000-memory.dmp
memory/3848-31-0x000000000A7C0000-0x000000000A80B000-memory.dmp
memory/3848-32-0x0000000072EB0000-0x000000007359E000-memory.dmp