nanocore | c2ad0aa1a038e5837fe7703d1455c2389617d19c591a4a99cbc0a766bb5207e7

General

Target

13- CIVCO.exe
Size

858KB
MD5

a5cf4dcadf3f133879b124d00fbf63e0
SHA1

e6090de532e0bdc2c6f2daa8191ed905b069c5d1
SHA256

8133b96955c936b094a7bfe2351554503c31ffd075767e0d5b735dd90a024dd4
SHA512

9b51847507f0d73bf850afe18ce58bcc4a5c58ed7cc670730810d81f9e6e96c76fda5ee967736a2631f9b704a6bb36616f73d3d97a94a2de5b45e358ae33e3a2

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

helixsohum-59977.portmap.io:59977

Mutex

b503f318-d700-4046-a22f-59d4605e0541

Attributes

activate_away_mode
false
backup_connection_host
helixsohum-59977.portmap.io
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-06-12T04:38:34.687559536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
59977
default_group
Appollo Result
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
b503f318-d700-4046-a22f-59d4605e0541
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
helixsohum-59977.portmap.io
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:

13- CIVCO.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	13- CIVCO.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

13- CIVCO.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 13- CIVCO.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

13- CIVCO.exe

description pid process target process

PID 1604 set thread context of 2584 1604 13- CIVCO.exe 13- CIVCO.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

3628 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

13- CIVCO.exe13- CIVCO.exe

pid process

1604 13- CIVCO.exe
1604 13- CIVCO.exe
2584 13- CIVCO.exe
2584 13- CIVCO.exe
2584 13- CIVCO.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

13- CIVCO.exe

pid process

2584 13- CIVCO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

13- CIVCO.exe13- CIVCO.exe

description pid process

Token: SeDebugPrivilege 1604 13- CIVCO.exe
Token: SeDebugPrivilege 2584 13- CIVCO.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	13- CIVCO.exe

description	pid	process	target process
PID 1604 set thread context of 2584	1604	13- CIVCO.exe	13- CIVCO.exe

pid	process
3628	schtasks.exe

pid	process
1604	13- CIVCO.exe
1604	13- CIVCO.exe
2584	13- CIVCO.exe
2584	13- CIVCO.exe
2584	13- CIVCO.exe

pid	process
2584	13- CIVCO.exe

description	pid	process
Token: SeDebugPrivilege	1604	13- CIVCO.exe
Token: SeDebugPrivilege	2584	13- CIVCO.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

13- CIVCO.exe

description	pid	process	target process
PID 1604 wrote to memory of 3628	1604	13- CIVCO.exe	schtasks.exe
PID 1604 wrote to memory of 3628	1604	13- CIVCO.exe	schtasks.exe
PID 1604 wrote to memory of 3628	1604	13- CIVCO.exe	schtasks.exe
PID 1604 wrote to memory of 3160	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 3160	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 3160	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe
PID 1604 wrote to memory of 2584	1604	13- CIVCO.exe	13- CIVCO.exe

C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe
"C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tQHepANY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5498.tmp"
2⤵
- Creates scheduled task(s)
PID:3628

C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe
"C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"
2⤵
PID:3160

C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe
"C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2584

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\13- CIVCO.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5498.tmp
Filesize
1KB

MD5
2f8e1dc68ff5f36ae61e3d65a49da920

SHA1
7299f89569bb015edd1377bb9dff30c4ca64cd06

SHA256
02bcdc0c2015d5841cc994b57d6c82b620706521ced9628cc64c85747d786e63

SHA512
57832c08333fd5cbc73c295d31a2c4f531a3a83d31d482c3b8b282643f297cf79c1e05c7fe2d68440c0ac97b2e0de45dd55927d682db0fba8d6aea955063796b

Download Submit
memory/1604-130-0x00000000001A0000-0x000000000027C000-memory.dmp

Filesize
880KB

Download
memory/1604-131-0x0000000004BC0000-0x0000000004C5C000-memory.dmp

Filesize
624KB

Download
memory/1604-132-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/1604-133-0x0000000004DA0000-0x0000000004E32000-memory.dmp

Filesize
584KB

Download
memory/1604-134-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/1604-135-0x0000000004F30000-0x0000000004F86000-memory.dmp

Filesize
344KB

Download
memory/2584-139-0x0000000000000000-mapping.dmp

Download
memory/2584-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3160-138-0x0000000000000000-mapping.dmp

Download
memory/3628-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads