Analysis Overview
SHA256
1778a255b790b18f042384c6ebb3176d3f3f0fd172d313b07242ac42b000132e
Threat Level: Known bad
The file 549e7f845117790309446949d7eaae7c_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Checks computer location settings
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-18 12:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-18 12:03
Reported
2024-05-18 12:06
Platform
win7-20240419-en
Max time kernel
144s
Max time network
150s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe" | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1180 set thread context of 2904 | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DOS Manager\dosmgr.exe | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DOS Manager\dosmgr.exe | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XRgItgAeBZGif" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD817.tmp"
C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDA87.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDB04.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ruffella.ddns.net | udp |
| US | 184.105.237.196:1122 | ruffella.ddns.net | tcp |
| US | 8.8.8.8:53 | ruffella.ddns.net | udp |
| US | 184.105.237.196:1122 | ruffella.ddns.net | tcp |
| US | 8.8.8.8:53 | ruffella.ddns.net | udp |
| US | 184.105.237.196:1122 | ruffella.ddns.net | tcp |
| N/A | 127.0.0.1:1122 | tcp | |
| N/A | 127.0.0.1:1122 | tcp | |
| N/A | 127.0.0.1:1122 | tcp | |
| US | 8.8.8.8:53 | ruffella.ddns.net | udp |
| US | 184.105.237.196:1122 | ruffella.ddns.net | tcp |
Files
memory/1180-0-0x000000007494E000-0x000000007494F000-memory.dmp
memory/1180-1-0x00000000009B0000-0x0000000000A3E000-memory.dmp
memory/1180-2-0x0000000074940000-0x000000007502E000-memory.dmp
memory/1180-3-0x00000000001E0000-0x00000000001F8000-memory.dmp
memory/1180-4-0x000000007494E000-0x000000007494F000-memory.dmp
memory/1180-5-0x0000000074940000-0x000000007502E000-memory.dmp
memory/1180-6-0x0000000004F30000-0x0000000004F8C000-memory.dmp
memory/1180-7-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/1180-8-0x0000000000420000-0x000000000045C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpD817.tmp
| MD5 | e700c0a6ab15f02a7b5a1012412185cd |
| SHA1 | 28c666d68ce838c122ad6ee8bbf01648b49a0679 |
| SHA256 | efc0bdb10e7fee200373d2d0c6d7437711a864a78f79f1bebfcf6b03d0ea180a |
| SHA512 | 502a8fff20e3c32152dbb6f8f41a3f3e8ae5766ef0f82268748777c854a30f5dc3de121def3fcdd45e096f5e3d42c8193b22d3dbbdd5e23663b1c3bf087c3dad |
memory/2904-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2904-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2904-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2904-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2904-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2904-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2904-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2904-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-28-0x0000000074940000-0x000000007502E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpDA87.tmp
| MD5 | 3a0c75e15140bf2cfca85d7e6088eaca |
| SHA1 | b469cb43a605342ba361122a2105d48ced8e5840 |
| SHA256 | 0bc3016b5453c9c5378835547565fbafdc625e439f29ff78dce85d68fad9913f |
| SHA512 | 468f2e45cf87c9b5b7de205a4e1255d22f71d67a35f403906091d6bcfc74612f36d0f22ef7cee774094bdb218f26304211bbf91555abffc9fd7a574f3f5788de |
C:\Users\Admin\AppData\Local\Temp\tmpDB04.tmp
| MD5 | 8f5713b14cee3089852f6c8d2a7a7d57 |
| SHA1 | 8bffbea05715c6434ad593cce8a2c737f80ff788 |
| SHA256 | ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c |
| SHA512 | 82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72 |
memory/2904-36-0x0000000000460000-0x000000000046A000-memory.dmp
memory/2904-37-0x0000000000890000-0x00000000008AE000-memory.dmp
memory/2904-38-0x00000000005B0000-0x00000000005BA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-18 12:03
Reported
2024-05-18 12:06
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
132s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe" | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3668 set thread context of 4812 | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DHCP Service\dhcpsv.exe | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DHCP Service\dhcpsv.exe | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XRgItgAeBZGif" /XML "C:\Users\Admin\AppData\Local\Temp\tmp344A.tmp"
C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp39F7.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3A46.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.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 | ruffella.ddns.net | udp |
| US | 184.105.237.196:1122 | ruffella.ddns.net | tcp |
| US | 8.8.8.8:53 | 196.237.105.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ruffella.ddns.net | udp |
| US | 184.105.237.196:1122 | ruffella.ddns.net | tcp |
| 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 |
| US | 8.8.8.8:53 | ruffella.ddns.net | udp |
| US | 184.105.237.196:1122 | ruffella.ddns.net | tcp |
| N/A | 127.0.0.1:1122 | tcp | |
| N/A | 127.0.0.1:1122 | tcp | |
| N/A | 127.0.0.1:1122 | tcp |
Files
memory/3668-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp
memory/3668-1-0x0000000000B70000-0x0000000000BFE000-memory.dmp
memory/3668-2-0x0000000005AC0000-0x0000000006064000-memory.dmp
memory/3668-4-0x00000000056F0000-0x000000000578C000-memory.dmp
memory/3668-3-0x00000000055B0000-0x0000000005642000-memory.dmp
memory/3668-5-0x0000000005660000-0x000000000566A000-memory.dmp
memory/3668-6-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/3668-7-0x00000000056A0000-0x00000000056B8000-memory.dmp
memory/3668-8-0x0000000074CAE000-0x0000000074CAF000-memory.dmp
memory/3668-9-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/3668-10-0x0000000006500000-0x000000000655C000-memory.dmp
memory/3668-11-0x00000000058F0000-0x00000000058F6000-memory.dmp
memory/3668-12-0x0000000006560000-0x000000000659C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp344A.tmp
| MD5 | 1cae09abd0d02a76a5d81546b6f599eb |
| SHA1 | 668543adabd5ee5203cda7706e90bbb34172a79c |
| SHA256 | 96c8d7881f4fccde04de2871113c04166f0fecece52fea38e0fea96ef99c3988 |
| SHA512 | df57906bb95edfb93aa08f17bfca14bb1a022a9e2a73f2973cf7ac59f1169096f6f64fa3dfd58365bbf02b00ce79af791cbc7fc83bd48b94fbb79a91d870b788 |
memory/4812-18-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\549e7f845117790309446949d7eaae7c_JaffaCakes118.exe.log
| MD5 | 84e77a587d94307c0ac1357eb4d3d46f |
| SHA1 | 83cc900f9401f43d181207d64c5adba7a85edc1e |
| SHA256 | e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99 |
| SHA512 | aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691 |
memory/3668-21-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/4812-22-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/4812-23-0x0000000074CA0000-0x0000000075450000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp39F7.tmp
| MD5 | 3a0c75e15140bf2cfca85d7e6088eaca |
| SHA1 | b469cb43a605342ba361122a2105d48ced8e5840 |
| SHA256 | 0bc3016b5453c9c5378835547565fbafdc625e439f29ff78dce85d68fad9913f |
| SHA512 | 468f2e45cf87c9b5b7de205a4e1255d22f71d67a35f403906091d6bcfc74612f36d0f22ef7cee774094bdb218f26304211bbf91555abffc9fd7a574f3f5788de |
C:\Users\Admin\AppData\Local\Temp\tmp3A46.tmp
| MD5 | a77c223a0fc492dccd6fb9975f7a8766 |
| SHA1 | 5e813636ae9b8138d78919348a5da3a6e8bd74b5 |
| SHA256 | 589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e |
| SHA512 | 315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0 |
memory/4812-31-0x0000000005870000-0x000000000587A000-memory.dmp
memory/4812-32-0x0000000005AA0000-0x0000000005ABE000-memory.dmp
memory/4812-33-0x00000000069C0000-0x00000000069CA000-memory.dmp
memory/4812-34-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/4812-35-0x0000000074CA0000-0x0000000075450000-memory.dmp