Analysis Overview
SHA256
83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c
Threat Level: Known bad
The file 83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c was found to be: Known bad.
Malicious Activity Summary
Blackmoon family
Detect Blackmoon payload
Blackmoon, KrBanker
Loads dropped DLL
Checks computer location settings
Deletes itself
Executes dropped EXE
UPX packed file
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-10 00:02
Signatures
Blackmoon family
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 00:02
Reported
2024-11-10 00:05
Platform
win7-20240903-en
Max time kernel
148s
Max time network
119s
Command Line
Signatures
Blackmoon family
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
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\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1796 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe |
| PID 1796 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe |
| PID 1796 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe |
| PID 1796 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe
"C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
Files
memory/1796-0-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1796-7-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Syslemxiizw.exe
| MD5 | 097b4977bfe6714bf0712dcb65c14b03 |
| SHA1 | c01bb385d15a7b050ad969479a0220b0e95fda9a |
| SHA256 | 3e6afb658c6a236dfdf53b45e4c4d93b089c928c7f4c2bc3b1de9fb9b4b357af |
| SHA512 | c0f4d46e722a7d3152efaa343aea9f808c1b6e0f9403f56d581d0e787638b5b3d1f6ebf70d712e01edd7d8f26f15f18fe0ae737b855f133fec4d4ee88916649f |
memory/2784-17-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1796-15-0x00000000037D0000-0x000000000384F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | f89bb0954242fa3816f9e8d05b3cec36 |
| SHA1 | e09be2a100c80b49e5600eb29cd3a2bc06a827d2 |
| SHA256 | cd1ac67cb37d864d9444c5d8f0ad6c37a14c25b3eb438af50d67b31fd0af4921 |
| SHA512 | a225f6403900c9737f72691a5b800a4db5810d8cf254d4f0888ae4f7d5b0ab1aed02a02f4a34c3ed60d9cc84a48a9a057fdcb5f0c1f684890188bb03be902c55 |
memory/2784-21-0x0000000000400000-0x000000000047F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 00:02
Reported
2024-11-10 00:05
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
134s
Command Line
Signatures
Blackmoon family
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
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\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1492 wrote to memory of 4496 | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe |
| PID 1492 wrote to memory of 4496 | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe |
| PID 1492 wrote to memory of 4496 | N/A | C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe | C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe
"C:\Users\Admin\AppData\Local\Temp\83fd3c691931b6cfee538eb0f688ac14a06a2715a1d7b9970ccba22c52b1a85c.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/1492-0-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Syslemwdqju.exe
| MD5 | 670401416ac7359cdd2118d19b92424d |
| SHA1 | 61a3245e3d26b07a8fe8470ee17d1c145da65758 |
| SHA256 | d543ff9be454e50ab10d8ed6e7454db087c16fd6ce464b4f71a6366173fc1a79 |
| SHA512 | 728f9f304f97147632d337e20e793c96d03abd41c1ddeae327a80c4c07fec150615eca634280a0d302eac17d55b32125ccfa71e77afc4f7a1f18c353b60b1f94 |
memory/1492-14-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | f89bb0954242fa3816f9e8d05b3cec36 |
| SHA1 | e09be2a100c80b49e5600eb29cd3a2bc06a827d2 |
| SHA256 | cd1ac67cb37d864d9444c5d8f0ad6c37a14c25b3eb438af50d67b31fd0af4921 |
| SHA512 | a225f6403900c9737f72691a5b800a4db5810d8cf254d4f0888ae4f7d5b0ab1aed02a02f4a34c3ed60d9cc84a48a9a057fdcb5f0c1f684890188bb03be902c55 |
memory/4496-16-0x0000000000400000-0x000000000047F000-memory.dmp