nanocore | a88da432201bddf63c6468d7ab3cd2a69f29e222c6c7543fd8c4a0b6ae75f66a

General

Target

Incentive Doc.exe
Size

391KB
MD5

6b48de13978e73af6eafabeeefebab51
SHA1

e7118497e55b204f7b1d4b5500a5ae332507d109
SHA256

2a9cf930b5e11dee35842ff73179a0467f820a95e23560d774f7ea05111de351
SHA512

40a76b85aa60446c1cf4beb31960bdf9269ef895500773f639afacf6a7ed909a564f9ea585d6e47fcab4ba64eac4894056913039ef2970260e2d4b67d9fe4f49

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

masterwork.ydns.eu:2310

127.0.0.1:2310

Mutex

7dacfffd-e900-45d5-a878-74cb2c59d5c1

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-24T15:02:46.236911836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2310
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
true
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
7dacfffd-e900-45d5-a878-74cb2c59d5c1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
masterwork.ydns.eu
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:

Incentive Doc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Incentive Doc.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Incentive Doc.exe

description ioc process

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

Processes:

Incentive Doc.exe

description pid process target process

PID 796 set thread context of 4232 796 Incentive Doc.exe Incentive Doc.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 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

2784 schtasks.exe

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

description	pid	process	target process
PID 796 set thread context of 4232	796	Incentive Doc.exe	Incentive Doc.exe

pid	process
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

Incentive Doc.exeIncentive Doc.exe

pid	process
796	Incentive Doc.exe
796	Incentive Doc.exe
796	Incentive Doc.exe
796	Incentive Doc.exe
796	Incentive Doc.exe
796	Incentive Doc.exe
796	Incentive Doc.exe
796	Incentive Doc.exe
4232	Incentive Doc.exe
4232	Incentive Doc.exe
4232	Incentive Doc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Incentive Doc.exe

pid process

4232 Incentive Doc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Incentive Doc.exeIncentive Doc.exe

description pid process

Token: SeDebugPrivilege 796 Incentive Doc.exe
Token: SeDebugPrivilege 4232 Incentive Doc.exe

pid	process
4232	Incentive Doc.exe

description	pid	process
Token: SeDebugPrivilege	796	Incentive Doc.exe
Token: SeDebugPrivilege	4232	Incentive Doc.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Incentive Doc.exe

description	pid	process	target process
PID 796 wrote to memory of 2784	796	Incentive Doc.exe	schtasks.exe
PID 796 wrote to memory of 2784	796	Incentive Doc.exe	schtasks.exe
PID 796 wrote to memory of 2784	796	Incentive Doc.exe	schtasks.exe
PID 796 wrote to memory of 1376	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 1376	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 1376	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 2312	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 2312	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 2312	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe
PID 796 wrote to memory of 4232	796	Incentive Doc.exe	Incentive Doc.exe

C:\Users\Admin\AppData\Local\Temp\Incentive Doc.exe
"C:\Users\Admin\AppData\Local\Temp\Incentive Doc.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QQTkQqFCJswyiG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp759D.tmp"
2⤵
- Creates scheduled task(s)
PID:2784

C:\Users\Admin\AppData\Local\Temp\Incentive Doc.exe
"{path}"
2⤵
PID:1376

C:\Users\Admin\AppData\Local\Temp\Incentive Doc.exe
"{path}"
2⤵
PID:2312

C:\Users\Admin\AppData\Local\Temp\Incentive Doc.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4232

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Incentive Doc.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp759D.tmp

Filesize
1KB

MD5
3c435b0c9969ebc350850b662289e36e

SHA1
3aed08ca25438f6529f00f095e975858c04c82d3

SHA256
7edb0fc9b38889f8c0089e20e5cbf5db51424e577f81ea1195676ae0db47ec3e

SHA512
fde68f2756f1587b786d2faaa969350f9adea745ce70a255834306398a5e92707edd6ca28a61993bc4aafcd95a37eac473f592c93a567e67b0d5a390179a14ba

Download Submit
memory/796-130-0x00000000001C0000-0x0000000000228000-memory.dmp

Filesize
416KB

Download
memory/796-131-0x00000000050F0000-0x0000000005694000-memory.dmp

Filesize
5.6MB

Download
memory/796-132-0x0000000004BE0000-0x0000000004C72000-memory.dmp

Filesize
584KB

Download
memory/796-133-0x0000000004C80000-0x0000000004C8A000-memory.dmp

Filesize
40KB

Download
memory/796-134-0x0000000007120000-0x00000000071BC000-memory.dmp

Filesize
624KB

Download
memory/1376-137-0x0000000000000000-mapping.dmp

Download
memory/2312-138-0x0000000000000000-mapping.dmp

Download
memory/2784-135-0x0000000000000000-mapping.dmp

Download
memory/4232-139-0x0000000000000000-mapping.dmp

Download
memory/4232-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads