nanocore | eb2a3eddf72cab4dbef0fc06d7ac1127e32886e69ac31b55914f3a54e66acf0c

General

Target

DHL_2121015942.exe
Size

347KB
MD5

8c0f3c54e2be6e84754ced425b5bb02c
SHA1

a37dbfa45e3a1dfa58043392ed5aa729e56aca48
SHA256

ba0536cff91cb39fd668774ce979c0d75a80c525befdc30ac2556755b9a66fd3
SHA512

d4754286e013fd422357dbfdff3b08f998517379abb6f7993e3a3e0650518514ffddf09cc0b0b0c960dcb4b9fad13186e27a7d9561ecbf0ebc3ec89c85ce50c6

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.30.139:2121

annapro55.ddns.net:2121

Mutex

912d38da-67db-490c-9c4c-4b7c843ca9fd

Attributes

activate_away_mode
true
backup_connection_host
annapro55.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-27T00:27:31.421536436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2121
default_group
NEW CLIENTS
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
912d38da-67db-490c-9c4c-4b7c843ca9fd
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.244.30.139
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:

DHL_2121015942.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	DHL_2121015942.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL_2121015942.exe

description pid process target process

PID 320 set thread context of 520 320 DHL_2121015942.exe MSBuild.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

2364 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

MSBuild.exe

pid process

520 MSBuild.exe
520 MSBuild.exe
520 MSBuild.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

520 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 520 MSBuild.exe

description	pid	process	target process
PID 320 set thread context of 520	320	DHL_2121015942.exe	MSBuild.exe

pid	process
2364	schtasks.exe

pid	process
520	MSBuild.exe
520	MSBuild.exe
520	MSBuild.exe

pid	process
520	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	520	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

DHL_2121015942.exe

description	pid	process	target process
PID 320 wrote to memory of 2364	320	DHL_2121015942.exe	schtasks.exe
PID 320 wrote to memory of 2364	320	DHL_2121015942.exe	schtasks.exe
PID 320 wrote to memory of 2364	320	DHL_2121015942.exe	schtasks.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe
PID 320 wrote to memory of 520	320	DHL_2121015942.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\DHL_2121015942.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_2121015942.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:320
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vsUsOgWV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CFB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2364
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:520

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2CFB.tmp

Filesize
1KB

MD5
450a91eab697431f73c7ce0fb06ab846

SHA1
bb80ab861f83183ba07653b5b6c1e7fcbbbc0f25

SHA256
4240f028324a7f3cdc9da655ba7ce0b7f45e333e655a443f1c4c703a2e32ab25

SHA512
b799980343fd1a6775aa4d3c28334d45cdebd785017283e9c82535f6f6048190f80511f503909824ab7e0e70351476b50a242f6fb5dfff4498cb0154f09b29b3

Download Submit
memory/320-130-0x0000000000F30000-0x0000000000F8E000-memory.dmp

Filesize
376KB

Download
memory/320-131-0x0000000005960000-0x00000000059FC000-memory.dmp

Filesize
624KB

Download
memory/320-132-0x0000000005CF0000-0x0000000005D82000-memory.dmp

Filesize
584KB

Download
memory/320-133-0x0000000006690000-0x0000000006C34000-memory.dmp

Filesize
5.6MB

Download
memory/520-136-0x0000000000000000-mapping.dmp

Download
memory/520-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/520-138-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/2364-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads