nanocore | 4b6595d3eae863e6fdc59a8e1dd2acfe621350c8a3891ae4bea6da010c024510

General

Target

Quotation #OSWL6.exe
Size

604KB
MD5

d182ffe741b1fddb599133f9ad3698e9
SHA1

db29aae4839cf4c34b8aa8eb8831324f1fe26883
SHA256

4b6595d3eae863e6fdc59a8e1dd2acfe621350c8a3891ae4bea6da010c024510
SHA512

aafa43dda93bc45b33f485370e3ed3e10ea78fa19cee56299b1affbaf6539babedabf262b22f92fe9ab3dfda31a8efdd4b350e26bbf26dbc1a71da3e6d498059

Score

10^/10

nanocore keylogger ransomware spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

malam.ddns.net:2000

127.0.0.1:2000

Mutex

e7f4c26a-4857-49be-bc0c-5fbe5b1c5b60

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-09-20T08:44:37.585887736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2000
default_group
Casalov2020
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
e7f4c26a-4857-49be-bc0c-5fbe5b1c5b60
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
malam.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation #OSWL6.exe

description pid process target process

PID 3300 set thread context of 924 3300 Quotation #OSWL6.exe RegSvcs.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

3644 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Quotation #OSWL6.exeRegSvcs.exe

pid process

3300 Quotation #OSWL6.exe
3300 Quotation #OSWL6.exe
3300 Quotation #OSWL6.exe
924 RegSvcs.exe
924 RegSvcs.exe
924 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

924 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation #OSWL6.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3300 Quotation #OSWL6.exe
Token: SeDebugPrivilege 924 RegSvcs.exe

description	pid	process	target process
PID 3300 set thread context of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe

pid	process
3644	schtasks.exe

pid	process
3300	Quotation #OSWL6.exe
3300	Quotation #OSWL6.exe
3300	Quotation #OSWL6.exe
924	RegSvcs.exe
924	RegSvcs.exe
924	RegSvcs.exe

pid	process
924	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3300	Quotation #OSWL6.exe
Token: SeDebugPrivilege	924	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Quotation #OSWL6.exe

description	pid	process	target process
PID 3300 wrote to memory of 3644	3300	Quotation #OSWL6.exe	schtasks.exe
PID 3300 wrote to memory of 3644	3300	Quotation #OSWL6.exe	schtasks.exe
PID 3300 wrote to memory of 3644	3300	Quotation #OSWL6.exe	schtasks.exe
PID 3300 wrote to memory of 344	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 344	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 344	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe
PID 3300 wrote to memory of 924	3300	Quotation #OSWL6.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Quotation #OSWL6.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation #OSWL6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3300

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cZdbzY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp188A.tmp"
2⤵
- Creates scheduled task(s)
PID:3644

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:344

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:924

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp188A.tmp

MD5
d5bf3d96abd7755bec24dad0dca13313

SHA1
7fcdfcc26b9d6c90bbccbab02a8dfbe4d3520f3c

SHA256
f7109c61b9bbd97fc29f773d437ff72be1568d93d392773585c0b9d3465135f9

SHA512
70167256eace8d500420ce29ca549a897d3ecb091e23a8f4dc38e92cc44fb98d3a4a4b7feae1af1ec419a59e471511156534e583b9fb0df19947c2f791f7967a

Download Submit
memory/924-27-0x0000000005733000-0x0000000005735000-memory.dmp

Filesize
8KB

Download
memory/924-26-0x0000000006660000-0x0000000006663000-memory.dmp

Filesize
12KB

Download
memory/924-25-0x0000000006430000-0x0000000006449000-memory.dmp

Filesize
100KB

Download
memory/924-24-0x0000000005930000-0x0000000005935000-memory.dmp

Filesize
20KB

Download
memory/924-23-0x0000000005730000-0x0000000005731000-memory.dmp

Filesize
4KB

Download
memory/924-16-0x0000000073300000-0x00000000739EE000-memory.dmp

Filesize
6.9MB

Download
memory/924-15-0x000000000041E792-mapping.dmp

Download
memory/924-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3300-7-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/3300-11-0x0000000006510000-0x0000000006511000-memory.dmp

Filesize
4KB

Download
memory/3300-10-0x0000000006410000-0x000000000646E000-memory.dmp

Filesize
376KB

Download
memory/3300-9-0x00000000056E0000-0x00000000056E4000-memory.dmp

Filesize
16KB

Download
memory/3300-8-0x0000000005920000-0x0000000005921000-memory.dmp

Filesize
4KB

Download
memory/3300-2-0x0000000073300000-0x00000000739EE000-memory.dmp

Filesize
6.9MB

Download
memory/3300-6-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/3300-5-0x0000000005CF0000-0x0000000005CF1000-memory.dmp

Filesize
4KB

Download
memory/3300-3-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

Filesize
4KB

Download
memory/3644-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads