Analysis Overview
SHA256
a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6
Threat Level: Known bad
The file a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6 was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Checks installed software on the system
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-25 14:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-25 14:10
Reported
2024-06-25 14:13
Platform
win10v2004-20240611-en
Max time kernel
142s
Max time network
126s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-8FDPT.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-8FDPT.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-8FDPT.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.exe
"C:\Users\Admin\AppData\Local\Temp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.exe"
C:\Users\Admin\AppData\Local\Temp\is-8FDPT.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp
"C:\Users\Admin\AppData\Local\Temp\is-8FDPT.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp" /SL5="$100052,5036830,54272,C:\Users\Admin\AppData\Local\Temp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.exe"
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| BE | 88.221.83.209:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 209.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| HK | 141.98.234.31:53 | bokcniu.com | udp |
| TR | 94.156.8.80:80 | bokcniu.com | tcp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.8.156.94.in-addr.arpa | udp |
Files
memory/632-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/632-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-8FDPT.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp
| MD5 | 7eb98740167ad7dbefff3c4d9d1fc0db |
| SHA1 | 40b8b622a22af40238bee99bcbac0779d40f54f1 |
| SHA256 | bbf8e4ad4755ba2db5fe3a5d1038c8bf5cef316d306a414f8e4ff7bd2e53e144 |
| SHA512 | 6255ccc17052e83c5c922c198622585e23e4d9035609ad35eb765c66860abf66b7246abbd994f6242efdd12344d67bbe3a2eb141622ce2d89b2a6e54c7d328e7 |
memory/4072-10-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-E9KJC.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
| MD5 | 3eded396b7c393283e7d4e8a61a1e1d5 |
| SHA1 | 37bc2f9a682ecae4591ab5bfb1b9d48e766fc483 |
| SHA256 | 4af64c27f6b99556ab3f7565864118b0fd8f9edaab218753d1dd71a1979d3c9f |
| SHA512 | 01d0c1c9a3aa54ed806b74cfcea5bf013ed4b7f09b9adc444d6418d7122bfafb9f6b905145f89caac8869d393022c3d91f3a71b3647093057f7d0d0c338e35a3 |
memory/5040-59-0x0000000000400000-0x000000000073A000-memory.dmp
memory/5040-60-0x0000000000400000-0x000000000073A000-memory.dmp
memory/5040-65-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-67-0x0000000000400000-0x000000000073A000-memory.dmp
memory/5040-63-0x0000000000400000-0x000000000073A000-memory.dmp
memory/632-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4072-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2660-71-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-74-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-77-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-80-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-83-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-86-0x00000000008B0000-0x0000000000952000-memory.dmp
memory/2660-90-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-93-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-96-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-99-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-102-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-105-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-108-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-112-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2660-115-0x0000000000400000-0x000000000073A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-25 14:10
Reported
2024-06-25 14:13
Platform
win11-20240508-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-AAKIH.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-AAKIH.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 152.89.198.214 | N/A | N/A |
| Destination IP | 91.211.247.248 | N/A | N/A |
| Destination IP | 152.89.198.214 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-AAKIH.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.exe
"C:\Users\Admin\AppData\Local\Temp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.exe"
C:\Users\Admin\AppData\Local\Temp\is-AAKIH.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp
"C:\Users\Admin\AppData\Local\Temp\is-AAKIH.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp" /SL5="$40202,5036830,54272,C:\Users\Admin\AppData\Local\Temp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.exe"
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | aagumub.ru | udp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | aagumub.ru | udp |
| LT | 91.211.247.248:53 | aagumub.ru | udp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
Files
memory/412-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/412-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-AAKIH.tmp\a858e5ad9de806b91ea496378464b32b6bbd7df26203124018ac4702f8e77cb6.tmp
| MD5 | 7eb98740167ad7dbefff3c4d9d1fc0db |
| SHA1 | 40b8b622a22af40238bee99bcbac0779d40f54f1 |
| SHA256 | bbf8e4ad4755ba2db5fe3a5d1038c8bf5cef316d306a414f8e4ff7bd2e53e144 |
| SHA512 | 6255ccc17052e83c5c922c198622585e23e4d9035609ad35eb765c66860abf66b7246abbd994f6242efdd12344d67bbe3a2eb141622ce2d89b2a6e54c7d328e7 |
memory/496-13-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-NTCTU.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
| MD5 | 3eded396b7c393283e7d4e8a61a1e1d5 |
| SHA1 | 37bc2f9a682ecae4591ab5bfb1b9d48e766fc483 |
| SHA256 | 4af64c27f6b99556ab3f7565864118b0fd8f9edaab218753d1dd71a1979d3c9f |
| SHA512 | 01d0c1c9a3aa54ed806b74cfcea5bf013ed4b7f09b9adc444d6418d7122bfafb9f6b905145f89caac8869d393022c3d91f3a71b3647093057f7d0d0c338e35a3 |
memory/3600-59-0x0000000000400000-0x000000000073A000-memory.dmp
memory/3600-60-0x0000000000400000-0x000000000073A000-memory.dmp
memory/3600-63-0x0000000000400000-0x000000000073A000-memory.dmp
memory/3600-65-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-68-0x0000000000400000-0x000000000073A000-memory.dmp
memory/412-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/496-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2232-71-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-74-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-77-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-80-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-83-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-84-0x0000000000B70000-0x0000000000C12000-memory.dmp
memory/2232-88-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-94-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-97-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-100-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-103-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-106-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-109-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-112-0x0000000000400000-0x000000000073A000-memory.dmp
memory/2232-115-0x0000000000400000-0x000000000073A000-memory.dmp