Analysis Overview
SHA256
d5bdef98423010f4bdca5d80ee4f598db5f2ebb8fc20b6e596e331f9b6cad06a
Threat Level: Shows suspicious behavior
The file e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 22:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 22:02
Reported
2024-04-06 22:05
Platform
win7-20240221-en
Max time kernel
143s
Max time network
139s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
| N/A | N/A | C:\Windows\www.hmhk.cn.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\www.hmhk.cn.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
| File opened for modification | C:\Windows\www.hmhk.cn.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\www.hmhk.cn.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\www.hmhk.cn.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
C:\Windows\www.hmhk.cn.exe
C:\Windows\www.hmhk.cn.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pcaa.3322.org | udp |
Files
memory/3012-1-0x0000000000350000-0x00000000003A0000-memory.dmp
memory/3012-0-0x0000000001000000-0x000000000112C000-memory.dmp
memory/3012-2-0x0000000000410000-0x0000000000411000-memory.dmp
memory/3012-4-0x0000000000300000-0x0000000000301000-memory.dmp
memory/3012-3-0x0000000000310000-0x0000000000311000-memory.dmp
memory/3012-5-0x0000000000340000-0x0000000000341000-memory.dmp
memory/3012-6-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/3012-7-0x0000000000420000-0x0000000000421000-memory.dmp
memory/3012-10-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/3012-11-0x0000000000330000-0x0000000000331000-memory.dmp
memory/3012-13-0x0000000000450000-0x0000000000451000-memory.dmp
memory/3012-12-0x00000000009D0000-0x00000000009D1000-memory.dmp
memory/3012-14-0x0000000000440000-0x0000000000441000-memory.dmp
memory/3012-15-0x0000000000990000-0x0000000000991000-memory.dmp
memory/3012-16-0x00000000009A0000-0x00000000009A1000-memory.dmp
memory/3012-17-0x00000000009E0000-0x00000000009E1000-memory.dmp
memory/3012-18-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/3012-19-0x0000000000460000-0x0000000000461000-memory.dmp
memory/3012-21-0x0000000000A00000-0x0000000000A01000-memory.dmp
memory/3012-20-0x0000000000A10000-0x0000000000A11000-memory.dmp
memory/3012-22-0x0000000000A40000-0x0000000000A41000-memory.dmp
memory/3012-23-0x0000000000A50000-0x0000000000A51000-memory.dmp
memory/3012-24-0x0000000000A60000-0x0000000000A61000-memory.dmp
memory/3012-25-0x0000000000A30000-0x0000000000A31000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
| MD5 | 382877fe1393c849a0d865a84f76f87e |
| SHA1 | 0039e16007054af463b3c191850a1d77a24c4853 |
| SHA256 | efbfd5a449f7a4a6bbdd093e12f673fcaafbe4d81c51ec2dbbf0210f57e37c5c |
| SHA512 | f6b43182c21fa84cdb2908b116f7b742ef502f9446ec359925f047079697bbd4fb3bfa47fd3a071912af5669cbdb11ef2b19a39d5ed4b510c425a223579ccdef |
memory/2680-33-0x0000000000400000-0x00000000004CF200-memory.dmp
memory/3012-34-0x0000000002AA0000-0x0000000002B70000-memory.dmp
memory/2680-35-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/1556-40-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2680-42-0x0000000000400000-0x00000000004CF200-memory.dmp
memory/3012-43-0x0000000001000000-0x000000000112C000-memory.dmp
memory/3012-44-0x0000000000350000-0x00000000003A0000-memory.dmp
memory/1556-45-0x0000000000400000-0x00000000004CF200-memory.dmp
memory/1556-47-0x0000000000250000-0x0000000000251000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 22:02
Reported
2024-04-06 22:05
Platform
win10v2004-20240226-en
Max time kernel
126s
Max time network
131s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
| N/A | N/A | C:\Windows\www.hmhk.cn.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\www.hmhk.cn.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
| File created | C:\Windows\www.hmhk.cn.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\www.hmhk.cn.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\www.hmhk.cn.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2672 wrote to memory of 1000 | N/A | C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe |
| PID 2672 wrote to memory of 1000 | N/A | C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe |
| PID 2672 wrote to memory of 1000 | N/A | C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe |
| PID 2408 wrote to memory of 5072 | N/A | C:\Windows\www.hmhk.cn.exe | C:\Program Files\Internet Explorer\IEXPLORE.EXE |
| PID 2408 wrote to memory of 5072 | N/A | C:\Windows\www.hmhk.cn.exe | C:\Program Files\Internet Explorer\IEXPLORE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3629c723403238a0ac3e45314dc4cd0_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
C:\Windows\www.hmhk.cn.exe
C:\Windows\www.hmhk.cn.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.83.221.88.in-addr.arpa | udp |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pcaa.3322.org | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pcaa.3322.org | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pcaa.3322.org | udp |
| US | 8.8.8.8:53 | pcaa.3322.org | udp |
Files
memory/2672-0-0x0000000001000000-0x000000000112C000-memory.dmp
memory/2672-1-0x0000000000660000-0x00000000006B0000-memory.dmp
memory/2672-2-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
memory/2672-3-0x0000000000650000-0x0000000000651000-memory.dmp
memory/2672-4-0x0000000000640000-0x0000000000641000-memory.dmp
memory/2672-5-0x0000000000A60000-0x0000000000A61000-memory.dmp
memory/2672-6-0x0000000000A70000-0x0000000000A71000-memory.dmp
memory/2672-8-0x0000000000A80000-0x0000000000A81000-memory.dmp
memory/2672-7-0x0000000000AB0000-0x0000000000AB1000-memory.dmp
memory/2672-10-0x0000000000A50000-0x0000000000A51000-memory.dmp
memory/2672-9-0x00000000029D0000-0x00000000029D1000-memory.dmp
memory/2672-14-0x0000000000C60000-0x0000000000C61000-memory.dmp
memory/2672-11-0x00000000029C0000-0x00000000029C1000-memory.dmp
memory/2672-15-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
memory/2672-17-0x0000000000C20000-0x0000000000C21000-memory.dmp
memory/2672-16-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
memory/2672-18-0x0000000000C30000-0x0000000000C31000-memory.dmp
memory/2672-19-0x0000000000C70000-0x0000000000C71000-memory.dmp
memory/2672-20-0x0000000000C40000-0x0000000000C41000-memory.dmp
memory/2672-21-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
memory/2672-22-0x0000000000CA0000-0x0000000000CA1000-memory.dmp
memory/2672-23-0x0000000000C90000-0x0000000000C91000-memory.dmp
memory/2672-24-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
memory/2672-25-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
memory/2672-26-0x0000000000CF0000-0x0000000000CF1000-memory.dmp
memory/2672-27-0x0000000000CC0000-0x0000000000CC1000-memory.dmp
memory/2672-28-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
| MD5 | 382877fe1393c849a0d865a84f76f87e |
| SHA1 | 0039e16007054af463b3c191850a1d77a24c4853 |
| SHA256 | efbfd5a449f7a4a6bbdd093e12f673fcaafbe4d81c51ec2dbbf0210f57e37c5c |
| SHA512 | f6b43182c21fa84cdb2908b116f7b742ef502f9446ec359925f047079697bbd4fb3bfa47fd3a071912af5669cbdb11ef2b19a39d5ed4b510c425a223579ccdef |
memory/1000-32-0x0000000000400000-0x00000000004CF200-memory.dmp
memory/1000-33-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/2408-37-0x0000000000400000-0x00000000004CF200-memory.dmp
memory/2408-39-0x0000000000630000-0x0000000000631000-memory.dmp
memory/1000-40-0x0000000000400000-0x00000000004CF200-memory.dmp
memory/2672-41-0x0000000001000000-0x000000000112C000-memory.dmp
memory/2672-42-0x0000000000660000-0x00000000006B0000-memory.dmp
memory/2408-43-0x0000000000400000-0x00000000004CF200-memory.dmp
memory/2408-44-0x0000000000630000-0x0000000000631000-memory.dmp