Analysis
- max time kernel
80s - max time network
154s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
12/10/2021, 12:54
General
- Target Proof of payment.jpg.scr
- Size 670KB
- Sample211012-p476qsccfl
- SHA256 9f4c690fdf0c329b419eb7cbf02c874dd7be5ec7bb3585a0c94a0aba266604d4
Malware Config
Extracted
-
nanocore
-
1.2.2.0
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harold.accesscam.org:6051
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harold.2waky.com:6051
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ed2d5ce0-ca4d-4264-be01-91a018d59d09
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activate_away_mode
true
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backup_connection_host
harold.2waky.com
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2019-07-13T12:05:45.695760236Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
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clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
6051
-
default_group
INV TO BID
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enable_debug_mode
true
-
gc_threshold
1.048576e+07
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keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
ed2d5ce0-ca4d-4264-be01-91a018d59d09
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
harold.accesscam.org
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
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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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr"C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eoPqnTxJGg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A77.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"2⤵
-
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1940-117-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1940-119-0x0000000001420000-0x0000000001421000-memory.dmp
memory/1940-120-0x0000000001421000-0x0000000001422000-memory.dmp
memory/2412-115-0x0000000001270000-0x00000000013BA000-memory.dmp