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 1668 set thread context of 1496 1668 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

1568 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1496 MSBuild.exe
1496 MSBuild.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

1496 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1496 MSBuild.exe

description	pid	process	target process
PID 1668 set thread context of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe

pid	process
1568	schtasks.exe

pid	process
1496	MSBuild.exe
1496	MSBuild.exe

pid	process
1496	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1496	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Doc#6620200947535257653.exe

description	pid	process	target process
PID 1668 wrote to memory of 1568	1668	Doc#6620200947535257653.exe	schtasks.exe
PID 1668 wrote to memory of 1568	1668	Doc#6620200947535257653.exe	schtasks.exe
PID 1668 wrote to memory of 1568	1668	Doc#6620200947535257653.exe	schtasks.exe
PID 1668 wrote to memory of 1568	1668	Doc#6620200947535257653.exe	schtasks.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	Doc#6620200947535257653.exe	MSBuild.exe
PID 1668 wrote to memory of 1496	1668	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 use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GEIFZWugmA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5937.tmp"
2⤵
- Creates scheduled task(s)
PID:1568

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:1496

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\tmp5937.tmp
MD5
f33107091af2f8d31c4ad65e10805174

SHA1
aa41edbf03bd0754fd08c7e102cbcbf454834a79

SHA256
4885e2f6a309b302d306ff9b864944aa43a4304d4c6c0b5c95a2dd6994f5528b

SHA512
66c9cc5722d2506ae1ec6ca51bc0df2c797cc10e70e6d954ee145a356b5f254e1a914e27fee35750e3ff9e10cc960349b0ad140aa1ce14c9424fb50c38eee48b

Download Submit
memory/1496-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1496-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1496-10-0x000000000041E792-mapping.dmp

Download
memory/1496-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1496-13-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1496-16-0x0000000000260000-0x0000000000265000-memory.dmp

Filesize
20KB

Download
memory/1496-17-0x0000000000370000-0x0000000000389000-memory.dmp

Filesize
100KB

Download
memory/1496-18-0x00000000003A0000-0x00000000003A3000-memory.dmp

Filesize
12KB

Download
memory/1568-7-0x0000000000000000-mapping.dmp

Download
memory/1668-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1668-6-0x00000000045C0000-0x000000000462B000-memory.dmp

Filesize
428KB

Download
memory/1668-3-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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