Analysis Overview
SHA256
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b
Threat Level: Known bad
The file 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe was found to be: Known bad.
Malicious Activity Summary
Socks5Systemz
Detect Socks5Systemz Payload
Detects executables packed with VMProtect.
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
2024-06-09 01:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-09 01:40
Reported
2024-06-09 01:43
Platform
win7-20231129-en
Max time kernel
143s
Max time network
137s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Detects executables packed with VMProtect.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
Loads dropped DLL
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-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe
"C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe"
C:\Users\Admin\AppData\Local\Temp\is-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp" /SL5="$40026,4667057,54272,C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe"
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -i
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -s
Network
| Country | Destination | Domain | Proto |
| HK | 141.98.234.31:53 | ccdigjh.net | udp |
| BG | 93.123.39.193:80 | ccdigjh.net | tcp |
Files
memory/2188-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2188-2-0x0000000000401000-0x000000000040B000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp
| MD5 | dff4f58a01a8e88e4a2f821ca761d901 |
| SHA1 | e67e24669220213f895b68c0d662b02b03469b4a |
| SHA256 | 91b049634c65dbe18368e1f2ead4ae48f62b92fdfcd119ccea0919b68bf56e76 |
| SHA512 | 049cebaa8bc30f2b7b90a49f6022271247fab2a3bc0fd2e9f36d1f27e0c37926f00deedd92b5d85a8b34f2f6e9b59ee3b7e12510cfa720935a86ba820132817a |
memory/1692-16-0x0000000000400000-0x00000000004BA000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-S79G3.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-S79G3.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
| MD5 | 2a761f4fbde370399cfb8a3df34306dd |
| SHA1 | e2fa78cb38aa55ca48f337d22afc862016772bcf |
| SHA256 | 09137001d363739719cd2fcb03f496861e4cf95fce651db08ebc2f153c36060c |
| SHA512 | 3564aa2c9c7864e9dca0e9c0c57485028714c8824bd5234395cfac0b17f6e88979417d5ddf0e491857c02bfab4d247ae915b0b70c6f0e7bdae655b05fa45d8d6 |
memory/1692-63-0x00000000033D0000-0x0000000003695000-memory.dmp
memory/2488-65-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2488-66-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2488-69-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-71-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2188-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1692-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2628-75-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/1692-78-0x00000000033D0000-0x0000000003695000-memory.dmp
memory/2628-79-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-82-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-85-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-88-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-91-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-92-0x0000000002290000-0x0000000002332000-memory.dmp
memory/2628-98-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-101-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-104-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-107-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-110-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-113-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-117-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/2628-120-0x0000000000400000-0x00000000006C5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-09 01:40
Reported
2024-06-09 01:43
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
152s
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
Detects executables packed with VMProtect.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-V29OJ.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-V29OJ.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.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
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-V29OJ.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe
"C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe"
C:\Users\Admin\AppData\Local\Temp\is-V29OJ.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-V29OJ.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp" /SL5="$800E0,4667057,54272,C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe"
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -i
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | bpqufyo.com | udp |
| BG | 93.123.39.193:80 | bpqufyo.com | tcp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| FR | 195.154.173.35:2023 | tcp | |
| US | 8.8.8.8:53 | 35.173.154.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.39.123.93.in-addr.arpa | udp |
Files
memory/4928-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4928-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-V29OJ.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp
| MD5 | dff4f58a01a8e88e4a2f821ca761d901 |
| SHA1 | e67e24669220213f895b68c0d662b02b03469b4a |
| SHA256 | 91b049634c65dbe18368e1f2ead4ae48f62b92fdfcd119ccea0919b68bf56e76 |
| SHA512 | 049cebaa8bc30f2b7b90a49f6022271247fab2a3bc0fd2e9f36d1f27e0c37926f00deedd92b5d85a8b34f2f6e9b59ee3b7e12510cfa720935a86ba820132817a |
memory/1336-10-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-CL240.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
| MD5 | 2a761f4fbde370399cfb8a3df34306dd |
| SHA1 | e2fa78cb38aa55ca48f337d22afc862016772bcf |
| SHA256 | 09137001d363739719cd2fcb03f496861e4cf95fce651db08ebc2f153c36060c |
| SHA512 | 3564aa2c9c7864e9dca0e9c0c57485028714c8824bd5234395cfac0b17f6e88979417d5ddf0e491857c02bfab4d247ae915b0b70c6f0e7bdae655b05fa45d8d6 |
memory/1892-59-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/1892-60-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/1892-63-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/1892-64-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-67-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4928-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1336-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4700-70-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-73-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-76-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-79-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-82-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-87-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-85-0x0000000002880000-0x0000000002922000-memory.dmp
memory/4700-92-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-95-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-98-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-101-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-104-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-107-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-108-0x0000000002880000-0x0000000002922000-memory.dmp
memory/4700-109-0x0000000002880000-0x0000000002922000-memory.dmp
memory/4700-113-0x0000000000400000-0x00000000006C5000-memory.dmp
memory/4700-116-0x0000000000400000-0x00000000006C5000-memory.dmp