nanocore | 4682c806dd41aaccbb4f8bf3ead4fd322c302f334e3edc6dc06292bbd32335a0

General

Target
4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe
Size 370KB
Sample220320-3y1flaggeq
SHA256 4682c806dd41aaccbb4f8bf3ead4fd322c302f334e3edc6dc06292bbd32335a0
MD5 678852877f562dde93195d84dbfc4623
SHA1 0160db5e53ae2f0d424630e221dfa0d85432db0c
SHA512 598b8255eab42b92980c7afabf66e691c31702247bb1f9c0e8bef17947d048980a34644b20ac7cbad13f52bf64984d002171d015a819ce1bcb14b7869120a314
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

184.75.223.235:3782

Mutex

7a62c7a6-d9b9-4418-b464-d52f43634a73

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-09-11T01:17:42.001186636Z
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
3782
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
7a62c7a6-d9b9-4418-b464-d52f43634a73
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
184.75.223.235
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Loads dropped DLL 1 IoCs

pid	Process
228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 228 set thread context of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1584	3688	WerFault.exe	91
2904	3688	WerFault.exe	91

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 228 wrote to memory of 3688	228	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	91
PID 3688 wrote to memory of 1584	3688	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	93
PID 3688 wrote to memory of 1584	3688	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	93
PID 3688 wrote to memory of 1584	3688	4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe	93

C:\Users\Admin\AppData\Local\Temp\4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe
"C:\Users\Admin\AppData\Local\Temp\4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:228
- C:\Users\Admin\AppData\Local\Temp\4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe
  "C:\Users\Admin\AppData\Local\Temp\4682C806DD41AACCBB4F8BF3EAD4FD322C302F334E3ED.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 436
    3⤵
    - Program crash
    PID:1584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 436
    3⤵
    - Program crash
    PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3688 -ip 3688
1⤵
PID:400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/228-135-0x0000000010000000-0x000000001002A000-memory.dmp

Download

memory/3688-136-0x0000000000400000-0x000000000044A000-memory.dmp

Download

memory/3688-137-0x0000000000400000-0x000000000044A000-memory.dmp

Download

memory/3688-138-0x0000000000400000-0x000000000044A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads