Analysis Overview
SHA256
749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca
Threat Level: Known bad
The file 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca was found to be: Known bad.
Malicious Activity Summary
Blackmoon, KrBanker
Detect Blackmoon payload
Blackmoon family
Deletes itself
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
UPX packed file
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-18 19:26
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
2024-10-18 19:26
Reported
2024-10-18 19:27
Platform
win7-20240903-en
Max time kernel
59s
Max time network
16s
Command Line
Signatures
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 |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.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 |
| 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\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2848 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe |
| PID 2848 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe |
| PID 2848 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe |
| PID 2848 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe
"C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
Files
memory/2848-0-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2848-7-0x0000000000400000-0x000000000046E000-memory.dmp
\Users\Admin\AppData\Local\Temp\Syslemkchgb.exe
| MD5 | 3dae46c6c17dcf650b7c5353a81ef31e |
| SHA1 | 1f93b5c83fa49e6bd08b49dff28e2c841499c932 |
| SHA256 | 2440ad23231ac4720700db07cb98f13b34d8a67b863348adc3d27ec9862b29b5 |
| SHA512 | 333f90ae2fdbd8b30120747540ca8d82368f95a9b4e74eb6016d74851d040b8942e2f4fca10f405be888a7bd0038c65a75ce842b95e93c0092a5d09534c0d7fe |
memory/2596-18-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2848-17-0x0000000003160000-0x00000000031CE000-memory.dmp
memory/2848-11-0x0000000003160000-0x00000000031CE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | fb8abda925a7cb9a18da9e549724471d |
| SHA1 | 0c21ff317ab37de37e6b1a395e2a84700cf57ba0 |
| SHA256 | cbba1a97f432a53f3618722a406b77fba78e4f5c61a0d07145e894043a2a0cc0 |
| SHA512 | b230ef8fb52fc6eca54b1319df6a8344deb4dcfa23b645dc99deca9ed71976996951bb7b3a2cb6f92293cbb09e36c47ce1954a0bfbd0552539778b1e1950b3ec |
memory/2596-22-0x0000000000400000-0x000000000046E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-18 19:26
Reported
2024-10-18 19:27
Platform
win10v2004-20241007-en
Max time kernel
59s
Max time network
39s
Command Line
Signatures
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.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\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 904 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe |
| PID 904 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe |
| PID 904 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe | C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe
"C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe"
C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe
"C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i2.tietuku.com | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.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 | 110.11.19.2.in-addr.arpa | udp |
Files
memory/904-0-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe
| MD5 | ba1f82f91f1ae28cf5888ac1d0880916 |
| SHA1 | 8d0762bbca8f61ff8f70849ef25dc0465837e224 |
| SHA256 | 43f3d8ccef6096a9f6b74b507ac0d4ead58dc8754a0628da48fd3d9a92320756 |
| SHA512 | d137f073ad1761e5f9e2aca2ad919e5db145ef31e884ee3f3504bb8960a2ca4944cbbc33869f7b6960ed4d448cc406039d715d78923e8cc823e265a0b41abb8e |
memory/904-14-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lpath.ini
| MD5 | fb8abda925a7cb9a18da9e549724471d |
| SHA1 | 0c21ff317ab37de37e6b1a395e2a84700cf57ba0 |
| SHA256 | cbba1a97f432a53f3618722a406b77fba78e4f5c61a0d07145e894043a2a0cc0 |
| SHA512 | b230ef8fb52fc6eca54b1319df6a8344deb4dcfa23b645dc99deca9ed71976996951bb7b3a2cb6f92293cbb09e36c47ce1954a0bfbd0552539778b1e1950b3ec |
memory/1436-16-0x0000000000400000-0x000000000046E000-memory.dmp