Analysis Overview
SHA256
2f63ab6e1fc2c86308284d7e6becebb2b4581b6f520da008d9ea8a558718484a
Threat Level: Known bad
The file F98B2D4646C95810DB7AF07535AD6688.exe was found to be: Known bad.
Malicious Activity Summary
Socks5Systemz
Detect Socks5Systemz Payload
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-22 21:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-22 21:03
Reported
2024-02-22 21:06
Platform
win7-20240221-en
Max time kernel
117s
Max time network
18s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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-HM8A0.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe | N/A |
Loads dropped DLL
Checks installed software on the system
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-HM8A0.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-HM8A0.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-HM8A0.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\F98B2D4646C95810DB7AF07535AD6688.exe
"C:\Users\Admin\AppData\Local\Temp\F98B2D4646C95810DB7AF07535AD6688.exe"
C:\Users\Admin\AppData\Local\Temp\is-HM8A0.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp
"C:\Users\Admin\AppData\Local\Temp\is-HM8A0.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp" /SL5="$70120,4181011,54272,C:\Users\Admin\AppData\Local\Temp\F98B2D4646C95810DB7AF07535AD6688.exe"
C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe
"C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe" -i
C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe
"C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe" -s
Network
Files
memory/2232-0-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-HM8A0.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp
| MD5 | d5709c2171e58c1106a886c080be01f8 |
| SHA1 | 1f7ae64452f9ba78d65c0d4e6a4d0167f26d04d1 |
| SHA256 | 4f80b4906439bec266cc9f4552f7cfd82bdeac0d7bf29da0040a673cd6576561 |
| SHA512 | 965d1eca832cbc354717170a42833212da56117485219203758aff248ceb95139ac0a208fe5eb998467307c13e0be3dd6a1b196ef141bd462cc7642c2cdb5ccd |
memory/2020-7-0x0000000000240000-0x0000000000241000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-VU9TK.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-VU9TK.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
\Users\Admin\AppData\Local\Temp\is-VU9TK.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe
| MD5 | 6817d1a22f42e096ad657f591962d4be |
| SHA1 | 60c4bd31aef44293bc9f1b7765419f926c7da876 |
| SHA256 | 4a62e215b029be175b8d1c5d877a052be9498108dfd0e20fe0946f2345317eaa |
| SHA512 | 343728cf09fb344bb016ecfe6a9a88fada58466cd8862c3db0217790e05654859f8149e48453e35f2c3eadcbb0f053c7128398e6eaf83c17665c33b7eead4aed |
memory/2712-61-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2020-60-0x0000000003100000-0x0000000003458000-memory.dmp
memory/2712-62-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2712-63-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2712-66-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-68-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-70-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2232-71-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2020-72-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/2372-73-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2020-74-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2020-75-0x0000000003100000-0x0000000003458000-memory.dmp
memory/2372-78-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-81-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-82-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-85-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-88-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-91-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-92-0x0000000002700000-0x00000000027A2000-memory.dmp
memory/2372-94-0x0000000002700000-0x00000000027A2000-memory.dmp
memory/2372-99-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-102-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-105-0x0000000002700000-0x00000000027A2000-memory.dmp
memory/2372-106-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-109-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2372-112-0x0000000000400000-0x0000000000758000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-22 21:03
Reported
2024-02-22 21:06
Platform
win10v2004-20240221-en
Max time kernel
113s
Max time network
124s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
Checks installed software on the system
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\F98B2D4646C95810DB7AF07535AD6688.exe
"C:\Users\Admin\AppData\Local\Temp\F98B2D4646C95810DB7AF07535AD6688.exe"
C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp
"C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp" /SL5="$3022C,4181011,54272,C:\Users\Admin\AppData\Local\Temp\F98B2D4646C95810DB7AF07535AD6688.exe"
C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe
"C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe" -i
C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe
"C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
Files
memory/4868-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4868-2-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-E8K1M.tmp\F98B2D4646C95810DB7AF07535AD6688.tmp
| MD5 | d5709c2171e58c1106a886c080be01f8 |
| SHA1 | 1f7ae64452f9ba78d65c0d4e6a4d0167f26d04d1 |
| SHA256 | 4f80b4906439bec266cc9f4552f7cfd82bdeac0d7bf29da0040a673cd6576561 |
| SHA512 | 965d1eca832cbc354717170a42833212da56117485219203758aff248ceb95139ac0a208fe5eb998467307c13e0be3dd6a1b196ef141bd462cc7642c2cdb5ccd |
memory/2540-7-0x00000000007A0000-0x00000000007A1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-M0ORN.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-M0ORN.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe
| MD5 | 6817d1a22f42e096ad657f591962d4be |
| SHA1 | 60c4bd31aef44293bc9f1b7765419f926c7da876 |
| SHA256 | 4a62e215b029be175b8d1c5d877a052be9498108dfd0e20fe0946f2345317eaa |
| SHA512 | 343728cf09fb344bb016ecfe6a9a88fada58466cd8862c3db0217790e05654859f8149e48453e35f2c3eadcbb0f053c7128398e6eaf83c17665c33b7eead4aed |
memory/5016-59-0x0000000000400000-0x0000000000758000-memory.dmp
memory/5016-60-0x0000000000400000-0x0000000000758000-memory.dmp
memory/5016-64-0x0000000000400000-0x0000000000758000-memory.dmp
C:\Users\Admin\AppData\Local\VSO Inspector\vsoinspector.exe
| MD5 | c15f7495a8f6222e70d79a2bc7d8a8d4 |
| SHA1 | 103e1d93d477af85048d3a67ff931adf999cf3ad |
| SHA256 | 60bdad8aba0131faf92b09d55a1e5faa54a23be3a7f3c6feefe64da94f9edae4 |
| SHA512 | c6ee301c8be51d78f4a0e0991bf2b5ce85e662853a05fcd30503344fac4c5aee90bb82a18cde845eb44b64d3692e7bbc287f53b7f793199f57ff1b32fc3b8d64 |
memory/1376-67-0x0000000000400000-0x0000000000758000-memory.dmp
memory/4868-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2540-69-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1376-70-0x0000000000400000-0x0000000000758000-memory.dmp
memory/2540-71-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/1376-74-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-75-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-78-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-81-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-84-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-87-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/1376-88-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-90-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/1376-95-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-98-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-99-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/1376-102-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-105-0x0000000000400000-0x0000000000758000-memory.dmp
memory/1376-108-0x0000000000400000-0x0000000000758000-memory.dmp