nanocore | 21281c48dd7beeb19d22aef27f4d77f79c550fc32acc69d4c3b91966cc8a048b

General

Target

SecuriteInfo.com.Trojan.Olock.1.12577.exe
Size

619KB
MD5

f335a0ae9553c9acbee866d8990ee9e1
SHA1

ce0a21956e2c565e2e332a10f9c2b3346f8cf9b4
SHA256

21281c48dd7beeb19d22aef27f4d77f79c550fc32acc69d4c3b91966cc8a048b
SHA512

61148e48009d7c3e9d9c3b061008a916020c613b4a6c753140257c5f30f5e5869ab1523818d535d56e5836b3d7f4c52d11970ec0ecb7ca6a67a9adb53ef14a8d

Score

10^/10

nanocore evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

config.linkpc.net:3425

Mutex

e5ec3588-c148-476e-a8f8-2e9038dcba4d

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2022-04-01T12:01:12.053123736Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3425
default_group
Default
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
e5ec3588-c148-476e-a8f8-2e9038dcba4d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
config.linkpc.net
primary_dns_server
config.linkpc.net
request_elevation
true
restart_delay
5000
run_delay
15
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

SecuriteInfo.com.Trojan.Olock.1.12577.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SecuriteInfo.com.Trojan.Olock.1.12577.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Trojan.Olock.1.12577.exe

description	pid	process	target process
PID 1100 set thread context of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1984 schtasks.exe
536 schtasks.exe

pid	process
1984	schtasks.exe
536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

SecuriteInfo.com.Trojan.Olock.1.12577.exepowershell.exeSecuriteInfo.com.Trojan.Olock.1.12577.exe

pid	process
1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe
1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe
2032	powershell.exe
1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe
1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe
1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe
1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

SecuriteInfo.com.Trojan.Olock.1.12577.exe

pid process

1884 SecuriteInfo.com.Trojan.Olock.1.12577.exe

pid	process
1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.Trojan.Olock.1.12577.exepowershell.exeSecuriteInfo.com.Trojan.Olock.1.12577.exe

description	pid	process
Token: SeDebugPrivilege	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe
Token: SeDebugPrivilege	2032	powershell.exe
Token: SeDebugPrivilege	1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

SecuriteInfo.com.Trojan.Olock.1.12577.exeSecuriteInfo.com.Trojan.Olock.1.12577.exe

description	pid	process	target process
PID 1100 wrote to memory of 2032	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	powershell.exe
PID 1100 wrote to memory of 2032	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	powershell.exe
PID 1100 wrote to memory of 2032	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	powershell.exe
PID 1100 wrote to memory of 2032	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	powershell.exe
PID 1100 wrote to memory of 1984	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe
PID 1100 wrote to memory of 1984	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe
PID 1100 wrote to memory of 1984	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe
PID 1100 wrote to memory of 1984	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1100 wrote to memory of 1884	1100	SecuriteInfo.com.Trojan.Olock.1.12577.exe	SecuriteInfo.com.Trojan.Olock.1.12577.exe
PID 1884 wrote to memory of 536	1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe
PID 1884 wrote to memory of 536	1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe
PID 1884 wrote to memory of 536	1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe
PID 1884 wrote to memory of 536	1884	SecuriteInfo.com.Trojan.Olock.1.12577.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.12577.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.12577.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jSJiBOvzra.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jSJiBOvzra" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF13.tmp"
2⤵
- Creates scheduled task(s)
PID:1984

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.12577.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.12577.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD5D6.tmp"
3⤵
- Creates scheduled task(s)
PID:536

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCF13.tmp
Filesize
1KB

MD5
d697934158fa2f8874bdb6a1277e54aa

SHA1
2fa7b13671711e5ec91f725f0b74d6e16cea46ee

SHA256
48bbadc12c591a9b1e4c4c788ae9d20ee949c2a5fc208986ada260cd1e890223

SHA512
fe2b29f0534de60b4dd029a79c58ee657fe65412d0859eb2b1fc0db17658910b94a4ba6247f24429e815e7500d25fdc86b305c81b83d74b089ee938b585230ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD5D6.tmp
Filesize
1KB

MD5
a2eae455df5420cb1005fa3c74610f83

SHA1
e19612b890f43f1757a3fb6ab38276a6d054b920

SHA256
7f664882b19cfc9e1e59a1b99b8a433ebbc1b867f167ee1de4ed4bc9fded0bb9

SHA512
086e116a75c59209b1b6cbe20b25c86b87e6b04a81c088cea8f5b4fb5708ad55687974d8b408bfaa188979842c91a00cb31166d32cec2d60d3c9ffe79e275bae

Download Submit
memory/536-77-0x0000000000000000-mapping.dmp

Download
memory/1100-55-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1100-56-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/1100-57-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/1100-58-0x0000000004FC0000-0x0000000005032000-memory.dmp

Filesize
456KB

Download
memory/1100-54-0x0000000000D50000-0x0000000000DF0000-memory.dmp

Filesize
640KB

Download
memory/1100-63-0x0000000004CF0000-0x0000000004D2A000-memory.dmp

Filesize
232KB

Download
memory/1884-87-0x00000000008C0000-0x00000000008D2000-memory.dmp

Filesize
72KB

Download
memory/1884-82-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/1884-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1884-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1884-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1884-71-0x000000000041E792-mapping.dmp

Download
memory/1884-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1884-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1884-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1884-95-0x0000000000A00000-0x0000000000A14000-memory.dmp

Filesize
80KB

Download
memory/1884-94-0x0000000002230000-0x000000000225E000-memory.dmp

Filesize
184KB

Download
memory/1884-80-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/1884-81-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/1884-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1884-93-0x00000000009E0000-0x00000000009EE000-memory.dmp

Filesize
56KB

Download
memory/1884-84-0x00000000005A0000-0x00000000005B2000-memory.dmp

Filesize
72KB

Download
memory/1884-85-0x0000000000630000-0x000000000064A000-memory.dmp

Filesize
104KB

Download
memory/1884-86-0x00000000008A0000-0x00000000008AE000-memory.dmp

Filesize
56KB

Download
memory/1884-92-0x00000000009D0000-0x00000000009E4000-memory.dmp

Filesize
80KB

Download
memory/1884-88-0x0000000000910000-0x000000000091C000-memory.dmp

Filesize
48KB

Download
memory/1884-89-0x0000000000920000-0x000000000092E000-memory.dmp

Filesize
56KB

Download
memory/1884-90-0x0000000000930000-0x0000000000944000-memory.dmp

Filesize
80KB

Download
memory/1884-91-0x0000000000980000-0x0000000000990000-memory.dmp

Filesize
64KB

Download
memory/1984-60-0x0000000000000000-mapping.dmp

Download
memory/2032-59-0x0000000000000000-mapping.dmp

Download
memory/2032-83-0x000000006E410000-0x000000006E9BB000-memory.dmp

Filesize
5.7MB

Download
memory/2032-78-0x000000006E410000-0x000000006E9BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads