nanocore | b2c0d0fb732a1676418336585176bb1e8e0f1db914b5419f398a172756f88be1

General

Target

Proof Of Payment.scr
Size

831KB
MD5

22178eb7c68a50049e957fcf78b6515e
SHA1

4e7788b3983bac98179aa70aaeb8f4e088191b90
SHA256

d0b5b67a47d70659712ff004c3d7e91b5027100bbd84db3407e9668ed6a408f1
SHA512

a6816c5e58519eff11beb22ba87023bbd1b9844fae6b7d23e41a23ce850c77c9643e688fe4a1cf7c509376ff873db6892892ef86ed74cfbeabd86f85edace623

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harolds.ooguy.com:6051

harold.2waky.com:6051

Mutex

79556390-7150-4551-9067-10cd33e6482e

Attributes

activate_away_mode
true
backup_connection_host
harold.2waky.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-28T08:36:06.976087436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6051
default_group
Acandy
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
79556390-7150-4551-9067-10cd33e6482e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
harolds.ooguy.com
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:

Proof Of Payment.scr

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Proof Of Payment.scr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Proof Of Payment.scr

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Proof Of Payment.scr
Suspicious use of SetThreadContext 1 IoCs

Processes:

Proof Of Payment.scr

description pid process target process

PID 4036 set thread context of 4668 4036 Proof Of Payment.scr Proof Of Payment.scr
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

2120 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Proof Of Payment.scr

description	pid	process	target process
PID 4036 set thread context of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr

pid	process
2120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Proof Of Payment.scrProof Of Payment.scr

pid	process
4036	Proof Of Payment.scr
4036	Proof Of Payment.scr
4036	Proof Of Payment.scr
4036	Proof Of Payment.scr
4668	Proof Of Payment.scr
4668	Proof Of Payment.scr
4668	Proof Of Payment.scr

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Proof Of Payment.scr

pid process

4668 Proof Of Payment.scr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Proof Of Payment.scrProof Of Payment.scr

description pid process

Token: SeDebugPrivilege 4036 Proof Of Payment.scr
Token: SeDebugPrivilege 4668 Proof Of Payment.scr

pid	process
4668	Proof Of Payment.scr

description	pid	process
Token: SeDebugPrivilege	4036	Proof Of Payment.scr
Token: SeDebugPrivilege	4668	Proof Of Payment.scr

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Proof Of Payment.scr

description	pid	process	target process
PID 4036 wrote to memory of 2120	4036	Proof Of Payment.scr	schtasks.exe
PID 4036 wrote to memory of 2120	4036	Proof Of Payment.scr	schtasks.exe
PID 4036 wrote to memory of 2120	4036	Proof Of Payment.scr	schtasks.exe
PID 4036 wrote to memory of 4700	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4700	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4700	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4760	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4760	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4760	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr
PID 4036 wrote to memory of 4668	4036	Proof Of Payment.scr	Proof Of Payment.scr

C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.scr
"C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dCjZPel" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA43F.tmp"
2⤵
- Creates scheduled task(s)
PID:2120

C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.scr
"{path}"
2⤵
PID:4700

C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.scr
"{path}"
2⤵
PID:4760

C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.scr
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4668

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\Proof Of Payment.scr.log
Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA43F.tmp
Filesize
1KB

MD5
eb44c85b5620e1ff7acc9ef4d13b665d

SHA1
a18956d23d1fb893789ec7d075616f8328ef47d8

SHA256
0d4615d1faed2473561caa05c2ae39cc90e4c523205df3ecc32b161db12e5831

SHA512
950c63ce6bf70157aa82f61f407c04f1e6e9d3b720edb566a964e3ba0fbceeecc0f5f2334257460943fb8da8068c24c3648bf6b5d55e5444b593c1f5bfb96f5d

Download Submit
memory/2120-134-0x0000000000000000-mapping.dmp

Download
memory/4036-130-0x0000000000F90000-0x0000000001066000-memory.dmp

Filesize
856KB

Download
memory/4036-131-0x0000000005A00000-0x0000000005A9C000-memory.dmp

Filesize
624KB

Download
memory/4036-132-0x0000000005AA0000-0x0000000005B32000-memory.dmp

Filesize
584KB

Download
memory/4036-133-0x00000000067B0000-0x0000000006D54000-memory.dmp

Filesize
5.6MB

Download
memory/4668-138-0x0000000000000000-mapping.dmp

Download
memory/4668-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4668-141-0x00000000056E0000-0x00000000056EA000-memory.dmp

Filesize
40KB

Download
memory/4700-136-0x0000000000000000-mapping.dmp

Download
memory/4760-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads