Analysis
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max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
02-06-2024 05:49
Static task
static1
Behavioral task
behavioral1
Sample
8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe
Resource
win7-20231129-en
General
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Target
8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe
-
Size
510KB
-
MD5
8d1432233fbf50a4bed2cde7d02a15fb
-
SHA1
7bdbca043befbdbc1bf8a4f4d18605d6ef05a02d
-
SHA256
6a7b877bba0381cfffcba61432c25bdd0d06bc5c3f3f7e341cbda2400f3450fd
-
SHA512
84a14778d2e6c1d5f5449312cad241707c3a9f88671697980b3444bea0e90ef5a53b994e33dc5210bad4da9d1b33587bcb4a83ef30a4654da46c7b0f2254ebcf
-
SSDEEP
12288:12qUdOQ97ZMO8EBqHCeXnBK9D0UEMPhnBCnZ3CXvspD:12qIOQ3qPXna0sE3CEpD
Malware Config
Extracted
nanocore
1.2.2.0
184.75.209.163:1718
a33526f3-84a9-41c6-a470-86610803cdd6
-
activate_away_mode
true
-
backup_connection_host
184.75.209.163
- backup_dns_server
-
buffer_size
65535
-
build_time
2018-03-25T06:03:50.753224836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
1718
-
default_group
CHRONE
-
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
a33526f3-84a9-41c6-a470-86610803cdd6
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
184.75.209.163
- primary_dns_server
-
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
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Drops startup file 2 IoCs
Processes:
cmd.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe cmd.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
app.exeapp.exepid process 2160 app.exe 2812 app.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
app.exeapp.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\app.exe -boot" app.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe" app.exe -
Processes:
app.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA app.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
app.exedescription pid process target process PID 2160 set thread context of 2812 2160 app.exe app.exe -
Drops file in Program Files directory 2 IoCs
Processes:
app.exedescription ioc process File created C:\Program Files (x86)\TCP Service\tcpsv.exe app.exe File opened for modification C:\Program Files (x86)\TCP Service\tcpsv.exe app.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
app.exepid process 2812 app.exe 2812 app.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
app.exepid process 2812 app.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exeapp.exeapp.exedescription pid process Token: SeDebugPrivilege 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe Token: SeDebugPrivilege 2160 app.exe Token: SeDebugPrivilege 2812 app.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exeexplorer.exeapp.exedescription pid process target process PID 2240 wrote to memory of 2592 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe cmd.exe PID 2240 wrote to memory of 2592 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe cmd.exe PID 2240 wrote to memory of 2592 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe cmd.exe PID 2240 wrote to memory of 2592 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe cmd.exe PID 2240 wrote to memory of 2516 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe explorer.exe PID 2240 wrote to memory of 2516 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe explorer.exe PID 2240 wrote to memory of 2516 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe explorer.exe PID 2240 wrote to memory of 2516 2240 8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe explorer.exe PID 2508 wrote to memory of 2160 2508 explorer.exe app.exe PID 2508 wrote to memory of 2160 2508 explorer.exe app.exe PID 2508 wrote to memory of 2160 2508 explorer.exe app.exe PID 2508 wrote to memory of 2160 2508 explorer.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe PID 2160 wrote to memory of 2812 2160 app.exe app.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"2⤵
- Drops startup file
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exeFilesize
510KB
MD58d1432233fbf50a4bed2cde7d02a15fb
SHA17bdbca043befbdbc1bf8a4f4d18605d6ef05a02d
SHA2566a7b877bba0381cfffcba61432c25bdd0d06bc5c3f3f7e341cbda2400f3450fd
SHA51284a14778d2e6c1d5f5449312cad241707c3a9f88671697980b3444bea0e90ef5a53b994e33dc5210bad4da9d1b33587bcb4a83ef30a4654da46c7b0f2254ebcf
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memory/2160-10-0x0000000000A70000-0x0000000000AF6000-memory.dmpFilesize
536KB
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memory/2160-11-0x00000000002E0000-0x00000000002F6000-memory.dmpFilesize
88KB
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memory/2240-0-0x000000007415E000-0x000000007415F000-memory.dmpFilesize
4KB
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memory/2240-1-0x0000000001160000-0x00000000011E6000-memory.dmpFilesize
536KB
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memory/2240-2-0x0000000074150000-0x000000007483E000-memory.dmpFilesize
6.9MB
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memory/2240-3-0x0000000000220000-0x0000000000236000-memory.dmpFilesize
88KB
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memory/2240-4-0x000000007415E000-0x000000007415F000-memory.dmpFilesize
4KB
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memory/2240-5-0x0000000074150000-0x000000007483E000-memory.dmpFilesize
6.9MB
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memory/2240-12-0x0000000074150000-0x000000007483E000-memory.dmpFilesize
6.9MB
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memory/2812-13-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2812-16-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2812-17-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2812-19-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2812-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2812-22-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2812-25-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2812-24-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2812-28-0x0000000000540000-0x000000000054A000-memory.dmpFilesize
40KB
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memory/2812-29-0x0000000000550000-0x000000000056E000-memory.dmpFilesize
120KB
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memory/2812-30-0x0000000000570000-0x000000000057A000-memory.dmpFilesize
40KB