nanocore | 2e74a8a614db7b0d8148b52139751d3d76c477255a7fdd1fe6e9fc944a79caa2

Analysis

max time kernel
130s
max time network
190s
platform
windows7_x64
resource
win7-20220414-en
submitted
14/07/2022, 04:30

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General

Target
97649646b1405daaca47c5b68b2382b3.exe
Size 731KB
Sample220714-e4xpwsged4
SHA256 2e74a8a614db7b0d8148b52139751d3d76c477255a7fdd1fe6e9fc944a79caa2
MD5 97649646b1405daaca47c5b68b2382b3
SHA1 4b26fbd320f1d5303d557346d75b2664a2644a3d
SHA512 af2ab8d53f236739166e283cba82bbc52bfc7a79787f13abfee5de8ae684e25ebdb48120ff9bc520aa3827d7459228985f270b7a2eb666cb2a88f597521dbed3
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

donaldossoinc.hopto.org:1492
127.0.0.1:1492

Mutex

64e137c2-af3f-4cd0-8061-bb60ec374d73

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-21T23:56:55.655479536Z
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
JulyFile
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
64e137c2-af3f-4cd0-8061-bb60ec374d73
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
donaldossoinc.hopto.org
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

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\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	97649646b1405daaca47c5b68b2382b3.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	97649646b1405daaca47c5b68b2382b3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 908 set thread context of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	97649646b1405daaca47c5b68b2382b3.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	97649646b1405daaca47c5b68b2382b3.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
528	schtasks.exe
1332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
908	97649646b1405daaca47c5b68b2382b3.exe
908	97649646b1405daaca47c5b68b2382b3.exe
908	97649646b1405daaca47c5b68b2382b3.exe
908	97649646b1405daaca47c5b68b2382b3.exe
1996	97649646b1405daaca47c5b68b2382b3.exe
1996	97649646b1405daaca47c5b68b2382b3.exe
1996	97649646b1405daaca47c5b68b2382b3.exe
1996	97649646b1405daaca47c5b68b2382b3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1996	97649646b1405daaca47c5b68b2382b3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	97649646b1405daaca47c5b68b2382b3.exe
Token: SeDebugPrivilege	1996	97649646b1405daaca47c5b68b2382b3.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2028	908	97649646b1405daaca47c5b68b2382b3.exe	28
PID 908 wrote to memory of 2028	908	97649646b1405daaca47c5b68b2382b3.exe	28
PID 908 wrote to memory of 2028	908	97649646b1405daaca47c5b68b2382b3.exe	28
PID 908 wrote to memory of 2028	908	97649646b1405daaca47c5b68b2382b3.exe	28
PID 908 wrote to memory of 2008	908	97649646b1405daaca47c5b68b2382b3.exe	29
PID 908 wrote to memory of 2008	908	97649646b1405daaca47c5b68b2382b3.exe	29
PID 908 wrote to memory of 2008	908	97649646b1405daaca47c5b68b2382b3.exe	29
PID 908 wrote to memory of 2008	908	97649646b1405daaca47c5b68b2382b3.exe	29
PID 908 wrote to memory of 1968	908	97649646b1405daaca47c5b68b2382b3.exe	30
PID 908 wrote to memory of 1968	908	97649646b1405daaca47c5b68b2382b3.exe	30
PID 908 wrote to memory of 1968	908	97649646b1405daaca47c5b68b2382b3.exe	30
PID 908 wrote to memory of 1968	908	97649646b1405daaca47c5b68b2382b3.exe	30
PID 908 wrote to memory of 1980	908	97649646b1405daaca47c5b68b2382b3.exe	31
PID 908 wrote to memory of 1980	908	97649646b1405daaca47c5b68b2382b3.exe	31
PID 908 wrote to memory of 1980	908	97649646b1405daaca47c5b68b2382b3.exe	31
PID 908 wrote to memory of 1980	908	97649646b1405daaca47c5b68b2382b3.exe	31
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 908 wrote to memory of 1996	908	97649646b1405daaca47c5b68b2382b3.exe	32
PID 1996 wrote to memory of 528	1996	97649646b1405daaca47c5b68b2382b3.exe	33
PID 1996 wrote to memory of 528	1996	97649646b1405daaca47c5b68b2382b3.exe	33
PID 1996 wrote to memory of 528	1996	97649646b1405daaca47c5b68b2382b3.exe	33
PID 1996 wrote to memory of 528	1996	97649646b1405daaca47c5b68b2382b3.exe	33
PID 1996 wrote to memory of 1332	1996	97649646b1405daaca47c5b68b2382b3.exe	35
PID 1996 wrote to memory of 1332	1996	97649646b1405daaca47c5b68b2382b3.exe	35
PID 1996 wrote to memory of 1332	1996	97649646b1405daaca47c5b68b2382b3.exe	35
PID 1996 wrote to memory of 1332	1996	97649646b1405daaca47c5b68b2382b3.exe	35

C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
"C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908
- C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe"
  2⤵
  PID:2028
- C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe"
  2⤵
  PID:2008
- C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe"
  2⤵
  PID:1968
- C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe"
  2⤵
  PID:1980
- C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe"
  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:1996
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp95DA.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:528
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC988.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1332

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

tmp95DA.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp95DA.tmp
Size 1KB
SHA256 e166ac325921cb9c6b50afb3ca596dd2a0b725548bfd0345fadf3a6dcb3da2c8
MD5 892b81ea32e384d13e151d1e1d9afa2d
SHA1 32e745bc1daa6ee8577bcb0b01bb1f3849e22063
SHA512 d77ac6178d381b81c31b36c4b85105b7694d58cad0cef5cc443c7c1aba552ca492648bce703104f23dc4ab1cf6ff4134db0742f8527aa508dea918f0d1548307
MD5 SHA1 SHA512

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tmpC988.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC988.tmp
Size 1KB
SHA256 84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58
MD5 4365cd1ae65923a319ef2683a45891fe
SHA1 85dde233112660e31c53884aedfbad52e4547e09
SHA512 d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035
MD5 SHA1 SHA512

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memory/908-73-0x0000000004B86000-0x0000000004B97000-memory.dmp

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memory/908-55-0x0000000076C81000-0x0000000076C83000-memory.dmp

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memory/908-56-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/908-57-0x0000000000760000-0x000000000076E000-memory.dmp

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memory/908-58-0x000000000A3D0000-0x000000000A452000-memory.dmp

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memory/908-59-0x0000000004B20000-0x0000000004B5A000-memory.dmp

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memory/908-60-0x0000000004B86000-0x0000000004B97000-memory.dmp

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memory/908-54-0x00000000001D0000-0x000000000028E000-memory.dmp

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memory/1996-62-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-82-0x0000000000810000-0x0000000000822000-memory.dmp

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memory/1996-72-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-67-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-65-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-61-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-79-0x0000000000530000-0x000000000053A000-memory.dmp

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memory/1996-80-0x0000000000700000-0x000000000071E000-memory.dmp

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memory/1996-81-0x00000000006B0000-0x00000000006BA000-memory.dmp

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memory/1996-70-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-83-0x0000000000820000-0x000000000083A000-memory.dmp

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memory/1996-84-0x0000000000850000-0x000000000085E000-memory.dmp

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memory/1996-85-0x0000000000860000-0x0000000000872000-memory.dmp

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memory/1996-86-0x0000000000880000-0x000000000088E000-memory.dmp

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memory/1996-87-0x0000000000890000-0x000000000089C000-memory.dmp

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memory/1996-88-0x0000000002100000-0x0000000002114000-memory.dmp

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memory/1996-89-0x0000000002110000-0x0000000002120000-memory.dmp

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memory/1996-90-0x0000000002120000-0x0000000002134000-memory.dmp

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memory/1996-91-0x0000000002270000-0x000000000227E000-memory.dmp

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memory/1996-92-0x00000000023E0000-0x000000000240E000-memory.dmp

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memory/1996-93-0x00000000022D0000-0x00000000022E4000-memory.dmp

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