nanocore | 7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802

General

Target

7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe
Size

798KB
MD5

1454a37dd468a9be07ce8fa633a28e30
SHA1

9e2645b6dcf33136c22600dce082a78b285b9627
SHA256

7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802
SHA512

9fd58f84fa6c53f7d3ca8a853535024151031984fe402ba62aaa2cad87cda44cedacb26302988b0cdad258c0d216a7a3d65e469f3fa188b1e71ad9f0475d5581
SSDEEP

24576:xuDXTIGaPhEYzUzA0/0v5xkGMURGxIQyAto1/r:kDjlabwz9yC5PRoJ

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

malevw.ddns.net:1606

127.0.0.1:1606

Mutex

6379a2d5-0bd7-4558-9ba8-16fd5c49e4cc

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65538
build_time
2024-07-17T21:32:41.924910436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
5000
connection_port
1606
default_group
Default
enable_debug_mode
true
gc_threshold
1.0485766e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2533
max_packet_size
1.048576e+07
mutex
6379a2d5-0bd7-4558-9ba8-16fd5c49e4cc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
malevw.ddns.net
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
7988

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 2 IoCs

Processes:

TrialVersion.sfx.exeTrialVersion.exe

pid	Process
2056	TrialVersion.sfx.exe
2624	TrialVersion.exe

Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid	Process
1048	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TrialVersion.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Host = "C:\\Program Files (x86)\\SCSI Host\\scsihost.exe"	TrialVersion.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

TrialVersion.exe

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

Drops file in Program Files directory 2 IoCs

Processes:

TrialVersion.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SCSI Host\scsihost.exe	TrialVersion.exe
File created	C:\Program Files (x86)\SCSI Host\scsihost.exe	TrialVersion.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

TrialVersion.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrialVersion.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exe

pid	Process
2516	schtasks.exe
2664	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

TrialVersion.exe

pid	Process
2624	TrialVersion.exe
2624	TrialVersion.exe
2624	TrialVersion.exe
2624	TrialVersion.exe
2624	TrialVersion.exe
2624	TrialVersion.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

TrialVersion.exe

pid	Process
2624	TrialVersion.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

TrialVersion.exe

description	pid	Process
Token: SeDebugPrivilege	2624	TrialVersion.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.execmd.exeTrialVersion.sfx.exeTrialVersion.exe

description	pid	Process	procid_target
PID 1852 wrote to memory of 1048	1852	7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe	28
PID 1852 wrote to memory of 1048	1852	7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe	28
PID 1852 wrote to memory of 1048	1852	7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe	28
PID 1048 wrote to memory of 2056	1048	cmd.exe	30
PID 1048 wrote to memory of 2056	1048	cmd.exe	30
PID 1048 wrote to memory of 2056	1048	cmd.exe	30
PID 2056 wrote to memory of 2624	2056	TrialVersion.sfx.exe	31
PID 2056 wrote to memory of 2624	2056	TrialVersion.sfx.exe	31
PID 2056 wrote to memory of 2624	2056	TrialVersion.sfx.exe	31
PID 2056 wrote to memory of 2624	2056	TrialVersion.sfx.exe	31
PID 2624 wrote to memory of 2516	2624	TrialVersion.exe	32
PID 2624 wrote to memory of 2516	2624	TrialVersion.exe	32
PID 2624 wrote to memory of 2516	2624	TrialVersion.exe	32
PID 2624 wrote to memory of 2516	2624	TrialVersion.exe	32
PID 2624 wrote to memory of 2664	2624	TrialVersion.exe	34
PID 2624 wrote to memory of 2664	2624	TrialVersion.exe	34
PID 2624 wrote to memory of 2664	2624	TrialVersion.exe	34
PID 2624 wrote to memory of 2664	2624	TrialVersion.exe	34

C:\Users\Admin\AppData\Local\Temp\7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe
"C:\Users\Admin\AppData\Local\Temp\7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\fud.bat" "
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\TrialVersion.sfx.exe
    TrialVersion.sfx.exe -p123 -dC:\Users\Admin\AppData\Local\Temp
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2056
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX1\TrialVersion.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX1\TrialVersion.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2624
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "SCSI Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5947.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2516
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "SCSI Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp59F3.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\fud.bat

Filesize
35B

MD5
27bee04ecccc26ef9a3f7aef888ae69a

SHA1
0ba85f5947bb12150f07d2173a0febbfbbd12101

SHA256
b2a69e69060bfacfa901eb6541ea6f30ab9b501822a71e19789a1f85fd79136a

SHA512
5718eeea3e4820d4d7426fac0081c2767f21ca2cdccae57cf8194825601c792b558accefeeb6b547f96d09e6a41fd157d381b9e209fad45a083bcf30f6fd0175

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\TrialVersion.exe

Filesize
203KB

MD5
1216377149a106322851e020bfdd86d8

SHA1
9a7dc05fb2a02699e6c0d943d01d8f2f6ad24086

SHA256
a59eace0bdad4afba6f591924762b708442993a49267ac30380c48308cab6de7

SHA512
8a1638b766c25dd0f6d85247cc82aa3d521ba119aae67f14ab02f693c3d71e50dec772e4f9f1a5aeb43f3ea3c6e31913d7d04ada3cfb4c6469bc68dcb7d026fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5947.tmp

Filesize
1KB

MD5
5779f7c3134d7418349e603bf2282deb

SHA1
24ce473589d237c2f71e58705bd462d30f5cd7d8

SHA256
e9e45fd9d6b5ec511bc237863068cb0f5eb4df8fb531d2564bffab99a7b6c45a

SHA512
1977b2a756b007b2b89f02345d0db96cc7354630137daf76d68aaae66498edec2d47dfcb9a9183532f1586fecd771a32e12f124a557903b6980b93196aea637d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp59F3.tmp

Filesize
1KB

MD5
9a559f229be0944bc3dc813cde333f50

SHA1
0e97c97eea032b499ff060e799581e32beeceb09

SHA256
a63d853679aa655cced3b62a10855c56f9efd9b50770738b408d728008f73330

SHA512
4cbb2f77283500e86ecf79fd2cbd31d10c3af2fcf6c9a557ee0b1edead229dc07d63a5030b60df57458d52ef8c2a42ec199d2d4cdca387400d047df25b593c68

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\TrialVersion.sfx.exe

Filesize
591KB

MD5
f72ac18b99643fa4e9cd76a98ee2e0b1

SHA1
ff3c116fefdcd6fb5395bd22b2a976496f74a6e8

SHA256
d67fd03b982b7959a1865c460fdc6a0291ff8e01b92cc3690c83339de6211308

SHA512
a094fc96d69e1db316b310f99076a3121d62505ea9096796829beeae7469b518a8658854e8533c1f326678b54f17b520ad9ea8d5750c35c4af2009383b8271b9

Download Submit
memory/2624-35-0x0000000074D71000-0x0000000074D72000-memory.dmp

Filesize
4KB

Download
memory/2624-36-0x0000000074D70000-0x000000007531B000-memory.dmp

Filesize
5.7MB

Download
memory/2624-37-0x0000000074D70000-0x000000007531B000-memory.dmp

Filesize
5.7MB

Download
memory/2624-45-0x0000000074D70000-0x000000007531B000-memory.dmp

Filesize
5.7MB

Download
memory/2624-46-0x0000000074D70000-0x000000007531B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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