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
behavioral1/memory/2508-4-0x0000000000DE0000-0x0000000000E20000-memory.dmp	rezer0

Suspicious use of SetThreadContext 1 IoCs

Processes:

5bd0a490d12a95b525941ea1ccf50ff6.exe

description pid process target process

PID 2508 set thread context of 2988 2508 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

2368 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2988 RegSvcs.exe
2988 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2988 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2988 RegSvcs.exe

description	pid	process	target process
PID 2508 set thread context of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe

pid	process
2368	schtasks.exe

pid	process
2988	RegSvcs.exe
2988	RegSvcs.exe

pid	process
2988	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2988	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

5bd0a490d12a95b525941ea1ccf50ff6.exe

description	pid	process	target process
PID 2508 wrote to memory of 2368	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	schtasks.exe
PID 2508 wrote to memory of 2368	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	schtasks.exe
PID 2508 wrote to memory of 2368	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	schtasks.exe
PID 2508 wrote to memory of 2368	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	schtasks.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe
PID 2508 wrote to memory of 2988	2508	5bd0a490d12a95b525941ea1ccf50ff6.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\5bd0a490d12a95b525941ea1ccf50ff6.exe
"C:\Users\Admin\AppData\Local\Temp\5bd0a490d12a95b525941ea1ccf50ff6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2508

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jQHFRlVASwLP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD47.tmp"
2⤵
- Creates scheduled task(s)
PID:2368

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2988

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBD47.tmp
Filesize
1KB

MD5
58d29c083cede3594c90715105a882a7

SHA1
c8ee639810ac0e1f9b7f64e19b86d2ef51e50f66

SHA256
2491243b6e4d4e1ca56c829e7b7a6a222e09d6e3e6ed84857c89aaa7a550cbe4

SHA512
052e12ff3c4adb7bcf9af672d15859e10d127267069dfe708008af96f6b68a1801942e499110d9229259d03344b03bd308a207e8a31ab2ce2e15729f3ea47cd1

Download Submit
memory/2508-0-0x0000000000E30000-0x0000000000E9C000-memory.dmp

Filesize
432KB

Download
memory/2508-1-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-2-0x0000000004DF0000-0x0000000004E30000-memory.dmp

Filesize
256KB

Download
memory/2508-3-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/2508-4-0x0000000000DE0000-0x0000000000E20000-memory.dmp

Filesize
256KB

Download
memory/2508-5-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-6-0x0000000004DF0000-0x0000000004E30000-memory.dmp

Filesize
256KB

Download
memory/2508-22-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2988-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-24-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-25-0x0000000004D70000-0x0000000004DB0000-memory.dmp

Filesize
256KB

Download
memory/2988-27-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/2988-29-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/2988-28-0x00000000003C0000-0x00000000003DE000-memory.dmp

Filesize
120KB

Download
memory/2988-30-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-31-0x0000000004D70000-0x0000000004DB0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads