Analysis Overview
SHA256
8c2f6b4e75a6b1e473c508245daa01473e0f89a114986d7ffef169e1f49dd335
Threat Level: Known bad
The file 5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Blackmoon family
Blackmoon, KrBanker
Detect Blackmoon payload
Deletes itself
Executes dropped EXE
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-18 01:29
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
2024-05-18 01:29
Reported
2024-05-18 01:31
Platform
win7-20240419-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
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:\xxxrxrl.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\xxxrxrl.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | \??\c:\xxxrxrl.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2056 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe | \??\c:\xxxrxrl.exe |
| PID 2056 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe | \??\c:\xxxrxrl.exe |
| PID 2056 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe | \??\c:\xxxrxrl.exe |
| PID 2056 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe | \??\c:\xxxrxrl.exe |
| PID 3036 wrote to memory of 3032 | N/A | \??\c:\xxxrxrl.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3036 wrote to memory of 3032 | N/A | \??\c:\xxxrxrl.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3036 wrote to memory of 3032 | N/A | \??\c:\xxxrxrl.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3036 wrote to memory of 3032 | N/A | \??\c:\xxxrxrl.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe"
\??\c:\xxxrxrl.exe
c:\xxxrxrl.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 96
Network
Files
C:\xxxrxrl.exe
| MD5 | e6dc8e7a5a77423731ae57a2d4fe12a6 |
| SHA1 | 1b599f31e1544435401be7c8fb7ea846ed2ccc0c |
| SHA256 | 5b87d2168b0554dd3a0c5de5f647cf16501b29702d2b49b2f853b1267bf7c138 |
| SHA512 | 9aac891acb1d423ecec63d84e64c43a0ae512d10709d77ca97e44a2d589bc1c74b92716342e647c15d876f24b800880662ff6ac66a9bc1bbbbd849bce1dd2fe4 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-18 01:29
Reported
2024-05-18 01:31
Platform
win10v2004-20240508-en
Max time kernel
139s
Max time network
153s
Command Line
Signatures
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:\tnbthn.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\tnbthn.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | \??\c:\tnbthn.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3668 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe | \??\c:\tnbthn.exe |
| PID 3668 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe | \??\c:\tnbthn.exe |
| PID 3668 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe | \??\c:\tnbthn.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe"
\??\c:\tnbthn.exe
c:\tnbthn.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2192 -ip 2192
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 280
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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
C:\tnbthn.exe
| MD5 | eb9d427ba1d997083e08d6219e42b40d |
| SHA1 | 64aa763b0654e5e45277454b79e401a575dfc709 |
| SHA256 | 8c153c63138bcb9038687d6541ea62417126810aed74cb3afb3fc11bc05934a2 |
| SHA512 | d6107f79374b7377efd87184a59bf7ba89438695cd719903b65c1925fdd21ddc9d29270196016fdfe77060f28f891e2bcba9c8d3efdd31ac50b10f90b8cce343 |