nanocore | 2a6a175d59e4c5c69eb490f20296a26ea53d59eb6580b3b34dfa1d2c4f717e76

General

Target
DRT PO NUMBER FIS22050413.exe
Size 171KB
Sample220504-ss15tsghdl
SHA256 2a6a175d59e4c5c69eb490f20296a26ea53d59eb6580b3b34dfa1d2c4f717e76
MD5 e3eae4685ea0f7452ffb904163fd72e1
SHA1 287691d48ffec8edf8e805a3ae52b69ca3a9a069
SHA512 783033440bd4d84c5b02bd9cf339d28df2d8b3fd32fb55add4152412c664c2d91e770631d0fd1c971f42c29c20b421a5ed5299f41ffec92123cd19a1882e95a6
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

62.197.136.237:55688

Mutex

62c5b317-7ed8-48d0-825e-1290332c9ddf

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-02-13T10:18:19.479746936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
55688
default_group
User22
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
62c5b317-7ed8-48d0-825e-1290332c9ddf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
62.197.136.237
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dreqzc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ggbgso\\Dreqzc.exe\""	DRT PO NUMBER FIS22050413.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 4784	4724	DRT PO NUMBER FIS22050413.exe	92

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4724	DRT PO NUMBER FIS22050413.exe
4724	DRT PO NUMBER FIS22050413.exe
4724	DRT PO NUMBER FIS22050413.exe
4724	DRT PO NUMBER FIS22050413.exe
4724	DRT PO NUMBER FIS22050413.exe
4724	DRT PO NUMBER FIS22050413.exe
4784	InstallUtil.exe
4784	InstallUtil.exe
4784	InstallUtil.exe
4784	InstallUtil.exe
4784	InstallUtil.exe
4784	InstallUtil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4784	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4724	DRT PO NUMBER FIS22050413.exe
Token: SeDebugPrivilege	4784	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 2056	4724	DRT PO NUMBER FIS22050413.exe	91
PID 4724 wrote to memory of 2056	4724	DRT PO NUMBER FIS22050413.exe	91
PID 4724 wrote to memory of 2056	4724	DRT PO NUMBER FIS22050413.exe	91
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92
PID 4724 wrote to memory of 4784	4724	DRT PO NUMBER FIS22050413.exe	92

C:\Users\Admin\AppData\Local\Temp\DRT PO NUMBER FIS22050413.exe
"C:\Users\Admin\AppData\Local\Temp\DRT PO NUMBER FIS22050413.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:2056
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4724-130-0x0000000000130000-0x0000000000160000-memory.dmp

Download

memory/4724-131-0x0000000004F70000-0x0000000005514000-memory.dmp

Download

memory/4724-132-0x00000000049C0000-0x0000000004A52000-memory.dmp

Download

memory/4724-133-0x0000000004A80000-0x0000000004A8A000-memory.dmp

Download

memory/4784-136-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/4784-137-0x0000000005690000-0x000000000572C000-memory.dmp

Download

memory/4784-138-0x0000000006D70000-0x0000000006DD6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads