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 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 1744 set thread context of 1784 1744 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

948 schtasks.exe
1288 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 1744 set thread context of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe

pid	process
948	schtasks.exe
1288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

wUoEZ2u21HcHZUB.exewUoEZ2u21HcHZUB.exe

pid	process
1744	wUoEZ2u21HcHZUB.exe
1744	wUoEZ2u21HcHZUB.exe
1744	wUoEZ2u21HcHZUB.exe
1744	wUoEZ2u21HcHZUB.exe
1744	wUoEZ2u21HcHZUB.exe
1744	wUoEZ2u21HcHZUB.exe
1744	wUoEZ2u21HcHZUB.exe
1784	wUoEZ2u21HcHZUB.exe
1784	wUoEZ2u21HcHZUB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wUoEZ2u21HcHZUB.exewUoEZ2u21HcHZUB.exe

description pid process

Token: SeDebugPrivilege 1744 wUoEZ2u21HcHZUB.exe
Token: SeDebugPrivilege 1784 wUoEZ2u21HcHZUB.exe

description	pid	process
Token: SeDebugPrivilege	1744	wUoEZ2u21HcHZUB.exe
Token: SeDebugPrivilege	1784	wUoEZ2u21HcHZUB.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

wUoEZ2u21HcHZUB.exewUoEZ2u21HcHZUB.exe

description	pid	process	target process
PID 1744 wrote to memory of 948	1744	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 1744 wrote to memory of 948	1744	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 1744 wrote to memory of 948	1744	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 1744 wrote to memory of 948	1744	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 1744 wrote to memory of 2004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 2004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 2004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 2004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 696	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 696	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 696	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 696	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1424	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1424	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1424	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1424	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1004	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1744 wrote to memory of 1784	1744	wUoEZ2u21HcHZUB.exe	wUoEZ2u21HcHZUB.exe
PID 1784 wrote to memory of 1288	1784	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 1784 wrote to memory of 1288	1784	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 1784 wrote to memory of 1288	1784	wUoEZ2u21HcHZUB.exe	schtasks.exe
PID 1784 wrote to memory of 1288	1784	wUoEZ2u21HcHZUB.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yLdJXePhps" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96D4.tmp"
2⤵
- Creates scheduled task(s)
PID:948

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"{path}"
2⤵
PID:2004

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"{path}"
2⤵
PID:696

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"{path}"
2⤵
PID:1424

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"{path}"
2⤵
PID:1004

C:\Users\Admin\AppData\Local\Temp\wUoEZ2u21HcHZUB.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC66C.tmp"
3⤵
- Creates scheduled task(s)
PID:1288

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp96D4.tmp
Filesize
1KB

MD5
d2a3e04c56c597a702cf57475d994d83

SHA1
10100baffae72f356aa270f20040d41a4f1ab67d

SHA256
b9a898392af132ab1c9b90a6e3b0e595bc29a5aa730cf19a24a1edc85e2a408f

SHA512
6439196fe689dacf1f47f5407bb19270d5060605ae5b2acef5bfcec14d24f93c1c8b8fb029ddff83152c0fc874d34e337488041b118ec20deee5039918721166

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC66C.tmp
Filesize
1KB

MD5
ef6394c37d06d4b83af0cdfd217d02e1

SHA1
b00372ce8cb4f54a14d6cdb2a754ea040e4b6224

SHA256
f53208e4849caa24448d453eb38e796cfb906af8cc9a64fb834a3fa3d0268a68

SHA512
2ae58684685b7d3381afee98ae0843960ac010163a0312b8daad03a76754b4d3702903bcfc0c7f3be53ed4426b5a2572fae9c55d78d82c62fd81155e547cb683

Download Submit
memory/948-58-0x0000000000000000-mapping.dmp

Download
memory/1288-73-0x0000000000000000-mapping.dmp

Download
memory/1744-57-0x0000000003FB0000-0x0000000004006000-memory.dmp

Filesize
344KB

Download
memory/1744-56-0x0000000004BA0000-0x0000000004C0E000-memory.dmp

Filesize
440KB

Download
memory/1744-55-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/1744-54-0x00000000001C0000-0x0000000000240000-memory.dmp

Filesize
512KB

Download
memory/1784-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-67-0x000000000041E792-mapping.dmp

Download
memory/1784-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-72-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1784-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-75-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/1784-76-0x0000000001F40000-0x0000000001F5E000-memory.dmp

Filesize
120KB

Download
memory/1784-77-0x0000000001EE0000-0x0000000001EEA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads