nanocore | 3796fdf35ca6c4557746dc1de61e477fe9972bc44a2fb23503e302c27fab4335

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2024 09:41

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General

Target

POP.exe
Size

660KB
MD5

46d06b32a50fd0c1a1981695e6504aa5
SHA1

562f1b0f554ab339d851e7c031059d20a1c88af6
SHA256

3796fdf35ca6c4557746dc1de61e477fe9972bc44a2fb23503e302c27fab4335
SHA512

c6ff00d37a3d8f8716df5a67d5f6e16bec0ec1a5ea4625138651ca8bc43ffda9e4ff77c158803d3399aa7543ec88dd37551215f60e159d226ac307cfd6e4cb44
SSDEEP

12288:nYIPXjeFKYoJyZTH5Zx161j9QMRLPfVtc1qHNanyP8POCxU:nYIPGKYokbF01j9b1tcoMyP8POCy

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

amechi.duckdns.org:4190

Mutex

1e951a16-0899-4a49-9bed-fad9fc6657d1

Attributes

activate_away_mode
true
backup_connection_host
amechi.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-02-05T10:09:03.565293536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4190
default_group
clement
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
1e951a16-0899-4a49-9bed-fad9fc6657d1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
amechi.duckdns.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
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

Processes:

POP.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation POP.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	POP.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

POP.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe"	POP.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

POP.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA POP.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

POP.exe

description pid process target process

PID 4420 set thread context of 3828 4420 POP.exe POP.exe

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

description	pid	process	target process
PID 4420 set thread context of 3828	4420	POP.exe	POP.exe

Drops file in Program Files directory 2 IoCs

Processes:

POP.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Service\ddpsv.exe	POP.exe
File opened for modification	C:\Program Files (x86)\DDP Service\ddpsv.exe	POP.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3704 4420 WerFault.exe POP.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4980 schtasks.exe

pid	pid_target	process	target process
3704	4420	WerFault.exe	POP.exe

pid	process
4980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

POP.exepowershell.exepowershell.exePOP.exe

pid	process
4420	POP.exe
4420	POP.exe
4420	POP.exe
4420	POP.exe
4360	powershell.exe
4360	powershell.exe
800	powershell.exe
800	powershell.exe
4420	POP.exe
3828	POP.exe
3828	POP.exe
3828	POP.exe
3828	POP.exe
800	powershell.exe
4360	powershell.exe
3828	POP.exe
3828	POP.exe
3828	POP.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

POP.exe

pid process

3828 POP.exe

pid	process
3828	POP.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

POP.exepowershell.exepowershell.exePOP.exe

description	pid	process
Token: SeDebugPrivilege	4420	POP.exe
Token: SeDebugPrivilege	800	powershell.exe
Token: SeDebugPrivilege	4360	powershell.exe
Token: SeDebugPrivilege	3828	POP.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

POP.exe

description	pid	process	target process
PID 4420 wrote to memory of 4360	4420	POP.exe	powershell.exe
PID 4420 wrote to memory of 4360	4420	POP.exe	powershell.exe
PID 4420 wrote to memory of 4360	4420	POP.exe	powershell.exe
PID 4420 wrote to memory of 800	4420	POP.exe	powershell.exe
PID 4420 wrote to memory of 800	4420	POP.exe	powershell.exe
PID 4420 wrote to memory of 800	4420	POP.exe	powershell.exe
PID 4420 wrote to memory of 4980	4420	POP.exe	schtasks.exe
PID 4420 wrote to memory of 4980	4420	POP.exe	schtasks.exe
PID 4420 wrote to memory of 4980	4420	POP.exe	schtasks.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe
PID 4420 wrote to memory of 3828	4420	POP.exe	POP.exe

C:\Users\Admin\AppData\Local\Temp\POP.exe
"C:\Users\Admin\AppData\Local\Temp\POP.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\POP.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4360

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CXAoYUE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:800

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CXAoYUE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp705D.tmp"
2⤵
- Creates scheduled task(s)
PID:4980

C:\Users\Admin\AppData\Local\Temp\POP.exe
"C:\Users\Admin\AppData\Local\Temp\POP.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
PID:3828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 1732
2⤵
- Program crash
PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4420 -ip 4420
1⤵
PID:1184

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
64a59a9a16c2cbf391241aa98dd6eb1e

SHA1
c38cd66db301ed1753c46bd7f90f30200ff36ba5

SHA256
3ccd66e69e2e5d7392dd36af374580c70cbd5020a594d06153c26661b187f6f1

SHA512
af5bcd2b2411799eb34819dfce89bb9c3df9661f9e3bd206742c631e12d70150cda201d4a7e41adde56bea3fbfd4d6138787e16ad4b7d6c0bb995b22dea23233

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a5unpihh.k3j.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp705D.tmp
Filesize
1KB

MD5
9c52c57a1a98ca42bebc930ff941e7a4

SHA1
aa25d69a5b611146ec493beb3efd64036958b6ac

SHA256
fadee56b817cdccccefee0132a577f2d4300746fe8599efbc4938f686479a7d2

SHA512
7103e5dc0e6799b17c6ba4e8b1019ab3b29e0c74241a01dcbc725b5e08b8171ec77cfa710fe3a87d18c2290644dd12438ee23d2713a9b1c4a18574cecd6ae0bb

Download Submit
memory/800-59-0x000000007FD30000-0x000000007FD40000-memory.dmp

Filesize
64KB

Download
memory/800-34-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/800-87-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/800-88-0x0000000007E90000-0x000000000850A000-memory.dmp

Filesize
6.5MB

Download
memory/800-90-0x00000000078C0000-0x00000000078CA000-memory.dmp

Filesize
40KB

Download
memory/800-60-0x00000000074D0000-0x0000000007502000-memory.dmp

Filesize
200KB

Download
memory/800-92-0x0000000007A50000-0x0000000007A61000-memory.dmp

Filesize
68KB

Download
memory/800-57-0x0000000006560000-0x00000000065AC000-memory.dmp

Filesize
304KB

Download
memory/800-56-0x0000000006520000-0x000000000653E000-memory.dmp

Filesize
120KB

Download
memory/800-18-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/800-94-0x0000000007A90000-0x0000000007AA4000-memory.dmp

Filesize
80KB

Download
memory/800-19-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/800-96-0x0000000007B70000-0x0000000007B78000-memory.dmp

Filesize
32KB

Download
memory/800-61-0x000000006EE10000-0x000000006EE5C000-memory.dmp

Filesize
304KB

Download
memory/800-22-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/800-26-0x00000000057A0000-0x00000000057C2000-memory.dmp

Filesize
136KB

Download
memory/800-103-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/800-83-0x0000000007510000-0x00000000075B3000-memory.dmp

Filesize
652KB

Download
memory/3828-54-0x0000000006340000-0x000000000635E000-memory.dmp

Filesize
120KB

Download
memory/3828-28-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/3828-107-0x0000000006BF0000-0x0000000006C0A000-memory.dmp

Filesize
104KB

Download
memory/3828-104-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/3828-55-0x0000000006480000-0x000000000648A000-memory.dmp

Filesize
40KB

Download
memory/3828-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3828-108-0x0000000006C20000-0x0000000006C2E000-memory.dmp

Filesize
56KB

Download
memory/3828-110-0x0000000006C40000-0x0000000006C4C000-memory.dmp

Filesize
48KB

Download
memory/3828-50-0x0000000005700000-0x0000000005710000-memory.dmp

Filesize
64KB

Download
memory/3828-106-0x0000000006BE0000-0x0000000006BF2000-memory.dmp

Filesize
72KB

Download
memory/3828-109-0x0000000006C30000-0x0000000006C42000-memory.dmp

Filesize
72KB

Download
memory/3828-111-0x0000000006C50000-0x0000000006C5E000-memory.dmp

Filesize
56KB

Download
memory/3828-112-0x0000000006C60000-0x0000000006C74000-memory.dmp

Filesize
80KB

Download
memory/3828-113-0x0000000006C70000-0x0000000006C80000-memory.dmp

Filesize
64KB

Download
memory/3828-114-0x0000000006C90000-0x0000000006CA4000-memory.dmp

Filesize
80KB

Download
memory/3828-115-0x0000000006CB0000-0x0000000006CBE000-memory.dmp

Filesize
56KB

Download
memory/3828-53-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/4360-95-0x0000000007D20000-0x0000000007D3A000-memory.dmp

Filesize
104KB

Download
memory/4360-89-0x00000000079E0000-0x00000000079FA000-memory.dmp

Filesize
104KB

Download
memory/4360-85-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/4360-62-0x000000007F830000-0x000000007F840000-memory.dmp

Filesize
64KB

Download
memory/4360-86-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/4360-15-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/4360-16-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/4360-102-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/4360-73-0x0000000007850000-0x000000000786E000-memory.dmp

Filesize
120KB

Download
memory/4360-14-0x00000000050E0000-0x0000000005116000-memory.dmp

Filesize
216KB

Download
memory/4360-91-0x0000000007C60000-0x0000000007CF6000-memory.dmp

Filesize
600KB

Download
memory/4360-93-0x0000000007C10000-0x0000000007C1E000-memory.dmp

Filesize
56KB

Download
memory/4360-63-0x000000006EE10000-0x000000006EE5C000-memory.dmp

Filesize
304KB

Download
memory/4360-17-0x00000000057F0000-0x0000000005E18000-memory.dmp

Filesize
6.2MB

Download
memory/4360-20-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/4360-49-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/4420-0-0x00000000005A0000-0x000000000064C000-memory.dmp

Filesize
688KB

Download
memory/4420-27-0x000000000DEC0000-0x000000000E214000-memory.dmp

Filesize
3.3MB

Download
memory/4420-1-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/4420-35-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/4420-3-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/4420-24-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-5-0x0000000005050000-0x000000000505A000-memory.dmp

Filesize
40KB

Download
memory/4420-58-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-9-0x000000000D280000-0x000000000D31C000-memory.dmp

Filesize
624KB

Download
memory/4420-4-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/4420-8-0x0000000006920000-0x000000000699A000-memory.dmp

Filesize
488KB

Download
memory/4420-7-0x0000000006370000-0x0000000006384000-memory.dmp

Filesize
80KB

Download
memory/4420-6-0x0000000005620000-0x0000000005640000-memory.dmp

Filesize
128KB

Download