Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21-04-2024 16:26
Static task
static1
Behavioral task
behavioral1
Sample
ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe
Resource
win7-20240221-en
General
-
Target
ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe
-
Size
688KB
-
MD5
ffb31463ba10f652b0dd8bc10e734b46
-
SHA1
bfc2c18c7ea8f41823e5e1d89d2971fafa4966dd
-
SHA256
8ca049e0699925d3ea76cb769814c220c410f29eae2f862ddbb03361e5a92d73
-
SHA512
7cbc5aa59554d36eaf0daab10e1c7353b068cb65fb2afe225ef4812e43c90b1d0681c17c0924816a27850277c8b3b39fd388c72232b57615220dbbac9976a2e6
-
SSDEEP
12288:Xx3TRu7iS/d3486AVmnmnk8RE9P6aowdJ5bUB0XKXHK:XZRxS/d3Y0RRE1Jq6XKa
Malware Config
Extracted
nanocore
1.2.2.0
91.193.75.228:1985
127.0.0.1:1985
76ab9a6f-655c-4b06-a052-5a2cb9e07a2f
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-05-07T21:13:54.381433036Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1985
-
default_group
KingT
-
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
76ab9a6f-655c-4b06-a052-5a2cb9e07a2f
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
91.193.75.228
-
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
-
CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
Processes:
resource yara_rule behavioral1/memory/2656-3-0x0000000000260000-0x0000000000272000-memory.dmp CustAttr -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exedescription pid process target process PID 2656 set thread context of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\DDP Service\ddpsv.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\DDP Service\ddpsv.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
RegSvcs.exepowershell.exepid process 2852 RegSvcs.exe 2852 RegSvcs.exe 2852 RegSvcs.exe 2612 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 2852 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exeRegSvcs.exepowershell.exedescription pid process Token: SeDebugPrivilege 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe Token: SeDebugPrivilege 2852 RegSvcs.exe Token: SeDebugPrivilege 2612 powershell.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exedescription pid process target process PID 2656 wrote to memory of 2612 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe powershell.exe PID 2656 wrote to memory of 2612 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe powershell.exe PID 2656 wrote to memory of 2612 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe powershell.exe PID 2656 wrote to memory of 2612 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe powershell.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe PID 2656 wrote to memory of 2852 2656 ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656 -
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\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\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
PID:2852