Analysis Overview
SHA256
0f6f1b083f51dc517b4a31a678045ea62fea049a73ca10a5d6299781fb9dda2b
Threat Level: Known bad
The file 8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-30 12:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 12:52
Reported
2024-05-30 12:55
Platform
win7-20240221-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
AsyncRat
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1084 set thread context of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe |
| PID 1832 set thread context of 1624 | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "dllwindomedia" /tr '"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp86AD.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "dllwindomedia" /tr '"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\dllwindomedia.exe
"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"
C:\Users\Admin\AppData\Roaming\dllwindomedia.exe
"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"
C:\Users\Admin\AppData\Roaming\dllwindomedia.exe
"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | julian.linkpc.net | udp |
| SG | 139.99.66.103:3468 | julian.linkpc.net | tcp |
Files
memory/1084-0-0x000000007470E000-0x000000007470F000-memory.dmp
memory/1084-1-0x00000000011B0000-0x00000000011FE000-memory.dmp
memory/1084-2-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/1084-3-0x0000000000220000-0x000000000022A000-memory.dmp
memory/1084-4-0x000000007470E000-0x000000007470F000-memory.dmp
memory/1084-5-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/1084-6-0x0000000000690000-0x00000000006C4000-memory.dmp
memory/1084-7-0x00000000004D0000-0x00000000004E4000-memory.dmp
memory/2376-8-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2376-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2376-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2376-11-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2376-10-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2376-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1084-21-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2376-17-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2376-22-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2376-20-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2376-23-0x0000000074700000-0x0000000074DEE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp86AD.tmp.bat
| MD5 | 8704952169d580ca61d6dd50d3441e2b |
| SHA1 | 63c7faac2abee29d45b3bb4824bda4e9ed0e5c86 |
| SHA256 | 2b0edc08c7fdc2bd0f156f55490da8f67dc512740872db254a87a081dd8bc2c1 |
| SHA512 | c8c2f3c0d59fd35e548354bde9d7957da1410efb3d03bb1ba6e00e9f7cfc67c5c5c02cff0f53d5c3276a192d085a07e46536a3ef47cdc24f7f68171bdbcf57ca |
memory/2376-33-0x0000000074700000-0x0000000074DEE000-memory.dmp
\Users\Admin\AppData\Roaming\dllwindomedia.exe
| MD5 | 8434a41cabac8f53e86d625e0d57cf38 |
| SHA1 | 78797526055dba20f4cc04c6bc243a3db1ba666e |
| SHA256 | 0f6f1b083f51dc517b4a31a678045ea62fea049a73ca10a5d6299781fb9dda2b |
| SHA512 | f296ea72764c77eb8df2a66dc5171d8ae6d6d01f874957c52490b66aea47b82a06b0e15555f6659ce1b3a42361c178fa5f9ce7e0be93f2713d73d257ff6db0b3 |
memory/1832-37-0x0000000000270000-0x00000000002BE000-memory.dmp
memory/1832-38-0x0000000004E80000-0x0000000004EB4000-memory.dmp
memory/1624-52-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1624-51-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1624-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 12:52
Reported
2024-05-30 12:54
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
AsyncRat
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2024 set thread context of 1900 | N/A | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe |
| PID 4240 set thread context of 4804 | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dllwindomedia.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "dllwindomedia" /tr '"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1AF5.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "dllwindomedia" /tr '"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\dllwindomedia.exe
"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"
C:\Users\Admin\AppData\Roaming\dllwindomedia.exe
"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"
C:\Users\Admin\AppData\Roaming\dllwindomedia.exe
"C:\Users\Admin\AppData\Roaming\dllwindomedia.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | julian.linkpc.net | udp |
| SG | 139.99.66.103:3468 | julian.linkpc.net | tcp |
| SG | 139.99.66.103:3468 | julian.linkpc.net | tcp |
| US | 8.8.8.8:53 | 213.143.182.52.in-addr.arpa | udp |
Files
memory/2024-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
memory/2024-1-0x0000000000A20000-0x0000000000A6E000-memory.dmp
memory/2024-2-0x0000000005480000-0x000000000551C000-memory.dmp
memory/2024-3-0x0000000005AD0000-0x0000000006074000-memory.dmp
memory/2024-4-0x0000000005520000-0x00000000055B2000-memory.dmp
memory/2024-5-0x0000000005420000-0x000000000542A000-memory.dmp
memory/2024-6-0x0000000005740000-0x0000000005796000-memory.dmp
memory/2024-7-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/2024-8-0x0000000005700000-0x000000000570A000-memory.dmp
memory/2024-9-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
memory/2024-10-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/2024-11-0x0000000006490000-0x00000000064C4000-memory.dmp
memory/2024-12-0x00000000065C0000-0x00000000065D4000-memory.dmp
memory/1900-13-0x0000000000400000-0x0000000000412000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8434a41cabac8f53e86d625e0d57cf38_JaffaCakes118.exe.log
| MD5 | 17573558c4e714f606f997e5157afaac |
| SHA1 | 13e16e9415ceef429aaf124139671ebeca09ed23 |
| SHA256 | c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553 |
| SHA512 | f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc |
memory/1900-16-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/2024-17-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/1900-18-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/1900-22-0x0000000074EE0000-0x0000000075690000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1AF5.tmp.bat
| MD5 | 3dbad435c83dfd94337d4773d5b422f5 |
| SHA1 | 46a747d9a74dd06b055627204ef70fe078d226f7 |
| SHA256 | c97fc1c48ca10ccda2708b9099878f40ef63f554e42df2af73bc9d7d7ae2055e |
| SHA512 | 00a071e528475595b0bf890f7d090c81dc64ff4ea8f9a5eac6b469b1207f19c0f5dcccf064409aeb772a4fca01df35c8f54aab3471d72a9725136c15b7dbb3f6 |
C:\Users\Admin\AppData\Roaming\dllwindomedia.exe
| MD5 | 8434a41cabac8f53e86d625e0d57cf38 |
| SHA1 | 78797526055dba20f4cc04c6bc243a3db1ba666e |
| SHA256 | 0f6f1b083f51dc517b4a31a678045ea62fea049a73ca10a5d6299781fb9dda2b |
| SHA512 | f296ea72764c77eb8df2a66dc5171d8ae6d6d01f874957c52490b66aea47b82a06b0e15555f6659ce1b3a42361c178fa5f9ce7e0be93f2713d73d257ff6db0b3 |
memory/4240-27-0x0000000005D80000-0x0000000005D94000-memory.dmp