Analysis
-
max time kernel
140s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 00:24
Static task
static1
Behavioral task
behavioral1
Sample
c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
Resource
win7-20240729-en
General
-
Target
c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
-
Size
445KB
-
MD5
c5052a4af2f30bb484ed1814798b3348
-
SHA1
e1b3256191cd19bbb654667a9a2f1ae2218bd221
-
SHA256
82f425150e933ae4f1f3174cf68bbfdb0e8ed8767b511e80ff95595881c9867b
-
SHA512
5283d6182f50d2332025f8310604478379d34c34effd300f3ab18752e20ce96b41eb2f45b582e67d73ee2c1e3387479029f7620f84d149886f4a0fe4bae503c9
-
SSDEEP
12288:D0aTjl7CIIf7lfoQpxmk/9z92FQI8n42ru:RTjlGIIfB5pQIfo8n42C
Malware Config
Extracted
nanocore
1.2.2.0
195.242.110.183:5654
91612fd5-69d9-4114-9ab3-91d748463d48
-
activate_away_mode
true
-
backup_connection_host
195.242.110.183
-
backup_dns_server
195.242.110.183
-
buffer_size
65535
-
build_time
2021-05-21T07:22:15.520160336Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
5654
-
default_group
Default
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
91612fd5-69d9-4114-9ab3-91d748463d48
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
195.242.110.183
-
primary_dns_server
195.242.110.183
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
Nanocore family
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsvc.exe" c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4720 set thread context of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DHCP Service\dhcpsvc.exe c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\DHCP Service\dhcpsvc.exe c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5864 schtasks.exe 3672 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1360 powershell.exe 1360 powershell.exe 4840 powershell.exe 4840 powershell.exe 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1360 powershell.exe Token: SeIncreaseQuotaPrivilege 1360 powershell.exe Token: SeSecurityPrivilege 1360 powershell.exe Token: SeTakeOwnershipPrivilege 1360 powershell.exe Token: SeLoadDriverPrivilege 1360 powershell.exe Token: SeSystemProfilePrivilege 1360 powershell.exe Token: SeSystemtimePrivilege 1360 powershell.exe Token: SeProfSingleProcessPrivilege 1360 powershell.exe Token: SeIncBasePriorityPrivilege 1360 powershell.exe Token: SeCreatePagefilePrivilege 1360 powershell.exe Token: SeBackupPrivilege 1360 powershell.exe Token: SeRestorePrivilege 1360 powershell.exe Token: SeShutdownPrivilege 1360 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeSystemEnvironmentPrivilege 1360 powershell.exe Token: SeRemoteShutdownPrivilege 1360 powershell.exe Token: SeUndockPrivilege 1360 powershell.exe Token: SeManageVolumePrivilege 1360 powershell.exe Token: 33 1360 powershell.exe Token: 34 1360 powershell.exe Token: 35 1360 powershell.exe Token: 36 1360 powershell.exe Token: SeIncreaseQuotaPrivilege 1360 powershell.exe Token: SeSecurityPrivilege 1360 powershell.exe Token: SeTakeOwnershipPrivilege 1360 powershell.exe Token: SeLoadDriverPrivilege 1360 powershell.exe Token: SeSystemProfilePrivilege 1360 powershell.exe Token: SeSystemtimePrivilege 1360 powershell.exe Token: SeProfSingleProcessPrivilege 1360 powershell.exe Token: SeIncBasePriorityPrivilege 1360 powershell.exe Token: SeCreatePagefilePrivilege 1360 powershell.exe Token: SeBackupPrivilege 1360 powershell.exe Token: SeRestorePrivilege 1360 powershell.exe Token: SeShutdownPrivilege 1360 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeSystemEnvironmentPrivilege 1360 powershell.exe Token: SeRemoteShutdownPrivilege 1360 powershell.exe Token: SeUndockPrivilege 1360 powershell.exe Token: SeManageVolumePrivilege 1360 powershell.exe Token: 33 1360 powershell.exe Token: 34 1360 powershell.exe Token: 35 1360 powershell.exe Token: 36 1360 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeIncreaseQuotaPrivilege 4840 powershell.exe Token: SeSecurityPrivilege 4840 powershell.exe Token: SeTakeOwnershipPrivilege 4840 powershell.exe Token: SeLoadDriverPrivilege 4840 powershell.exe Token: SeSystemProfilePrivilege 4840 powershell.exe Token: SeSystemtimePrivilege 4840 powershell.exe Token: SeProfSingleProcessPrivilege 4840 powershell.exe Token: SeIncBasePriorityPrivilege 4840 powershell.exe Token: SeCreatePagefilePrivilege 4840 powershell.exe Token: SeBackupPrivilege 4840 powershell.exe Token: SeRestorePrivilege 4840 powershell.exe Token: SeShutdownPrivilege 4840 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeSystemEnvironmentPrivilege 4840 powershell.exe Token: SeRemoteShutdownPrivilege 4840 powershell.exe Token: SeUndockPrivilege 4840 powershell.exe Token: SeManageVolumePrivilege 4840 powershell.exe Token: 33 4840 powershell.exe Token: 34 4840 powershell.exe Token: 35 4840 powershell.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4720 wrote to memory of 1360 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 83 PID 4720 wrote to memory of 1360 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 83 PID 4720 wrote to memory of 1360 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 83 PID 4720 wrote to memory of 4840 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 91 PID 4720 wrote to memory of 4840 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 91 PID 4720 wrote to memory of 4840 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 91 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 4720 wrote to memory of 3004 4720 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 100 PID 3004 wrote to memory of 3672 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 101 PID 3004 wrote to memory of 3672 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 101 PID 3004 wrote to memory of 3672 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 101 PID 3004 wrote to memory of 5864 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 103 PID 3004 wrote to memory of 5864 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 103 PID 3004 wrote to memory of 5864 3004 c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe 103
Processes
-
C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.82⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1360
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.82⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4840
-
-
C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE9A4.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3672
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEA03.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5864
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe.log
Filesize1KB
MD57ebe314bf617dc3e48b995a6c352740c
SHA1538f643b7b30f9231a3035c448607f767527a870
SHA25648178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8
SHA5120ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e
-
Filesize
2KB
MD50774a05ce5ee4c1af7097353c9296c62
SHA1658ff96b111c21c39d7ad5f510fb72f9762114bb
SHA256d9c5347ed06755feeb0615f1671f6b91e2718703da0dbc4b0bd205cbd2896dd4
SHA512104d69fc4f4aaa5070b78ada130228939c7e01436351166fe51fe2da8a02f9948e6d92dd676f62820da1813872b91411e2f863c9a98a760581ec34d4aa354994
-
Filesize
19KB
MD5788d1c0231c39c83b355f003b2aaafac
SHA1c839244e69e1765577ad67024ea131ef96bd97cc
SHA25671f776ed11e5fdff9d51c197cea44a0a1fddc04b06f47eaac7623f1fc3036383
SHA5122933a8c20a8d14c4a108e3e97bf2f25ab98d15d06bb28f177c264c61237d4d50a658ea6c540d014e7cdf90624367617f5bfbce9665c4866c7864462605d71e52
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5e6a32e0c3c2d508fbceb4b4c35aef127
SHA103aec97f485fb9d33989f74683f8a191cd747187
SHA256e530569890d87203f16610bfc5cac4a47ce2fba5ef7ec5f3f12e806bd92f4582
SHA512d2f8c2a604c98c259096e4e262bcd1079975d5d52ac6e750e74e37ab27bd622c5e7a89b35f1e5ea7943b8dbc001591a8645c835f2d01e795337e7f8b026fd58e
-
Filesize
1KB
MD57f4b37265a0a4b0fea67999d11d911e8
SHA11b8e13e6a27c3768c30cf713b79eaa8a757e1349
SHA25639b16b3a00b6b43c6820357127228c0768a577153014ce7b0ea3c585244dc08b
SHA512ef97ccfb663555aedc7fdc4b3ac4cd6536c80a778b4ec3bc6124a09544733988de1dac1e6a3714b0d6e8713e3523e0732d5dfcf674f2c5e1f3eadacb0c8e5e03