nanocore | df54a04599bb3953ffcf067a4308e01dafe8ac2c9064bdd3fbc3a441725a06f2

General

Target
310dfc17f775d5e9180741065e26d968.exe
Size 1.4MB
Sample210713-m2lj77znjs
SHA256 df54a04599bb3953ffcf067a4308e01dafe8ac2c9064bdd3fbc3a441725a06f2
MD5 310dfc17f775d5e9180741065e26d968
SHA1 bd2ae4131ec5d50bde49c8d18438d3d4db7a56b6
SHA512 47d4e97b6b893a4fdb76b8d514621f55e49a00385fa1425df456bf1d1bc77486c22591be1dafc1cd5d162367029c2e766b77806a40362829df4bbf9fe9891a93
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

wekeepworking.sytes.net:83
wekeepworking12.sytes.net:83

Mutex

4b81aa30-25dd-4ecd-9d49-787262961dd8

Attributes

activate_away_mode
true
backup_connection_host
wekeepworking12.sytes.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-03-30T09:25:44.489554736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
83
default_group
GRACE FOREVER
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
4b81aa30-25dd-4ecd-9d49-787262961dd8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
wekeepworking.sytes.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3036 set thread context of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81

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

pid	Process
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3036	310dfc17f775d5e9180741065e26d968.exe
3288	RegSvcs.exe
3288	RegSvcs.exe
3288	RegSvcs.exe
3288	RegSvcs.exe
3288	RegSvcs.exe
3288	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3288	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	310dfc17f775d5e9180741065e26d968.exe
Token: SeDebugPrivilege	3288	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2712	3036	310dfc17f775d5e9180741065e26d968.exe	79
PID 3036 wrote to memory of 2712	3036	310dfc17f775d5e9180741065e26d968.exe	79
PID 3036 wrote to memory of 2712	3036	310dfc17f775d5e9180741065e26d968.exe	79
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81
PID 3036 wrote to memory of 3288	3036	310dfc17f775d5e9180741065e26d968.exe	81

C:\Users\Admin\AppData\Local\Temp\310dfc17f775d5e9180741065e26d968.exe
"C:\Users\Admin\AppData\Local\Temp\310dfc17f775d5e9180741065e26d968.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hOVNBQBqKmjP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBEE1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2712
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3288

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

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Downloads

memory/3036-114-0x0000000002860000-0x0000000002861000-memory.dmp

Download

memory/3036-115-0x0000000002861000-0x0000000002862000-memory.dmp

Download

memory/3288-118-0x0000000000400000-0x000000000048C000-memory.dmp

Download

memory/3288-121-0x0000000002891000-0x0000000002892000-memory.dmp

Download

memory/3288-120-0x0000000002890000-0x0000000002891000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads