Analysis Overview
SHA256
a045aae04ded2c18b1ab1e206c18bf954844afd6b9c6e9efcecc4cc05dae71da
Threat Level: Known bad
The file IkpQaE4MtUvIW5WFsHjc3NdL.exe was found to be: Known bad.
Malicious Activity Summary
Socks5Systemz
Detect Socks5Systemz Payload
Loads dropped DLL
Executes dropped EXE
Unexpected DNS network traffic destination
Checks installed software on the system
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-04 13:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-04 13:43
Reported
2024-08-04 13:45
Platform
win7-20240704-en
Max time kernel
144s
Max time network
145s
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-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 45.155.250.90 | N/A | N/A |
Checks installed software on the system
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe
"C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe"
C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp" /SL5="$40216,4067069,54272,C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe"
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe" -i
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe" -s
Network
| Country | Destination | Domain | Proto |
| SE | 45.155.250.90:53 | aqdslab.ru | udp |
| CH | 185.196.8.214:80 | aqdslab.ru | tcp |
Files
memory/2240-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2240-0-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-LI92C.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp
| MD5 | aaba635266ad32cae153be9b39c3e16e |
| SHA1 | 9d4338d105ccb852e8cd7ec055840c62e65e3555 |
| SHA256 | e7c0bb4fbfd84a21e1560589d150f204689f5514964c328fe876c03bbf3399f9 |
| SHA512 | 70f09e276cefa6a57dbf97050be69f5f9fa4a8f39e1649b7d2c712447f6e3f27ac86d060d99dcf06484d9d25867d5a3b14aa9f5da8406a8915e34098d3606f67 |
memory/2704-11-0x0000000000400000-0x00000000004BD000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-2Q6DO.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-2Q6DO.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
\Users\Admin\AppData\Local\Temp\is-2Q6DO.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe
| MD5 | 9b042eff3b0588152789eaf936240a98 |
| SHA1 | b7dc00b65a62e942e395c472a1f9dc20fd521e7b |
| SHA256 | ea7652fd71370f4f6c76816719b6902bb63e39c03a3ddce57b447f2503b815e2 |
| SHA512 | 2dfc8ba920d69f93400ba40268d03b9c9669cc08364fe62b63a322177edac5dc824e2de66bed0695e8317c4a99bd61f80ebaa5ee8282eb6863ac121fb46d969a |
memory/2704-58-0x0000000004490000-0x0000000004755000-memory.dmp
memory/2776-60-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2776-61-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2776-65-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2704-67-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2240-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/788-69-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-73-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2704-74-0x0000000004490000-0x0000000004755000-memory.dmp
memory/788-77-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-80-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-83-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-86-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-89-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-90-0x00000000022D0000-0x0000000002372000-memory.dmp
memory/788-96-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-99-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-102-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-105-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-108-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-111-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/788-115-0x0000000000400000-0x00000000006C5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-04 13:43
Reported
2024-08-04 13:45
Platform
win10v2004-20240802-en
Max time kernel
142s
Max time network
136s
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-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 45.155.250.90 | N/A | N/A |
Checks installed software on the system
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe
"C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe"
C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp" /SL5="$7023C,4067069,54272,C:\Users\Admin\AppData\Local\Temp\IkpQaE4MtUvIW5WFsHjc3NdL.exe"
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe" -i
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | bxmbzho.com | udp |
| CH | 185.196.8.214:80 | bxmbzho.com | tcp |
| NL | 89.105.201.183:2023 | tcp | |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.201.105.89.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
Files
memory/4884-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4884-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-FKLG6.tmp\IkpQaE4MtUvIW5WFsHjc3NdL.tmp
| MD5 | aaba635266ad32cae153be9b39c3e16e |
| SHA1 | 9d4338d105ccb852e8cd7ec055840c62e65e3555 |
| SHA256 | e7c0bb4fbfd84a21e1560589d150f204689f5514964c328fe876c03bbf3399f9 |
| SHA512 | 70f09e276cefa6a57dbf97050be69f5f9fa4a8f39e1649b7d2c712447f6e3f27ac86d060d99dcf06484d9d25867d5a3b14aa9f5da8406a8915e34098d3606f67 |
memory/3708-13-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-RJU38.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Temp\is-RJU38.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree32.exe
| MD5 | 9b042eff3b0588152789eaf936240a98 |
| SHA1 | b7dc00b65a62e942e395c472a1f9dc20fd521e7b |
| SHA256 | ea7652fd71370f4f6c76816719b6902bb63e39c03a3ddce57b447f2503b815e2 |
| SHA512 | 2dfc8ba920d69f93400ba40268d03b9c9669cc08364fe62b63a322177edac5dc824e2de66bed0695e8317c4a99bd61f80ebaa5ee8282eb6863ac121fb46d969a |
memory/1508-58-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/1508-59-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/1508-60-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/1508-63-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-66-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4884-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3708-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4508-69-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-72-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-75-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-78-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-81-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-84-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/4508-86-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-91-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-94-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-97-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-100-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-103-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-106-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-107-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/4508-108-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/4508-112-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4508-115-0x0000000000400000-0x00000000006C5000-memory.dmp