nanocore | c4a2c953833c8d6b5d2ef71b997700559ecc9f23573d89072d205f963e46956c

General

Target

Scancontract103.exe
Size

834KB
MD5

9d2a2b596cd979fc9674824d2aa731df
SHA1

015e8ae0f838e0fba35643297530a5b9a66e4186
SHA256

c4a2c953833c8d6b5d2ef71b997700559ecc9f23573d89072d205f963e46956c
SHA512

768843f52697ac5a8e8ff71ff5a66bca977cc6fad9da349ce77eee431aa5252ec07187d52bce92bd50bbcec1a10b6ce1a9123dbafa1e34d7a36ac2a9e511cef3
SSDEEP

12288:sx9I2iNl/joW7EsJ2uM1DgC9tqGdpb5QyXYzvtMdADqjJ5ns:N1fEW7T4RDgvGdpHYzQjrs

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.6:60110

Mutex

c5cb65e3-79c3-43dc-bde0-43ed679c8c9b

Attributes

activate_away_mode
false
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-10T15:30:03.481099636Z
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
60110
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
c5cb65e3-79c3-43dc-bde0-43ed679c8c9b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.6
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Scancontract103.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Manager = "C:\\Program Files (x86)\\DDP Manager\\ddpmgr.exe"	Scancontract103.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Scancontract103.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Scancontract103.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Scancontract103.exe

description pid process target process

PID 4972 set thread context of 2968 4972 Scancontract103.exe Scancontract103.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Scancontract103.exe

description	pid	process	target process
PID 4972 set thread context of 2968	4972	Scancontract103.exe	Scancontract103.exe

Drops file in Program Files directory 2 IoCs

Processes:

Scancontract103.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	Scancontract103.exe
File opened for modification	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	Scancontract103.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3200 schtasks.exe
3584 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Scancontract103.exe

pid process

2968 Scancontract103.exe
2968 Scancontract103.exe
2968 Scancontract103.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Scancontract103.exe

pid process

2968 Scancontract103.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Scancontract103.exe

description pid process

Token: SeDebugPrivilege 2968 Scancontract103.exe
Token: SeDebugPrivilege 2968 Scancontract103.exe

pid	process
3200	schtasks.exe
3584	schtasks.exe

pid	process
2968	Scancontract103.exe
2968	Scancontract103.exe
2968	Scancontract103.exe

pid	process
2968	Scancontract103.exe

description	pid	process
Token: SeDebugPrivilege	2968	Scancontract103.exe
Token: SeDebugPrivilege	2968	Scancontract103.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Scancontract103.exeScancontract103.exe

description	pid	process	target process
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 4972 wrote to memory of 2968	4972	Scancontract103.exe	Scancontract103.exe
PID 2968 wrote to memory of 3200	2968	Scancontract103.exe	schtasks.exe
PID 2968 wrote to memory of 3200	2968	Scancontract103.exe	schtasks.exe
PID 2968 wrote to memory of 3200	2968	Scancontract103.exe	schtasks.exe
PID 2968 wrote to memory of 3584	2968	Scancontract103.exe	schtasks.exe
PID 2968 wrote to memory of 3584	2968	Scancontract103.exe	schtasks.exe
PID 2968 wrote to memory of 3584	2968	Scancontract103.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Scancontract103.exe
"C:\Users\Admin\AppData\Local\Temp\Scancontract103.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4972

C:\Users\Admin\AppData\Local\Temp\Scancontract103.exe
"{path}"
2⤵
- 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
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp57D4.tmp"
3⤵
- Creates scheduled task(s)
PID:3200

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp58CF.tmp"
3⤵
- Creates scheduled task(s)
PID:3584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Scancontract103.exe.log
Filesize
1KB

MD5
568cff9ba1570565b45bf9ef7e636f7f

SHA1
d07d800e4334c2566181d3fcf9d644512a5a992e

SHA256
b094cb1ef7da4d1a6ed0b9dc687619033e44b960f4be00652a46fe945398bc09

SHA512
623e2fc4ba85f3465744dcd3e52cfa9e83009d18d5a8f4239842b2ddd0b0c91cd447072f7844cd9e6f8ef571f38743b22820f5cc741f9e55823d241146f9830b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp57D4.tmp
Filesize
1KB

MD5
f93beca352476d9d25192e8d00f063a6

SHA1
1e0a33163a62bce987350dace888dc5c42f1bfb8

SHA256
0dbe2542d69ac20608ea7233dc0b9d5aa435580804607ce326aa6f91b432dda3

SHA512
161fe9b236d5b03bad942af7dc4890c22dd8f151d4226ad1a2142347e24529b2e778b633f032021cbba9623dd0f993130660bed6d76b798a252b7faac95d25f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp58CF.tmp
Filesize
1KB

MD5
677848190631e19222304d1982aa2e1b

SHA1
bed6cf97d3458e4ea59ff9823375d915a9b3d682

SHA256
8bcf16c788d228932fa707bb4250c05151e099bdf7040adc717e53680601be3d

SHA512
f5d41e150011bc63f4c95799e21fe91ffaa25eb05f4ca46ea89f3a3ca5325413ba4e0b7b5d69c0bc189955f3308c4928016a7cc1d6f7c2352639106952e92b1e

Download Submit
memory/2968-137-0x0000000000000000-mapping.dmp

Download
memory/2968-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3200-140-0x0000000000000000-mapping.dmp

Download
memory/3584-142-0x0000000000000000-mapping.dmp

Download
memory/4972-132-0x0000000000700000-0x00000000007D6000-memory.dmp

Filesize
856KB

Download
memory/4972-133-0x0000000005790000-0x0000000005D34000-memory.dmp

Filesize
5.6MB

Download
memory/4972-134-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/4972-135-0x0000000005280000-0x000000000531C000-memory.dmp

Filesize
624KB

Download
memory/4972-136-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads