nanocore | 3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc

Analysis

max time kernel
138s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
21-09-2022 05:45

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General

Target

3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
Size

180KB
MD5

d68c1898ceffa72ba1ac579c83cc494c
SHA1

0cbea644e19ae6d3b934a648b5bd1a9558c64e96
SHA256

3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc
SHA512

35b09232dd1abb7d23910e64d09e6bebd43bc2469c6e4d44a2a4ed8fd88051ec0d08206a8fce25f1efb5aa85cefb9a8d87ddf9adb026029894c5481a19bb1b43
SSDEEP

1536:0GBVDgKMoum8X/ScqsClbZ5hapDbEJ0XIPnG+aaMrIl0PegZoZZZZZZZZZZZZZgJ:0muRjClb81C5adRQQelxyAx9fCTt

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

95.70.139.81:54984

Mutex

2afd92d3-82ee-48f4-9de3-98029fbb1ca4

Attributes

activate_away_mode
false
backup_connection_host
95.70.139.81
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-01T08:20:47.457547136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
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
2afd92d3-82ee-48f4-9de3-98029fbb1ca4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
95.70.139.81
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

IAppIdAuthority.exeIAppIdAuthority.exe

pid process

4112 IAppIdAuthority.exe
708 IAppIdAuthority.exe

pid	process
4112	IAppIdAuthority.exe
708	IAppIdAuthority.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

IAppIdAuthority.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	IAppIdAuthority.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

IAppIdAuthority.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA IAppIdAuthority.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exeIAppIdAuthority.exe

description	pid	process	target process
PID 2764 set thread context of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 4112 set thread context of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe

Drops file in Program Files directory 2 IoCs

Processes:

IAppIdAuthority.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	IAppIdAuthority.exe
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	IAppIdAuthority.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

IAppIdAuthority.exe

pid process

708 IAppIdAuthority.exe
708 IAppIdAuthority.exe
708 IAppIdAuthority.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

IAppIdAuthority.exe

pid process

708 IAppIdAuthority.exe

pid	process
708	IAppIdAuthority.exe
708	IAppIdAuthority.exe
708	IAppIdAuthority.exe

pid	process
708	IAppIdAuthority.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exeIAppIdAuthority.exeIAppIdAuthority.exe

description	pid	process
Token: SeDebugPrivilege	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
Token: SeDebugPrivilege	4112	IAppIdAuthority.exe
Token: SeDebugPrivilege	708	IAppIdAuthority.exe
Token: SeDebugPrivilege	708	IAppIdAuthority.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exeIAppIdAuthority.exe

description	pid	process	target process
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4236	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
PID 2764 wrote to memory of 4112	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	IAppIdAuthority.exe
PID 2764 wrote to memory of 4112	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	IAppIdAuthority.exe
PID 2764 wrote to memory of 4112	2764	3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe
PID 4112 wrote to memory of 708	4112	IAppIdAuthority.exe	IAppIdAuthority.exe

C:\Users\Admin\AppData\Local\Temp\3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
"C:\Users\Admin\AppData\Local\Temp\3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764

C:\Users\Admin\AppData\Local\Temp\3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe
"C:\Users\Admin\AppData\Local\Temp\3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe"
2⤵
PID:4236

C:\Users\Admin\AppData\Local\Temp\IAppIdAuthority.exe
C:\Users\Admin\AppData\Local\Temp\IAppIdAuthority.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4112

C:\Users\Admin\AppData\Local\Temp\IAppIdAuthority.exe
"C:\Users\Admin\AppData\Local\Temp\IAppIdAuthority.exe"
3⤵
- Executes dropped EXE
- 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:708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc.exe.log

Filesize
410B

MD5
1254c55dd47bb823e0ce10dff0298a20

SHA1
de1c780a4c75090053003f4eb606fe481f6126aa

SHA256
16f124d47c9cda13c9ead5a1061eda573201b16ca09b66ea2d30d41c3ab1f562

SHA512
96d562b16ed0436a2aa45d5ee83af82f0be34f2d1d48a21cefe57bc1b95a4d788c19a59cf7d8eacfe6e01f88c918675591c1e2e05782c659918562b77fc3eb6e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IAppIdAuthority.exe.log

Filesize
1KB

MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

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

Filesize
486KB

MD5
9c44d904890df75e5f1b7c3c3ba0b7db

SHA1
2aea8311e7e1178396d5308d3853b6dc0334f849

SHA256
e7763c3bb26ac869ce31f856dbd583c7b64979afcadbbcff4618c7d42c1feb6d

SHA512
bcf9af878879865941d85934df601fb00afc59d8bf2191b609c8d11ccf2205d100aea80c74118783e3e5f19b893a9c3dd2aff4db2792c3205645662661f69788

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

Filesize
486KB

MD5
9c44d904890df75e5f1b7c3c3ba0b7db

SHA1
2aea8311e7e1178396d5308d3853b6dc0334f849

SHA256
e7763c3bb26ac869ce31f856dbd583c7b64979afcadbbcff4618c7d42c1feb6d

SHA512
bcf9af878879865941d85934df601fb00afc59d8bf2191b609c8d11ccf2205d100aea80c74118783e3e5f19b893a9c3dd2aff4db2792c3205645662661f69788

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

Filesize
486KB

MD5
9c44d904890df75e5f1b7c3c3ba0b7db

SHA1
2aea8311e7e1178396d5308d3853b6dc0334f849

SHA256
e7763c3bb26ac869ce31f856dbd583c7b64979afcadbbcff4618c7d42c1feb6d

SHA512
bcf9af878879865941d85934df601fb00afc59d8bf2191b609c8d11ccf2205d100aea80c74118783e3e5f19b893a9c3dd2aff4db2792c3205645662661f69788

Download Submit
memory/708-302-0x000000000041E792-mapping.dmp

Download
memory/708-369-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download
memory/708-367-0x00000000050B0000-0x00000000050CE000-memory.dmp

Filesize
120KB

Download
memory/708-366-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

Filesize
40KB

Download
memory/708-340-0x0000000000600000-0x0000000000638000-memory.dmp

Filesize
224KB

Download
memory/2764-155-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-160-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-125-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-126-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-127-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-128-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-129-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-130-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-131-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-132-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-133-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-134-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-135-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-136-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-137-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-138-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-139-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-140-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-141-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-142-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-143-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-144-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-145-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-146-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-147-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-148-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-149-0x0000000000560000-0x0000000000594000-memory.dmp

Filesize
208KB

Download
memory/2764-150-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-151-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-152-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-153-0x0000000004D90000-0x0000000004E2C000-memory.dmp

Filesize
624KB

Download
memory/2764-154-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-123-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-156-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-157-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-158-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-159-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-124-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-161-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-162-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-163-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-164-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-165-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-166-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-167-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-168-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-169-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-170-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-171-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-172-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-173-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-174-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-175-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-176-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-177-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-178-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-179-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-180-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-181-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-185-0x0000000004D80000-0x0000000004D92000-memory.dmp

Filesize
72KB

Download
memory/2764-191-0x0000000005B40000-0x000000000603E000-memory.dmp

Filesize
5.0MB

Download
memory/2764-219-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/2764-228-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/2764-116-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-117-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-122-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-121-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-120-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-119-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-118-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/4112-276-0x00000000000E0000-0x0000000000160000-memory.dmp

Filesize
512KB

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memory/4112-239-0x0000000000000000-mapping.dmp

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memory/4112-299-0x00000000049C0000-0x00000000049D0000-memory.dmp

Filesize
64KB

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memory/4236-187-0x0000000000402EEE-mapping.dmp

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memory/4236-222-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

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