nanocore | cce24ef5bce0ff17a08ef75abb9b0b0d61c8c3af663a3f01d552a4288008a027

General

Target

Doc#6620200947535257653.exe
Size

907KB
MD5

98789f03a156289925d5722ab34d44b2
SHA1

7b42dd2b0f2f9e550f8da699ee8ce55923c87e0c
SHA256

cce24ef5bce0ff17a08ef75abb9b0b0d61c8c3af663a3f01d552a4288008a027
SHA512

189cd116c30226b460bad0369286eb5e20359fc781697283bbb5569da0d6b6d10c0a9b23c1b165e0264eae2a4ea761fc1d5c1b79d1966ce28a14235478ab221a

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.157.160.233:2212

annapro.linkpc.net:2212

Mutex

5c958888-f81c-42a4-939d-31983a2cd9ba

Attributes

activate_away_mode
true
backup_connection_host
annapro.linkpc.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-24T06:39:59.095270636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2212
default_group
wuzzy122
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
5c958888-f81c-42a4-939d-31983a2cd9ba
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.157.160.233
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Doc#6620200947535257653.exe

description pid process target process

PID 4716 set thread context of 4360 4716 Doc#6620200947535257653.exe MSBuild.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
T1053

Processes:

schtasks.exe

pid process

4368 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Doc#6620200947535257653.exeMSBuild.exe

pid process

4716 Doc#6620200947535257653.exe
4360 MSBuild.exe
4360 MSBuild.exe
4360 MSBuild.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

4360 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Doc#6620200947535257653.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 4716 Doc#6620200947535257653.exe
Token: SeDebugPrivilege 4360 MSBuild.exe

description	pid	process	target process
PID 4716 set thread context of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe

pid	process
4368	schtasks.exe

pid	process
4716	Doc#6620200947535257653.exe
4360	MSBuild.exe
4360	MSBuild.exe
4360	MSBuild.exe

pid	process
4360	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4716	Doc#6620200947535257653.exe
Token: SeDebugPrivilege	4360	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Doc#6620200947535257653.exe

description	pid	process	target process
PID 4716 wrote to memory of 4368	4716	Doc#6620200947535257653.exe	schtasks.exe
PID 4716 wrote to memory of 4368	4716	Doc#6620200947535257653.exe	schtasks.exe
PID 4716 wrote to memory of 4368	4716	Doc#6620200947535257653.exe	schtasks.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe
PID 4716 wrote to memory of 4360	4716	Doc#6620200947535257653.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Doc#6620200947535257653.exe
"C:\Users\Admin\AppData\Local\Temp\Doc#6620200947535257653.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4716

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GEIFZWugmA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9A8.tmp"
2⤵
- Creates scheduled task(s)
PID:4368

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4360

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF9A8.tmp
MD5
580d24c85dee42b2251ecabc1d525c66

SHA1
11f0f8c72a2961c11b5e0177ca281a91486e2e79

SHA256
fc50f787a0b8f525efeb71276ff111b015befa574966a0d3c6f1c9f792327b28

SHA512
b1cfa6e72d5cf7f05003f6806260ef70f03a43a1c520b981c0a8abc6e0d87d4351e0164f97a27b901e156c253e451c839b4d213d5a917e6b1edcbf87ded5ba1f

Download Submit
memory/4360-25-0x00000000059F0000-0x00000000059F3000-memory.dmp

Filesize
12KB

Download
memory/4360-24-0x0000000006050000-0x0000000006069000-memory.dmp

Filesize
100KB

Download
memory/4360-23-0x00000000056E0000-0x00000000056E5000-memory.dmp

Filesize
20KB

Download
memory/4360-16-0x0000000073530000-0x0000000073C1E000-memory.dmp

Filesize
6.9MB

Download
memory/4360-15-0x000000000041E792-mapping.dmp

Download
memory/4360-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4368-12-0x0000000000000000-mapping.dmp

Download
memory/4716-7-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/4716-11-0x00000000057C0000-0x000000000582B000-memory.dmp

Filesize
428KB

Download
memory/4716-10-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4716-9-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/4716-8-0x0000000004A30000-0x0000000004A31000-memory.dmp

Filesize
4KB

Download
memory/4716-2-0x0000000073530000-0x0000000073C1E000-memory.dmp

Filesize
6.9MB

Download
memory/4716-6-0x0000000005020000-0x0000000005021000-memory.dmp

Filesize
4KB

Download
memory/4716-5-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/4716-3-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads