nanocore | 7ade8e9cc5023375d100ff66a55971fe3b7a06e73edaec66ed0595b9f252b52e

Analysis

max time kernel
206s
max time network
212s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11-05-2023 18:36

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General

Target

dfa13488e17563586e4f0f5348232714.exe
Size

19.9MB
MD5

dfa13488e17563586e4f0f5348232714
SHA1

b28e1dc461365486b8e2355dd5be9ab363c3685a
SHA256

7ade8e9cc5023375d100ff66a55971fe3b7a06e73edaec66ed0595b9f252b52e
SHA512

5c5341e90a6da791c4b81476a6a169b75cd963eb366ef36bacfc94ac0cd78c6d721bb66fd7569e11beab41f6b39523a20161d184f18deea7b8912b70b08d8f70
SSDEEP

12288:S8SnG5jbNCUZLHVaaj7uTPUn0S6M8RLO4VsypU:SjnG5lCEGTBM8RLTz

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

kala007.duckdns.org:3436

kala1.duckdns.org:3436

Mutex

5f09d95a-c1a6-4d61-afee-3e828645a504

Attributes

activate_away_mode
true
backup_connection_host
kala1.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-10-10T22:47:40.772130236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3436
default_group
MunaBc
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
5f09d95a-c1a6-4d61-afee-3e828645a504
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kala007.duckdns.org
primary_dns_server
8.8.8.8
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
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 2 IoCs

pid	Process
1940	easeus.exe
1672	easeus.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	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1940 set thread context of 1448	1940	easeus.exe	38
PID 1672 set thread context of 1328	1672	easeus.exe	47

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1120	schtasks.exe
1496	schtasks.exe
1820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
320	RegAsm.exe
320	RegAsm.exe
320	RegAsm.exe
320	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
320	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	320	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 320	1948	dfa13488e17563586e4f0f5348232714.exe	28
PID 1948 wrote to memory of 568	1948	dfa13488e17563586e4f0f5348232714.exe	29
PID 1948 wrote to memory of 568	1948	dfa13488e17563586e4f0f5348232714.exe	29
PID 1948 wrote to memory of 568	1948	dfa13488e17563586e4f0f5348232714.exe	29
PID 1948 wrote to memory of 568	1948	dfa13488e17563586e4f0f5348232714.exe	29
PID 1948 wrote to memory of 772	1948	dfa13488e17563586e4f0f5348232714.exe	31
PID 1948 wrote to memory of 772	1948	dfa13488e17563586e4f0f5348232714.exe	31
PID 1948 wrote to memory of 772	1948	dfa13488e17563586e4f0f5348232714.exe	31
PID 1948 wrote to memory of 772	1948	dfa13488e17563586e4f0f5348232714.exe	31
PID 1948 wrote to memory of 1520	1948	dfa13488e17563586e4f0f5348232714.exe	33
PID 1948 wrote to memory of 1520	1948	dfa13488e17563586e4f0f5348232714.exe	33
PID 1948 wrote to memory of 1520	1948	dfa13488e17563586e4f0f5348232714.exe	33
PID 1948 wrote to memory of 1520	1948	dfa13488e17563586e4f0f5348232714.exe	33
PID 772 wrote to memory of 1120	772	cmd.exe	35
PID 772 wrote to memory of 1120	772	cmd.exe	35
PID 772 wrote to memory of 1120	772	cmd.exe	35
PID 772 wrote to memory of 1120	772	cmd.exe	35
PID 884 wrote to memory of 1940	884	taskeng.exe	37
PID 884 wrote to memory of 1940	884	taskeng.exe	37
PID 884 wrote to memory of 1940	884	taskeng.exe	37
PID 884 wrote to memory of 1940	884	taskeng.exe	37
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1448	1940	easeus.exe	38
PID 1940 wrote to memory of 1352	1940	easeus.exe	39
PID 1940 wrote to memory of 1352	1940	easeus.exe	39
PID 1940 wrote to memory of 1352	1940	easeus.exe	39
PID 1940 wrote to memory of 1352	1940	easeus.exe	39
PID 1940 wrote to memory of 1576	1940	easeus.exe	41
PID 1940 wrote to memory of 1576	1940	easeus.exe	41
PID 1940 wrote to memory of 1576	1940	easeus.exe	41
PID 1940 wrote to memory of 1576	1940	easeus.exe	41
PID 1940 wrote to memory of 1908	1940	easeus.exe	43
PID 1940 wrote to memory of 1908	1940	easeus.exe	43
PID 1940 wrote to memory of 1908	1940	easeus.exe	43
PID 1940 wrote to memory of 1908	1940	easeus.exe	43
PID 1576 wrote to memory of 1496	1576	cmd.exe	45
PID 1576 wrote to memory of 1496	1576	cmd.exe	45
PID 1576 wrote to memory of 1496	1576	cmd.exe	45
PID 1576 wrote to memory of 1496	1576	cmd.exe	45
PID 884 wrote to memory of 1672	884	taskeng.exe	46
PID 884 wrote to memory of 1672	884	taskeng.exe	46
PID 884 wrote to memory of 1672	884	taskeng.exe	46
PID 884 wrote to memory of 1672	884	taskeng.exe	46

C:\Users\Admin\AppData\Local\Temp\dfa13488e17563586e4f0f5348232714.exe
"C:\Users\Admin\AppData\Local\Temp\dfa13488e17563586e4f0f5348232714.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:320
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\easeus"
  2⤵
  PID:568
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\easeus\easeus.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:772
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\easeus\easeus.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:1120
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\dfa13488e17563586e4f0f5348232714.exe" "C:\Users\Admin\AppData\Roaming\easeus\easeus.exe"
  2⤵
  PID:1520

C:\Windows\system32\taskeng.exe
taskeng.exe {EB3D52BF-2880-41C4-823E-631E091452DC} S-1-5-21-3499517378-2376672570-1134980332-1000:MLXLFKOI\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:884
- C:\Users\Admin\AppData\Roaming\easeus\easeus.exe
  C:\Users\Admin\AppData\Roaming\easeus\easeus.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:1448
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\easeus"
    3⤵
    PID:1352
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\easeus\easeus.exe'" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1576
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\easeus\easeus.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:1496
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\easeus\easeus.exe" "C:\Users\Admin\AppData\Roaming\easeus\easeus.exe"
    3⤵
    PID:1908
- C:\Users\Admin\AppData\Roaming\easeus\easeus.exe
  C:\Users\Admin\AppData\Roaming\easeus\easeus.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1672
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:1328
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\easeus"
    3⤵
    PID:1032
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\easeus\easeus.exe'" /f
    3⤵
    PID:324
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\easeus\easeus.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:1820
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\easeus\easeus.exe" "C:\Users\Admin\AppData\Roaming\easeus\easeus.exe"
    3⤵
    PID:828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\easeus\easeus.exe

Filesize
19.9MB

MD5
dfa13488e17563586e4f0f5348232714

SHA1
b28e1dc461365486b8e2355dd5be9ab363c3685a

SHA256
7ade8e9cc5023375d100ff66a55971fe3b7a06e73edaec66ed0595b9f252b52e

SHA512
5c5341e90a6da791c4b81476a6a169b75cd963eb366ef36bacfc94ac0cd78c6d721bb66fd7569e11beab41f6b39523a20161d184f18deea7b8912b70b08d8f70

Download Submit
C:\Users\Admin\AppData\Roaming\easeus\easeus.exe

Filesize
19.9MB

MD5
dfa13488e17563586e4f0f5348232714

SHA1
b28e1dc461365486b8e2355dd5be9ab363c3685a

SHA256
7ade8e9cc5023375d100ff66a55971fe3b7a06e73edaec66ed0595b9f252b52e

SHA512
5c5341e90a6da791c4b81476a6a169b75cd963eb366ef36bacfc94ac0cd78c6d721bb66fd7569e11beab41f6b39523a20161d184f18deea7b8912b70b08d8f70

Download Submit
C:\Users\Admin\AppData\Roaming\easeus\easeus.exe

Filesize
19.9MB

MD5
dfa13488e17563586e4f0f5348232714

SHA1
b28e1dc461365486b8e2355dd5be9ab363c3685a

SHA256
7ade8e9cc5023375d100ff66a55971fe3b7a06e73edaec66ed0595b9f252b52e

SHA512
5c5341e90a6da791c4b81476a6a169b75cd963eb366ef36bacfc94ac0cd78c6d721bb66fd7569e11beab41f6b39523a20161d184f18deea7b8912b70b08d8f70

Download Submit
memory/320-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/320-78-0x00000000005A0000-0x00000000005B2000-memory.dmp

Filesize
72KB

Download
memory/320-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/320-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/320-59-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/320-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/320-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/320-82-0x0000000000C50000-0x0000000000C5C000-memory.dmp

Filesize
48KB

Download
memory/320-69-0x0000000004F20000-0x0000000004F60000-memory.dmp

Filesize
256KB

Download
memory/320-71-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/320-72-0x0000000000540000-0x000000000054C000-memory.dmp

Filesize
48KB

Download
memory/320-73-0x0000000000570000-0x000000000058E000-memory.dmp

Filesize
120KB

Download
memory/320-74-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/320-80-0x00000000007B0000-0x00000000007BE000-memory.dmp

Filesize
56KB

Download
memory/320-79-0x0000000000790000-0x00000000007AA000-memory.dmp

Filesize
104KB

Download
memory/320-81-0x0000000000C00000-0x0000000000C12000-memory.dmp

Filesize
72KB

Download
memory/320-84-0x0000000000DE0000-0x0000000000DF4000-memory.dmp

Filesize
80KB

Download
memory/320-83-0x0000000000DC0000-0x0000000000DCE000-memory.dmp

Filesize
56KB

Download
memory/320-57-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/320-58-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/320-75-0x0000000004F20000-0x0000000004F60000-memory.dmp

Filesize
256KB

Download
memory/320-85-0x0000000000DF0000-0x0000000000E04000-memory.dmp

Filesize
80KB

Download
memory/320-87-0x0000000001020000-0x000000000104E000-memory.dmp

Filesize
184KB

Download
memory/320-86-0x0000000000F40000-0x0000000000F4E000-memory.dmp

Filesize
56KB

Download
memory/320-88-0x0000000000F60000-0x0000000000F74000-memory.dmp

Filesize
80KB

Download
memory/320-90-0x0000000004F20000-0x0000000004F60000-memory.dmp

Filesize
256KB

Download
memory/320-91-0x0000000004F20000-0x0000000004F60000-memory.dmp

Filesize
256KB

Download
memory/1328-121-0x0000000004EC0000-0x0000000004F00000-memory.dmp

Filesize
256KB

Download
memory/1328-122-0x0000000004EC0000-0x0000000004F00000-memory.dmp

Filesize
256KB

Download
memory/1448-107-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/1448-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1448-106-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/1672-109-0x0000000000E40000-0x0000000000EAE000-memory.dmp

Filesize
440KB

Download
memory/1672-110-0x0000000000DD0000-0x0000000000E10000-memory.dmp

Filesize
256KB

Download
memory/1940-95-0x0000000001E90000-0x0000000001ED0000-memory.dmp

Filesize
256KB

Download
memory/1940-94-0x00000000008E0000-0x000000000094E000-memory.dmp

Filesize
440KB

Download
memory/1948-55-0x00000000046D0000-0x0000000004710000-memory.dmp

Filesize
256KB

Download
memory/1948-56-0x00000000046D0000-0x0000000004710000-memory.dmp

Filesize
256KB

Download
memory/1948-54-0x0000000000890000-0x00000000008FE000-memory.dmp

Filesize
440KB

Download