Analysis
- max time kernel
146s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240319-en - resource tags
- submitted
29/03/2024, 07:36
General
- Target 1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
- Size 495KB
- Sample240329-jff5fsce4s
- SHA256 c0ef6cc74722f234a5d8176116dd0df60c32ce0a2ae7a7b88cf9dffd94f7f1a1
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
185.140.53.75:97
-
75237636-ccfc-402a-827d-5ad01371659e
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-07-24T01:53:34.394429836Z
-
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
97
-
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
75237636-ccfc-402a-827d-5ad01371659e
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
185.140.53.75
-
primary_dns_server
8.8.8.8
-
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
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sdEKmbTTxgFtdd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFCEE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFF5F.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1A2.tmp"3⤵
- Creates scheduled task(s)
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1300 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_jeqdxp4v.2kr.ps1
tmp1A2.tmp
tmpFF5F.tmp
memory/1696-40-0x0000000006420000-0x0000000006774000-memory.dmp
memory/1696-43-0x00000000068B0000-0x00000000068FC000-memory.dmp
memory/1696-70-0x0000000071FF0000-0x00000000727A0000-memory.dmp
memory/1696-67-0x0000000007EA0000-0x0000000007EA8000-memory.dmp
memory/1696-66-0x0000000007EC0000-0x0000000007EDA000-memory.dmp
memory/1696-65-0x0000000007DC0000-0x0000000007DD4000-memory.dmp
memory/1696-64-0x0000000007DB0000-0x0000000007DBE000-memory.dmp
memory/1696-16-0x0000000002F50000-0x0000000002F86000-memory.dmp
memory/1696-19-0x0000000071FF0000-0x00000000727A0000-memory.dmp
memory/1696-22-0x00000000056B0000-0x00000000056C0000-memory.dmp
memory/1696-23-0x00000000056B0000-0x00000000056C0000-memory.dmp
memory/1696-21-0x0000000005CF0000-0x0000000006318000-memory.dmp
memory/1696-63-0x0000000007D80000-0x0000000007D91000-memory.dmp
memory/1696-27-0x00000000058B0000-0x00000000058D2000-memory.dmp
memory/1696-28-0x0000000005B80000-0x0000000005BE6000-memory.dmp
memory/1696-29-0x0000000005BF0000-0x0000000005C56000-memory.dmp
memory/1696-62-0x0000000007E00000-0x0000000007E96000-memory.dmp
memory/1696-61-0x0000000007BF0000-0x0000000007BFA000-memory.dmp
memory/1696-60-0x0000000007B80000-0x0000000007B9A000-memory.dmp
memory/1696-59-0x00000000081C0000-0x000000000883A000-memory.dmp
memory/1696-58-0x0000000007850000-0x00000000078F3000-memory.dmp
memory/1696-44-0x00000000056B0000-0x00000000056C0000-memory.dmp
memory/1696-42-0x0000000006860000-0x000000000687E000-memory.dmp
memory/1696-45-0x000000007FC50000-0x000000007FC60000-memory.dmp
memory/1696-46-0x0000000006E50000-0x0000000006E82000-memory.dmp
memory/1696-47-0x0000000072C60000-0x0000000072CAC000-memory.dmp
memory/1696-57-0x0000000006E00000-0x0000000006E1E000-memory.dmp
memory/2568-13-0x0000000001080000-0x0000000001090000-memory.dmp
memory/2568-73-0x0000000001080000-0x0000000001090000-memory.dmp
memory/2568-41-0x0000000001080000-0x0000000001090000-memory.dmp
memory/2568-15-0x0000000075370000-0x0000000075921000-memory.dmp
memory/2568-72-0x0000000001080000-0x0000000001090000-memory.dmp
memory/2568-71-0x0000000075370000-0x0000000075921000-memory.dmp
memory/2568-12-0x0000000075370000-0x0000000075921000-memory.dmp
memory/2568-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3644-1-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3644-14-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3644-3-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3644-4-0x00000000019D0000-0x00000000019E0000-memory.dmp
memory/3644-2-0x00000000019D0000-0x00000000019E0000-memory.dmp
memory/3644-0-0x0000000075370000-0x0000000075921000-memory.dmp