nanocore | dd12864487637cdc6dfb1496bc2969903a780920d3f7963fb5f6343e328bedaf

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
11/08/2022, 06:26

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General

Target
de729e6678fc14151fe6124182a3ec65.exe
Size 965KB
Sample220811-g67c8aead4
SHA256 dd12864487637cdc6dfb1496bc2969903a780920d3f7963fb5f6343e328bedaf
MD5 de729e6678fc14151fe6124182a3ec65
SHA1 f38cb2c7714e9430ea71651e5ade5f8d5b2e5554
SHA512 710c2d85f5aa49f32aa04b23c8280307eb4abae6ecc3b1e73d6bd288ae2089aee9969b9d3b54171642712e7b80018fa89c68f97cb5f34f291b9071a420a0ee04
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

louinc928.gotdns.ch:1492
127.0.0.1:1492

Mutex

6f711de5-f3f4-4062-bab9-dce39dc4e0f9

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-05-22T02:15:25.592931736Z
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
1492
default_group
AUG
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
6f711de5-f3f4-4062-bab9-dce39dc4e0f9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
louinc928.gotdns.ch
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

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsvc.exe"	de729e6678fc14151fe6124182a3ec65.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	de729e6678fc14151fe6124182a3ec65.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsvc.exe	de729e6678fc14151fe6124182a3ec65.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsvc.exe	de729e6678fc14151fe6124182a3ec65.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

pid	Process
832	schtasks.exe
652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1808	de729e6678fc14151fe6124182a3ec65.exe
592	de729e6678fc14151fe6124182a3ec65.exe
592	de729e6678fc14151fe6124182a3ec65.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	de729e6678fc14151fe6124182a3ec65.exe
Token: SeDebugPrivilege	592	de729e6678fc14151fe6124182a3ec65.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 932	1808	de729e6678fc14151fe6124182a3ec65.exe	26
PID 1808 wrote to memory of 932	1808	de729e6678fc14151fe6124182a3ec65.exe	26
PID 1808 wrote to memory of 932	1808	de729e6678fc14151fe6124182a3ec65.exe	26
PID 1808 wrote to memory of 932	1808	de729e6678fc14151fe6124182a3ec65.exe	26
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 1808 wrote to memory of 592	1808	de729e6678fc14151fe6124182a3ec65.exe	27
PID 592 wrote to memory of 832	592	de729e6678fc14151fe6124182a3ec65.exe	28
PID 592 wrote to memory of 832	592	de729e6678fc14151fe6124182a3ec65.exe	28
PID 592 wrote to memory of 832	592	de729e6678fc14151fe6124182a3ec65.exe	28
PID 592 wrote to memory of 832	592	de729e6678fc14151fe6124182a3ec65.exe	28
PID 592 wrote to memory of 652	592	de729e6678fc14151fe6124182a3ec65.exe	30
PID 592 wrote to memory of 652	592	de729e6678fc14151fe6124182a3ec65.exe	30
PID 592 wrote to memory of 652	592	de729e6678fc14151fe6124182a3ec65.exe	30
PID 592 wrote to memory of 652	592	de729e6678fc14151fe6124182a3ec65.exe	30

C:\Users\Admin\AppData\Local\Temp\de729e6678fc14151fe6124182a3ec65.exe
"C:\Users\Admin\AppData\Local\Temp\de729e6678fc14151fe6124182a3ec65.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Local\Temp\de729e6678fc14151fe6124182a3ec65.exe
  "C:\Users\Admin\AppData\Local\Temp\de729e6678fc14151fe6124182a3ec65.exe"
  2⤵
  PID:932
- C:\Users\Admin\AppData\Local\Temp\de729e6678fc14151fe6124182a3ec65.exe
  "C:\Users\Admin\AppData\Local\Temp\de729e6678fc14151fe6124182a3ec65.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:592
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC727.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:832
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC94A.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpC727.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC727.tmp
Size 1KB
SHA256 884aaa714a1ff543287c1cc98c327dc6a0d6a2e12702e6b6dffaeede11336b27
MD5 501f1aebd756522ea9304358af05a388
SHA1 6c6b68212e182f66cc342384ec19f555efc7f034
SHA512 1a33f8920f5ed177ed126e31287a6d91817d5f5a3fc5e19e7c782bf63a06b70ea838d7b8a100c564f941a13b67d33866e001b2d912dd33ed8e32b674f9310555
MD5 SHA1 SHA512

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tmpC94A.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC94A.tmp
Size 1KB
SHA256 d524ed3f3648a50ab92cf755461af48ed0c973a3edfba3a4cd0fad3d2e833183
MD5 f34c9976546ad9fc8624117687e1b732
SHA1 df5de84989e77f019a10e10f2e8a44bca2dc620d
SHA512 cd90ca19818bcdf0ec6ee9bafd47749e87ffb8f5c4711ef6c73483acf73399b2ab8c7b55f98303fcce409591647741ceb2ddd7b399ad62b2f5b18ed5378c8260
MD5 SHA1 SHA512

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memory/592-79-0x0000000000440000-0x000000000044A000-memory.dmp

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memory/592-80-0x00000000004F0000-0x000000000050E000-memory.dmp

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memory/592-81-0x0000000000450000-0x000000000045A000-memory.dmp

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memory/592-61-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/592-62-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/592-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/592-65-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/592-67-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/592-70-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/592-72-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1808-59-0x0000000007E10000-0x0000000007E8A000-memory.dmp

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memory/1808-73-0x0000000000C75000-0x0000000000C86000-memory.dmp

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memory/1808-60-0x0000000000E70000-0x0000000000EAA000-memory.dmp

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memory/1808-54-0x0000000001350000-0x0000000001446000-memory.dmp

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memory/1808-58-0x0000000000B70000-0x0000000000B7C000-memory.dmp

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memory/1808-57-0x0000000000C75000-0x0000000000C86000-memory.dmp

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memory/1808-56-0x00000000009B0000-0x00000000009D4000-memory.dmp

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memory/1808-55-0x0000000075C01000-0x0000000075C03000-memory.dmp

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