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Analysis
-
max time kernel
141s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/11/2024, 14:03
Static task
static1
Behavioral task
behavioral1
Sample
ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe
Resource
win10v2004-20241007-en
General
-
Target
ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe
-
Size
415KB
-
MD5
690ca0b3c7061412fa7e8a859c164e9d
-
SHA1
13777bd543ea02a1e860d5fd41aeb2e12414e6b0
-
SHA256
ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724
-
SHA512
03f582d0a5d94dd633e6c8781a53556ab77059aff29bf83a92941e9d857c8d26ae95a244de4eabd01fd59cfd48e3b62a38ac253b3cd20baf08670cd2d2d48815
-
SSDEEP
6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUwo:ITNYrnE3bm/CiejewY5vc
Malware Config
Extracted
nanocore
1.2.2.0
4af74541-e3f1-469c-8af7-efe4071b81cf
-
activate_away_mode
false
-
backup_connection_host
178.32.224.116
- backup_dns_server
-
buffer_size
65535
-
build_time
2018-07-28T12:59:38.488799236Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
46218
-
default_group
tourex
-
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
4af74541-e3f1-469c-8af7-efe4071b81cf
-
mutex_timeout
5000
-
prevent_system_sleep
false
- primary_connection_host
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
Nanocore family
-
Executes dropped EXE 1 IoCs
pid Process 2876 ximo2ubzn1i.exe -
Loads dropped DLL 1 IoCs
pid Process 2892 ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe" ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA regasm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2876 set thread context of 2832 2876 ximo2ubzn1i.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 3 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 ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ximo2ubzn1i.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2832 regasm.exe 2832 regasm.exe 2832 regasm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2832 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2832 regasm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2892 wrote to memory of 2876 2892 ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe 30 PID 2892 wrote to memory of 2876 2892 ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe 30 PID 2892 wrote to memory of 2876 2892 ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe 30 PID 2892 wrote to memory of 2876 2892 ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe 30 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31 PID 2876 wrote to memory of 2832 2876 ximo2ubzn1i.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe"C:\Users\Admin\AppData\Local\Temp\ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"3⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2832
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
415KB
MD52b568ab998df67ca14a650041671ea74
SHA1256d01794b174f2a5f7014329412b25c25c2c78f
SHA2569cfa46a20e2f1c3d0169b73cf4135796b00a6c57f3e9902b93b00e6e821c2a90
SHA51258fba13c3e550526d40d4f3e7c8eb4e34a007474422c812fa37681589e799b8ab33834baa26c0d438f719e05ac8760dc8e7c500e538e4f01a3f34caf32f19a8c