nanocore | cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5

General

Target

cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe
Size

362KB
MD5

73c1e0c257a0309033b7237d2986b980
SHA1

24dac76d2da48683aab0549c49c6b4d10b50ca23
SHA256

cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5
SHA512

e60b20bfa7ab778f3d2d5e454f88b373b0f457f5d1f25541420ed750c4d64016c0547c3a0065708f5590a6e3754e69a0d31661fc43d0b4e3e02b645b2f8e9678
SSDEEP

6144:04u8Lx5ggJec3PZEemlbtPsuh2eOBlf1J9ZcDCVmUoWlIxfT9Tl:04u8d5gKec/ZVmZVV2e2vCWVTHo

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u870797.nvpn.to:3119

Mutex

f813c4e2-fc76-409a-b46f-571ed35f6a5f

Attributes

activate_away_mode
true
backup_connection_host
u870797.nvpn.to
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-29T11:52:57.396056536Z
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
3119
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
f813c4e2-fc76-409a-b46f-571ed35f6a5f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
u870797.nvpn.to
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
Nanocore family
nanocore

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2708	schtasks.exe
372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe
2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe
2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2708	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	31
PID 2884 wrote to memory of 2708	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	31
PID 2884 wrote to memory of 2708	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	31
PID 2884 wrote to memory of 2708	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	31
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2884 wrote to memory of 2420	2884	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	33
PID 2420 wrote to memory of 372	2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	34
PID 2420 wrote to memory of 372	2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	34
PID 2420 wrote to memory of 372	2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	34
PID 2420 wrote to memory of 372	2420	cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe	34

C:\Users\Admin\AppData\Local\Temp\cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe
"C:\Users\Admin\AppData\Local\Temp\cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wooVhqIljofc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE83D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\cdd0bfe0e4da075b1fe8ccea622e7577cb4188c095342ca3b8c59ce8350479f5N.exe
  "{path}"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEA01.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE83D.tmp

Filesize
1KB

MD5
91a4b580140920c7a08af0f36c15318b

SHA1
112e003b6e6252ebe3897b5c4699b33eebb160ab

SHA256
4f4d1298d1b197e76f3e7e9838be078574b78c1b45ba198d7dc5db22e8129feb

SHA512
c4c4305f19732103c4063553ba43a6bcf0d484d24eb801637eedc635ffc4b2879a9f7ecd3a1c52d75716fb2944a409964cb6a67097b9318c9de257118ccd06f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEA01.tmp

Filesize
1KB

MD5
b6c251ebdc4b7b0ad8f004aab8199cf9

SHA1
3dd4c9dfd7b75db915759c6eda6b2ef625b0907d

SHA256
e23352ebf6fd04ef03941be4241112bcd2314e2109ddd6749db04dcec9c999c4

SHA512
2facea6791420ffe508ec2a5883639f6a749ffd1cda2b6f4056b90921cbcbd25b364c39bf6d2477ad6f0dc1cf5058be953c076fedc36d3c01fa4a8f63f18800a

Download Submit
memory/2420-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2420-37-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2420-36-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-35-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/2420-34-0x0000000000480000-0x000000000049E000-memory.dmp

Filesize
120KB

Download
memory/2420-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2420-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2420-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2420-28-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-33-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2420-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2420-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2420-27-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-3-0x00000000003A0000-0x00000000003B0000-memory.dmp

Filesize
64KB

Download
memory/2884-0-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2884-1-0x0000000000DA0000-0x0000000000E00000-memory.dmp

Filesize
384KB

Download
memory/2884-4-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2884-2-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-6-0x0000000000B10000-0x0000000000B50000-memory.dmp

Filesize
256KB

Download
memory/2884-5-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-26-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads