nanocore | 9712b14a2555354eaeac47c14fc1f1fa1a83e21b0298a0b502732ee8c1d69d3c

General

Target

5bd0a490d12a95b525941ea1ccf50ff6.exe
Size

413KB
MD5

5bd0a490d12a95b525941ea1ccf50ff6
SHA1

1d59862b2114a5e46056eb033e4fbf6a41e3d456
SHA256

9712b14a2555354eaeac47c14fc1f1fa1a83e21b0298a0b502732ee8c1d69d3c
SHA512

993d957703cf6ee1401dc4ef7701818e7dcf10c102e621cec326059f3bb56fc248a8ada1176fafb7db20c98719a93ac5345a9b3034891bace3d05a36048ff4ca
SSDEEP

6144:XdHpBQPIDKpgLL4G6dNew3m7Kx8Ftk99Vn6N7+T0T:PBQADKp20ow3EKS7AVnp0

Score

10^/10

nanocore keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

Olivia.duia.ro:85

olivia.urown.cloud:85

Mutex

7878d6ae-2199-42d9-b1ae-d01b73f7f35b

Attributes

activate_away_mode
true
backup_connection_host
olivia.urown.cloud
backup_dns_server
buffer_size
65535
build_time
2020-03-12T20:10:20.855614936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
85
default_group
777
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
7878d6ae-2199-42d9-b1ae-d01b73f7f35b
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
Olivia.duia.ro
primary_dns_server
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

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/3904-7-0x0000000007940000-0x0000000007980000-memory.dmp	rezer0

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:

5bd0a490d12a95b525941ea1ccf50ff6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	5bd0a490d12a95b525941ea1ccf50ff6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5bd0a490d12a95b525941ea1ccf50ff6.exe

description pid process target process

PID 3904 set thread context of 5044 3904 5bd0a490d12a95b525941ea1ccf50ff6.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

4456 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

5bd0a490d12a95b525941ea1ccf50ff6.exeRegSvcs.exe

pid process

3904 5bd0a490d12a95b525941ea1ccf50ff6.exe
3904 5bd0a490d12a95b525941ea1ccf50ff6.exe
5044 RegSvcs.exe
5044 RegSvcs.exe
5044 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

5044 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5bd0a490d12a95b525941ea1ccf50ff6.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3904 5bd0a490d12a95b525941ea1ccf50ff6.exe
Token: SeDebugPrivilege 5044 RegSvcs.exe

description	pid	process	target process
PID 3904 set thread context of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe

pid	process
4456	schtasks.exe

pid	process
3904	5bd0a490d12a95b525941ea1ccf50ff6.exe
3904	5bd0a490d12a95b525941ea1ccf50ff6.exe
5044	RegSvcs.exe
5044	RegSvcs.exe
5044	RegSvcs.exe

pid	process
5044	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe
Token: SeDebugPrivilege	5044	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

5bd0a490d12a95b525941ea1ccf50ff6.exe

description	pid	process	target process
PID 3904 wrote to memory of 4456	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	schtasks.exe
PID 3904 wrote to memory of 4456	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	schtasks.exe
PID 3904 wrote to memory of 4456	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	schtasks.exe
PID 3904 wrote to memory of 2180	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 2180	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 2180	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 3904 wrote to memory of 5044	3904	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\5bd0a490d12a95b525941ea1ccf50ff6.exe
"C:\Users\Admin\AppData\Local\Temp\5bd0a490d12a95b525941ea1ccf50ff6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jQHFRlVASwLP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE337.tmp"
2⤵
- Creates scheduled task(s)
PID:4456

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:2180

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:5044

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE337.tmp
Filesize
1KB

MD5
d73b588683ab018a17224c77e1a481db

SHA1
fb1b4c2def19095d7f886613f2f092af52ad0bec

SHA256
9cd7685d54685c30ef34288a80a0960ab1cdca8536e308f73a5d4d57772b88c6

SHA512
fcdb6eed9a30b3cea2d792c61f0f3854cea3e6579cacf2890a1d73afb3ab66c4bab601e691d01eac222f77d2c029bd3647b024affe0c9d09ce5fa2cff83006b3

Download Submit
memory/3904-10-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3904-3-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/3904-1-0x00000000004C0000-0x000000000052C000-memory.dmp

Filesize
432KB

Download
memory/3904-4-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3904-5-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/3904-6-0x00000000054C0000-0x00000000054C8000-memory.dmp

Filesize
32KB

Download
memory/3904-7-0x0000000007940000-0x0000000007980000-memory.dmp

Filesize
256KB

Download
memory/3904-8-0x0000000007A20000-0x0000000007ABC000-memory.dmp

Filesize
624KB

Download
memory/3904-17-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3904-0-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3904-9-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3904-2-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/5044-26-0x0000000005C60000-0x0000000005C70000-memory.dmp

Filesize
64KB

Download
memory/5044-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-18-0x0000000005C60000-0x0000000005C70000-memory.dmp

Filesize
64KB

Download
memory/5044-20-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/5044-21-0x0000000005900000-0x000000000591E000-memory.dmp

Filesize
120KB

Download
memory/5044-22-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/5044-23-0x0000000005C60000-0x0000000005C70000-memory.dmp

Filesize
64KB

Download
memory/5044-24-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-25-0x0000000005C60000-0x0000000005C70000-memory.dmp

Filesize
64KB

Download
memory/5044-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads