Analysis Overview
SHA256
a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2
Threat Level: Known bad
The file a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2 was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Loads dropped DLL
Unexpected DNS network traffic destination
Executes dropped EXE
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
2024-08-03 15:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-03 15:41
Reported
2024-08-03 15:43
Platform
win10v2004-20240802-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-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.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
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\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe
"C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe"
C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp" /SL5="$3017C,3922260,54272,C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe"
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe
"C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe" -i
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe
"C:\Users\Admin\AppData\Local\Jeengle\jeengle32.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 | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| HK | 141.98.234.31:53 | bmpeubf.com | udp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| CH | 185.196.8.214:80 | bmpeubf.com | tcp |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
Files
memory/1236-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1236-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-VNIV7.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp
| MD5 | 78800d81ba6ad634d25059847cfb1baa |
| SHA1 | 022982bc0d006b40299bd553653970acb4718682 |
| SHA256 | 24a25380d33d0cf52686906e1272d13c3d467307ec7194e1186cab6f3aa3af69 |
| SHA512 | 83ffff319f2d910d001af4900098e8857dc9c4bd592e60b27ffdb0b49f9c8e1922ef61bfcdbebe9c1a37a7339a00ac98f05cba3d41f580513cb6971bcffd23a8 |
memory/1656-13-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-BIJA7.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe
| MD5 | 2261a563bfff6e976869811fb7a1cf14 |
| SHA1 | 454e427c9861fa8bfa2bf3609599134d7167207c |
| SHA256 | 882fa0179b2c4881604d2102853ae30332a1d2880b020a1c3ed8ad13e9b88f22 |
| SHA512 | eca49a363576f3aea481006f5cef57bf48d7652abc2bcf958ded77b2f60fca83cd7080064992240dfd3b9cfe1a7b74b0827e4a41942014ea918b55db472d733e |
memory/1852-52-0x0000000000400000-0x000000000088B000-memory.dmp
memory/1852-53-0x0000000000400000-0x000000000088B000-memory.dmp
memory/1852-57-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-60-0x0000000000400000-0x000000000088B000-memory.dmp
memory/1852-56-0x0000000000400000-0x000000000088B000-memory.dmp
memory/1236-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1656-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/464-63-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-66-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-69-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-72-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-75-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-78-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/464-82-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-85-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-88-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-91-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-94-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-97-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-100-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-104-0x0000000000400000-0x000000000088B000-memory.dmp
memory/464-107-0x0000000000400000-0x000000000088B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-03 15:41
Reported
2024-08-03 15:43
Platform
win11-20240802-en
Max time kernel
141s
Max time network
128s
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-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.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
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-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe
"C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe"
C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp" /SL5="$8005E,3922260,54272,C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe"
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe
"C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe" -i
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe
"C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| HK | 141.98.234.31:53 | cskeoed.net | udp |
| CH | 185.196.8.214:80 | cskeoed.net | tcp |
| NL | 45.156.23.96:2023 | tcp |
Files
memory/872-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/872-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp
| MD5 | 78800d81ba6ad634d25059847cfb1baa |
| SHA1 | 022982bc0d006b40299bd553653970acb4718682 |
| SHA256 | 24a25380d33d0cf52686906e1272d13c3d467307ec7194e1186cab6f3aa3af69 |
| SHA512 | 83ffff319f2d910d001af4900098e8857dc9c4bd592e60b27ffdb0b49f9c8e1922ef61bfcdbebe9c1a37a7339a00ac98f05cba3d41f580513cb6971bcffd23a8 |
memory/3904-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-GIF3K.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe
| MD5 | 2261a563bfff6e976869811fb7a1cf14 |
| SHA1 | 454e427c9861fa8bfa2bf3609599134d7167207c |
| SHA256 | 882fa0179b2c4881604d2102853ae30332a1d2880b020a1c3ed8ad13e9b88f22 |
| SHA512 | eca49a363576f3aea481006f5cef57bf48d7652abc2bcf958ded77b2f60fca83cd7080064992240dfd3b9cfe1a7b74b0827e4a41942014ea918b55db472d733e |
memory/2092-54-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2092-55-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-59-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2092-52-0x0000000000400000-0x000000000088B000-memory.dmp
memory/872-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3904-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2400-62-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-65-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-68-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-71-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-74-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-77-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/2400-80-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-85-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-88-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-91-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-94-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-97-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-100-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-101-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/2400-102-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/2400-106-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-109-0x0000000000400000-0x000000000088B000-memory.dmp