Analysis Overview
SHA256
aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2ab
Threat Level: Known bad
The file aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN was found to be: Known bad.
Malicious Activity Summary
Blackmoon family
Blackmoon, KrBanker
Detect Blackmoon payload
Deletes itself
Executes dropped EXE
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 23:55
Signatures
Blackmoon family
Detect Blackmoon payload
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 23:55
Reported
2024-11-09 23:57
Platform
win7-20241010-en
Max time kernel
13s
Max time network
19s
Command Line
Signatures
Blackmoon family
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\xfbrl.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\xfbrl.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | \??\c:\xfbrl.exe |
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\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\xfbrl.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe
"C:\Users\Admin\AppData\Local\Temp\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe"
\??\c:\xfbrl.exe
c:\xfbrl.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 96
Network
Files
C:\xfbrl.exe
| MD5 | 2a965aa6007c9c05aaf53ff416733447 |
| SHA1 | cb49138903ea33fe91393d3f3507ddd13f96196a |
| SHA256 | 39a14c59c5d668a915b9a30a5769e7d139de4c74b396c5184eafc4bd3770ca9b |
| SHA512 | cb6b6236535f2ee98d00ebde700303dd348fbc70f908948ab44ecc07b7ec490f9fc8521be2da861eddbfde48e03f095983b93b12679769f3cb08123c603da394 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 23:55
Reported
2024-11-09 23:57
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
98s
Command Line
Signatures
Blackmoon family
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\httnhb.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | \??\c:\httnhb.exe |
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\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\httnhb.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2556 wrote to memory of 1176 | N/A | C:\Users\Admin\AppData\Local\Temp\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe | \??\c:\httnhb.exe |
| PID 2556 wrote to memory of 1176 | N/A | C:\Users\Admin\AppData\Local\Temp\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe | \??\c:\httnhb.exe |
| PID 2556 wrote to memory of 1176 | N/A | C:\Users\Admin\AppData\Local\Temp\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe | \??\c:\httnhb.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe
"C:\Users\Admin\AppData\Local\Temp\aa27ccab35b2c6efe143c22907cfca3364f3fc5367bded59c73f2b9acba7f2abN.exe"
\??\c:\httnhb.exe
c:\httnhb.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1176 -ip 1176
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 292
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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
C:\httnhb.exe
| MD5 | 673136702f1491c52a2c4ce804bbad30 |
| SHA1 | 2d15ef57d64821bc1d04952b67dd2a1f5a2be8c9 |
| SHA256 | 6b48bc1ee576f6d7a040128ffdf9ebed9a999d7cfa215a179b8863a7ed08a264 |
| SHA512 | fe0332d473de8cb5b78e839f3c807c2a66729b16b8390c90e65c9c431b3b7ba6c01d90cdf28016cb947e186a1bca1dafd3dc2c2f111da7ff14dbc51da6b888b2 |