nanocore | c82d9375fd3a5de5b520cf87769703b21f40ddc237a0b940f2303fea7844af2f

General

Target

wUoEZ2u21HcHZUB.exe
Size

484KB
MD5

71e87ef429cefb50f6ad35e4465cceda
SHA1

a449a96ae8446f744370a69696af721e9c1bde93
SHA256

d5c4abd1ed6e2d15109e2d13d41ff52e2c0ac5203a6e373d2971bff5a75560d7
SHA512

15456b249fc1e036281ebe789bd3db9f88298c2395a0eb60bdaade9256b0da642cc45ee7e5f1808f2ebe3b06b7193b87a47cced14dcaf5115927d1237e99549b

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

hampowell.ddns.net:1777

Mutex

f7b79aee-15d1-4aa4-b07b-a5ba4d826dd4

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-06-05T17:31:14.638779736Z
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
1777
default_group
Dera
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
f7b79aee-15d1-4aa4-b07b-a5ba4d826dd4
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
hampowell.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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:

wUoEZ2u21HcHZUB.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	wUoEZ2u21HcHZUB.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

wUoEZ2u21HcHZUB.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA wUoEZ2u21HcHZUB.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

wUoEZ2u21HcHZUB.exe

description pid process target process

PID 2340 set thread context of 2352 2340 wUoEZ2u21HcHZUB.exe wUoEZ2u21HcHZUB.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1988 schtasks.exe
4820 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	wUoEZ2u21HcHZUB.exe

description	pid	process	target process
PID 2340 set thread context of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe

pid	process
1988	schtasks.exe
4820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

wUoEZ2u21HcHZUB.exewUoEZ2u21HcHZUB.exe

pid	process
2340	wUoEZ2u21HcHZUB.exe
2340	wUoEZ2u21HcHZUB.exe
2340	wUoEZ2u21HcHZUB.exe
2340	wUoEZ2u21HcHZUB.exe
2352	wUoEZ2u21HcHZUB.exe
2352	wUoEZ2u21HcHZUB.exe
2352	wUoEZ2u21HcHZUB.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

wUoEZ2u21HcHZUB.exe

pid process

2352 wUoEZ2u21HcHZUB.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wUoEZ2u21HcHZUB.exewUoEZ2u21HcHZUB.exe

description pid process

Token: SeDebugPrivilege 2340 wUoEZ2u21HcHZUB.exe
Token: SeDebugPrivilege 2352 wUoEZ2u21HcHZUB.exe

pid	process
2352	wUoEZ2u21HcHZUB.exe

description	pid	process
Token: SeDebugPrivilege	2340	wUoEZ2u21HcHZUB.exe
Token: SeDebugPrivilege	2352	wUoEZ2u21HcHZUB.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

wUoEZ2u21HcHZUB.exewUoEZ2u21HcHZUB.exe

description	pid	process	target process
PID 2340 wrote to memory of 1988	2340	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 2340 wrote to memory of 1988	2340	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 2340 wrote to memory of 1988	2340	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2340 wrote to memory of 2352	2340	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 2352 wrote to memory of 4820	2352	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 2352 wrote to memory of 4820	2352	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 2352 wrote to memory of 4820	2352	wUoEZ2u21HcHZUB.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yLdJXePhps" /XML "C:\Users\Admin\AppData\Local\Temp\tmp27EB.tmp"
2⤵
- Creates scheduled task(s)
PID:1988

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2E05.tmp"
3⤵
- Creates scheduled task(s)
PID:4820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\wUoEZ2u21HcHZUB.exe.log
Filesize
507B

MD5
76ffb2f33cb32ade8fc862a67599e9d8

SHA1
920cc4ab75b36d2f9f6e979b74db568973c49130

SHA256
f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

SHA512
f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp27EB.tmp
Filesize
1KB

MD5
6fa8f28de99357976a6b5cc895b4f6e6

SHA1
88fdd1a22630de78a99910f04bfee95eb5f3cc1b

SHA256
6274db712671cc2b57e1a189bc90ae8225e9625b05fd7fa327d861bb7072ed4d

SHA512
99a28bc07cf3baf12b45c0cbfcc8812937dbf7fcd50c57a35826c478bd2a5a27fe5815036b0350ea771ebe67ee8a8696791e81457f5c85e5aebfd08b0a7622e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2E05.tmp
Filesize
1KB

MD5
ef6394c37d06d4b83af0cdfd217d02e1

SHA1
b00372ce8cb4f54a14d6cdb2a754ea040e4b6224

SHA256
f53208e4849caa24448d453eb38e796cfb906af8cc9a64fb834a3fa3d0268a68

SHA512
2ae58684685b7d3381afee98ae0843960ac010163a0312b8daad03a76754b4d3702903bcfc0c7f3be53ed4426b5a2572fae9c55d78d82c62fd81155e547cb683

Download Submit
memory/1988-134-0x0000000000000000-mapping.dmp

Download
memory/2340-130-0x0000000000B80000-0x0000000000C00000-memory.dmp

Filesize
512KB

Download
memory/2340-131-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/2340-132-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/2340-133-0x0000000006440000-0x00000000064DC000-memory.dmp

Filesize
624KB

Download
memory/2352-136-0x0000000000000000-mapping.dmp

Download
memory/2352-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-139-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/4820-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads